diff options
Diffstat (limited to 'libjava/classpath/vm/reference/java')
| -rw-r--r-- | libjava/classpath/vm/reference/java/io/VMFile.java | 26 | ||||
| -rw-r--r-- | libjava/classpath/vm/reference/java/lang/reflect/Constructor.java | 420 | ||||
| -rw-r--r-- | libjava/classpath/vm/reference/java/lang/reflect/Method.java | 489 | ||||
| -rw-r--r-- | libjava/classpath/vm/reference/java/lang/reflect/VMConstructor.java | 169 | ||||
| -rw-r--r-- | libjava/classpath/vm/reference/java/lang/reflect/VMField.java (renamed from libjava/classpath/vm/reference/java/lang/reflect/Field.java) | 282 | ||||
| -rw-r--r-- | libjava/classpath/vm/reference/java/lang/reflect/VMMethod.java | 209 | ||||
| -rw-r--r-- | libjava/classpath/vm/reference/java/net/VMNetworkInterface.java | 17 |
7 files changed, 487 insertions, 1125 deletions
diff --git a/libjava/classpath/vm/reference/java/io/VMFile.java b/libjava/classpath/vm/reference/java/io/VMFile.java index 2a27517..9f584af 100644 --- a/libjava/classpath/vm/reference/java/io/VMFile.java +++ b/libjava/classpath/vm/reference/java/io/VMFile.java @@ -58,10 +58,10 @@ final class VMFile { if (Configuration.INIT_LOAD_LIBRARY) { - System.loadLibrary("javaio"); + System.loadLibrary("javaio"); } } - + /* * This native method does the actual work of getting the last file * modification time. It also does the existence check to avoid the @@ -167,19 +167,7 @@ final class VMFile /** * This methods checks if a directory can be written to. */ - static boolean canWriteDirectory(File dir) - { - try - { - String filename = IS_DOS_8_3 ? "tst" : "test-dir-write"; - File test = File.createTempFile(filename, null, dir); - return (test != null && test.delete()); - } - catch (IOException ioe) - { - return false; - } - } + static native boolean canWriteDirectory(String path); /** * This native method checks file permissions for reading @@ -199,6 +187,14 @@ final class VMFile static native boolean isDirectory(String dirpath); /** + * This methods checks if a directory can be written to. + */ + static boolean canWriteDirectory(File path) + { + return canWriteDirectory(path.getAbsolutePath()); + } + + /** * This method returns an array of filesystem roots. Some operating systems * have volume oriented filesystem. This method provides a mechanism for * determining which volumes exist. GNU systems use a single hierarchical diff --git a/libjava/classpath/vm/reference/java/lang/reflect/Constructor.java b/libjava/classpath/vm/reference/java/lang/reflect/Constructor.java deleted file mode 100644 index 8c604cc..0000000 --- a/libjava/classpath/vm/reference/java/lang/reflect/Constructor.java +++ /dev/null @@ -1,420 +0,0 @@ -/* java.lang.reflect.Constructor - reflection of Java constructors - Copyright (C) 1998, 2001, 2004, 2005 Free Software Foundation, Inc. - -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., 51 Franklin Street, Fifth Floor, Boston, MA -02110-1301 USA. - -Linking this library statically or dynamically with other modules is -making a combined work based on this library. Thus, the terms and -conditions of the GNU General Public License cover the whole -combination. - -As a special exception, the copyright holders of this library give you -permission to link this library with independent modules to produce an -executable, regardless of the license terms of these independent -modules, and to copy and distribute the resulting executable under -terms of your choice, provided that you also meet, for each linked -independent module, the terms and conditions of the license of that -module. An independent module is a module which is not derived from -or based on this library. If you modify this library, you may extend -this exception to your version of the library, but you are not -obligated to do so. If you do not wish to do so, delete this -exception statement from your version. */ - - -package java.lang.reflect; - -import gnu.java.lang.ClassHelper; - -import gnu.java.lang.reflect.MethodSignatureParser; - -import java.lang.annotation.Annotation; -import java.util.Arrays; - -/** - * The Constructor class represents a constructor of a class. It also allows - * dynamic creation of an object, via reflection. Invocation on Constructor - * objects knows how to do widening conversions, but throws - * {@link IllegalArgumentException} if a narrowing conversion would be - * necessary. You can query for information on this Constructor regardless - * of location, but construction access may be limited by Java language - * access controls. If you can't do it in the compiler, you can't normally - * do it here either.<p> - * - * <B>Note:</B> This class returns and accepts types as Classes, even - * primitive types; there are Class types defined that represent each - * different primitive type. They are <code>java.lang.Boolean.TYPE, - * java.lang.Byte.TYPE,</code>, also available as <code>boolean.class, - * byte.class</code>, etc. These are not to be confused with the - * classes <code>java.lang.Boolean, java.lang.Byte</code>, etc., which are - * real classes.<p> - * - * Also note that this is not a serializable class. It is entirely feasible - * to make it serializable using the Externalizable interface, but this is - * on Sun, not me. - * - * @author John Keiser - * @author Eric Blake <ebb9@email.byu.edu> - * @see Member - * @see Class - * @see java.lang.Class#getConstructor(Class[]) - * @see java.lang.Class#getDeclaredConstructor(Class[]) - * @see java.lang.Class#getConstructors() - * @see java.lang.Class#getDeclaredConstructors() - * @since 1.1 - * @status updated to 1.4 - */ -public final class Constructor<T> - extends AccessibleObject - implements GenericDeclaration, Member -{ - private Class<T> clazz; - private int slot; - - private static final int CONSTRUCTOR_MODIFIERS - = Modifier.PRIVATE | Modifier.PROTECTED | Modifier.PUBLIC; - - /** - * This class is uninstantiable except from native code. - */ - private Constructor(Class declaringClass,int slot) - { - this.clazz = declaringClass; - this.slot = slot; - } - - private Constructor() - { - } - - /** - * Gets the class that declared this constructor. - * @return the class that declared this member - */ - public Class<T> getDeclaringClass() - { - return clazz; - } - - /** - * Gets the name of this constructor (the non-qualified name of the class - * it was declared in). - * @return the name of this constructor - */ - public String getName() - { - return getDeclaringClass().getName(); - } - - /** - * Return the raw modifiers for this constructor. In particular - * this will include the synthetic and varargs bits. - * @return the constructor's modifiers - */ - private native int getModifiersInternal(); - - /** - * Gets the modifiers this constructor uses. Use the <code>Modifier</code> - * class to interpret the values. A constructor can only have a subset of the - * following modifiers: public, private, protected. - * - * @return an integer representing the modifiers to this Member - * @see Modifier - */ - public int getModifiers() - { - return getModifiersInternal() & CONSTRUCTOR_MODIFIERS; - } - - /** - * Return true if this constructor is synthetic, false otherwise. - * A synthetic member is one which is created by the compiler, - * and which does not appear in the user's source code. - * @since 1.5 - */ - public boolean isSynthetic() - { - return (getModifiersInternal() & Modifier.SYNTHETIC) != 0; - } - - /** - * Return true if this is a varargs constructor, that is if - * the constructor takes a variable number of arguments. - * @since 1.5 - */ - public boolean isVarArgs() - { - return (getModifiersInternal() & Modifier.VARARGS) != 0; - } - - /** - * Get the parameter list for this constructor, in declaration order. If the - * constructor takes no parameters, returns a 0-length array (not null). - * - * @return a list of the types of the constructor's parameters - */ - public native Class<?