diff options
author | Tom Tromey <tromey@redhat.com> | 2001-07-23 20:01:29 +0000 |
---|---|---|
committer | Tom Tromey <tromey@gcc.gnu.org> | 2001-07-23 20:01:29 +0000 |
commit | e109d16f8c56fa61f9b4c15a2426ad07ac88cbd6 (patch) | |
tree | b78c8d040343fe28feb343232f40dc3553894b9e /libjava/java | |
parent | 57de7530c4c6d768559b39634fadf5bf27475359 (diff) | |
download | gcc-e109d16f8c56fa61f9b4c15a2426ad07ac88cbd6.zip gcc-e109d16f8c56fa61f9b4c15a2426ad07ac88cbd6.tar.gz gcc-e109d16f8c56fa61f9b4c15a2426ad07ac88cbd6.tar.bz2 |
javaprims.h: Rebuilt class list.
* gcj/javaprims.h: Rebuilt class list.
* Makefile.in: Rebuilt.
* Makefile.am (core_java_source_files): Added VMClassLoader.
* java/lang/VMClassLoader.java: New file.
* java/lang/Boolean.java: Merged with Classpath.
* java/lang/Byte.java: Merged with Classpath.
* java/lang/Integer.java: Merged with Classpath.
* java/lang/Long.java: Merged with Classpath.
* java/lang/Number.java: Merged with Classpath.
* java/lang/Short.java: Merged with Classpath.
From-SVN: r44274
Diffstat (limited to 'libjava/java')
-rw-r--r-- | libjava/java/lang/Boolean.java | 255 | ||||
-rw-r--r-- | libjava/java/lang/Byte.java | 303 | ||||
-rw-r--r-- | libjava/java/lang/Integer.java | 607 | ||||
-rw-r--r-- | libjava/java/lang/Long.java | 652 | ||||
-rw-r--r-- | libjava/java/lang/Number.java | 86 | ||||
-rw-r--r-- | libjava/java/lang/Short.java | 299 | ||||
-rw-r--r-- | libjava/java/lang/VMClassLoader.java | 85 |
7 files changed, 1640 insertions, 647 deletions
diff --git a/libjava/java/lang/Boolean.java b/libjava/java/lang/Boolean.java index 027fd24..91edeb9 100644 --- a/libjava/java/lang/Boolean.java +++ b/libjava/java/lang/Boolean.java @@ -1,100 +1,177 @@ -/* Copyright (C) 1998, 1999, 2000 Free Software Foundation +/* Boolean.java -- object wrapper for boolean + Copyright (C) 1998, 2001 Free Software Foundation, Inc. - This file is part of libgcj. +This file is part of GNU Classpath. -This software is copyrighted work licensed under the terms of the -Libgcj License. Please consult the file "LIBGCJ_LICENSE" for -details. */ +GNU Classpath is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2, or (at your option) +any later version. +GNU Classpath is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +General Public License for more details. + +You should have received a copy of the GNU General Public License +along with GNU Classpath; see the file COPYING. If not, write to the +Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA +02111-1307 USA. + +As a special exception, if you link this library with other files to +produce an executable, this library does not by itself cause the +resulting executable to be covered by the GNU General Public License. +This exception does not however invalidate any other reasons why the +executable file might be covered by the GNU General Public License. */ + + package java.lang; import java.io.Serializable; - + /** - * @author Warren Levy <warrenl@cygnus.com> - * @date September 3, 1998. - */ -/* Written using "Java Class Libraries", 2nd edition, ISBN 0-201-31002-3 - * "The Java Language Specification", ISBN 0-201-63451-1 - * plus online API docs for JDK 1.2 beta from http://www.javasoft.com. - * Status: Believed complete and correct. - */ - -public final class Boolean extends Object implements Serializable + * Instances of class <code>Boolean</code> represent primitive + * <code>boolean</code> values. + * + * @author Paul Fisher + * @since JDK1.0 + */ +public final class Boolean implements Serializable { - public static final Boolean FALSE = new Boolean(false); - public static final Boolean TRUE = new Boolean(true); - - // This initialization is seemingly circular, but it is accepted - // by javac, and is handled specially by gcc. - public static final Class TYPE = boolean.class; - - /* The boolean value of the instance. */ - private boolean value; - - private static final long serialVersionUID = -3665804199014368530L; - - public Boolean(boolean boolVal) - { - value = boolVal; - } - - public Boolean(String strVal) - { - value = (strVal == null ? false : strVal.equalsIgnoreCase("true")); - } - - public boolean booleanValue() - { - return value; - } - - public boolean equals(Object obj) - { - /* Don't need to compare obj to null as instanceof will do this. */ - if (obj instanceof Boolean) - return value == ((Boolean) obj).value; - return false; - } - - public static boolean getBoolean(String property) - { - /* TBD: If a security manager exists and it doesn't permit accessing - * the property, it will throw an exception. Should we catch it? + static final long serialVersionUID = -3665804199014368530L; + + /** + * This field is a <code>Boolean</code> object representing the + * primitive value <code>true</code>. This instance is returned + * by the static <code>valueOf()</code> methods if they return + * a <code>Boolean</code> representing <code>true</code>. + */ + public static final Boolean TRUE = new Boolean(true); + + /** + * This field is a <code>Boolean</code> object representing the + * primitive value <code>false</code>. This instance is returned + * by the static <code>valueOf()</code> methods if they return + * a <code>Boolean</code> representing <code>false</code>. + */ + public static final Boolean FALSE = new Boolean(false); + + /** + * The primitive type <code>boolean</code> is represented by this + * <code>Class</code> object. + */ + public static final Class TYPE = VMClassLoader.getPrimitiveClass("boolean"); + + /** + * The immutable value of this Boolean. + */ + private final boolean value; + + /** + * Create a <code>Boolean</code> object representing the value of the + * argument <code>value</code>. In general the use of the static + * method <code>valueof(boolean)</code> is more efficient since it will + * not create a new object. + * + * @param value the primitive value of this <code>Boolean</code> + */ + public Boolean(boolean value) { + this.value = value; + } + + /** + * Creates a <code>Boolean</code> object representing the primitive + * <code>true</code> if and only if <code>s</code> matches + * the string "true" ignoring case, otherwise the object will represent + * the primitive <code>false</code>. In general the use of the static + * method <code>valueof(String)</code> is more efficient since it will + * not create a new object. + * + * @param s the <code>String</code> representation of <code>true</code> + * or false */ - try - { - String val = System.getProperty(property); - return val == null ? false : val.equalsIgnoreCase("true"); - } - catch (SecurityException e) - { - return false; - } - } - - public int hashCode() - { - /* These values are from the Java Lang. Spec. (Sec 20.4.7). - * TBD: They could be made private static final fields but they're only - * used here (and shouldn't be used anywhere else), though it might be - * useful to grep on something like JAVA_HASH_* values for us as - * developers. + public Boolean(String s) { + value = "true".equalsIgnoreCase(s); + } + + /** + * Return the primitive <code>boolean</code> value of this + * <code>Boolean</code> object. + */ + public boolean booleanValue() { + return value; + } + + /** + * Returns the Boolean <code>TRUE</code> if the given boolean is + * <code>true</code>, otherwise it will return the Boolean + * <code>FALSE</code>. + * + * @since 1.4 + */ + public static Boolean valueOf(boolean b) { + return b ? TRUE : FALSE; + } + + /** + * Returns the Boolean <code>TRUE</code> if and only if the given + * String is equal, ignoring case, to the the String "true", otherwise + * it will return the Boolean <code>FALSE</code>. + */ + public static Boolean valueOf(String s) { + return "true".equalsIgnoreCase(s) ? TRUE : FALSE; + } + + /** + * Returns the integer <code>1231</code> if this object represents + * the primitive <code>true</code> and the integer <code>1237</code> + * otherwise. + */ + public int hashCode() { + return (value) ? 1231 : 1237; + } + + /** + * If the <code>obj</code> is an instance of <code>Boolean</code> and + * has the same primitive value as this object then <code>true</code> + * is returned. In all other cases, including if the <code>obj</code> + * is <code>null</code>, <code>false</code> is returned. + * + * @param obj possibly an instance of any <code>Class</code> + * @return <code>false</code> is <code>obj</code> is an instance of + * <code>Boolean</code> and has the same primitive value as this + * object. + */ + public boolean equals(Object obj) { + return (obj instanceof Boolean && value == ((Boolean)obj).value); + } + + /** + * If the value of the system property <code>name</code> matches + * "true" ignoring case then the function returns <code>true</code>. + */ + public static boolean getBoolean(String name) { + String val = System.getProperty(name); + return ("true".equalsIgnoreCase(val)); + } + + /** + * Returns "true" if the value of the give boolean is <code>true</code> and + * returns "false" if the value of the given boolean is <code>false</code>. + * + * @since 1.4 + */ + public static String toString(boolean b) + { + return b ? "true" : "false"; + } + + /** + * Returns "true" if the value of this object is <code>true</code> and + * returns "false" if the value of this object is <code>false</code>. */ - return value ? 