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authorTom Tromey <tromey@redhat.com>2005-07-16 01:27:14 +0000
committerTom Tromey <tromey@gcc.gnu.org>2005-07-16 01:27:14 +0000
commitb0fa81eea9a270f23d6ad67ca7a6d25c18d20da1 (patch)
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parentea54b29342c8506acb4f858c68340c44b72e3532 (diff)
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Major merge with Classpath.
Removed many duplicate files. * HACKING: Updated.x * classpath: Imported new directory. * standard.omit: New file. * Makefile.in, aclocal.m4, configure: Rebuilt. * sources.am: New file. * configure.ac: Run Classpath configure script. Moved code around to support. Disable xlib AWT peers (temporarily). * Makefile.am (SUBDIRS): Added 'classpath' (JAVAC): Removed. (AM_CPPFLAGS): Added more -I options. (BOOTCLASSPATH): Simplified. Completely redid how sources are built. Include sources.am. * include/Makefile.am (tool_include__HEADERS): Removed jni.h. * include/jni.h: Removed (in Classpath). * scripts/classes.pl: Updated to look at built classes. * scripts/makemake.tcl: New file. * testsuite/libjava.jni/jni.exp (gcj_jni_compile_c_to_so): Added -I options. (gcj_jni_invocation_compile_c_to_binary): Likewise. From-SVN: r102082
Diffstat (limited to 'libjava/java/io/DataOutput.java')
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diff --git a/libjava/java/io/DataOutput.java b/libjava/java/io/DataOutput.java
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-/* DataOutput.java -- Interface for writing data from a stream
- Copyright (C) 1998, 1999, 2001, 2003, 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.io;
-
-/* Written using "Java Class Libraries", 2nd edition, ISBN 0-201-31002-3
- * "The Java Language Specification", ISBN 0-201-63451-1
- * Status: Complete to version 1.1.
- */
-
-/**
- * This interface is implemented by classes that can wrte data to streams
- * from Java primitive types. This data can subsequently be read back
- * by classes implementing the <code>DataInput</code> interface.
- *
- * @author Aaron M. Renn (arenn@urbanophile.com)
- * @author Tom Tromey (tromey@cygnus.com)
- *
- * @see DataInput
- */
-public interface DataOutput
-{
- /**
- * This method writes a Java boolean value to an output stream. If
- * <code>value</code> is <code>true</code>, a byte with the value of
- * 1 will be written, otherwise a byte with the value of 0 will be
- * written.
- *
- * The value written can be read using the <code>readBoolean</code>
- * method in <code>DataInput</code>.
- *
- * @param value The boolean value to write
- *
- * @exception IOException If an error occurs
- *
- * @see DataInput#readBoolean
- */
- void writeBoolean(boolean value) throws IOException;
-
- /**
- * This method writes a Java byte value to an output stream. The
- * byte to be written will be in the lowest 8 bits of the
- * <code>int</code> value passed.
- *
- * The value written can be read using the <code>readByte</code> or
- * <code>readUnsignedByte</code> methods in <code>DataInput</code>.
- *
- * @param value The int value to write
- *
- * @exception IOException If an error occurs
- *
- * @see DataInput#readByte
- * @see DataInput#readUnsignedByte
- */
- void writeByte(int value) throws IOException;
-
- /**
- * This method writes a Java char value to an output stream. The
- * char to be written will be in the lowest 16 bits of the <code>int</code>
- * value passed. These bytes will be written "big endian". That is,
- * with the high byte written first in the following manner:
- * <p>
- * <code>byte0 = (byte)((value & 0xFF00) >> 8);<br>
- * byte1 = (byte)(value & 0x00FF);</code>
- * <p>
- *
- * The value written can be read using the <code>readChar</code>
- * method in <code>DataInput</code>.