>[] getParameterTypes(); - - /** - * Get the exception types this constructor says it throws, in no particular - * order. If the constructor has no throws clause, returns a 0-length array - * (not null). - * - * @return a list of the types in the constructor's throws clause - */ - public native Class<?>[] getExceptionTypes(); - - /** - * Compare two objects to see if they are semantically equivalent. - * Two Constructors are semantically equivalent if they have the same - * declaring class and the same parameter list. This ignores different - * exception clauses, but since you can't create a Method except through the - * VM, this is just the == relation. - * - * @param o the object to compare to - * @return <code>true</code> if they are equal; <code>false</code> if not. - */ - public boolean equals(Object o) - { - if (!(o instanceof Constructor)) - return false; - Constructor that = (Constructor)o; - if (this.getDeclaringClass() != that.getDeclaringClass()) - return false; - if (!Arrays.equals(this.getParameterTypes(), that.getParameterTypes())) - return false; - return true; - } - - /** - * Get the hash code for the Constructor. The Constructor hash code is the - * hash code of the declaring class's name. - * - * @return the hash code for the object - */ - public int hashCode() - { - return getDeclaringClass().getName().hashCode(); - } - - /** - * Get a String representation of the Constructor. A Constructor's String - * representation is "<modifier> <classname>(<paramtypes>) - * throws <exceptions>", where everything after ')' is omitted if - * there are no exceptions.<br> Example: - * <code>public java.io.FileInputStream(java.lang.Runnable) - * throws java.io.FileNotFoundException</code> - * - * @return the String representation of the Constructor - */ - public String toString() - { - // 128 is a reasonable buffer initial size for constructor - StringBuilder sb = new StringBuilder(128); - Modifier.toString(getModifiers(), sb).append(' '); - sb.append(getDeclaringClass().getName()).append('('); - Class[] c = getParameterTypes(); - if (c.length > 0) - { - sb.append(ClassHelper.getUserName(c[0])); - for (int i = 1; i < c.length; i++) - sb.append(',').append(ClassHelper.getUserName(c[i])); - } - sb.append(')'); - c = getExceptionTypes(); - if (c.length > 0) - { - sb.append(" throws ").append(c[0].getName()); - for (int i = 1; i < c.length; i++) - sb.append(',').append(c[i].getName()); - } - return sb.toString(); - } - - static <X extends GenericDeclaration> - void addTypeParameters(StringBuilder sb, TypeVariable<X>[] typeArgs) - { - if (typeArgs.length == 0) - return; - sb.append('<'); - for (int i = 0; i < typeArgs.length; ++i) - { - if (i > 0) - sb.append(','); - sb.append(typeArgs[i]); - } - sb.append("> "); - } - - public String toGenericString() - { - StringBuilder sb = new StringBuilder(128); - Modifier.toString(getModifiers(), sb).append(' '); - addTypeParameters(sb, getTypeParameters()); - sb.append(getDeclaringClass().getName()).append('('); - Type[] types = getGenericParameterTypes(); - if (types.length > 0) - { - sb.append(types[0]); - for (int i = 1; i < types.length; ++i) - sb.append(',').append(types[i]); - } - sb.append(')'); - types = getGenericExceptionTypes(); - if (types.length > 0) - { - sb.append(" throws ").append(types[0]); - for (int i = 1; i < types.length; i++) - sb.append(',').append(types[i]); - } - return sb.toString(); - } - - /** - * Create a new instance by invoking the constructor. Arguments are - * automatically unwrapped and widened, if needed.<p> - * - * If this class is abstract, you will get an - * <code>InstantiationException</code>. If the constructor takes 0 - * arguments, you may use null or a 0-length array for <code>args</code>.<p> - * - * If this Constructor enforces access control, your runtime context is - * evaluated, and you may have an <code>IllegalAccessException</code> if - * you could not create this object in similar compiled code. If the class - * is uninitialized, you trigger class initialization, which may end in a - * <code>ExceptionInInitializerError</code>.<p> - * - * Then, the constructor is invoked. If it completes normally, the return - * value will be the new object. If it completes abruptly, the exception is - * wrapped in an <code>InvocationTargetException</code>. - * - * @param args the arguments to the constructor - * @return the newly created object - * @throws IllegalAccessException if the constructor could not normally be - * called by the Java code (i.e. it is not public) - * @throws IllegalArgumentException if the number of arguments is incorrect; - * or if the arguments types are wrong even with a widening - * conversion - * @throws InstantiationException if the class is abstract - * @throws InvocationTargetException if the constructor throws an exception - * @throws ExceptionInInitializerError if construction triggered class - * initialization, which then failed - */ - public T newInstance(Object... args) - throws InstantiationException, IllegalAccessException, - InvocationTargetException - { - return constructNative(args, clazz, slot); - } - - private native T constructNative(Object[] args, Class declaringClass, - int slot) - throws InstantiationException, IllegalAccessException, - InvocationTargetException; - - /** - * Returns an array of <code>TypeVariable</code> objects that represents - * the type variables declared by this constructor, in declaration order. - * An array of size zero is returned if this constructor has no type - * variables. - * - * @return the type variables associated with this constructor. - * @throws GenericSignatureFormatError if the generic signature does - * not conform to the format specified in the Virtual Machine - * specification, version 3. - * @since 1.5 - */ - public TypeVariable<Constructor<T>>[] getTypeParameters() - { - String sig = getSignature(); - if (sig == null) - return new TypeVariable[0]; - MethodSignatureParser p = new MethodSignatureParser(this, sig); - return p.getTypeParameters(); - } - - /** - * Return the String in the Signature attribute for this constructor. If there - * is no Signature attribute, return null. - */ - private native String getSignature(); - - /** - * Returns an array of <code>Type</code> objects that represents - * the exception types declared by this constructor, in declaration order. - * An array of size zero is returned if this constructor declares no - * exceptions. - * - * @return the exception types declared by this constructor. - * @throws GenericSignatureFormatError if the generic signature does - * not conform to the format specified in the Virtual Machine - * specification, version 3. - * @since 1.5 - */ - public Type[] getGenericExceptionTypes() - { - String sig = getSignature(); - if (sig == null) - return getExceptionTypes(); - MethodSignatureParser p = new MethodSignatureParser(this, sig); - return p.getGenericExceptionTypes(); - } - - /** - * Returns an array of <code>Type</code> objects that represents - * the parameter list for this constructor, in declaration order. - * An array of size zero is returned if this constructor takes no - * parameters. - * - * @return a list of the types of the constructor's parameters - * @throws GenericSignatureFormatError if the generic signature does - * not conform to