//$Header: /home/deegree/jail/deegreerepository/deegree/src/org/deegree/framework/util/CharsetUtils.java,v 1.1 2006/10/17 20:31:19 poth Exp $
/*---------------- FILE HEADER ------------------------------------------
This file is part of deegree.
Copyright (C) 2001-2006 by:
EXSE, Department of Geography, University of Bonn
http://www.giub.uni-bonn.de/deegree/
lat/lon GmbH
http://www.lat-lon.de
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
Contact:
Andreas Poth
lat/lon GmbH
Aennchenstr. 19
53115 Bonn
Germany
E-Mail: poth@lat-lon.de
Prof. Dr. Klaus Greve
Department of Geography
University of Bonn
Meckenheimer Allee 166
53115 Bonn
Germany
E-Mail: greve@giub.uni-bonn.de
---------------------------------------------------------------------------*/
package org.deegree.framework.util;
import java.nio.ByteBuffer;
import java.nio.CharBuffer;
import java.nio.charset.CharacterCodingException;
import java.nio.charset.Charset;
import java.nio.charset.CharsetDecoder;
import java.nio.charset.CharsetEncoder;
import org.deegree.framework.log.ILogger;
import org.deegree.framework.log.LoggerFactory;
/**
*
*
* @version $Revision: 1.1 $
* @author <a href="mailto:poth@lat-lon.de">Andreas Poth</a>
* @author last edited by: $Author: poth $
*
* @version 1.0. $Revision: 1.1 $, $Date: 2006/10/17 20:31:19 $
*
* @since 2.0
*/
public final class CharsetUtils {
private static ILogger LOG = LoggerFactory.getLogger( CharsetUtils.class );
private static final String DEFAULT_CHARSET = "UTF-8";
private CharsetUtils() {}
/**
* returns the name of the charset that is passed to the JVM as
* system property -DCHARSET=... If no charset has been defined
* UTF-8 will be returned as default.
* @return
*/
public static String getSystemCharset() {
String charset = null;
try {
charset = System.getProperty( "CHARSET" );
} catch ( Exception exc ) {
LOG.logError( "Error retrieving system property CHARSET", exc );
}
if ( charset == null ) {
charset = DEFAULT_CHARSET;
}
return charset;
}
public static String convertToUnicode(String input, String inCharset) {
// Create the encoder and decoder for inCharset
Charset charset = Charset.forName( inCharset );
CharsetEncoder encoder = charset.newEncoder();
ByteBuffer bbuf = null;
try {
// Convert a string to ISO-LATIN-1 bytes in a ByteBuffer
// The new ByteBuffer is ready to be read.
bbuf = encoder.encode( CharBuffer.wrap( input ) );
} catch (CharacterCodingException e) {
LOG.logError( e.getMessage(), e );
}
return bbuf.toString();
}
public static String convertFromUnicode(String input, String targetCharset) {
// Create the encoder and decoder for inCharset
Charset charset = Charset.forName( targetCharset );
CharsetDecoder decoder = charset.newDecoder();
CharBuffer cbuf = null;
try {
// Convert ISO-LATIN-1 bytes in a ByteBuffer to a character ByteBuffer and then to a string.
// The new ByteBuffer is ready to be read.
cbuf = decoder.decode( ByteBuffer.wrap( input.getBytes() ) );
} catch (CharacterCodingException e) {
LOG.logError( e.getMessage(), e );
}
return cbuf.toString();
}
}
/* ********************************************************************
Changes to this class. What the people have been up to:
$Log: CharsetUtils.java,v $
Revision 1.1 2006/10/17 20:31:19 poth
*** empty log message ***
Revision 1.11 2006/09/23 09:03:00 poth
comment corrected
Revision 1.10 2006/07/23 09:21:36 poth
printstacktrace substitueted by using a Logger
Revision 1.9 2006/07/21 09:33:24 poth
*** empty log message ***
Revision 1.8 2006/04/24 08:03:12 poth
*** empty log message ***
Revision 1.7 2006/04/06 20:25:28 poth
*** empty log message ***
Revision 1.6 2006/04/06 06:54:10 poth
*** empty log message ***
Revision 1.5 2006/03/30 21:20:27 poth
*** empty log message ***
Revision 1.4 2005/03/20 09:57:32 poth
no message
Revision 1.3 2005/03/18 16:31:32 poth
no message
Revision 1.2 2005/02/14 16:02:27 mschneider
Changed default charset to UTF-8.
Revision 1.1 2005/01/27 21:49:17 poth
no message
Revision 1.1 2005/01/24 21:27:40 poth
no message
********************************************************************** */