- *
- * @param value The char value to write
- *
- * @exception IOException If an error occurs
- *
- * @see DataInput#readChar
- */
- void writeChar(int value) throws IOException;
-
- /**
- * This method writes a Java short value to an output stream. The
- * char to be written will be in the lowest 16 bits of the <code>int</code>
- * value passed. These bytes will be written "big endian". That is,
- * with the high byte written first in the following manner:
- * <p>
- * <code>byte0 = (byte)((value & 0xFF00) >> 8);<br>
- * byte1 = (byte)(value & 0x00FF);</code>
- * <p>
- *
- * The value written can be read using the <code>readShort</code> and
- * <code>readUnsignedShort</code> methods in <code>DataInput</code>.
- *
- * @param value The int value to write as a 16-bit value
- *
- * @exception IOException If an error occurs
- *
- * @see DataInput#readShort
- * @see DataInput#readUnsignedShort
- */
- void writeShort(int value) throws IOException;
-
- /**
- * This method writes a Java int value to an output stream. The 4 bytes
- * of the passed value will be written "big endian". That is, with
- * the high byte written first in the following manner:
- * <p>
- * <code>byte0 = (byte)((value & 0xFF000000) >> 24);<br>
- * byte1 = (byte)((value & 0x00FF0000) >> 16);<br>
- * byte2 = (byte)((value & 0x0000FF00) >> 8);<br>
- * byte3 = (byte)(value & 0x000000FF);</code>
- * <p>
- *
- * The value written can be read using the <code>readInt</code>
- * method in <code>DataInput</code>.
- *
- * @param value The int value to write
- *
- * @exception IOException If an error occurs
- *
- * @see DataInput#readInt
- */
- void writeInt(int value) throws IOException;
-
- /**
- * This method writes a Java long value to an output stream. The 8 bytes
- * of the passed value will be written "big endian". That is, with
- * the high byte written first in the following manner:
- * <p>
- * <code>byte0 = (byte)((value & 0xFF00000000000000L) >> 56);<br>
- * byte1 = (byte)((value & 0x00FF000000000000L) >> 48);<br>
- * byte2 = (byte)((value & 0x0000FF0000000000L) >> 40);<br>
- * byte3 = (byte)((value & 0x000000FF00000000L) >> 32);<br>
- * byte4 = (byte)((value & 0x00000000FF000000L) >> 24);<br>
- * byte5 = (byte)((value & 0x0000000000FF0000L) >> 16);<br>
- * byte6 = (byte)((value & 0x000000000000FF00L) >> 8);<br>
- * byte7 = (byte)(value & 0x00000000000000FFL);</code>
- * <p>
- *
- * The value written can be read using the <code>readLong</code>
- * method in <code>DataInput</code>.
- *
- * @param value The long value to write
- *
- * @exception IOException If an error occurs
- *
- * @see DataInput#readLong
- */
- void writeLong(long value) throws IOException;
-
- /**
- * This method writes a Java <code>float</code> value to the stream. This
- * value is written by first calling the method
- * <code>Float.floatToIntBits</code>
- * to retrieve an <code>int</code> representing the floating point number,
- * then writing this <code>int</code> value to the stream exactly the same
- * as the <code>writeInt()</code> method does.
- *
- * The value written can be read using the <code>readFloat</code>
- * method in <code>DataInput</code>.
- *
- * @param value The float value to write
- *
- * @exception IOException If an error occurs
- *
- * @see writeInt
- * @see DataInput#readFloat
- * @see Float#floatToIntBits
- */
- void writeFloat(float value) throws IOException;
-
- /**
- * This method writes a Java <code>double</code> value to the stream. This
- * value is written by first calling the method
- * <code>Double.doubleToLongBits</code>
- * to retrieve an <code>long</code> representing the floating point number,
- * then writing this <code>long</code> value to the stream exactly the same
- * as the <code>writeLong()</code> method does.
- *
- * The value written can be read using the <code>readDouble</code>
- * method in <code>DataInput</code>.
