BufferedOutputStream.java, [...]: More merges from classpath.
2003-03-18 Michael Koch <konqueror@gmx.de> * java/io/BufferedOutputStream.java, java/io/DataInput.java, java/io/DataInputStream.java, java/io/DataOutput.java, java/io/Externalizable.java: More merges from classpath. From-SVN: r64528
This commit is contained in:
Michael Koch
Michael Koch
parent
71a15b1586
commit
fddab7dc9b
6 changed files with 730 additions and 739 deletions
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@ -1,3 +1,12 @@
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2003-03-18 Michael Koch <konqueror@gmx.de>
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* java/io/BufferedOutputStream.java,
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java/io/DataInput.java,
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java/io/DataInputStream.java,
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java/io/DataOutput.java,
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java/io/Externalizable.java:
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More merges from classpath.
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2003-03-18 Michael Koch <konqueror@gmx.de>
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* configure.in: Fixed links to platform dependant java.net files.
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@ -46,15 +46,10 @@ package java.io;
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* efficient mechanism for writing versus doing numerous small unbuffered
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* writes.
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*
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* @version 0.0
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*
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* @author Aaron M. Renn (arenn@urbanophile.com)
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*/
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public class BufferedOutputStream extends FilterOutputStream
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{
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/*************************************************************************/
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/*
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* Class Variables
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*/
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@ -96,8 +91,7 @@ protected int count;
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*
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* @param out The underlying <code>OutputStream</code> to write data to
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*/
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public
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BufferedOutputStream(OutputStream out)
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public BufferedOutputStream(OutputStream out)
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{
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this(out, DEFAULT_BUFFER_SIZE);
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}
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@ -112,8 +106,7 @@ BufferedOutputStream(OutputStream out)
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* @param out The underlying <code>OutputStream</code> to write data to
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* @param size The size of the internal buffer
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*/
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public
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BufferedOutputStream(OutputStream out, int size)
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public BufferedOutputStream(OutputStream out, int size)
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{
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super(out);
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@ -132,8 +125,7 @@ BufferedOutputStream(OutputStream out, int size)
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*
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* @exception IOException If an error occurs
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*/
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public synchronized void
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flush() throws IOException
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public synchronized void flush() throws IOException
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{
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if (count == 0)
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return;
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@ -150,8 +142,7 @@ flush() throws IOException
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* underlying output stream. Any further attempts to write to this stream
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* may throw an exception
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*
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public synchronized void
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close() throws IOException
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public synchronized void close() throws IOException
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{
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flush();
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out.close();
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@ -167,8 +158,7 @@ close() throws IOException
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*
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* @exception IOException If an error occurs (ignored by the Java runtime)
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*
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protected void
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finalize() throws IOException
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protected void finalize() throws IOException
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{
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close();
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}
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@ -186,8 +176,7 @@ finalize() throws IOException
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*
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* @exception IOException If an error occurs
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*/
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public synchronized void
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write(int b) throws IOException
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public synchronized void write(int b) throws IOException
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{
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if (count == buf.length)
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flush();
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@ -211,8 +200,8 @@ write(int b) throws IOException
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*
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* @exception IOException If an error occurs
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*/
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public synchronized void
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write(byte[] buf, int offset, int len) throws IOException
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public synchronized void write(byte[] buf, int offset, int len)
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throws IOException
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{
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// Buffer can hold everything. Note that the case where LEN < 0
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// is automatically handled by the downstream write.
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@ -232,3 +221,4 @@ write(byte[] buf, int offset, int len) throws IOException
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}
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} // class BufferedOutputStream
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@ -1,5 +1,5 @@
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/* DataInput.java -- Interface for reading data from a stream
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Copyright (C) 1998, 1999, 2001 Free Software Foundation, Inc.
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Copyright (C) 1998, 1999, 2001, 2003 Free Software Foundation, Inc.
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This file is part of GNU Classpath.
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@ -41,8 +41,7 @@ package java.io;
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/* Written using "Java Class Libraries", 2nd edition, ISBN 0-201-31002-3
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* "The Java Language Specification", ISBN 0-201-63451-1
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* plus online API docs for JDK 1.2 beta from http://www.javasoft.com.
