JDK 1.1 Source Code Directory

JDK 1.1 source code directory contains Java source code for JDK 1.1 core classes: "C:\fyicenter\jdk-1.1.8\src".

Here is the list of Java classes of the JDK 1.1 source code:

✍: FYIcenter

java/io/PipedWriter.java

/*
 * @(#)PipedWriter.java	1.7 01/12/10
 *
 * Copyright 2002 Sun Microsystems, Inc. All rights reserved.
 * SUN PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
 */

package java.io;


/**
 * Piped character-output streams.
 *
 * @version 	1.7, 01/12/10
 * @author	Mark Reinhold
 * @since	JDK1.1
 */

public class PipedWriter extends Writer {

    PipedOutputStream byteSource;

    private byte buf[];		/* Conversion buffer */

    /**
     * Create a writer that is not yet connected to a piped reader.
     */
    public PipedWriter() {
	byteSource = new PipedOutputStream();
    }

    /**
     * Create a writer for the specified piped character-input stream.
     */
    public PipedWriter(PipedReader sink) throws IOException {
	this();
	connect(sink);
    }

    /** Check to make sure that the stream has not been closed */
    private void ensureOpen() throws IOException {
	if (byteSource == null)
	    throw new IOException("Stream closed");
    }

    /**
     * Connect the specified piped reader to this writer.
     */
    public void connect(PipedReader sink) throws IOException {
	synchronized (lock) {
	    ensureOpen();
	    byteSource.connect(sink.byteSink);
	}
    }

    /**
     * Write a portion of an array of characters.
     *
     * @param  cbuf  Array of characters
     * @param  off   Offset from which to start writing characters
     * @param  len   Number of characters to write
     *
     * @exception  IOException  If an I/O error occurs
     */
    public void write(char cbuf[], int off, int len) throws IOException {
	synchronized (lock) {
	    ensureOpen();

	    int nb = len * 2;
	    if ((buf == null) || (buf.length < nb))
		buf = new byte[nb];
	    for (int i = 0; i < nb; i += 2) {
		char c = cbuf[off + (i >> 1)];
		buf[i] = (byte) (c >> 8);
		buf[i + 1] = (byte) c;
	    }

	    byteSource.write(buf, 0, nb);
	}
    }

    /**
     * Flush the stream.
     *
     * @exception  IOException  If an I/O error occurs
     */
    public void flush() throws IOException {
	synchronized (lock) {
	    ensureOpen();
	    byteSource.flush();
	}
    }

    /**
     * Close the stream.
     *
     * @exception  IOException  If an I/O error occurs
     */
    public void close() throws IOException {
	synchronized (lock) {
	    if (byteSource == null)
		return;
	    byteSource.close();
	    byteSource = null;
	}
    }

}

java/io/PipedWriter.java

 

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