- *
- * @param value The double value to write
- *
- * @exception IOException If any other error occurs
- *
- * @see writeLong
- * @see DataInput#readDouble
- * @see Double#doubleToLongBits
- */
- void writeDouble(double value) throws IOException;
-
- /**
- * This method writes all the bytes in a <code>String</code> out to the
- * stream. One byte is written for each character in the
- * <code>String</code>.
- * The high eight bits of each character are discarded, thus this
- * method is inappropriate for completely representing Unicode characters.
- *
- * @param value The <code>String</code> to write
- *
- * @exception IOException If an error occurs
- */
- void writeBytes(String value) throws IOException;
-
- /**
- * This method writes all the characters of a <code>String</code> to an
- * output stream as an array of <code>char</code>'s. Each character
- * is written using the method specified in the <code>writeChar</code>
- * method.
- *
- * @param value The String to write
- *
- * @exception IOException If an error occurs
- *
- * @see writeChar
- */
- void writeChars(String value) throws IOException;
-
- /**
- * This method writes a Java <code>String</code> to the stream in a modified
- * UTF-8 format. First, two bytes are written to the stream indicating the
- * number of bytes to follow. This is written in the form of a Java
- * <code>short</code> value in the same manner used by the
- * <code>writeShort</code> method. Note that this is the number of
- * bytes in the
- * encoded <code>String</code> not the <code>String</code> length. Next
- * come the encoded characters. Each character in the <code>String</code>
- * is encoded as either one, two or three bytes. For characters in the
- * range of <code>\u0001</code> to <code>\u007F</code>, one byte is used.
- * The character
- * value goes into bits 0-7 and bit eight is 0. For characters in the range
- * of <code>\u0080</code> to <code>\u007FF</code>, two bytes are used. Bits
- * 6-10 of the character value are encoded bits 0-4 of the first byte, with
- * the high bytes having a value of "110". Bits 0-5 of the character value
- * are stored in bits 0-5 of the second byte, with the high bits set to
- * "10". This type of encoding is also done for the null character
- * <code>\u0000</code>. This eliminates any C style NUL character values
- * in the output. All remaining characters are stored as three bytes.
- * Bits 12-15 of the character value are stored in bits 0-3 of the first
- * byte. The high bits of the first bytes are set to "1110". Bits 6-11
- * of the character value are stored in bits 0-5 of the second byte. The
- * high bits of the second byte are set to "10". And bits 0-5 of the
- * character value are stored in bits 0-5 of byte three, with the high bits
- * of that byte set to "10".
- *
- * The value written can be read using the <code>readUTF</code>
- * method in <code>DataInput</code>.
- *
- * @param value The <code>String</code> to write
- *
- * @exception IOException If an error occurs
- *
- * @see DataInput#readUTF
- */
- void writeUTF(String value) throws IOException;
-
- /**
- * This method writes an 8-bit value (passed into the method as a Java
- * <code>int</code>) to an output stream. The low 8 bits of the
- * passed value are written.
- *
- * @param value The <code>byte</code> to write to the output stream
- *
- * @exception IOException If an error occurs
- */
- void write(int value) throws IOException;
-
- /**
- * This method writes the raw byte array passed in to the output stream.
- *
- * @param buf The byte array to write
- *
- * @exception IOException If an error occurs
- */
- void write(byte[] buf) throws IOException;
-
- /**
- * This method writes raw bytes from the passed array <code>buf</code>
- * starting
- * <code>offset</code> bytes into the buffer. The number of bytes
- * written will be exactly <code>len</code>.
- *
- * @param buf The buffer from which to write the data
- * @param offset The offset into the buffer to start writing data from
- * @param len The number of bytes to write from the buffer to the output
- * stream
- *
- * @exception IOException If any other error occurs
- */
- void write(byte[] buf, int offset, int len) throws IOException;
-
-} // interface DataOutput
-