the format specified in the Virtual Machine - * specification, version 3. - * @since 1.5 - */ - public Type[] getGenericParameterTypes() - { - String sig = getSignature(); - if (sig == null) - return getParameterTypes(); - MethodSignatureParser p = new MethodSignatureParser(this, sig); - return p.getGenericParameterTypes(); - } - - /** - * <p> - * Return an array of arrays representing the annotations on each - * of the constructor's parameters. The outer array is aligned against - * the parameters of the constructors and is thus equal in length to - * the number of parameters (thus having a length zero if there are none). - * Each array element in the outer array contains an inner array which - * holds the annotations. This array has a length of zero if the parameter - * has no annotations. - * </p> - * <p> - * The returned annotations are serialized. Changing the annotations has - * no affect on the return value of future calls to this method. - * </p> - * - * @return an array of arrays which represents the annotations used on the - * parameters of this constructor. The order of the array elements - * matches the declaration order of the parameters. - * @since 1.5 - */ - public native Annotation[][] getParameterAnnotations(); - -} diff --git a/libjava/classpath/vm/reference/java/lang/reflect/Method.java b/libjava/classpath/vm/reference/java/lang/reflect/Method.java deleted file mode 100644 index d797d4f..0000000 --- a/libjava/classpath/vm/reference/java/lang/reflect/Method.java +++ /dev/null @@ -1,489 +0,0 @@ -/* java.lang.reflect.Method - reflection of Java methods - Copyright (C) 1998, 2001, 2002, 2005, 2007 Free Software Foundation, Inc. - -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., 51 Franklin Street, Fifth Floor, Boston, MA -02110-1301 USA. - -Linking this library statically or dynamically with other modules is -making a combined work based on this library. Thus, the terms and -conditions of the GNU General Public License cover the whole -combination. - -As a special exception, the copyright holders of this library give you -permission to link this library with independent modules to produce an -executable, regardless of the license terms of these independent -modules, and to copy and distribute the resulting executable under -terms of your choice, provided that you also meet, for each linked -independent module, the terms and conditions of the license of that -module. An independent module is a module which is not derived from -or based on this library. If you modify this library, you may extend -this exception to your version of the library, but you are not -obligated to do so. If you do not wish to do so, delete this -exception statement from your version. */ - - -package java.lang.reflect; - -import gnu.java.lang.ClassHelper; - -import gnu.java.lang.reflect.MethodSignatureParser; - -import java.lang.annotation.Annotation; -import java.util.Arrays; - -/** - * The Method class represents a member method of a class. It also allows - * dynamic invocation, via reflection. This works for both static and - * instance methods. Invocation on Method objects knows how to do - * widening conversions, but throws {@link IllegalArgumentException} if - * a narrowing conversion would be necessary. You can query for information - * on this Method regardless of location, but invocation access may be limited - * by Java language access controls. If you can't do it in the compiler, you - * can't normally do it here either.<p> - * - * <B>Note:</B> This class returns and accepts types as Classes, even - * primitive types; there are Class types defined that represent each - * different primitive type. They are <code>java.lang.Boolean.TYPE, - * java.lang.Byte.TYPE,</code>, also available as <code>boolean.class, - * byte.class</code>, etc. These are not to be confused with the - * classes <code>java.lang.Boolean, java.lang.Byte</code>, etc., which are - * real classes.<p> - * - * Also note that this is not a serializable class. It is entirely feasible - * to make it serializable using the Externalizable interface, but this is - * on Sun, not me. - * - * @author John Keiser - * @author Eric Blake <ebb9@email.byu.edu> - * @see Member - * @see Class - * @see java.lang.Class#getMethod(String,Class[]) - * @see java.lang.Class#getDeclaredMethod(String,Class[]) - * @see java.lang.Class#getMethods() - * @see java.lang.Class#getDeclaredMethods() - * @since 1.1 - * @status updated to 1.4 - */ -public final class Method -extends AccessibleObject implements Member, GenericDeclaration -{ - Class declaringClass; - String name; - int slot; - - private static final int METHOD_MODIFIERS - = Modifier.ABSTRACT | Modifier.FINAL | Modifier.NATIVE - | Modifier.PRIVATE | Modifier.PROTECTED | Modifier.PUBLIC - | Modifier.STATIC | Modifier.STRICT | Modifier.SYNCHRONIZED; - - /** - * This class is uninstantiable. - */ - private Method(Class declaringClass, String name, int slot) - { - this.declaringClass = declaringClass; - this.name = name; - this.slot = slot; - } - - /** - * Gets the class that declared this method, or the class where this method - * is a non-inherited member. - * @return the class that declared this member - */ - public Class<?> getDeclaringClass() - { - return declaringClass; - } - - /** - * Gets the name of this method. - * @return the name of this method - */ - public String getName() - { - return name; - } - - /** - * Return the raw modifiers for this method. - * @return the method's modifiers - */ - private native int getModifiersInternal(); - - /** - * Gets the modifiers this method uses. Use the <code>Modifier</code> - * class to interpret the values. A method can only have a subset of the - * following modifiers: public, private, protected, abstract, static, - * final, synchronized, native, and strictfp. - * - * @return an integer representing the modifiers to this Member - * @see Modifier - */ - public int getModifiers() - { - return getModifiersInternal() & METHOD_MODIFIERS; - } - - /** - * Return true if this method is a bridge method. A bridge method - * is generated by the compiler in some situations involving - * generics and inheritance. - * @since 1.5 - */ - public boolean isBridge() - { - return (getModifiersInternal() & Modifier.BRIDGE) != 0; - } - - /** - * Return true if this method is synthetic, false otherwise. - * @since 1.5 - */ - public boolean isSynthetic() - { - return (getModifiersInternal() & Modifier.SYNTHETIC) != 0; - } - - /** - * Return true if this is a varargs method, that is if - * the method takes a variable number of arguments. - * @since 1.5 - */ - public boolean isVarArgs() - { - return (getModifiersInternal() & Modifier.VARARGS) != 0; - } - - /** - * Gets the return type of this method. - * @return the type of this method - */ - public native Class<?> getReturnType(); - - /** - * Get the parameter list for this method, in declaration order. If the - * method takes no parameters, returns a 0-length array (not null). - * - * @return a list of the types of the method's parameters - */ - public native Class<?>[] getParameterTypes(); - - /** - * Get the exception types this method says it throws, in no particular - * order. If the method has no throws clause, returns a 0-length array - * (not null). - * - * @return a list of the types in the method's throws clause - */ - public native Class<?