/*
* Copyright (c) 1998-2010 Caucho Technology -- all rights reserved
*
* This file is part of Resin(R) Open Source
*
* Each copy or derived work must preserve the copyright notice and this
* notice unmodified.
*
* Resin Open Source is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* Resin Open Source 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, or any warranty
* of NON-INFRINGEMENT. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License
* along with Resin Open Source; if not, write to the
*
* Free Software Foundation, Inc.
* 59 Temple Place, Suite 330
* Boston, MA 02111-1307 USA
*
* @author Nam Nguyen
*/
package com.caucho.quercus.lib.i18n;
import java.nio.ByteBuffer;
import java.nio.CharBuffer;
import java.nio.charset.CoderResult;
import java.util.logging.Logger;
import com.caucho.quercus.env.Env;
import com.caucho.quercus.env.StringValue;
import com.caucho.util.L10N;
public class Big5Encoder
extends GenericEncoder {
private static final Logger log = Logger.getLogger(GenericEncoder.class.getName());
private static final L10N L = new L10N(Big5Encoder.class);
public Big5Encoder(String charsetName) {
super(charsetName);
}
@Override
public boolean isEncodable(Env env, StringValue str) {
int len = str.length();
for (int i = 0; i < len; i++) {
char ch = str.charAt(i);
if (ch == '\u20AC') // euro
{
continue;
} else if (!_encoder.canEncode(str.charAt(i))) {
return false;
}
}
return false;
}
@Override
protected boolean fill(StringValue sb, CharBuffer in,
ByteBuffer out, CoderResult coder) {
int len = out.position();
if (len > 0) {
int offset = out.arrayOffset();
sb.appendBytes(out.array(), offset, offset + len);
}
if (coder.isMalformed() || coder.isUnmappable()) {
int errorIndex = in.position();
in.position(errorIndex + 1);
if (in.get(errorIndex) == '\u20AC') {
// euro
sb.append('\u00a3');
sb.append('\u00e1');
} else if (_isIgnore) {
} else if (_replacement != null) {
sb.append(_replacement);
} else if (_isReplaceUnicode) {
sb.append("U+" + Integer.toHexString(in.get(errorIndex)));
} else {
return false;
}
}
return true;
}
}