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	/*
	* Copyright (c) 2005, Oracle and/or its affiliates. All rights reserved.
	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
	*
	* This code is free software; you can redistribute it and/or modify it
	* under the terms of the GNU General Public License version 2 only, as
	* published by the Free Software Foundation. Oracle designates this
	* particular file as subject to the "Classpath" exception as provided
	* by Oracle in the LICENSE file that accompanied this code.
	*
	* This code 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
	* version 2 for more details (a copy is included in the LICENSE file that
	* accompanied this code).
	*
	* You should have received a copy of the GNU General Public License version
	* 2 along with this work; if not, write to the Free Software Foundation,
	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
	*
	* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
	* or visit www.oracle.com if you need additional information or have any
	* questions.
	*/

	package sun.awt;

	import java.nio.CharBuffer;
	import java.nio.ByteBuffer;
	import java.nio.charset.*;


	//This class delegates all invokes to the charset "javaCs" if
	//its subclasses do not provide their own en/decode solution.

	public class AWTCharset extends Charset {
	protected Charset awtCs;
	protected Charset javaCs;

	public AWTCharset(String awtCsName, Charset javaCs) {
	super(awtCsName, null);
	this.javaCs = javaCs;
	this.awtCs = this;
	}

	public boolean contains(Charset cs) {
	if (javaCs == null) return false;
	return javaCs.contains(cs);
	}

	public CharsetEncoder newEncoder() {
	if (javaCs == null)
	throw new Error("Encoder is not supported by this Charset");
	return new Encoder(javaCs.newEncoder());
	}

	public CharsetDecoder newDecoder() {
	if (javaCs == null)
	throw new Error("Decoder is not supported by this Charset");
	return new Decoder(javaCs.newDecoder());
	}

	public class Encoder extends CharsetEncoder {
	protected CharsetEncoder enc;
	protected Encoder () {
	this(javaCs.newEncoder());
	}
	protected Encoder (CharsetEncoder enc) {
	super(awtCs,
	enc.averageBytesPerChar(),
	enc.maxBytesPerChar());
	this.enc = enc;
	}
	public boolean canEncode(char c) {
	return enc.canEncode(c);
	}
	public boolean canEncode(CharSequence cs) {
	return enc.canEncode(cs);
	}
	protected CoderResult encodeLoop(CharBuffer src, ByteBuffer dst) {
	return enc.encode(src, dst, true);
	}
	protected CoderResult implFlush(ByteBuffer out) {
	return enc.flush(out);
	}
	protected void implReset() {
	enc.reset();
	}
	protected void implReplaceWith(byte[] newReplacement) {
	if (enc != null)
	enc.replaceWith(newReplacement);
	}
	protected void implOnMalformedInput(CodingErrorAction newAction) {
	enc.onMalformedInput(newAction);
	}
	protected void implOnUnmappableCharacter(CodingErrorAction newAction) {
	enc.onUnmappableCharacter(newAction);
	}
	public boolean isLegalReplacement(byte[] repl) {
	return true;
	}
	}

	public class Decoder extends CharsetDecoder {
	protected CharsetDecoder dec;
	private String nr;

	protected Decoder () {
	this(javaCs.newDecoder());
	}

	protected Decoder (CharsetDecoder dec) {
	super(awtCs,
	dec.averageCharsPerByte(),
	dec.maxCharsPerByte());
	this.dec = dec;
	}
	protected CoderResult decodeLoop(ByteBuffer src, CharBuffer dst) {
	return dec.decode(src, dst, true);
	}
	ByteBuffer fbb = ByteBuffer.allocate(0);
	protected CoderResult implFlush(CharBuffer out) {
	dec.decode(fbb, out, true);
	return dec.flush(out);
	}
	protected void implReset() {
	dec.reset();
	}
	protected void implReplaceWith(String newReplacement) {
	if (dec != null)
	dec.replaceWith(newReplacement);
	}
	protected void implOnMalformedInput(CodingErrorAction newAction) {
	dec.onMalformedInput(newAction);
	}
	protected void implOnUnmappableCharacter(CodingErrorAction newAction) {
	dec.onUnmappableCharacter(newAction);
	}
	}
	}

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