>[] getExceptionTypes(); - - /** - * Compare two objects to see if they are semantically equivalent. - * Two Methods are semantically equivalent if they have the same declaring - * class, name, parameter list, and return type. - * - * @param o the object to compare to - * @return <code>true</code> if they are equal; <code>false</code> if not - */ - public boolean equals(Object o) - { - // Implementation note: - // The following is a correct but possibly slow implementation. - // - // This class has a private field 'slot' that could be used by - // the VM implementation to "link" a particular method to a Class. - // In that case equals could be simply implemented as: - // - // if (o instanceof Method) - // { - // Method m = (Method)o; - // return m.declaringClass == this.declaringClass - // && m.slot == this.slot; - // } - // return false; - // - // If a VM uses the Method class as their native/internal representation - // then just using the following would be optimal: - // - // return this == o; - // - if (!(o instanceof Method)) - return false; - Method that = (Method)o; - if (this.getDeclaringClass() != that.getDeclaringClass()) - return false; - if (!this.getName().equals(that.getName())) - return false; - if (this.getReturnType() != that.getReturnType()) - return false; - if (!Arrays.equals(this.getParameterTypes(), that.getParameterTypes())) - return false; - return true; - } - - /** - * Get the hash code for the Method. The Method hash code is the hash code - * of its name XOR'd with the hash code of its class name. - * - * @return the hash code for the object - */ - public int hashCode() - { - return getDeclaringClass().getName().hashCode() ^ getName().hashCode(); - } - - /** - * Get a String representation of the Method. A Method's String - * representation is "<modifiers> <returntype> - * <methodname>(<paramtypes>) throws <exceptions>", where - * everything after ')' is omitted if there are no exceptions.<br> Example: - * <code>public static int run(java.lang.Runnable,int)</code> - * - * @return the String representation of the Method - */ - public String toString() - { - // 128 is a reasonable buffer initial size for constructor - StringBuilder sb = new StringBuilder(128); - Modifier.toString(getModifiers(), sb).append(' '); - sb.append(ClassHelper.getUserName(getReturnType())).append(' '); - sb.append(getDeclaringClass().getName()).append('.'); - sb.append(getName()).append('('); - Class[] c = getParameterTypes(); - if (c.length > 0) - { - sb.append(ClassHelper.getUserName(c[0])); - for (int i = 1; i < c.length; i++) - sb.append(',').append(ClassHelper.getUserName(c[i])); - } - sb.append(')'); - c = getExceptionTypes(); - if (c.length > 0) - { - sb.append(" throws ").append(c[0].getName()); - for (int i = 1; i < c.length; i++) - sb.append(',').append(c[i].getName()); - } - return sb.toString(); - } - - public String toGenericString() - { - // 128 is a reasonable buffer initial size for constructor - StringBuilder sb = new StringBuilder(128); - Modifier.toString(getModifiers(), sb).append(' '); - Constructor.addTypeParameters(sb, getTypeParameters()); - sb.append(getGenericReturnType()).append(' '); - sb.append(getDeclaringClass().getName()).append('.'); - sb.append(getName()).append('('); - Type[] types = getGenericParameterTypes(); - if (types.length > 0) - { - sb.append(types[0]); - for (int i = 1; i < types.length; i++) - sb.append(',').append(types[i]); - } - sb.append(')'); - types = getGenericExceptionTypes(); - if (types.length > 0) - { - sb.append(" throws ").append(types[0]); - for (int i = 1; i < types.length; i++) - sb.append(',').append(types[i]); - } - return sb.toString(); - } - - /** - * Invoke the method. Arguments are automatically unwrapped and widened, - * and the result is automatically wrapped, if needed.<p> - * - * If the method is static, <code>o</code> will be ignored. Otherwise, - * the method uses dynamic lookup as described in JLS 15.12.4.4. You cannot - * mimic the behavior of nonvirtual lookup (as in super.foo()). This means - * you will get a <code>NullPointerException</code> if <code>o</code> is - * null, and an <code>IllegalArgumentException</code> if it is incompatible - * with the declaring class of the method. If the method takes 0 arguments, - * you may use null or a 0-length array for <code>args</code>.<p> - * - * Next, if this Method enforces access control, your runtime context is - * evaluated, and you may have an <code>IllegalAccessException</code> if - * you could not acces this method in similar compiled code. If the method - * is static, and its class is uninitialized, you trigger class - * initialization, which may end in a - * <code>ExceptionInInitializerError</code>.<p> - * - * Finally, the method is invoked. If it completes normally, the return value - * will be null for a void method, a wrapped object for a primitive return - * method, or the actual return of an Object method. If it completes - * abruptly, the exception is wrapped in an - * <code>InvocationTargetException</code>. - * - * @param o the object to invoke the method on - * @param args the arguments to the method - * @return the return value of the method, wrapped in the appropriate - * wrapper if it is primitive - * @throws IllegalAccessException if the method could not normally be called - * by the Java code (i.e. it is not public) - * @throws IllegalArgumentException if the number of arguments is incorrect; - * if the arguments types are wrong even with a widening conversion; - * or if <code>o</code> is not an instance of the class or interface - * declaring this method - * @throws InvocationTargetException if the method throws an exception - * @throws NullPointerException if <code>o</code> is null and this field - * requires an instance - * @throws ExceptionInInitializerError if accessing a static method triggered - * class initialization, which then failed - */ - public Object invoke(Object o, Object... args) - throws IllegalAccessException, InvocationTargetException - { - return invokeNative(o, args, declaringClass, slot); - } - - /* - * NATIVE HELPERS - */ - - private native Object invokeNative(Object o, Object[] args, - Class declaringClass, int slot) - throws IllegalAccessException, InvocationTargetException; - - /** - * Returns an array of <code>TypeVariable</code> objects that represents - * the type variables declared by this constructor, in declaration order. - * An array of size zero is returned if this class has no type - * variables. - * - * @return the type variables associated with this class. - * @throws GenericSignatureFormatError if the generic signature does - * not conform to the format specified in the Virtual Machine - * specification, version 3. - * @since 1.5 - */ - public TypeVariable<Method>[] getTypeParameters() - { - String sig = getSignature(); - if (sig == null) - return new TypeVariable[0]; - MethodSignatureParser p = new MethodSignatureParser(this, sig); - return p.getTypeParameters(); - } - - /** - * Return the String in the Signature attribute for this method. If there - * is no Signature attribute, return null. - */ - private native String getSignature(); - - /** - * Returns an array of <code>Type</code> objects that represents - * the exception types declared by this method, in declaration order. - * An array of size zero is returned if this method declares no - * exceptions. - * - * @return the exception types declared by this method. - * @throws GenericSignatureFormatError if the generic signature does - * not conform to the format specified in the Virtual Machine - * specification, version 3. - * @since 1.5 - */ - public Type[] getGenericExceptionTypes() - { - String sig = getSignature(); - if (sig == null) - return getExceptionTypes(); - MethodSignatureParser p = new MethodSignatureParser(this, sig); - return