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* Status: Believed complete and correct.
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*/
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* Status: Believed complete and correct. */
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/**
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* This interface is implemented by classes that can data from streams
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@ -66,11 +65,11 @@ public interface DataInput
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*
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* @return The <code>boolean</code> value read
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*
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* @exception EOFException If end of file is reached before reading the boolean
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* @exception EOFException If end of file is reached before
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* reading the boolean
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* @exception IOException If any other error occurs
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*/
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boolean
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readBoolean() throws EOFException, IOException;
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boolean readBoolean() throws EOFException, IOException;
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/*************************************************************************/
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@ -89,8 +88,7 @@ readBoolean() throws EOFException, IOException;
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*
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* @see DataOutput
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*/
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byte
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readByte() throws EOFException, IOException;
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byte readByte() throws EOFException, IOException;
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/*************************************************************************/
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@ -98,7 +96,8 @@ readByte() throws EOFException, IOException;
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* This method reads 8 unsigned bits into a Java <code>int</code> value from
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* the stream. The value returned is in the range of 0 to 255.
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* <p>
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* This method can read an unsigned byte written by an object implementing the
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* This method can read an unsigned byte written by an object
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* implementing the
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* <code>writeUnsignedByte()</code> method in the <code>DataOutput</code>
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* interface.
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*
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@ -109,8 +108,7 @@ readByte() throws EOFException, IOException;
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*
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* @see DataOutput
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*/
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int
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readUnsignedByte() throws EOFException, IOException;
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int readUnsignedByte() throws EOFException, IOException;
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/*************************************************************************/
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@ -138,8 +136,7 @@ readUnsignedByte() throws EOFException, IOException;
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*
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* @see DataOutput
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*/
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char
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readChar() throws EOFException, IOException;
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char readChar() throws EOFException, IOException;
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/*************************************************************************/
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@ -158,7 +155,8 @@ readChar() throws EOFException, IOException;
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* <p>
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* The value returned is in the range of -32768 to 32767.
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* <p>
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* This method can read a <code>short</code> written by an object implementing
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* This method can read a <code>short</code> written by an object
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* implementing
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* the <code>writeShort()</code> method in the <code>DataOutput</code>
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* interface.
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*
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@ -169,8 +167,7 @@ readChar() throws EOFException, IOException;
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*
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* @see DataOutput
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*/
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short
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readShort() throws EOFException, IOException;
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short readShort() throws EOFException, IOException;
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/*************************************************************************/
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@ -190,16 +187,17 @@ readShort() throws EOFException, IOException;
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* The value returned is in the range of 0 to 65535.
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* <p>
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* This method can read an unsigned short written by an object implementing
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* the <code>writeUnsignedShort()</code> method in the <code>DataOutput</code>
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* the <code>writeUnsignedShort()</code> method in the
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* <code>DataOutput</code>
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* interface.
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*
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* @return The unsigned short value read as a Java <code>int</code>.
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*
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* @exception EOFException If end of file is reached before reading the value
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* @exception EOFException If end of file is reached before reading
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* the value
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* @exception IOException If any other error occurs
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*/
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int
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readUnsignedShort() throws EOFException, IOException;
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int readUnsignedShort() throws EOFException, IOException;
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/*************************************************************************/
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@ -216,10 +214,11 @@ readUnsignedShort() throws EOFException, IOException;
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* <p>
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* <code>(int)((byte1 << 24) + (byte2 << 16) + (byte3 << 8) + byte4))</code>
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* <p>
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The value returned is in the range of -2147483648 to 2147483647.
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* The value returned is in the range of -2147483648 to 2147483647.
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* <p>
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* This method can read an <code>int</code> written by an object implementing
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* the <code>writeInt()</code> method in the <code>DataOutput</code> interface.
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* This method can read an <code>int</code> written by an object
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* implementing the <code>writeInt()</code> method in the
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* <code>DataOutput</code> interface.