1231 : 1237; - } - - public String toString() - { - return value ? "true" : "false"; - } - - public static Boolean valueOf(String str) - { - if (str == null) - return FALSE; - else - /* This returns a Boolean (big B), not a boolean (little b). */ - return str.equalsIgnoreCase("true") ? TRUE : FALSE; - } + public String toString() + { + return (value) ? "true" : "false"; + } } diff --git a/libjava/java/lang/Byte.java b/libjava/java/lang/Byte.java index 347e252..964e073 100644 --- a/libjava/java/lang/Byte.java +++ b/libjava/java/lang/Byte.java @@ -1,88 +1,193 @@ -/* Copyright (C) 1998, 1999, 2000, 2001 Free Software Foundation +/* Byte.java -- object wrapper for byte + Copyright (C) 1998, 2001 Free Software Foundation, Inc. - This file is part of libgcj. +This file is part of GNU Classpath. + +GNU Classpath is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2, or (at your option) +any later version. + +GNU Classpath is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +General Public License for more details. + +You should have received a copy of the GNU General Public License +along with GNU Classpath; see the file COPYING. If not, write to the +Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA +02111-1307 USA. + +As a special exception, if you link this library with other files to +produce an executable, this library does not by itself cause the +resulting executable to be covered by the GNU General Public License. +This exception does not however invalidate any other reasons why the +executable file might be covered by the GNU General Public License. */ -This software is copyrighted work licensed under the terms of the -Libgcj License. Please consult the file "LIBGCJ_LICENSE" for -details. */ package java.lang; /** - * @author Per Bothner <bothner@cygnus.com> - * @date April 17, 1998. + * Instances of class <code>Byte</code> represent primitive <code>byte</code> + * values. + * + * Additionally, this class provides various helper functions and variables + * useful to bytes. + * + * @author Paul Fisher + * @author John Keiser + * @author Per Bothner + * @since JDK 1.0 */ -/* Written using "Java Class Libraries", 2nd edition, plus online - * API docs for JDK 1.2 beta from http://www.javasoft.com. - * Status: Believed complete and correct. - * Includes JDK 1.2 methods. - */ - -public final class Byte extends Number implements Comparable +public final class Byte extends Number implements Comparable { - byte value; + static final long serialVersionUID = -7183698231559129828L; - public final static byte MIN_VALUE = -128; - public final static byte MAX_VALUE = 127; + /** + * The minimum value a <code>byte</code> can represent is -128. + */ + public static final byte MIN_VALUE = -128; - // This initialization is seemingly circular, but it is accepted - // by javac, and is handled specially by gcc. - public static final Class TYPE = byte.class; + /** + * The maximum value a <code>byte</code> can represent is 127. + */ + public static final byte MAX_VALUE = 127; - private static final long serialVersionUID = -7183698231559129828L; + /** + * The primitive type <code>byte</code> is represented by this + * <code>Class</code> object. + */ + public static final Class TYPE = VMClassLoader.getPrimitiveClass("byte"); - public Byte(byte value) + /** + * The immutable value of this Byte. + */ + private final byte value; + + /** + * Create a <code>Byte</code> object representing the value of the + * <code>byte</code> argument. + * + * @param value the value to use + */ + public Byte(byte value) { this.value = value; } - public Byte(String str) - throws NumberFormatException + /** + * Create a <code>Byte</code> object representing the value specified + * by the <code>String</code> argument. + * + * @param s the string to convert. + */ + public Byte(String s) throws NumberFormatException { - this.value = parseByte(str, 10); + value = parseByte(s, 10); } - public byte byteValue() + /** + * Return a hashcode representing this Object. + * + * <code>Byte</code>'s hash code is calculated by simply returning its + * value. + * + * @return this Object's hash code. + */ + public int hashCode() { return value; } - public short shortValue() + /** + * Returns <code>true</code> if <code>obj</code> is an instance of + * <code>Byte</code> and represents the same byte value. + * @return whether these Objects are semantically equal. + */ + public boolean equals(Object obj) { - return value; + return ((obj instanceof Byte) && (value == ((Byte)obj).byteValue())); } - public int intValue() + /** + * Converts the <code>byte</code> to a <code>String</code> and assumes + * a radix of 10. + * @param i the <code>byte</code> to convert to <code>String</code> + * @return the <code>String</code> representation of the argument. + */ + public static String toString(byte i) { - return value; + return Integer.toString ((int) i); } - public long longValue () + /** + * Converts the <code>Byte</code> value to a <code>String</code> and + * assumes a radix of 10. + * @return the <code>String</code> representation of this <code>Byte</code>. + */ + public String toString() { - return value; + return Integer.toString ((int) value); } - - public float floatValue () + + /** + * Creates a new <code>Byte</code> object using the <code>String</code>, + * assuming a radix of 10. + * @param s the <code>String</code> to convert. + * @return the new <code>Byte</code>. + * @see #Byte(java.lang.String) + * @see #parseByte(java.lang.String) + * @exception NumberFormatException thrown if the <code>String</code> + * cannot be parsed as a <code>byte</code>. + */ + public static Byte valueOf(String s) throws NumberFormatException { - return (float) value; + return new Byte(parseByte(s)); } - public double doubleValue () + /** + * Creates a new <code>Byte</code> object using the <code>String</code> + * and specified radix (base). + * @param s the <code>String</code> to convert. + * @param radix the radix (base) to convert with. + * @return the new <code>Byte</code>. + * @see #parseByte(java.lang.String,int) + * @exception NumberFormatException thrown if the <code>String</code> + * cannot be parsed as a <code>byte</code>. + */ + public static Byte valueOf(String s, int radix) + throws NumberFormatException { - return (double) value; + return new Byte(parseByte(s, radix)); } - public static Byte decode(String str) - throws NumberFormatException + /** + * Converts the specified <code>String</code> into a <code>byte</code>. + * This function assumes a radix of 10. + * + * @param s the <code>String</code> to convert + * @return the <code>byte</code> value of the <code>String</code> + * argument. + * @exception NumberFormatException thrown if the <code>String</code> + * cannot be parsed as a <code>byte</code>. + */ + public static byte parseByte(String s) throws NumberFormatException { - int i = (Integer.decode(str)).intValue(); - if (i < MIN_VALUE || i > MAX_VALUE) - throw new NumberFormatException(); - return new Byte((byte) i); + return parseByte(s, 10); } - public static byte parseByte(String str, int radix) - throws NumberFormatException + /** + * Converts the specified <code>String</code> into a <code>byte</code> + * using the specified radix (base). + * + * @param str the <code>String</code> to convert + * @param radix the radix (base) to use in the conversion + * @return the <code>String</code> argument converted to </code>byte</code>. + * @exception NumberFormatException thrown if the <code>String</code> + * cannot be parsed as a <code>byte</code>. + */ + public static byte parseByte(String str, int radix) + throws NumberFormatException { int i = Integer.parseInt(str, radix); if (i < MIN_VALUE || i > MAX_VALUE) @@ -90,55 +195,109 @@ public final class Byte extends Number implements Comparable return (byte) i; } - public static byte parseByte(String str) - throws NumberFormatException + /** + * Convert the specified <code>String</code> into a <code>Byte</code>. + * The <code>String</code> may represent decimal, hexadecimal, or + * octal numbers. + * + * The <code>String</code> argument is interpreted based on the leading + * characters. Depending on what the String begins with, the base will be + * interpreted differently: + * + * <table> + * <tr><th>Leading<br>Characters</th><th>Base</th></tr> + * <tr><td>#</td><td>16</td></tr> + * <tr><td>0x</td><td>16</td></tr> + * <tr><td>0X</td><td>16</td></tr> + * <tr><td>0</td><td>8</td></tr> + * <tr><td>Anything<br>Else</td><td>10</td></tr> + * </table> + * + * @param str the <code>String</code> to interpret. + * @return the value of the String as a <code>Byte</code>. + * @exception NumberFormatException thrown if the <code>String</code> + * cannot be parsed as a <code>byte</code>. + */ + public static Byte decode(String str) throws NumberFormatException { - return parseByte(str, 10); + int i = (Integer.decode(str)).intValue(); + if (i < MIN_VALUE || i > MAX_VALUE) + throw new NumberFormatException(); + return new Byte((byte) i); } - - public static Byte valueOf(String str, int radix) - throws NumberFormatException + + /** Return the value of this <code>Byte</code> as an <code>short</code>. + ** @return the value of this <code>Byte</code> as an <code>short</code>. + **/ + public byte byteValue() { - return new Byte(parseByte(str, radix)); + return value; } - public static Byte valueOf(String str) - throws NumberFormatException + /** Return the value of this <code>Byte</code> as an <code>short</code>. + ** @return the value of this <code>Byte</code> as an <code>short</code>. + **/ + public short shortValue() { - return valueOf(str, 10); + return value; } - // Added in JDK 1.2 - public int compareTo(Byte anotherByte) + /** Return the value of this <code>Byte</code> as an <code>int</code>. + ** @return the value of this <code>Byte</code> as an <code>int</code>. + **/ + public int intValue() { - return this.value - anotherByte.value; + return value; } - // Added in JDK 1.2 - /** @throws ClassCastException */ - public int compareTo(Object o) + /** Return the value of this <code>Byte</code> as a <code>long</code>. + ** @return the value of this <code>Byte</code> as a <code>long</code>. + **/ + public long longValue() { - return this.value - ((Byte) o).value; + return value; } - public boolean equals(Object obj) + /** Return the value of this <code>Byte</code> as a <code>float</code>. + ** @return the value of this <code>Byte</code> as a <code>float</code>. + **/ + public float floatValue() { - return (obj instanceof Byte) && ((Byte)obj).value == value; + return value; } - // Verified that hashCode is returns plain value (see Boolean_1 test). - public int hashCode() + /** Return the value of this <code>Byte</code> as a <code>double</code>. + ** @return the value