p.getGenericExceptionTypes(); - } - - /** - * Returns an array of <code>Type</code> objects that represents - * the parameter list for this method, in declaration order. - * An array of size zero is returned if this method takes no - * parameters. - * - * @return a list of the types of the method's parameters - * @throws GenericSignatureFormatError if the generic signature does - * not conform to the format specified in the Virtual Machine - * specification, version 3. - * @since 1.5 - */ - public Type[] getGenericParameterTypes() - { - String sig = getSignature(); - if (sig == null) - return getParameterTypes(); - MethodSignatureParser p = new MethodSignatureParser(this, sig); - return p.getGenericParameterTypes(); - } - - /** - * Returns the return type of this method. - * - * @return the return type of this method - * @throws GenericSignatureFormatError if the generic signature does - * not conform to the format specified in the Virtual Machine - * specification, version 3. - * @since 1.5 - */ - public Type getGenericReturnType() - { - String sig = getSignature(); - if (sig == null) - return getReturnType(); - MethodSignatureParser p = new MethodSignatureParser(this, sig); - return p.getGenericReturnType(); - } - - /** - * If this method is an annotation method, returns the default - * value for the method. If there is no default value, or if the - * method is not a member of an annotation type, returns null. - * Primitive types are wrapped. - * - * @throws TypeNotPresentException if the method returns a Class, - * and the class cannot be found - * - * @since 1.5 - */ - public native Object getDefaultValue(); - - /** - * <p> - * Return an array of arrays representing the annotations on each - * of the method's parameters. The outer array is aligned against - * the parameters of the method and is thus equal in length to - * the number of parameters (thus having a length zero if there are none). - * Each array element in the outer array contains an inner array which - * holds the annotations. This array has a length of zero if the parameter - * has no annotations. - * </p> - * <p> - * The returned annotations are serialized. Changing the annotations has - * no affect on the return value of future calls to this method. - * </p> - * - * @return an array of arrays which represents the annotations used on the - * parameters of this method. The order of the array elements - * matches the declaration order of the parameters. - * @since 1.5 - */ - public native Annotation[][] getParameterAnnotations(); - -} diff --git a/libjava/classpath/vm/reference/java/lang/reflect/VMConstructor.java b/libjava/classpath/vm/reference/java/lang/reflect/VMConstructor.java new file mode 100644 index 0000000..dbed903 --- /dev/null +++ b/libjava/classpath/vm/reference/java/lang/reflect/VMConstructor.java @@ -0,0 +1,169 @@ +/* java.lang.reflect.VMConstructor - VM interface for reflection of Java constructors + Copyright (C) 1998, 2001, 2004, 2005 Free Software Foundation, Inc. + +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., 51 Franklin Street, Fifth Floor, Boston, MA +02110-1301 USA. + +Linking this library statically or dynamically with other modules is +making a combined work based on this library. Thus, the terms and +conditions of the GNU General Public License cover the whole +combination. + +As a special exception, the copyright holders of this library give you +permission to link this library with independent modules to produce an +executable, regardless of the license terms of these independent +modules, and to copy and distribute the resulting executable under +terms of your choice, provided that you also meet, for each linked +independent module, the terms and conditions of the license of that +module. An independent module is a module which is not derived from +or based on this library. If you modify this library, you may extend +this exception to your version of the library, but you are not +obligated to do so. If you do not wish to do so, delete this +exception statement from your version. */ + + +package java.lang.reflect; + +import java.lang.annotation.Annotation; + +import java.util.Arrays; + +final class VMConstructor +{ + Class clazz; + int slot; + + /** + * This field allows us to refer back to the main constructor instance. + * It is set by the constructor of Constructor. + */ + Constructor cons; + + VMConstructor(Class clazz, int slot) + { + this.clazz = clazz; + this.slot = slot; + } + + public Class getDeclaringClass() + { + return clazz; + } + + /** + * Return the raw modifiers for this constructor. In particular + * this will include the synthetic and varargs bits. + * @return the constructor's modifiers + */ + native int getModifiersInternal(); + + /** + * Get the parameter list for this constructor, in declaration order. If the + * constructor takes no parameters, returns a 0-length array (not null). + * + * @return a list of the types of the constructor's parameters + */ + native Class[] getParameterTypes(); + + /** + * Get the exception types this constructor says it throws, in no particular + * order. If the constructor has no throws clause, returns a 0-length array + * (not null). + * + * @return a list of the types in the constructor's throws clause + */ + native Class[] getExceptionTypes(); + + native Object construct(Object[] args) + throws InstantiationException, IllegalAccessException, + InvocationTargetException; + + /** + * Return the String in the Signature attribute for this constructor. If there + * is no Signature attribute, return null. + */ + native String getSignature(); + + /** + * <p> + * Return an array of arrays representing the annotations on each + * of the constructor's parameters. The outer array is aligned against + * the parameters of the constructors and is thus equal in length to + * the number of parameters (thus having a length zero if there are none). + * Each array element in the outer array contains an inner array which + * holds the annotations. This array has a length of zero if the parameter + * has no annotations. + * </p> + * <p> + * The returned annotations are serialized. Changing the annotations has + * no affect on the return value of future calls to this method. + * </p> + * + * @return an array of arrays which represents the annotations used on the + * parameters of this constructor. The order of the array elements + * matches the declaration order of the parameters. + * @since 1.5 + */ + native Annotation[][] getParameterAnnotations(); + + /** + * Compare two objects to see if they are semantically equivalent. + * Two Constructors are semantically equivalent if they have the same + * declaring class and the same parameter list. This ignores different + * exception clauses, but since you can't create a Method except through the + * VM, this is just the == relation. + * + * @param o the object to compare to + * @return <code>true</code> if they are equal; <code>false</code> if not. + */ + public boolean equals(Object o) + { + if (!