| /* |
| * 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); |
| } |
| } |
| } |