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*
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* @return The <code>int</code> value read
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*
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@ -228,8 +227,7 @@ readUnsignedShort() throws EOFException, IOException;
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*
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* @see DataOutput
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*/
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int
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readInt() throws EOFException, IOException;
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int readInt() throws EOFException, IOException;
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/*************************************************************************/
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@ -251,9 +249,9 @@ readInt() throws EOFException, IOException;
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* The value returned is in the range of -9223372036854775808 to
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* 9223372036854775807.
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* <p>
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* This method can read an <code>long</code> written by an object implementing
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* the <code>writeLong()</code> method in the <code>DataOutput</code>
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* interface.
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* This method can read an <code>long</code> written by an object
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* implementing the <code>writeLong()</code> method in the
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* <code>DataOutput</code> interface.
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*
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* @return The <code>long</code> value read
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*
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@ -262,8 +260,7 @@ readInt() throws EOFException, IOException;
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*
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* @see DataOutput
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*/
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long
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readLong() throws EOFException, IOException;
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long readLong() throws EOFException, IOException;
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/*************************************************************************/
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@ -275,20 +272,21 @@ readLong() throws EOFException, IOException;
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* <code>intBitsToFloat</code> method in the class
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* <code>java.lang.Float</code>.
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* <p>
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* This method can read a <code>float</code> written by an object implementing
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* This method can read a <code>float</code> written by an object
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* implementing
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* the <code>writeFloat()</code> method in the <code>DataOutput</code>
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* interface.
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*
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* @return The <code>float</code> value read
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*
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* @exception EOFException If end of file is reached before reading the float
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* @exception EOFException If end of file is reached before reading the
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* float
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* @exception IOException If any other error occurs
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*
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* @see java.lang.Float
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* @see DataOutput
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*/
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float
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readFloat() throws EOFException, IOException;
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float readFloat() throws EOFException, IOException;
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/*************************************************************************/
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@ -306,26 +304,28 @@ readFloat() throws EOFException, IOException;
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*
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* @return The <code>double</code> value read
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*
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* @exception EOFException If end of file is reached before reading the double
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* @exception EOFException If end of file is reached before reading the
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* double
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* @exception IOException If any other error occurs
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*
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* @see java.lang.Double
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* @see DataOutput
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*/
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double
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readDouble() throws EOFException, IOException;
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double readDouble() throws EOFException, IOException;
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/*************************************************************************/
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/**
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* This method reads the next line of text data from an input stream.
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* It operates by reading bytes and converting those bytes to <code>char</code>
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* It operates by reading bytes and converting those bytes to
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* <code>char</code>
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* values by treating the byte read as the low eight bits of the
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* <code>char</code> and using 0 as the high eight bits. Because of this,
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* it does not support the full 16-bit Unicode character set.
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* <P>
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* The reading of bytes ends when either the end of file or a line terminator
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* is encountered. The bytes read are then returned as a <code>String</code>.
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* is encountered. The bytes read are then returned as a
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* <code>String</code>.
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* A line terminator is a byte sequence consisting of either
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* <code>\r</code>, <code>\n</code> or <code>\r\n</code>. These termination
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* charaters are discarded and are not returned as part of the string.
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@ -339,22 +339,22 @@ readDouble() throws EOFException, IOException;
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*
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* @see DataOutput
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*/
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String
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readLine() throws IOException;
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String readLine() throws IOException;
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/*************************************************************************/
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/**
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* This method reads a <code>String</code> from an input stream that is
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* encoded in a modified UTF-8 format. This format has a leading two byte
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* sequence that contains the remaining number of bytes to read. This two byte
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* sequence that contains the remaining number of bytes to read.
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* This two byte
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* sequence is read using the <code>readUnsignedShort()</code> method of this
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* interface.
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*
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* After the number of remaining bytes have been determined, these bytes
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* are read an transformed into <code>char</code> values. These
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* <code>char</code> values are encoded in the stream using either a one, two,
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* or three byte format.
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* <code>char</code> values are encoded in the stream using either a one,
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* two, or three byte format.