(o instanceof Constructor)) + return false; + Constructor that = (Constructor)o; + if (clazz != that.getDeclaringClass()) + return false; + if (!Arrays.equals(getParameterTypes(), that.getParameterTypes())) + return false; + return true; + } + + /** + * Returns the element's annotation for the specified annotation type, + * or <code>null</code> if no such annotation exists. + * + * @param annotationClass the type of annotation to look for. + * @return this element's annotation for the specified type, or + * <code>null</code> if no such annotation exists. + * @throws NullPointerException if the annotation class is <code>null</code>. + */ + native Annotation getAnnotation(Class annotationClass); + + /** + * Returns all annotations directly defined by the element. If there are + * no annotations directly associated with the element, then a zero-length + * array will be returned. The returned array may be modified by the client + * code, but this will have no effect on the annotation content of this + * class, and hence no effect on the return value of this method for + * future callers. + * + * @return the annotations directly defined by the element. + * @since 1.5 + */ + native Annotation[] getDeclaredAnnotations(); + +} diff --git a/libjava/classpath/vm/reference/java/lang/reflect/Field.java b/libjava/classpath/vm/reference/java/lang/reflect/VMField.java index 5db1fa3..53f3847 100644 --- a/libjava/classpath/vm/reference/java/lang/reflect/Field.java +++ b/libjava/classpath/vm/reference/java/lang/reflect/VMField.java @@ -1,5 +1,5 @@ -/* java.lang.reflect.Field - reflection of Java fields - Copyright (C) 1998, 2001, 2005 Free Software Foundation, Inc. +/* java.lang.reflect.Field - VM interface for reflection of Java fields + Copyright (C) 1998, 2001, 2005, 2008 Free Software Foundation, Inc. This file is part of GNU Classpath. @@ -38,79 +38,32 @@ exception statement from your version. */ package java.lang.reflect; -import gnu.java.lang.ClassHelper; - -import gnu.java.lang.reflect.FieldSignatureParser; - -/** - * The Field class represents a member variable of a class. It also allows - * dynamic access to a member, via reflection. This works for both - * static and instance fields. Operations on Field objects know how to - * do widening conversions, but throw {@link IllegalArgumentException} if - * a narrowing conversion would be necessary. You can query for information - * on this Field regardless of location, but get and set access may be limited - * by Java language access controls. If you can't do it in the compiler, you - * can't normally do it here either.<p> - * - * <B>Note:</B> This class returns and accepts types as Classes, even - * primitive types; there are Class types defined that represent each - * different primitive type. They are <code>java.lang.Boolean.TYPE, - * java.lang.Byte.TYPE,</code>, also available as <code>boolean.class, - * byte.class</code>, etc. These are not to be confused with the - * classes <code>java.lang.Boolean, java.lang.Byte</code>, etc., which are - * real classes.<p> - * - * Also note that this is not a serializable class. It is entirely feasible - * to make it serializable using the Externalizable interface, but this is - * on Sun, not me. - * - * @author John Keiser - * @author Eric Blake <ebb9@email.byu.edu> - * @see Member - * @see Class - * @see Class#getField(String) - * @see Class#getDeclaredField(String) - * @see Class#getFields() - * @see Class#getDeclaredFields() - * @since 1.1 - * @status updated to 1.4 - */ -public final class Field -extends AccessibleObject implements Member -{ - private Class declaringClass; - private String name; - private int slot; - - private static final int FIELD_MODIFIERS - = Modifier.FINAL | Modifier.PRIVATE | Modifier.PROTECTED - | Modifier.PUBLIC | Modifier.STATIC | Modifier.TRANSIENT - | Modifier.VOLATILE; +import java.lang.annotation.Annotation; - /** - * This class is uninstantiable except natively. +final class VMField +{ + Class clazz; + String name; + int slot; + + /** + * This field allows us to refer back to the main constructor instance. + * It is set by the constructor of Field. */ - private Field(Class declaringClass, String name, int slot) + Field f; + + VMField(Class clazz, String name, int slot) { - this.declaringClass = declaringClass; + this.clazz = clazz; this.name = name; this.slot = slot; } - /** - * Gets the class that declared this field, or the class where this field - * is a non-inherited member. - * @return the class that declared this member - */ - public Class<?> getDeclaringClass() + public Class getDeclaringClass() { - return declaringClass; + return clazz; } - /** - * Gets the name of this field. - * @return the name of this field - */ public String getName() { return name; @@ -120,109 +73,13 @@ extends AccessibleObject implements Member * Return the raw modifiers for this field. * @return the field's modifiers */ - private native int getModifiersInternal(); - - /** - * Gets the modifiers this field uses. Use the <code>Modifier</code> - * class to interpret the values. A field can only have a subset of the - * following modifiers: public, private, protected, static, final, - * transient, and volatile. - * - * @return an integer representing the modifiers to this Member - * @see Modifier - */ - public int getModifiers() - { - return getModifiersInternal() & FIELD_MODIFIERS; - } - - /** - * Return true if this field is synthetic, false otherwise. - * @since 1.5 - */ - public boolean isSynthetic() - { - return (getModifiersInternal() & Modifier.SYNTHETIC) != 0; - } - - /** - * Return true if this field represents an enum constant, - * false otherwise. - * @since 1.5 - */ - public boolean isEnumConstant() - { - return (getModifiersInternal() & Modifier.ENUM) != 0; - } + native int getModifiersInternal(); /** * Gets the type of this field. * @return the type of this field */ - public native Class<?> getType(); - - /** - * Compare two objects to see if they are semantically equivalent. - * Two Fields are semantically equivalent if they have the same declaring - * class, name, and type. Since you can't creat a Field except through - * the VM, this is just the == relation. - * - * @param o the object to compare to - * @return <code>true</code> if they are equal; <code>false</code> if not - */ - public boolean equals(Object o) - { - if (!(o instanceof Field)) - return false; - Field that = (Field)o; - if (this.getDeclaringClass() != that.getDeclaringClass()) - return false; - if (!this.getName().equals(that.getName())) - return false; - if (this.getType() != that.getType()) - return false; - return true; - } - - /** - * Get the hash code for the Field. The Field hash code is the hash code - * of its name XOR'd with the hash code of its class name. - * - * @return the hash code for the object. - */ - public int hashCode() - { - return getDeclaringClass().getName().hashCode() ^ getName().hashCode(); - } - - /** - * Get a String representation of the Field. A Field's String - * representation is "<modifiers> <type> - * <class>.<fieldname>".