/*
* :tabSize=4:indentSize=4:noTabs=false:
* :folding=explicit:collapseFolds=1:
*
* Copyright (C) 2007 Kazutoshi Satoda
*
* This program 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 any later version.
* This program 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 for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
package org.gjt.sp.jedit.io;
//{{{ Imports
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.io.OutputStreamWriter;
import java.io.Reader;
import java.io.Writer;
import java.nio.charset.Charset;
import java.nio.charset.CharsetDecoder;
import java.nio.charset.CodingErrorAction;
import javax.annotation.Nonnull;
//}}}
/**
* Encodings which are provided by java.nio.charset.Charset.
*
* @author Kazutoshi Satoda
* @since 4.3pre10
*/
public class CharsetEncoding implements Encoding
{
//{{{ Constructor
public CharsetEncoding(String name)
{
body = Charset.forName(name);
} //}}}
//{{{ implements Encoding
@Nonnull
public Reader getTextReader(@Nonnull InputStream in) throws IOException
{
// Pass the decoder explicitly to report a decode error
// as an exception instead of replacing with "\uFFFD".
// The form "InputStreamReader(in, encoding)" seemed to use
// CodingErrorAction.REPLACE internally.
return new InputStreamReader(in, body.newDecoder());
}
@Nonnull
public Writer getTextWriter(@Nonnull OutputStream out) throws IOException
{
// Pass the encoder explicitly because of same reason
// in getTextReader();
return new OutputStreamWriter(out, body.newEncoder());
}
@Nonnull
public Reader getPermissiveTextReader(@Nonnull InputStream in) throws IOException
{
// Use REPLACE action to indicate where the coding error
// happened by the replacement character "\uFFFD".
CharsetDecoder permissive = body.newDecoder();
permissive.onMalformedInput(CodingErrorAction.REPLACE);
permissive.onUnmappableCharacter(CodingErrorAction.REPLACE);
return new InputStreamReader(in, permissive);
}
//}}}
//{{{ Private members
private final Charset body;
//}}}
}