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* The particular format in use can be determined by examining the first
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* byte read.
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* <p>
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@ -398,23 +398,23 @@ readLine() throws IOException;
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*
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* Note that all characters are encoded in the method that requires the
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* fewest number of bytes with the exception of the character with the
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* value of <code>\<llll>u0000</code> which is encoded as two bytes. This is
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* a modification of the UTF standard used to prevent C language style
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* <code>NUL</code> values from appearing in the byte stream.
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* value of <code>\<llll>u0000</code> which is encoded as two bytes.
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* This is a modification of the UTF standard used to prevent C language
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* style <code>NUL</code> values from appearing in the byte stream.
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* <p>
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* This method can read data that was written by an object implementing the
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* <code>writeUTF()</code> method in <code>DataOutput</code>.
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*
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* @returns The <code>String</code> read
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*
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* @exception EOFException If end of file is reached before reading the String
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* @exception EOFException If end of file is reached before reading the
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* String
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* @exception UTFDataFormatException If the data is not in UTF-8 format
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* @exception IOException If any other error occurs
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*
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* @see DataOutput
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*/
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String
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readUTF() throws EOFException, UTFDataFormatException, IOException;
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String readUTF() throws EOFException, UTFDataFormatException, IOException;
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/*************************************************************************/
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@ -426,17 +426,19 @@ readUTF() throws EOFException, UTFDataFormatException, IOException;
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*
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* @param buf The buffer into which to read the data
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*
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* @exception EOFException If end of file is reached before filling the buffer
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* @exception EOFException If end of file is reached before filling the
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* buffer
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* @exception IOException If any other error occurs
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*/
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void
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readFully(byte[] buf) throws EOFException, IOException;
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void readFully(byte[] buf) throws EOFException, IOException;
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/*************************************************************************/
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/**
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* This method reads raw bytes into the passed array <code>buf</code> starting
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* <code>offset</code> bytes into the buffer. The number of bytes read will be
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* This method reads raw bytes into the passed array <code>buf</code>
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* starting
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* <code>offset</code> bytes into the buffer. The number of bytes read
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* will be
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* exactly <code>len</code>. Note that this method blocks until the data is
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* available and * throws an exception if there is not enough data left in
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* the stream to read <code>len</code> bytes.
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@ -445,11 +447,12 @@ readFully(byte[] buf) throws EOFException, IOException;
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* @param offset The offset into the buffer to start storing data
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* @param len The number of bytes to read into the buffer
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*
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* @exception EOFException If end of file is reached before filling the buffer
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* @exception EOFException If end of file is reached before filling the
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* buffer
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* @exception IOException If any other error occurs
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*/
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void
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readFully(byte[] buf, int offset, int len) throws EOFException, IOException;
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void readFully(byte[] buf, int offset, int len)
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throws EOFException, IOException;
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/*************************************************************************/
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@ -466,7 +469,6 @@ readFully(byte[] buf, int offset, int len) throws EOFException, IOException;
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* skipped
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* @exception IOException If any other error occurs
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*/
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int
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skipBytes(int n) throws EOFException, IOException;
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int skipBytes(int n) throws EOFException, IOException;
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} // interface DataInput
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@ -1,5 +1,5 @@
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/* DataInputStream.java -- FilteredInputStream that implements DataInput
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Copyright (C) 1998, 1999, 2000, 2001 Free Software Foundation
|
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Copyright (C) 1998, 1999, 2000, 2001, 2003 Free Software Foundation
|
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|
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This file is part of GNU Classpath.
|
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|
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|
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@ -50,8 +50,6 @@ package java.io;
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*
|
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* @see DataInput
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*
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* @version 0.0
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*
|
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* @author Warren Levy <warrenl@cygnus.com>
|
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* @author Aaron M. Renn (arenn@urbanophile.com)
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* @date October 20, 1998.