<br> Example: - * <code>public transient boolean gnu.parse.Parser.parseComplete</code> - * - * @return the String representation of the Field - */ - public String toString() - { - // 64 is a reasonable buffer initial size for field - StringBuilder sb = new StringBuilder(64); - Modifier.toString(getModifiers(), sb).append(' '); - sb.append(ClassHelper.getUserName(getType())).append(' '); - sb.append(getDeclaringClass().getName()).append('.'); - sb.append(getName()); - return sb.toString(); - } - - public String toGenericString() - { - StringBuilder sb = new StringBuilder(64); - Modifier.toString(getModifiers(), sb).append(' '); - sb.append(getGenericType()).append(' '); - sb.append(getDeclaringClass().getName()).append('.'); - sb.append(getName()); - return sb.toString(); - } + native Class getType(); /** * Get the value of this Field. If it is primitive, it will be wrapped @@ -264,7 +121,7 @@ extends AccessibleObject implements Member * @see #getFloat(Object) * @see #getDouble(Object) */ - public native Object get(Object o) + native Object get(Object o) throws IllegalAccessException; /** @@ -284,7 +141,7 @@ extends AccessibleObject implements Member * class initialization, which then failed * @see #get(Object) */ - public native boolean getBoolean(Object o) + native boolean getBoolean(Object o) throws IllegalAccessException; /** @@ -304,13 +161,14 @@ extends AccessibleObject implements Member * class initialization, which then failed * @see #get(Object) */ - public native byte getByte(Object o) + native byte getByte(Object o) throws IllegalAccessException; /** * Get the value of this Field as a char. If the field is static, * <code>o</code> will be ignored. * + * @param o the object to get the value of this Field from * @throws IllegalAccessException if you could not normally access this field * (i.e. it is not public) * @throws IllegalArgumentException if this is not a char field of @@ -322,7 +180,7 @@ extends AccessibleObject implements Member * class initialization, which then failed * @see #get(Object) */ - public native char getChar(Object o) + native char getChar(Object o) throws IllegalAccessException; /** @@ -342,7 +200,7 @@ extends AccessibleObject implements Member * class initialization, which then failed * @see #get(Object) */ - public native short getShort(Object o) + native short getShort(Object o) throws IllegalAccessException; /** @@ -362,7 +220,7 @@ extends AccessibleObject implements Member * class initialization, which then failed * @see #get(Object) */ - public native int getInt(Object o) + native int getInt(Object o) throws IllegalAccessException; /** @@ -382,7 +240,7 @@ extends AccessibleObject implements Member * class initialization, which then failed * @see #get(Object) */ - public native long getLong(Object o) + native long getLong(Object o) throws IllegalAccessException; /** @@ -402,7 +260,7 @@ extends AccessibleObject implements Member * class initialization, which then failed * @see #get(Object) */ - public native float getFloat(Object o) + native float getFloat(Object o) throws IllegalAccessException; /** @@ -423,7 +281,7 @@ extends AccessibleObject implements Member * class initialization, which then failed * @see #get(Object) */ - public native double getDouble(Object o) + native double getDouble(Object o) throws IllegalAccessException; /** @@ -471,7 +329,7 @@ extends AccessibleObject implements Member * @see #setFloat(Object, float) * @see #setDouble(Object, double) */ - public native void set(Object o, Object value) + native void set(Object o, Object value) throws IllegalAccessException; /** @@ -491,7 +349,7 @@ extends AccessibleObject implements Member * class initialization, which then failed * @see #set(Object, Object) */ - public native void setBoolean(Object o, boolean value) + native void setBoolean(Object o, boolean value) throws IllegalAccessException; /** @@ -511,7 +369,7 @@ extends AccessibleObject implements Member * class initialization, which then failed * @see #set(Object, Object) */ - public native void setByte(Object o, byte value) + native void setByte(Object o, byte value) throws IllegalAccessException; /** @@ -531,7 +389,7 @@ extends AccessibleObject implements Member * class initialization, which then failed * @see #set(Object, Object) */ - public native void setChar(Object o, char value) + native void setChar(Object o, char value) throws IllegalAccessException; /** @@ -551,7 +409,7 @@ extends AccessibleObject implements Member * class initialization, which then failed * @see #set(Object, Object) */ - public native void setShort(Object o, short value) + native void setShort(Object o, short value) throws IllegalAccessException; /** @@ -571,7 +429,7 @@ extends AccessibleObject implements Member * class initialization, which then failed * @see #set(Object, Object) */ - public native void setInt(Object o, int value) + native void setInt(Object o, int value) throws IllegalAccessException; /** @@ -591,7 +449,7 @@ extends AccessibleObject implements Member * class initialization, which then failed * @see #set(Object, Object) */ - public native void setLong(Object o, long value) + native void setLong(Object o, long value) throws IllegalAccessException; /** @@ -611,7 +469,7 @@ extends AccessibleObject implements Member * class initialization, which then failed * @see #set(Object, Object) */ - public native void setFloat(Object o, float value) + native void setFloat(Object o, float value) throws IllegalAccessException; /** @@ -631,31 +489,61 @@ extends AccessibleObject implements Member * class initialization, which then failed * @see #set(Object, Object) */ - public native void setDouble(Object o, double value) + native void setDouble(Object o, double value) throws IllegalAccessException; /** - * Return the generic type of the field. If the field type is not a generic - * type, the method returns the same as <code>getType()</code>. + * Return the String in the Signature attribute for this field. If there + * is no Signature attribute, return null. * - * @throws GenericSignatureFormatError if the generic signature does - * not conform to the format specified in the Virtual Machine - * specification, version 3. - * @since 1.5 */ - public Type getGenericType() + native String getSignature(); + + /** + * Compare two objects to see if they are semantically equivalent. + * Two Fields are semantically equivalent if they have the same declaring + * class, name, and type. Since you can't create a Field except through + * the VM, this is just the == relation. + * + * @param o the object to compare to + * @return <code>true</code> if they are equal; <code>false</code> if not + */ + public boolean equals(Object o) { - String signature = getSignature(); - if (signature == null) - return getType(); - FieldSignatureParser p = new FieldSignatureParser(getDeclaringClass(), - signature); - return p.getFieldType(); + if (!(o instanceof Field)) + return false; + Field that = (Field)o; + if (clazz != that.getDeclaringClass()) + return false; + if (!name.equals(that.getName())) + return false; + if (getType() != that.getType()) + return false; + return true; } /** - * Return the String in the Signature attribute for this field. If there - * is no Signature attribute, return null. + * Returns the element's annotation for the specified annotation type, + * or <code>null</code> if no such annotation exists. + * + * @param annotationClass the type of annotation to look for. + * @return this element's annotation for the specified type, or + * <code>null</code> if no such annotation exists. + * @throws NullPointerException if the annotation class is <code>null</code>. */ - private native String getSignature(); + native Annotation getAnnotation(Class annotationClass); + + /** + * Returns all annotations directly defined by the element. If there are + * no annotations directly associated with the element, then a zero-length + * array will be returned. The returned array may be modified by the client + * code, but this will have no effect on the annotation content of this + * class, and hence no effect on the return value of this method for + * future callers. + * + * @return the annotations directly defined by the element. + * @since 1.5 + */ + native Annotation[] getDeclaredAnnotations(); + } diff --git a/libjava/classpath/vm/reference/java/lang/reflect/VMMethod.java b/libjava/classpath/vm/reference/java/lang/reflect/VMMethod.java new file mode 100644 index 0000000..f8574cd --- /dev/null +++ b/libjava/classpath/vm/reference/java/lang/reflect/VMMethod.java @@ -0,0 +1,209 @@ +/* java.lang.reflect.VMMethod - VM interface for reflection of Java methods + Copyright (C) 1998, 2001, 2002, 2005, 2007, 2008 Free Software