of this <code>Byte</code> as a <code>double</code>. + **/ + public double doubleValue() { return value; } - - public String toString() + + /** + * Compare two Bytes numerically by comparing their + * <code>byte</code> values. + * @return a positive value if this <code>Byte</code> is greater + * in value than the argument <code>Byte</code>; a negative value + * if this <code>Byte</code> is smaller in value than the argument + * <code>Byte</code>; and <code>0</code>, zero, if this + * <code>Byte</code> is equal in value to the argument + * <code>Byte</code>. + */ + public int compareTo(Byte b) { - return Integer.toString((int) value); + return (int)(value - b.byteValue()); } - - public static String toString(byte value) + + /** + * Behaves like <code>compareTo(java.lang.Byte)</code> unless the Object + * is not a <code>Byte</code>. Then it throws a + * <code>ClassCastException</code>. + * @exception ClassCastException if the argument is not a + * <code>Byte</code>. + */ + public int compareTo(Object o) { - return Integer.toString((int) value); + return compareTo((Byte)o); } } diff --git a/libjava/java/lang/Integer.java b/libjava/java/lang/Integer.java index 9ddfa31..414d93d 100644 --- a/libjava/java/lang/Integer.java +++ b/libjava/java/lang/Integer.java @@ -1,182 +1,368 @@ -/* Copyright (C) 1998, 1999, 2000, 2001 Free Software Foundation +/* java.lang.Integer + Copyright (C) 1998, 1999, 2001 Free Software Foundation, Inc. - This file is part of libgcj. +This file is part of GNU Classpath. -This software is copyrighted work licensed under the terms of the -Libgcj License. Please consult the file "LIBGCJ_LICENSE" for -details. */ +GNU Classpath is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2, or (at your option) +any later version. +GNU Classpath is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +General Public License for more details. + +You should have received a copy of the GNU General Public License +along with GNU Classpath; see the file COPYING. If not, write to the +Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA +02111-1307 USA. + +As a special exception, if you link this library with other files to +produce an executable, this library does not by itself cause the +resulting executable to be covered by the GNU General Public License. +This exception does not however invalidate any other reasons why the +executable file might be covered by the GNU General Public License. */ + + package java.lang; /** - * @author Warren Levy <warrenl@cygnus.com> - * @date September 11, 1998. + * Instances of class <code>Integer</code> represent primitive + * <code>int</code> values. + * + * Additionally, this class provides various helper functions and variables + * related to ints. + * + * @author Paul Fisher + * @author John Keiser + * @author Warren Levy + * @since JDK 1.0 */ -/* Written using "Java Class Libraries", 2nd edition, ISBN 0-201-31002-3 - * "The Java Language Specification", ISBN 0-201-63451-1 - * plus online API docs for JDK 1.2 beta from http://www.javasoft.com. - * Status: Believed complete and correct. - */ - public final class Integer extends Number implements Comparable { - public static final int MAX_VALUE = 0x7FFFFFFF; - public static final int MIN_VALUE = 0x80000000; - - // This initialization is seemingly circular, but it is accepted - // by javac, and is handled specially by gcc. - public static final Class TYPE = int.class; - - /* The int value of the instance. */ - private int value; - + // compatible with JDK 1.0.2+ private static final long serialVersionUID = 1360826667806852920L; - public Integer(int val) + /** + * The minimum value an <code>int</code> can represent is -2147483648. + */ + public static final int MIN_VALUE = 0x80000000; + + /** + * The maximum value an <code>int</code> can represent is 2147483647. + */ + public static final int MAX_VALUE = 0x7fffffff; + + /** + * The primitive type <code>int</code> is represented by this + * <code>Class</code> object. + */ + public static final Class TYPE = VMClassLoader.getPrimitiveClass ("int"); + + /** + * The immutable value of this Integer. + */ + private final int value; + + /** + * Create an <code>Integer</code> object representing the value of the + * <code>int</code> argument. + * + * @param value the value to use + */ + public Integer(int value) { - value = val; + this.value = value; } - public Integer(String str) throws NumberFormatException + /** + * Create an <code>Integer</code> object representing the value of the + * argument after conversion to an <code>int</code>. + * + * @param s the string to convert. + */ + public Integer(String s) throws NumberFormatException { - value = parseInt(str, 10); + value = parseInt(s, 10); } - public byte byteValue() + /** + * Return a hashcode representing this Object. + * + * <code>Integer</code>'s hash code is calculated by simply returning its + * value. + * + * @return this Object's hash code. + */ + public int hashCode() { - return (byte) value; + return value; } - public double doubleValue() + /** + * If the <code>Object</code> is not <code>null</code>, is an + * <code>instanceof</code> <code>Integer</code>, and represents + * the same primitive <code>int</code> value return + * <code>true</code>. Otherwise <code>false</code> is returned. + */ + public boolean equals(Object obj) { - return (double) value; + return obj instanceof Integer && value == ((Integer)obj).value; } - public float floatValue() + /** + * Get the specified system property as an <code>Integer</code>. + * + * The <code>decode()</code> method will be used to interpret the value of + * the property. + * @param nm the name of the system property + * @return the system property as an <code>Integer</code>, or + * <code>null</code> if the property is not found or cannot be + * decoded as an <code>Integer</code>. + * @see java.lang.System#getProperty(java.lang.String) + * @see #decode(int) + */ + public static Integer getInteger(String nm) { - return (float) value; + return getInteger(nm, null); } - public int intValue() + /** + * Get the specified system property as an <code>Integer</code>, or use a + * default <code>int</code> value if the property is not found or is not + * decodable. + * + * The <code>decode()</code> method will be used to interpret the value of + * the property. + * + * @param nm the name of the system property + * @param val the default value to use if the property is not found or not + * a number. + * @return the system property as an <code>Integer</code>, or the default + * value if the property is not found or cannot be decoded as an + * <code>Integer</code>. + * @see java.lang.System#getProperty(java.lang.String) + * @see #decode(int) + * @see #getInteger(java.lang.String,java.lang.Integer) + */ + public static Integer getInteger(String nm, int val) { - return value; + Integer result = getInteger(nm, null); + return (result == null) ? new Integer(val) : result; } - public long longValue() + /** + * Get the specified system property as an <code>Integer</code>, or use a + * default <code>Integer</code> value if the property is not found or is + * not decodable. + * + * The <code>decode()</code> method will be used to interpret the value of + * the property. + * + * @param nm the name of the system property + * @param val the default value to use if the property is not found or not + * a number. + * @return the system property as an <code>Integer</code>, or the default + * value if the property is not found or cannot be decoded as an + * <code>Integer</code>. + * @see java.lang.System#getProperty(java.lang.String) + * @see #decode(int) + * @see #getInteger(java.lang.String,int) + */ + public static Integer getInteger(String nm, Integer def) { - return value; + String val = System.getProperty(nm); + if (val == null) return def; + try + { + return decode(nm); + } + catch (NumberFormatException e) + { + return def; + } } - public short shortValue() + private static String toUnsignedString(int num, int exp) { - return (short) value; + // Use an array large enough for a binary number. + int radix = 1 << exp; + int mask = radix - 1; + char[] buffer = new char[32]; + int i = 32; + do + { + buffer[--i] = Character.forDigit(num & mask, radix); + num = num >>> exp; + } + while (num != 0); + + return String.valueOf(buffer, i, 32-i); } - // Added in JDK 1.2 - public int compareTo(Integer anotherInteger) + /** + * Converts the <code>int</code> to a <code>String</code> assuming it is + * unsigned in base 16. + * @param i the <code>int</code> to convert to <code>String</code> + * @return the <code>String</code> representation of the argument. + */ + public static String toHexString(int i) { - if (this.value == anotherInteger.value) - return 0; + return toUnsignedString(i, 4); + } - // Returns just -1 or 1 on inequality; doing math might overflow the int. - if (this.value > anotherInteger.value) - return 1; + /** + * Converts the <code>int</code> to a <code>String</code> assuming it is + * unsigned in base 8. + * @param i the <code>int</code> to convert to <code>String</code> + * @return the <code>String</code> representation of the argument. + */ + public static String toOctalString(int i) + { + return toUnsignedString(i, 3); + } - return -1; + /** + * Converts the <code>int</code> to a <code>String</code> assuming it is + * unsigned in base 2. + * @param i the <code>int</code> to convert to <code>String</code> + * @return the <code>String</code> representation of the argument. + */ + public static String toBinaryString(int i) + { + return toUnsignedString(i, 1); } - // Added in JDK 1.2 - /** @throws ClassCastException */ - public int compareTo(Object o) + /** + * Converts the <code>int</code> to a <code>String</code> and assumes + * a radix of 10. + * @param i the <code>int</code> to convert to <code>String</code> + * @return the <code>String</code> representation of the argument. + */ + public static String toString(int i) { - return this.compareTo((Integer) o); + // This is tricky: in