This method converts strings from a known encoding into a string encoded by the system default encoding. - Java java.lang

Java examples for java.lang:String Unicode

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Description

This method converts strings from a known encoding into a string encoded by the system default encoding.

Demo Code

/*/*from  ww w  . j  a va 2s.co  m*/
 * This program is free software; you can redistribute it and/or modify it under the
 * terms of the GNU Lesser General Public License, version 2.1 as published by the Free Software
 * Foundation.
 *
 * You should have received a copy of the GNU Lesser General Public License along with this
 * program; if not, you can obtain a copy at http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html
 * or from the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * 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 Lesser General Public License for more details.
 *
 * Copyright (c) 2006 - 2016 Pentaho Corporation..  All rights reserved.
 */
import java.io.UnsupportedEncodingException;
import java.nio.ByteBuffer;
import java.nio.charset.CharacterCodingException;
import java.nio.charset.Charset;
import java.nio.charset.CharsetDecoder;
import java.util.Locale;

public class Main{
    private static String encoding = UTF_8;
    /**
     * This method converts strings from a known encoding into a string encoded by the system default encoding.
     * 
     * @param fromEncoding
     * @param encodedStr
     * @return Re-encoded string
     */
    public static String convertEncodedStringToSystemDefaultEncoding(
            String fromEncoding, String encodedStr) {
        return convertStringEncoding(encodedStr, fromEncoding,
                LocaleHelper.getSystemEncoding());
    }
    /**
     * This method converts strings between various encodings.
     * 
     * @param sourceString
     * @param sourceEncoding
     * @param targetEncoding
     * @return Re-encoded string.
     */
    public static String convertStringEncoding(String sourceString,
            String sourceEncoding, String targetEncoding) {
        String targetString = null;
        if (null != sourceString && !sourceString.equals("")) { //$NON-NLS-1$
            try {
                byte[] stringBytesSource = sourceString
                        .getBytes(sourceEncoding);
                targetString = new String(stringBytesSource, targetEncoding);
            } catch (UnsupportedEncodingException e) {
                throw new RuntimeException(e);
            }
        } else {
            targetString = sourceString;
        }
        return targetString;
    }
    public static String getSystemEncoding() {
        return encoding;
    }
}

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