Foundation, Inc. + +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., 51 Franklin Street, Fifth Floor, Boston, MA +02110-1301 USA. + +Linking this library statically or dynamically with other modules is +making a combined work based on this library. Thus, the terms and +conditions of the GNU General Public License cover the whole +combination. + +As a special exception, the copyright holders of this library give you +permission to link this library with independent modules to produce an +executable, regardless of the license terms of these independent +modules, and to copy and distribute the resulting executable under +terms of your choice, provided that you also meet, for each linked +independent module, the terms and conditions of the license of that +module. An independent module is a module which is not derived from +or based on this library. If you modify this library, you may extend +this exception to your version of the library, but you are not +obligated to do so. If you do not wish to do so, delete this +exception statement from your version. */ + + +package java.lang.reflect; + +import java.lang.annotation.Annotation; + +import java.util.Arrays; + +final class VMMethod +{ + Class clazz; + String name; + int slot; + + /** + * This field allows us to refer back to the main constructor instance. + * It is set by the constructor of Field. + */ + Method m; + + public Class getDeclaringClass() + { + return clazz; + } + + public String getName() + { + return name; + } + + /** + * Return the raw modifiers for this method. + * @return the method's modifiers + */ + native int getModifiersInternal(); + + /** + * Gets the return type of this method. + * @return the type of this method + */ + native Class getReturnType(); + + /** + * Get the parameter list for this method, in declaration order. If the + * method takes no parameters, returns a 0-length array (not null). + * + * @return a list of the types of the method's parameters + */ + native Class[] getParameterTypes(); + + /** + * Get the exception types this method says it throws, in no particular + * order. If the method has no throws clause, returns a 0-length array + * (not null). + * + * @return a list of the types in the method's throws clause + */ + native Class[] getExceptionTypes(); + + native Object invoke(Object o, Object[] args) + throws IllegalAccessException, InvocationTargetException; + + /** + * Return the String in the Signature attribute for this method. If there + * is no Signature attribute, return null. + */ + native String getSignature(); + + /** + * If this method is an annotation method, returns the default + * value for the method. If there is no default value, or if the + * method is not a member of an annotation type, returns null. + * Primitive types are wrapped. + * + * @throws TypeNotPresentException if the method returns a Class, + * and the class cannot be found + * + * @since 1.5 + */ + native Object getDefaultValue(); + + /** + * <p> + * Return an array of arrays representing the annotations on each + * of the method's parameters. The outer array is aligned against + * the parameters of the method and is thus equal in length to + * the number of parameters (thus having a length zero if there are none). + * Each array element in the outer array contains an inner array which + * holds the annotations. This array has a length of zero if the parameter + * has no annotations. + * </p> + * <p> + * The returned annotations are serialized. Changing the annotations has + * no affect on the return value of future calls to this method. + * </p> + * + * @return an array of arrays which represents the annotations used on the + * parameters of this method. The order of the array elements + * matches the declaration order of the parameters. + * @since 1.5 + */ + native Annotation[][] getParameterAnnotations(); + + /** + * Compare two objects to see if they are semantically equivalent. + * Two Methods are semantically equivalent if they have the same declaring + * class, name, parameter list, and return type. + * + * @param o the object to compare to + * @return <code>true</code> if they are equal; <code>false</code> if not + */ + public boolean equals(Object o) + { + // Implementation note: + // The following is a correct but possibly slow implementation. + // + // This class has a private field 'slot' that could be used by + // the VM implementation to "link" a particular method to a Class. + // In that case equals could be simply implemented as: + // + // if (o instanceof Method) + // { + // Method m = (Method)o; + // return m.declaringClass == this.declaringClass + // && m.slot == this.slot; + // } + // return false; + // + // If a VM uses the Method class as their native/internal representation + // then just using the following would be optimal: + // + // return this == o; + // + if (!(o instanceof Method)) + return false; + Method that = (Method)o; + if (clazz != that.getDeclaringClass()) + return false; + if (!name.equals(that.getName())) + return false; + if (getReturnType() != that.getReturnType()) + return false; + if (!Arrays.equals(getParameterTypes(), that.getParameterTypes())) + return false; + return true; + } + + /** + * Returns the element's annotation for the specified annotation type, + * or <code>null</code> if no such annotation exists. + * + * @param annotationClass the type of annotation to look for. + * @return this element's annotation for the specified type, or + * <code>null</code> if no such annotation exists. + * @throws NullPointerException if the annotation class is <code>null</code>. + */ + native Annotation getAnnotation(Class annotationClass); + + /** + * Returns all annotations directly defined by the element. If there are + * no annotations directly associated with the element, then a zero-length + * array will be returned. The returned array may be modified by the client + * code, but this will have no effect on the annotation content of this + * class, and hence no effect on the return value of this method for + * future callers. + * + * @return the annotations directly defined by the element. + * @since 1.5 + */ + native Annotation[] getDeclaredAnnotations(); + +} + diff --git a/libjava/classpath/vm/reference/java/net/VMNetworkInterface.java b/libjava/classpath/vm/reference/java/net/VMNetworkInterface.java index e28e616..63a29b1 100644 --- a/libjava/classpath/vm/reference/java/net/VMNetworkInterface.java +++ b/libjava/classpath/vm/reference/java/net/VMNetworkInterface.java @@ -1,5 +1,5 @@ /* VMNetworkInterface.java -- - Copyright (C) 2005 Free Software Foundation, Inc. + Copyright (C) 2005, 2008 Free Software Foundation, Inc. This file is part of GNU Classpath. @@ -57,12 +57,12 @@ import java.util.Set; final class VMNetworkInterface { String name; - Set<InetAddress> addresses; + Set addresses; VMNetworkInterface(String name) { this.name = name; - addresses = new HashSet<InetAddress>(); + addresses = new HashSet(); } /** @@ -71,7 +71,7 @@ final class VMNetworkInterface */ public VMNetworkInterface() { - addresses = new HashSet<InetAddress>(); + addresses = new HashSet(); try { addresses.add(InetAddress.getByName("0.0.0.0")); @@ -119,4 +119,13 @@ final class VMNetworkInterface else throw new SocketException("invalid interface address"); } + + static native boolean isUp(String name) throws SocketException; + + static native boolean isLoopback(String name) throws SocketException; + + static native boolean isPointToPoint(String name) throws SocketException; + + static native boolean supportsMulticast(String name) throws SocketException; + } |