libgcj, String.valueOf(int) is a fast native + // implementation. In Classpath it just calls back to + // Integer.toString(int,int). + return String.valueOf (i); } - public static Integer decode(String str) throws NumberFormatException + /** + * Converts the <code>Integer</code> value to a <code>String</code> and + * assumes a radix of 10. + * @return the <code>String</code> representation of this <code>Integer</code>. + */ + public String toString() { - boolean isNeg = false; - int index = 0; - int radix = 10; - final int len; + return toString (value); + } - if ((len = str.length()) == 0) - throw new NumberFormatException(); + /** + * Converts the <code>int</code> to a <code>String</code> using + * the specified radix (base). + * @param i the <code>int</code> to convert to <code>String</code>. + * @param radix the radix (base) to use in the conversion. + * @return the <code>String</code> representation of the argument. + */ + public static String toString(int num, int radix) + { + // Use optimized method for the typical case. + if (radix == 10 || + radix < Character.MIN_RADIX || radix > Character.MAX_RADIX) + return toString(num); - // Negative numbers are always radix 10. - if (str.charAt(0) == '-') + // For negative numbers, print out the absolute value w/ a leading '-'. + // Use an array large enough for a binary number. + char[] buffer = new char[33]; + int i = 33; + boolean isNeg; + if (num < 0) { - radix = 10; - index++; isNeg = true; - } - else if (str.charAt(index) == '#') - { - radix = 16; - index++; - } - else if (str.charAt(index) == '0') - { - // Check if str is just "0" - if (len == 1) - return new Integer(0); + num = -(num); - index++; - if (str.charAt(index) == 'x') + // When the value is MIN_VALUE, it overflows when made positive + if (num < 0) { - radix = 16; - index++; + buffer[--i] = Character.forDigit(-(num + radix) % radix, radix); + num = -(num / radix); } - else - radix = 8; } + else + isNeg = false; - if (index >= len) - throw new NumberFormatException(); - - return new Integer(parseInt(str, index, len, isNeg, radix)); - } - - public boolean equals(Object obj) - { - return (obj instanceof Integer && ((Integer) obj).value == value); - } + do + { + buffer[--i] = Character.forDigit(num % radix, radix); + num /= radix; + } + while (num > 0); - public static Integer getInteger(String prop) - { - return getInteger(prop, null); - } + if (isNeg) + buffer[--i] = '-'; - public static Integer getInteger(String prop, int defval) - { - Integer val = getInteger(prop, null); - return val == null ? new Integer(defval) : val; + return String.valueOf(buffer, i, 33-i); } - public static Integer getInteger(String prop, Integer defobj) + /** + * Creates a new <code>Integer</code> object using the <code>String</code>, + * assuming a radix of 10. + * @param s the <code>String</code> to convert. + * @return the new <code>Integer</code>. + * @see #Integer(java.lang.String) + * @see #parseInt(java.lang.String) + * @exception NumberFormatException thrown if the <code>String</code> + * cannot be parsed as an <code>int</code>. + */ + public static Integer valueOf(String s) throws NumberFormatException { - try - { - String val = System.getProperty(prop); - if (val != null) - return decode(val); - } - catch (NumberFormatException ex) - { - } - return defobj; + return new Integer(parseInt(s)); } - public int hashCode() + /** + * Creates a new <code>Integer</code> object using the <code>String</code> + * and specified radix (base). + * @param s the <code>String</code> to convert. + * @param radix the radix (base) to convert with. + * @return the new <code>Integer</code>. + * @see #parseInt(java.lang.String,int) + * @exception NumberFormatException thrown if the <code>String</code> + * cannot be parsed as an <code>int</code>. + */ + public static Integer valueOf(String s, int radix) + throws NumberFormatException { - return value; + return new Integer(parseInt(s, radix)); } - public static int parseInt(String str) throws NumberFormatException + /** + * Converts the specified <code>String</code> into an <code>int</code>. + * This function assumes a radix of 10. + * + * @param s the <code>String</code> to convert + * @return the <code>int</code> value of the <code>String</code> + * argument. + * @exception NumberFormatException thrown if the <code>String</code> + * cannot be parsed as an <code>int</code>. + */ + public static int parseInt(String s) throws NumberFormatException { - return parseInt(str, 10); + return parseInt(s, 10); } - public static int parseInt(String str, int radix) throws NumberFormatException + /** + * Converts the specified <code>String</code> into an <code>int</code> + * using the specified radix (base). + * + * @param s the <code>String</code> to convert + * @param radix the radix (base) to use in the conversion + * @return the <code>String</code> argument converted to </code>int</code>. + * @exception NumberFormatException thrown if the <code>String</code> + * cannot be parsed as a <code>int</code>. + */ + public static int parseInt(String str, int radix) + throws NumberFormatException { final int len; @@ -199,7 +385,8 @@ public final class Integer extends Number implements Comparable } private static int parseInt(String str, int index, int len, boolean isNeg, - int radix) throws NumberFormatException + int radix) + throws NumberFormatException { int val = 0; int digval; @@ -228,96 +415,156 @@ public final class Integer extends Number implements Comparable return isNeg ? -(val) : val; } - public static String toBinaryString(int num) + /** + * Convert the specified <code>String</code> into an <code>Integer</code>. + * The <code>String</code> may represent decimal, hexadecimal, or + * octal numbers. + * + * The <code>String</code> argument is interpreted based on the leading + * characters. Depending on what the String begins with, the base will be + * interpreted differently: + * + * <table border=1> + * <tr><th>Leading<br>Characters</th><th>Base</th></tr> + * <tr><td>#</td><td>16</td></tr> + * <tr><td>0x</td><td>16</td></tr> + * <tr><td>0X</td><td>16</td></tr> + * <tr><td>0</td><td>8</td></tr> + * <tr><td>Anything<br>Else</td><td>10</td></tr> + * </table> + * + * @param str the <code>String</code> to interpret. + * @return the value of the String as an <code>Integer</code>. + * @exception NumberFormatException thrown if the <code>String</code> + * cannot be parsed as an <code>int</code>. + */ + public static Integer decode(String str) throws NumberFormatException { - return toUnsignedString(num, 1); + boolean isNeg = false; + int index = 0; + int radix = 10; + final int len; + + if (str == null || (len = str.length()) == 0) + throw new NumberFormatException("string null or empty"); + + // Negative numbers are always radix 10. + if (str.charAt(index) == '-') + { + radix = 10; + index++; + isNeg = true; + } + else if (str.charAt(index) == '#') + { + radix = 16; + index++; + } + else if (str.charAt(index) == '0') + { + // Check if str is just "0" + if (len == 1) + return new Integer(0); + + index++; + if (str.charAt(index) == 'x' || str.charAt(index) == 'X') + { + radix = 16; + index++; + } + else + radix = 8; + } + + if (index >= len) + throw new NumberFormatException("empty value"); + + return new Integer(parseInt(str, index, len, isNeg, radix)); } - public static String toHexString(int num) + /** Return the value of this <code>Integer</code> as a <code>byte</code>. + ** @return the value of this <code>Integer</code> as a <code>byte</code>. + **/ + public byte byteValue() { - return toUnsignedString(num, 4); + return (byte) value; } - public static String toOctalString(int num) + /** Return the value of this <code>Integer</code> as a <code>short</code>. + ** @return the value of this <code>Integer</code> as a <code>short</code>. + **/ + public short shortValue() { - return toUnsignedString(num, 3); + return (short) value; } - private static String toUnsignedString(int num, int exp) + /** Return the value of this <code>Integer</code> as an <code>int</code>. + ** @return the value of this <code>Integer</code> as an <code>int</code>. + **/ + public int intValue() { - // Use an array large enough for a binary number. - int radix = 1 << exp; - int mask = radix - 1; - char[] buffer = new char[32]; - int i = 32; - do - { - buffer[--i] = Character.forDigit(num & mask, radix); - num = num >>> exp; - } - while (num != 0); - - return String.valueOf(buffer, i, 32-i); + return value; } - public String toString() + /** Return the value of this <code>Integer</code> as a <code>long</code>. + ** @return the value of this <code>Integer</code> as a <code>long</code>. + **/ + public long longValue() { - return toString(this.value); + return value; } - public static String toString(int num) + /** Return the value of this <code>Integer</code> as a <code>float</code>. + ** @return the value of this <code>Integer</code> as a <code>float</code>. + **/ + public float floatValue() { - return String.valueOf (num); + return value; } - public static String toString(int num, int radix) + /** Return the value of this <code>Integer</code> as a <code>double</code>. + ** @return the value of this <code>Integer</code> as a <code>double</code>. + **/ + public double doubleValue() { - // Use optimized method for the typical case. - if (radix == 10 || - radix < Character.MIN_RADIX || radix > Character.MAX_RADIX) - return toString(num); - - // For negative numbers, print out the absolute value w/ a leading '-'. - // Use an array large enough for a binary number. - char[] buffer = new char[33]; - int i = 33; - boolean isNeg; - if (num < 0) - { - isNeg = true; - num = -(num); - - // When the value is MIN_VALUE, it overflows when made positive - if (num < 0) - { - buffer[--i] = Character.forDigit(-(num + radix) % radix, radix); - num = -(num / radix); - } - } - else - isNeg = false; - - do - { - buffer[--i] = Character.forDigit(num % radix, radix); - num /= radix; - } - while (num > 0); - - if (isNeg) - buffer[--i] = '-'; - - return String.valueOf(buffer, i, 33-i); + return value; } - public static Integer valueOf(String str) throws NumberFormatException + /** + * Compare two Integers numerically by comparing their + * <code>int</code> values. + * @return a positive value if this <code>Integer</code> is greater + * in value than the argument <code>Integer</code>; a negative value + * if this <code>Integer</code> is smaller in value than the argument + * <code>Integer</code>; and <code>0</code>, zero, if this + * <code>Integer</code> is equal in value to the argument + * <code>Integer</code>. + * + * @since 1.2 + */ + public int compareTo(Integer i) { - return new Integer(parseInt(str, 10)); + if (this.value == i.value) + return 0; + + // Returns just -1 or 1 on inequality; doing math might overflow. + if (this.value > i.value) + return 1; + + return -1; } - public static Integer valueOf(String str, int radix) - throws NumberFormatException + /** + * Behaves like <code>compareTo(java.lang.Integer)</code> unless the Object + * is not a <code>Integer</code>. Then it throws a + * <code>ClassCastException</code>. + * @exception ClassCastException if the argument is not a + * <code>Integer</code>. + * + * @since 1.2 + */ + public int compareTo(Object o) { - return new Integer(parseInt(str, radix)); + return compareTo((Integer)o); } } diff --git a/libjava/java/lang/Long.java b/libjava/java/lang/Long.java index c33a43b..addb7e9 100644 --- a/libjava/java/lang/Long.java +++ b/libjava/java/lang/Long.java @@ -1,184 +1,404 @@ -/* Copyright (C) 1998, 1999, 2000, 2001 Free Software Foundation +/* java.lang.Long + Copyright (C) 1998, 1999, 2001 Free Software Foundation, Inc. - This file is part of libgcj. +This file is part of GNU Classpath. -This software is copyrighted work licensed under the terms of the -Libgcj License. Please consult the file "LIBGCJ_LICENSE" for -details. */ +GNU Classpath is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2, or (at your option) +any later version. +GNU Classpath is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +General Public License for more details. + +You should have received a copy of the GNU General Public License +along with GNU Classpath; see the file COPYING. If not, write to the +Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA +02111-1307 USA. + +As a special exception, if you link this library with other files to +produce an executable, this library does not by itself cause the +resulting executable to be covered by the GNU General Public License. +This exception does not however invalidate any other reasons why the +executable file might be covered by the GNU General Public License. */ + + package java.lang; /** - * @author Warren Levy <warrenl@cygnus.com> - * @date September 18, 1998. - */ -/* Written using "Java Class Libraries", 2nd edition, ISBN 0-201-31002-3 - * "The Java Language Specification", ISBN 0-201-63451-1 - * plus online API docs for JDK 1.2 beta from http://www.javasoft.com. - * Status: Believed complete and correct. + * Instances of class <code>Double</code> represent primitive + * <code>double</code> values. + * + * Additionally, this class provides various helper functions and variables + * related to longs. + * + * @author Paul Fisher + * @author John Keiser + * @author Warren Levy + * @since JDK 1.0 */ - public final class Long extends Number implements Comparable { - public static final long MAX_VALUE = 0x7FFFFFFFFFFFFFFFL; - public static final long MIN_VALUE = 0x8000000000000000L; - - // This initialization is seemingly circular, but it is accepted - // by javac, and is handled specially by gcc. - public static final Class TYPE = long.class; + // compatible with JDK 1.0.2+ + static final long serialVersionUID = 4290774380558885855L; - /* The long value of the instance. */ - private long value; - - private static final long serialVersionUID = 4290774380558885855L; + /** + * The minimum value a <code>long</code> can represent is + * -9223372036854775808. + */ + public static final long MIN_VALUE = 0x8000000000000000L; - public Long(long val) + /** + * The maximum value a <code>long</code> can represent is + * 9223372036854775807. + */ + public static final long MAX_VALUE = 0x7fffffffffffffffL; + + /** + * The primitive type <code>long</code> is represented by this + * <code>Class</code> object. + */ + public static final Class TYPE = VMClassLoader.getPrimitiveClass ("long"); + + /** + * The immutable value of this Long. + */ + private final long value; + + /** + * Create a <code>Long</code> object representing the value of the + * <code>long</code> argument. + * + * @param value the value to use + */ + public Long(long value) { - value = val; + this.value = value; } - public Long(String str) throws NumberFormatException + /** + * Create a <code>Long</code> object representing the value of the + * argument after conversion to a <code>long</code>. + * + * @param s the string to convert. + */ + public Long(String s) throws NumberFormatException { - value = parseLong(str, 10); + value = parseLong(s, 10); } - public byte byteValue() + /** + * If the <code>Object</code> is not <code>null</code>, is an + * <code>instanceof</code> <code>Long</code>, and represents + * the same primitive <code>long</code> value return + * <code>true</code>. Otherwise <code>false</code> is returned. + */ + public boolean equals(Object obj) { - return (byte) value; + return obj instanceof Long && ((Long)obj).value == value; } - public double doubleValue() + /** + * Return a hashcode representing this Object. + * + * <code>Long</code>'s hash code is calculated by simply returning its + * value. + * + * @return this Object's hash code. + */ + public int hashCode() { - return (double) value; + return (int)(value^(value>>>32)); } - public float floatValue() + /** + * Get the specified system property as a <code>Long</code>. + * + * A method similar to <code>Integer</code>'s <code>decode()</code> will be + * used to interpret the value of the property. + * + * @param nm the name of the system property + * @return the system property as an <code>Long</code>, or + * <code>null</code> if the property is not found or cannot be + * decoded as a <code>Long</code>. + * @see java.lang.System#getProperty(java.lang.String) + * @see java.lang.Integer#decode(int) + */ + public static Long getLong(String nm) { - return (float) value; + return getLong(nm, null); } - public int intValue() + /** + * Get the specified system property as an <code>Long</code>, or use a + * default <code>long</code> value if the property is not found or is not + * decodable. + * + * A method similar to <code>Integer</code>'s <code>decode()</code> will be + * used to interpret the value of the property. + * + * @param nm the name of the system property + * @param val the default value to use if the property is not found or not + * a number. + * @return the system property as a <code>Long</code>, or the default + * value if the property is not found or cannot be decoded as a + * <code>Long</code>. + * @see java.lang.System#getProperty(java.lang.String) + * @see java.lang.Integer#decode(int) + * @see #getLong(java.lang.String,java.lang.Long) + */ + public static Long getLong(String nm, long val) { - return (int) value; + Long result = getLong(nm, null); + return (result == null) ? new Long(val) : result; } - public long longValue() + /** + * Get the specified system property as an <code>Long</code>, or use a + * default <code>Long</code> value if the property is not found or is + * not decodable. + * + * The <code>decode()</code> method will be used to interpret the value of + * the property. + * + * @param nm the name of the system property + * @param val the default value to use if the property is not found or not + * a number. + * @return the system property as an <code>Long</code>, or the default + * value if the property is not found or cannot be decoded as an + * <code>Long</code>. + * @see java.lang.System#getProperty(java.lang.String) + * @see java.lang.Integer#decode(int) + * @see #getLong(java.lang.String,long) + */ + public static Long getLong(String nm, Long def) { - return value; + String val = System.getProperty(nm); + if (val == null) + return def; + try + { + return decode(nm); + } + catch (NumberFormatException e) + { + return def; + } } - public short shortValue() + private static String toUnsignedString(long num, int exp) { - return (short) value; + // Use an array large enough for a binary number. + int radix = 1 << exp; + int mask = radix - 1; + char[] buffer = new char[64]; + int i = 64; + do + { + buffer[--i] = Character.forDigit((int) num & mask, radix); + num = num >>> exp; + } + while (num != 0); + + return String.valueOf(buffer, i, 64-i); } - // Added in JDK 1.2 - public int compareTo(Long anotherLong) + /** + * Converts the <code>long</code> to a <code>String</code> assuming it is + * unsigned in base 16. + * @param i the <code>long</code> to convert to <code>String</code> + * @return the <code>String</code> representation of the argument. + */ + public static String toHexString(long i) { - if (this.value == anotherLong.value) - return 0; - - // Returns just -1 or 1 on inequality; doing math might overflow the long. - if (this.value > anotherLong.value) - return 1; - - return -1; + return toUnsignedString(i, 4); } - // Added in JDK 1.2 - /** @throws ClassCastException */ - public int compareTo(Object o) + /** + * Converts the <code>long</code> to a <code>String</code> assuming it is + * unsigned in base 8. + * @param i the <code>long</code> to convert to <code>String</code> + * @return the <code>String</code> representation of the argument. + */ + public static String toOctalString(long i) { - return this.compareTo((Long) o); + return toUnsignedString(i, 3); } - // Added in JDK 1.2 - public static Long decode(String str) throws NumberFormatException - { - boolean isNeg = false; - int index = 0; - int radix = 10; - final int len; + /** + * Converts the <code>long</code> to a <code>String</code> assuming it is + * unsigned in base 