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|
|
|
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|
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@ -60,8 +60,7 @@ public interface DataOutput
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*
|
||||
* @exception IOException If an error occurs
|
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*/
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void
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writeBoolean(boolean value) throws IOException;
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void writeBoolean(boolean value) throws IOException;
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||||
|
||||
/*************************************************************************/
|
||||
|
||||
|
|
@ -72,8 +71,7 @@ writeBoolean(boolean value) throws IOException;
|
|||
*
|
||||
* @exception IOException If an error occurs
|
||||
*/
|
||||
void
|
||||
writeByte(int value) throws IOException;
|
||||
void writeByte(int value) throws IOException;
|
||||
|
||||
/*************************************************************************/
|
||||
|
||||
|
|
@ -84,8 +82,7 @@ writeByte(int value) throws IOException;
|
|||
*
|
||||
* @exception IOException If an error occurs
|
||||
*/
|
||||
void
|
||||
writeChar(int value) throws IOException;
|
||||
void writeChar(int value) throws IOException;
|
||||
|
||||
/*************************************************************************/
|
||||
|
||||
|
|
@ -96,8 +93,7 @@ writeChar(int value) throws IOException;
|
|||
*
|
||||
* @exception IOException If an error occurs
|
||||
*/
|
||||
void
|
||||
writeShort(int value) throws IOException;
|
||||
void writeShort(int value) throws IOException;
|
||||
|
||||
/*************************************************************************/
|
||||
|
||||
|
|
@ -108,8 +104,7 @@ writeShort(int value) throws IOException;
|
|||
*
|
||||
* @exception IOException If an error occurs
|
||||
*/
|
||||
void
|
||||
writeInt(int value) throws IOException;
|
||||
void writeInt(int value) throws IOException;
|
||||
|
||||
/*************************************************************************/
|
||||
|
||||
|
|
@ -120,8 +115,7 @@ writeInt(int value) throws IOException;
|
|||
*
|
||||
* @exception IOException If an error occurs
|
||||
*/
|
||||
void
|
||||
writeLong(long value) throws IOException;
|
||||
void writeLong(long value) throws IOException;
|
||||
|
||||
/*************************************************************************/
|
||||
|
||||
|
|
@ -132,8 +126,7 @@ writeLong(long value) throws IOException;
|
|||
*
|
||||
* @exception IOException If an error occurs
|
||||
*/
|
||||
void
|
||||
writeFloat(float value) throws IOException;
|
||||
void writeFloat(float value) throws IOException;
|
||||
|
||||
/*************************************************************************/
|
||||
|
||||
|
|
@ -144,8 +137,7 @@ writeFloat(float value) throws IOException;
|
|||
*
|
||||
* @exception IOException If any other error occurs
|
||||
*/
|
||||
void
|
||||
writeDouble(double value) throws IOException;
|
||||
void writeDouble(double value) throws IOException;
|
||||
|
||||
/*************************************************************************/
|
||||
|
||||
|
|
@ -156,8 +148,7 @@ writeDouble(double value) throws IOException;
|
|||
*
|
||||
* @exception IOException If an error occurs
|
||||
*/
|
||||
void
|
||||
writeBytes(String value) throws IOException;
|
||||
void writeBytes(String value) throws IOException;
|
||||
|
||||
/*************************************************************************/
|
||||
|
||||
|
|
@ -168,8 +159,7 @@ writeBytes(String value) throws IOException;
|
|||
*
|
||||
* @exception IOException If an error occurs
|
||||
*/
|
||||
void
|
||||
writeChars(String value) throws IOException;
|
||||
void writeChars(String value) throws IOException;
|
||||
|
||||
/*************************************************************************/
|
||||
|
||||
|
|
@ -181,8 +171,7 @@ writeChars(String value) throws IOException;
|
|||
*
|
||||
* @exception IOException If an error occurs
|
||||
*/
|
||||
void
|
||||
writeUTF(String value) throws IOException;
|
||||
void writeUTF(String value) throws IOException;
|
||||
|
||||
/*************************************************************************/
|
||||
|
||||
|
|
@ -194,8 +183,7 @@ writeUTF(String value) throws IOException;
|
|||
*
|
||||
* @exception IOException If an error occurs
|
||||
*/
|
||||
void
|
||||
write(int value) throws IOException;
|
||||
void write(int value) throws IOException;
|
||||
|
||||
/*************************************************************************/
|
||||
|
||||
|
|
@ -206,23 +194,24 @@ write(int value) throws IOException;
|
|||
*
|
||||
* @exception IOException If an error occurs
|
||||
*/
|
||||
void
|
||||
write(byte[] buf) throws IOException;
|
||||
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>.
