| /* |
| * Sun Public License Notice |
| * |
| * The contents of this file are subject to the Sun Public License |
| * Version 1.0 (the "License"). You may not use this file except in |
| * compliance with the License. A copy of the License is available at |
| * http://www.sun.com/ |
| * |
| * The Original Code is NetBeans. The Initial Developer of the Original |
| * Code is Sun Microsystems, Inc. Portions Copyright 1997-2000 Sun |
| * Microsystems, Inc. All Rights Reserved. |
| */ |
| package org.netbeans.lib.cvsclient.io; |
| |
| import org.netbeans.lib.cvsclient.util.BugLog; |
| |
| import java.io.IOException; |
| import java.io.OutputStream; |
| import java.io.Writer; |
| |
| /** |
| * @author Thomas Singer |
| */ |
| public abstract class AbstractOutputStreamWriter extends Writer { |
| |
| // Abstract =============================================================== |
| |
| protected abstract void writeChar(char chr, OutputStream outputStream) throws IOException; |
| |
| // Fields ================================================================= |
| |
| private final OutputStream outputStream; |
| |
| // Setup ================================================================== |
| |
| protected AbstractOutputStreamWriter(OutputStream outputStream) { |
| BugLog.getInstance().assertNotNull(outputStream); |
| |
| this.outputStream = outputStream; |
| } |
| |
| // Implemented ============================================================ |
| |
| public final void write(int chr) throws IOException { |
| ensureOpen(); |
| |
| writeChar((char)chr, outputStream); |
| } |
| |
| public final void write(char buffer[], int offset, int length) throws IOException { |
| if (offset < 0 |
| || length < 0 |
| || offset + length > buffer.length) { |
| throw new IndexOutOfBoundsException(); |
| } |
| |
| ensureOpen(); |
| |
| for (; length > 0; offset++, length--) { |
| final char chr = buffer[offset]; |
| writeChar(chr, outputStream); |
| } |
| } |
| |
| public final void flush() throws IOException { |
| ensureOpen(); |
| outputStream.flush(); |
| } |
| |
| public final void close() throws IOException { |
| ensureOpen(); |
| flush(); |
| outputStream.close(); |
| } |
| |
| // Utils ================================================================== |
| |
| private void ensureOpen() throws IOException { |
| if (outputStream == null) { |
| throw new IOException("Stream closed"); |
| } |
| } |
| } |