2. + * @param i the <code>long</code> to convert to <code>String</code> + * @return the <code>String</code> representation of the argument. + */ + public static String toBinaryString(long i) { + return toUnsignedString(i, 1); + } - if ((len = str.length()) == 0) - throw new NumberFormatException(); + /** + * Converts the <code>long</code> to a <code>String</code> and assumes + * a radix of 10. + * @param num the <code>long</code> to convert to <code>String</code> + * @return the <code>String</code> representation of the argument. + */ + public static String toString(long num) + { + // Use the Integer toString for efficiency if possible. + if (num <= Integer.MAX_VALUE && num >= Integer.MIN_VALUE) + return Integer.toString((int) num); - // Negative numbers are always radix 10. - if (str.charAt(0) == '-') + // Use an array large enough for "-9223372036854775808"; i.e. 20 chars. + char[] buffer = new char[20]; + int i = 20; + boolean isNeg; + if (num < 0) { - radix = 10; - index++; isNeg = true; - } - else if (str.charAt(index) == '#') - { - radix = 16; - index++; - } - else if (str.charAt(index) == '0') - { - // Check if str is just "0" - if (len == 1) - return new Long(0L); - - index++; - if (str.charAt(index) == 'x') + num = -(num); + if (num < 0) { - radix = 16; - index++; + // Must be MIN_VALUE, so handle this special case. + buffer[--i] = '8'; + num = 922337203685477580L; } - else - radix = 8; } + else + isNeg = false; - if (index >= len) - throw new NumberFormatException(); + do + { + buffer[--i] = (char) ((int) '0' + (num % 10)); + num /= 10; + } + while (num > 0); - return new Long(parseLong(str, index, len, isNeg, radix)); - } + if (isNeg) + buffer[--i] = '-'; - public boolean equals(Object obj) - { - return (obj instanceof Long && ((Long) obj).value == value); + return String.valueOf(buffer, i, 20-i); } - public static Long getLong(String prop) + /** + * Converts the <code>Long</code> value to a <code>String</code> and + * assumes a radix of 10. + * @return the <code>String</code> representation of this <code>Long</code>. + */ + public String toString() { - return getLong(prop, null); + return toString(value); } - - public static Long getLong(String prop, long defval) + + /** + * Converts the <code>long</code> to a <code>String</code> using + * the specified radix (base). + * @param num the <code>long</code> to convert to <code>String</code>. + * @param radix the radix (base) to use in the conversion. + * @return the <code>String</code> representation of the argument. + */ + public static String toString(long num, int radix) { - Long val = getLong(prop, null); - return val == null ? new Long(defval) : val; - } + // Use optimized method for the typical case. + if (radix == 10 || + radix < Character.MIN_RADIX || radix > Character.MAX_RADIX) + return toString(num); - public static Long getLong(String prop, Long defobj) - { - try + // Use the Integer toString for efficiency if possible. + if (num <= Integer.MAX_VALUE && num >= Integer.MIN_VALUE) + return Integer.toString((int) num, radix); + + // For negative numbers, print out the absolute value w/ a leading '-'. + // Use an array large enough for a binary number. + char[] buffer = new char[65]; + int i = 65; + boolean isNeg; + if (num < 0) { - String val = System.getProperty(prop); - if (val != null) - return decode(val); + isNeg = true; + num = -(num); + + // When the value is MIN_VALUE, it overflows when made positive + if (num < 0) + { + buffer[--i] = Character.forDigit((int) (-(num + radix) % radix), + radix); + num = -(num / radix); + } } - catch (NumberFormatException ex) + else + isNeg = false; + + do { + buffer[--i] = Character.forDigit((int) (num % radix), radix); + num /= radix; } - return defobj; + while (num > 0); + + if (isNeg) + buffer[--i] = '-'; + + return String.valueOf(buffer, i, 65-i); + } + + /** + * Creates a new <code>Long</code> object using the <code>String</code>, + * assuming a radix of 10. + * @param s the <code>String</code> to convert. + * @return the new <code>Long</code>. + * @see #Long(java.lang.String) + * @see #parseLong(java.lang.String) + * @exception NumberFormatException thrown if the <code>String</code> + * cannot be parsed as a <code>long</code>. + */ + public static Long valueOf(String s) throws NumberFormatException + { + return new Long(parseLong(s)); } - public int hashCode() + /** + * Creates a new <code>Long</code> object using the <code>String</code> + * and specified radix (base). + * @param s the <code>String</code> to convert. + * @param radix the radix (base) to convert with. + * @return the new <code>Long</code>. + * @see #parseLong(java.lang.String,int) + * @exception NumberFormatException thrown if the <code>String</code> + * cannot be parsed as a <code>long</code>. + */ + public static Long valueOf(String s, int radix) throws NumberFormatException { - return (int)(this.longValue()^(this.longValue()>>>32)); + return new Long(parseLong(s, radix)); } - public static long parseLong(String str) throws NumberFormatException + /** + * Converts the specified <code>String</code> into a <code>long</code>. + * This function assumes a radix of 10. + * + * @param s the <code>String</code> to convert + * @return the <code>long</code> value of the <code>String</code> + * argument. + * @exception NumberFormatException thrown if the <code>String</code> + * cannot be parsed as a <code>long</code>. + */ + public static long parseLong(String s) throws NumberFormatException { - return parseLong(str, 10); + return parseLong(s, 10); } + /** + * Converts the specified <code>String</code> into a <code>long</code> + * using the specified radix (base). + * + * @param s the <code>String</code> to convert + * @param radix the radix (base) to use in the conversion + * @return the <code>String</code> argument converted to </code>long</code>. + * @exception NumberFormatException thrown if the <code>String</code> + * cannot be parsed as a <code>long</code>. + */ public static long parseLong(String str, int radix) - throws NumberFormatException + throws NumberFormatException { final int len; @@ -200,6 +420,50 @@ public final class Long extends Number implements Comparable return parseLong(str, index, len, isNeg, radix); } + public static Long decode(String str) throws NumberFormatException + { + boolean isNeg = false; + int index = 0; + int radix = 10; + final int len; + + if ((len = str.length()) == 0) + throw new NumberFormatException(); + + // Negative numbers are always radix 10. + if (str.charAt(0) == '-') + { + radix = 10; + index++; + isNeg = true; + } + else if (str.charAt(index) == '#') + { + radix = 16; + index++; + } + else if (str.charAt(index) == '0') + { + // Check if str is just "0" + if (len == 1) + return new Long(0L); + + index++; + if (str.charAt(index) == 'x') + { + radix = 16; + index++; + } + else + radix = 8; + } + + if (index >= len) + throw new NumberFormatException(); + + return new Long(parseLong(str, index, len, isNeg, radix)); + } + private static long parseLong(String str, int index, int len, boolean isNeg, int radix) throws NumberFormatException { @@ -230,133 +494,89 @@ public final class Long extends Number implements Comparable return isNeg ? -(val) : val; } - public static String toBinaryString(long num) + /** Return the value of this <code>Long</code> as an <code>short</code>. + ** @return the value of this <code>Long</code> as an <code>short</code>. + **/ + public byte byteValue() { - return toUnsignedString(num, 1); + return (byte) value; } - public static String toHexString(long num) + /** Return the value of this <code>Long</code> as an <code>short</code>. + ** @return the value of this <code>Long</code> as an <code>short</code>. + **/ + public short shortValue() { - return toUnsignedString(num, 4); + return (short) value; } - public static String toOctalString(long num) + /** Return the value of this <code>Long</code> as an <code>int</code>. + ** @return the value of this <code>Long</code> as an <code>int</code>. + **/ + public int intValue() { - return toUnsignedString(num, 3); + return (int) value; } - private static String toUnsignedString(long num, int exp) + /** Return the value of this <code>Long</code> as a <code>long</code>. + ** @return the value of this <code>Long</code> as a <code>long</code>. + **/ + public long longValue() { - // Use an array large enough for a binary number. - int radix = 1 << exp; - long mask = radix - 1; - char[] buffer = new char[64]; - int i = 64; - do - { - buffer[--i] = Character.forDigit((int) (num & mask), radix); - num = num >>> exp; - } - while (num != 0); - - return String.valueOf(buffer, i, 64-i); + return value; } - public String toString() + /** Return the value of this <code>Long</code> as a <code>float</code>. + ** @return the value of this <code>Long</code> as a <code>float</code>. + **/ + public float floatValue() { - return toString(this.value); + return value; } - public static String toString(long num) + /** Return the value of this <code>Long</code> as a <code>double</code>. + ** @return the value of this <code>Long</code> as a <code>double</code>. + **/ + public double doubleValue() { - // Use the Integer toString for efficiency if possible. - if (num <= Integer.MAX_VALUE && num >= Integer.MIN_VALUE) - return Integer.toString((int) num); - - // Use an array large enough for "-9223372036854775808"; i.e. 20 chars. - char[] buffer = new char[20]; - int i = 20; - boolean isNeg; - if (num < 0) - { - isNeg = true; - num = -(num); - if (num < 0) - { - // Must be MIN_VALUE, so handle this special case. - buffer[--i] = '8'; - num = 922337203685477580L; - } - } - else - isNeg = false; - - do - { - buffer[--i] = (char) ((int) '0' + (num % 10)); - num /= 10; - } - while (num > 0); - - if (isNeg) - buffer[--i] = '-'; - - return String.valueOf(buffer, i, 20-i); + return value; } - public static String toString(long num, int radix) + /** + * Compare two Longs numerically by comparing their + * <code>long</code> values. + * @return a positive value if this <code>Long</code> is greater + * in value than the argument <code>Long</code>; a negative value + * if this <code>Long</code> is smaller in value than the argument + * <code>Long</code>; and <code>0</code>, zero, if this + * <code>Long</code> is equal in value to the argument + * <code>Long</code>. + * + * @since 1.2 + */ + public int compareTo(Long l) { - // Use optimized method for the typical case. - if (radix == 10 || - radix < Character.MIN_RADIX || radix > Character.MAX_RADIX) - return toString(num); - - // Use the Integer toString for efficiency if possible. - if (num <= Integer.MAX_VALUE && num >= Integer.MIN_VALUE) - return Integer.toString((int) num, radix); - - // For negative numbers, print out the absolute value w/ a leading '-'. - // Use an array large enough for a binary number. - char[] buffer = new char[65]; - int i = 65; - boolean isNeg; - if (num < 0) - { - isNeg = true; - num = -(num); - - // When the value is MIN_VALUE, it overflows when made positive - if (num < 0) - { - buffer[--i] = Character.forDigit((int) (-(num + radix) % radix), - radix); - num = -(num / radix); - } - } - else - isNeg = false; - - do - { - buffer[--i] = Character.forDigit((int) (num % radix), radix); - num /= radix; - } - while (num > 0); - - if (isNeg) - buffer[--i] = '-'; + if (this.value == l.value) + return 0; - return String.valueOf(buffer, i, 65-i); - } + // Returns just -1 or 1 on inequality; doing math might overflow the long. + if (this.value > l.value) + return 1; - public static Long valueOf(String str) throws NumberFormatException - { - return new Long(parseLong(str, 10)); + return -1; } - - public static Long valueOf(String str, int radix) - throws NumberFormatException + + /** + * Behaves like <code>compareTo(java.lang.Long)</code> unless the Object + * is not a <code>Long</code>. Then it throws a + * <code>ClassCastException</code>. + * @exception ClassCastException if the argument is not a + * <code>Long</code>. + * + * @since 1.2 + */ + public int compareTo(Object o) { - return new Long(parseLong(str, radix)); + return compareTo((Long)o); } } diff --git a/libjava/java/lang/Number.java b/libjava/java/lang/Number.java index 92d98af..7eb8bee 100644 --- a/libjava/java/lang/Number.java +++ b/libjava/java/lang/Number.java @@ -1,41 +1,83 @@ -/* Copyright (C) 1998, 1999, 2000 Free Software Foundation +/* java.lang.Number + Copyright (C) 1998, 2001 Free Software Foundation, Inc. - This file is part of libgcj. +This file is part of GNU Classpath. -This software is copyrighted work licensed under the terms of the -Libgcj License. Please consult the file "LIBGCJ_LICENSE" for -details. */ +GNU Classpath is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2, or (at your option) +any later version. +GNU Classpath is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +General Public License for more details. + +You should have received a copy of the GNU General Public License +along with GNU Classpath; see the file COPYING. If not, write to the +Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA +02111-1307 USA. + +As a special exception, if you link this library with other files to +produce an executable, this library does not by itself cause the +resulting executable to be covered by the GNU General Public License. +This exception does not however invalidate any other reasons why the +executable file might be covered by the GNU General Public License. */ + + package java.lang; import java.io.Serializable; - + /** - * @author Warren Levy <warrenl@cygnus.com> - * @date September 2, 1998. - */ -/* Written using "Java Class Libraries", 2nd edition, ISBN 0-201-31002-3 - * "The Java Language Specification", ISBN 0-201-63451-1 - * plus online API docs for JDK 1.2 beta from http://www.javasoft.com. - * Status: Believed complete and correct. - */ - + ** Number is a generic superclass of all the numeric classes, namely + ** <code>Byte</code>, <code>Short</code>, <code>Integer</code>, + ** <code>Long</code>, <code>Float</code>, and <code>Double</code>. + ** + ** It provides ways to convert from any one value to any other. + ** + ** @author Paul Fisher + ** @author John Keiser + ** @author Warren Levy + ** @since JDK1.0 + **/ public abstract class Number implements Serializable { - public byte byteValue() // Became non-abstract in JDK 1.2 + /** Return the value of this <code>Number</code> as a <code>byte</code>. + ** @return the value of this <code>Number</code> as a <code>byte</code>. + **/ + public byte byteValue() { return (byte) intValue(); } - public abstract double doubleValue(); - public abstract float floatValue(); - public abstract int intValue(); - public abstract long longValue(); - - public short shortValue() // Became non-abstract in JDK 1.2 + /** Return the value of this <code>Number</code> as a <code>short</code>. + ** @return the value of this <code>Number</code> as a <code>short</code>. + **/ + public short shortValue() { return (short) intValue(); } + /** Return the value of this <code>Number</code> as an <code>int</code>. + ** @return the value of this <code>Number</code> as an <code>int</code>. + **/ + public abstract int intValue(); + + /** Return the value of this <code>Number</code> as a <code>long</code>. + ** @return the value of this <code>Number</code> as a <code>long</code>. + **/ + public abstract long longValue(); + + /** Return the value of this <code>Number</code> as a <code>float</code>. + ** @return the value of this <code>Number</code> as a <code>float</code>. + **/ + public abstract float floatValue(); + + /** Return the value of this <code>Number</code> as a <code>float</code>. + ** @return the value of this <code>Number</code> as a <code>float</code>. + **/ + public abstract double doubleValue(); + private static final long serialVersionUID = -8742448824652078965L; } diff --git a/libjava/java/lang/Short.java b/libjava/java/lang/Short.java index 66eb4fd..db3cac0 100644 --- a/libjava/java/lang/Short.java +++ b/libjava/java/lang/Short.java @@ -1,144 +1,307 @@ -/* Copyright (C) 1998, 1999, 2000, 2001 Free Software Foundation +/* java.lang.Short + Copyright (C) 1998, 2001 Free Software Foundation, Inc. - This file is part of libgcj. +This file is part of GNU Classpath. + +GNU Classpath is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2, or (at your option) +any later version. + +GNU Classpath is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +General Public License for more details. + +You should have received a copy of the GNU General Public License +along with GNU Classpath; see the file COPYING. If not, write to the +Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA +02111-1307 USA. + +As a special exception, if you link this library with other files to +produce an executable, this library does not by itself cause the +resulting executable to be covered by the GNU General Public License. +This exception does not however invalidate any other reasons why the +executable file might be covered by the GNU General Public License. */ -This software is copyrighted work licensed under the terms of the -Libgcj License. Please consult the file "LIBGCJ_LICENSE" for -details. */ package java.lang; /** - * @author Per Bothner <bothner@cygnus.com> - * @date April 17, 1998. + * Instances of class <code>Short</code> represent primitive + * <code>short</code> values. + * + * Additionally, this class provides various helper functions and variables + * related to shorts. + * + * @author Paul Fisher + * @author John Keiser + * @since JDK 1.0 */ -/* Written using "Java Class Libraries", 2nd edition, plus online - * API docs for JDK 1.2 beta from http://www.javasoft.com. - * Status: Believed complete and correct. - * Includes JDK 1.2 methods. - */ - public final class Short extends Number implements Comparable { - short value; + static final long serialVersionUID = 7515723908773894738L; + + /** + * The minimum value a <code>short</code> can represent is -32768. + */ + public static final short MIN_VALUE = -32768; - public final static short MIN_VALUE = -32768; - public final static short MAX_VALUE = 32767; + /** + * The minimum value a <code>short</code> can represent is 32767. + */ + public static final short MAX_VALUE = 32767; - // This initialization is seemingly circular, but it is accepted - // by javac, and is handled specially by gcc. - public static final Class TYPE = short.class; + /** + * The primitive type <code>short</code> is represented by this + * <code>Class</code> object. + */ + public static final Class TYPE = VMClassLoader.getPrimitiveClass("short"); - private static final long serialVersionUID = 7515723908773894738L; + /** + * The immutable value of this Short. + */ + private final short value; + /** + * Create a <code>Short</code> object representing the value of the + * <code>short</code> argument. + * + * @param value the value to use + */ public Short(short value) { this.value = value; } - public Short(String str) - throws NumberFormatException + /** + * Create a <code>Short</code> object representing the value of the + * argument after conversion to a <code>short</code>. + * + * @param s the string to convert. + */ + public Short(String s) throws NumberFormatException { - this.value = parseShort(str, 10); + value = parseShort(s, 10); } - public byte byteValue() + /** + * Return a hashcode representing this Object. + * + * <code>Short</code>'s hash code is calculated by simply returning its + * value. + * + * @return this Object's hash code. + */ + public int hashCode() { - return (byte) value; + return value; } - public short shortValue() + /** + * If the <code>Object</code> is not <code>null</code>, is an + * <code>instanceof</code> <code>Short</code>, and represents + * the same primitive <code>short</code> value return + * <code>true</code>. Otherwise <code>false</code> is returned. + */ + public boolean equals(Object obj) { - return value; + return obj instanceof Short && ((Short)obj).value == value; } - public int intValue() + /** + * Converts the <code>short</code> to a <code>String</code> and assumes + * a radix of 10. + * @param i the <code>short</code> to convert to <code>String</code> + * @return the <code>String</code> representation of the argument. + */ + public static String toString(short i) { - return value; + return Integer.toString((int) i); } - public long longValue () + /** + * Converts the <code>Short</code> value to a <code>String</code> and + * assumes a radix of 10. + * @return the <code>String</code> representation of this <code>Short</code>. + */ + public String toString() { - return value; + return Integer.toString ((int) value); } - public float floatValue () + /** + * Creates a new <code>Short</code> object using the <code>String</code>, + * assuming a radix of 10. + * @param s the <code>String</code> to convert. + * @return the new <code>Short</code>. + * @see #Short(java.lang.String) + * @see #parseShort(java.lang.String) + * @exception NumberFormatException thrown if the <code>String</code> + * cannot be parsed as a <code>short</code>. + */ + public static Short valueOf(String s) throws NumberFormatException { - return (float) value; + return new Short(parseShort(s)); } - public double doubleValue () + /** + * Creates a new <code>Short</code> object using the <code>String</code> + * and specified radix (base). + * @param s the <code>String</code> to convert. + * @param radix the radix (base) to convert with. + * @return the new <code>Short</code>. + * @see #parseShort(java.lang.String,int) + * @exception NumberFormatException thrown if the <code>String</code> + * cannot be parsed as a <code>short</code>. + */ + public static Short valueOf(String s, int radix) + throws NumberFormatException { - return (double) value; + return new Short(parseShort(s, radix)); } - public static Short decode(String str) - throws NumberFormatException + /** + * Converts the specified <code>String</code> into a <code>short</code>. + * This function assumes a radix of 10. + * + * @param s the <code>String</code> to convert + * @return the <code>short</code> value of the <code>String</code> + * argument. + * @exception NumberFormatException thrown if the <code>String</code> + * cannot be parsed as a <code>short</code>. + */ + public static short parseShort(String s) throws NumberFormatException { - int i = (Integer.decode(str)).intValue(); - if (i < MIN_VALUE || i > MAX_VALUE) - throw new NumberFormatException(); - return new Short((short) i); + return parseShort(s, 10); } - public static short parseShort(String str, int radix) + /** + * Converts the specified <code>String</code> into a <code>short</code> + * using the specified radix (base). + * + * @param s the <code>String</code> to convert + * @param radix the radix (base) to use in the conversion + * @return the <code>String</code> argument converted to </code>short</code>. + * @exception NumberFormatException thrown if the <code>String</code> + * cannot be parsed as a <code>short</code>. + */ + public static short parseShort(String s, int radix) throws NumberFormatException { - int i = Integer.parseInt(str, radix); + int i = Integer.parseInt(s, radix); if (i < MIN_VALUE || i > MAX_VALUE) throw new NumberFormatException(); return (short) i; } - public static short parseShort(String str) - throws NumberFormatException + /** + * Convert the specified <code>String</code> into a <code>Short</code>. + * The <code>String</code> may represent decimal, hexadecimal, or + * octal numbers. + * + * The <code>String</code> argument is interpreted based on the leading + * characters. Depending on what the String begins with, the base will be + * interpreted differently: + * + * <table> + * <tr><th>Leading<br>Characters</th><th>Base</th></tr> + * <tr><td>#</td><td>16</td></tr> + * <tr><td>0x</td><td>16</td></tr> + * <tr><td>0X</td><td>16</td></tr> + * <tr><td>0</td><td>8</td></tr> + * <tr><td>Anything<br>Else</td><td>10</td></tr> + * </table> + * + * @param s the <code>String</code> to interpret. + * @return the value of the String as a <code>Short</code>. + * @exception NumberFormatException thrown if the <code>String</code> + * cannot be parsed as a <code>short</code>. + */ + public static Short decode(String s) throws NumberFormatException { - return parseShort(str, 10); + int i = (Integer.decode(s)).intValue(); + if (i < MIN_VALUE || i > MAX_VALUE) + throw new NumberFormatException(); + return new Short((short) i); } - public static Short valueOf(String str, int radix) - throws NumberFormatException + /** Return the value of this <code>Short</code> as an <code>short</code>. + ** @return the value of this <code>Short</code> as an <code>short</code>. + **/ + public byte byteValue() { - return new Short(parseShort(str, radix)); + return (byte) value; } - public static Short valueOf(String str) - throws NumberFormatException + /** Return the value of this <code>Short</code> as an <code>short</code>. + ** @return the value of this <code>Short</code> as an <code>short</code>. + **/ + public short shortValue() { - return valueOf(str, 10); + return value; } - // Added in JDK 1.2 - public int compareTo(Short anotherShort) + /** Return the value of this <code>Short</code> as an <code>int</code>. + ** @return the value of this <code>Short</code> as an <code>int</code>. + **/ + public int intValue() { - return this.value - anotherShort.value; + return value; } - // Added in JDK 1.2 - /** @throws ClassCastException */ - public int compareTo(Object o) + /** Return the value of this <code>Short</code> as a <code>long</code>. + ** @return the value of this <code>Short</code> as a <code>long</code>. + **/ + public long longValue() { - return this.value - ((Short) o).value; + return value; } - public boolean equals(Object obj) + /** Return the value of this <code>Short</code> as a <code>float</code>. + ** @return the value of this <code>Short</code> as a <code>float</code>. + **/ + public float floatValue() { - return (obj instanceof Short) && ((Short) obj).value == value; + return value; } - // Verified that hashCode is returns plain value (see Short_1 test). - public int hashCode() + /** Return the value of this <code>Short</code> as a <code>double</code>. + ** @return the value of this <code>Short</code> as a <code>double</code>. + **/ + public double doubleValue() { return value; } - public String toString() + /** + * Compare two Shorts numerically by comparing their + * <code>short</code> values. + * @return a positive value if this <code>Short</code> is greater + * in value than the argument <code>Short</code>; a negative value + * if this <code>Short</code> is smaller in value than the argument + * <code>Short</code>; and <code>0</code>, zero, if this + * <code>Short</code> is equal in value to the argument + * <code>Short</code>. + * + * @since 1.2 + */ + public int compareTo(Short s) { - return Integer.toString((int) value); + return value - s.value; } - - public static String toString(short value) + + /** + * Behaves like <code>compareTo(java.lang.Short)</code> unless the Object + * is not a <code>Short</code>. Then it throws a + * <code>ClassCastException</code>. + * @exception ClassCastException if the argument is not a + * <code>Short</code>. + * + * @since 1.2 + */ + public int compareTo(Object o) { - return Integer.toString((int) value); + return compareTo((Short)o); } } diff --git a/libjava/java/lang/VMClassLoader.java b/libjava/java/lang/VMClassLoader.java new file mode 100644 index 0000000..de0db88 --- /dev/null +++ b/libjava/java/lang/VMClassLoader.java @@ -0,0 +1,85 @@ +/* + * java.lang.ClassLoader: part of the Java Class Libraries project. + * Copyright (C) 1998, 2001 Free Software Foundation + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Library General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Library General Public License for more details. + * + * You should have received a copy of the GNU Library General Public + * License along with this library; if not, write to the + * Free Software Foundation, Inc., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, USA. + */ + +package java.lang; + +/** + * java.lang.VMClassLoader is a package-private helper for VMs to implement + * on behalf of java.lang.ClassLoader. + * + * @author John Keiser + * @version 1.1.0, Sep 22 1998 + * @since CP1.1 + */ + +class VMClassLoader { + + /** + * Helper to define a class using a string of bytes. + * + * @param name the name to give the class. null if unknown. + * @param data the data representing the classfile, in classfile format. + * @param offset the offset into the data where the classfile starts. + * @param len the length of the classfile data in the array. + * @return the class that was defined. + * @exception ClassFormatError if the byte array is not in proper classfile format. + */ + // Not yet needed for libgcj. +// final static native Class defineClass(ClassLoader cl, String name, +// byte[] data, int offset, int len) throws ClassFormatError; + + /** + * Helper to resolve all references to other classes from this class. + * @param c the class to resolve. + */ + // Not yet needed for libgcj. + // final static native void resolveClass(Class c); + + /** + * Helper for java.lang.Integer, Byte, etc. to get the TYPE class + * at initialization time. If there are multiple classloaders, this + * method may be called once per ClassLoader per type. + * + * @param type name of the primitive type; i.e. "int", "byte", etc. + * @return a "bogus" class representing the primitive type. + */ + static final Class getPrimitiveClass(String type) + { + if ("int".equals (type)) + return int.class; + else if ("long".equals (type)) + return int.class; + else if ("boolean".equals (type)) + return int.class; + else if ("short".equals (type)) + return int.class; + else if ("char".equals (type)) + return int.class; + else if ("byte".equals (type)) + return int.class; + else if ("float".equals (type)) + return int.class; + else if ("double".equals (type)) + return int.class; + else if ("void".equals (type)) + return int.class; + return null; + } +} |