|
||||
* 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
|
||||
* @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;
|
||||
void write(byte[] buf, int offset, int len) throws IOException;
|
||||
|
||||
} // interface DataOutput
|
||||
|
||||
|
|
|
|||
|
|
@ -56,8 +56,6 @@ package java.io;
|
|||
* created using the default no-argument constructor and the
|
||||
* <code>readExternal</code> method is used to restore the state.
|
||||
*
|
||||
* @version 0.0
|
||||
*
|
||||
* @author Aaron M. Renn (arenn@urbanophile.com)
|
||||
*/
|
||||
public interface Externalizable extends Serializable
|
||||
|
|
@ -67,8 +65,10 @@ public interface Externalizable extends Serializable
|
|||
/**
|
||||
* This method restores an object's state by reading in the instance data
|
||||
* for the object from the passed in stream. Note that this stream is not
|
||||
* a subclass of <code>InputStream</code>, but rather is a class that implements
|
||||
* the <code>ObjectInput</code> interface. That interface provides a mechanism for
|
||||
* a subclass of <code>InputStream</code>, but rather is a class that
|
||||
* implements
|
||||
* the <code>ObjectInput</code> interface. That interface provides a
|
||||
* mechanism for
|
||||
* reading in Java data types from a stream.
|
||||
* <p>
|
||||
* Note that this method must be compatible with <code>writeExternal</code>.
|
||||
|
|
@ -79,13 +79,15 @@ public interface Externalizable extends Serializable
|
|||
* for that object must be found and loaded. If that operation fails,
|
||||
* then this method throws a <code>ClassNotFoundException</code>
|
||||
*
|
||||
* @param in An <code>ObjectInput</code> instance for reading in the object state
|
||||
* @param in An <code>ObjectInput</code> instance for reading in the object
|
||||
* state
|
||||
*
|
||||
* @exception ClassNotFoundException If the class of an object being restored cannot be found
|
||||
* @exception ClassNotFoundException If the class of an object being
|
||||
* restored cannot be found
|
||||
* @exception IOException If any other error occurs
|
||||
*/
|
||||
public abstract void
|
||||
readExternal(ObjectInput in) throws ClassNotFoundException, IOException;
|
||||
public abstract void readExternal(ObjectInput in)
|
||||
throws ClassNotFoundException, IOException;
|
||||
|
||||
/*************************************************************************/
|
||||
|
||||
|
|
@ -93,18 +95,19 @@ readExternal(ObjectInput in) throws ClassNotFoundException, IOException;
|
|||
* This method is responsible for writing the instance data of an object
|
||||
* to the passed in stream. Note that this stream is not a subclass of
|
||||
* <code>OutputStream</code>, but rather is a class that implements the
|
||||
* <code>ObjectOutput</code> interface. That interface provides a number of methods
|
||||
* <code>ObjectOutput</code> interface. That interface provides a
|
||||
* number of methods
|
||||
* for writing Java data values to a stream.
|
||||
* <p>
|
||||
* Not that the implementation of this method must be coordinated with
|
||||
* the implementation of <code>readExternal</code>.
|
||||
*
|
||||
* @param out An <code>ObjectOutput</code> instance for writing the object state
|
||||
* @param out An <code>ObjectOutput</code> instance for writing the
|
||||
* object state
|
||||
*
|
||||
* @exception IOException If an error occurs
|
||||
*/
|
||||
public abstract void
|
||||
writeExternal(ObjectOutput out) throws IOException;
|
||||
public abstract void writeExternal(ObjectOutput out) throws IOException;
|
||||
|
||||
} // interface Externalizable
|
||||
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue