CharsetConverter.java

package com.proalpha.pds.paconnector.utils;
 
import java.io.UnsupportedEncodingException;
import java.nio.charset.Charset;
 
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
 
public class CharsetConverter {
 
    private static final Logger logger = LoggerFactory.getLogger(CharsetConverter.class);
    
    private CharsetConverter() {
        super();
    }
 
    public static String encode(final String codepage, final String str) {
 
        String retval = str;
 
        try {
            // During the initialization of the bridge is the code page null
            if (codepage != null) {
 
                if (Charset.isSupported(codepage)) {
                    retval = doEncoding(codepage, str);
                } else if (Charset.isSupported("cp" + codepage)) {
                    retval = doEncoding("cp" + codepage, str);
                } else {
                    throw new UnsupportedEncodingException(String.format("Codepage %s is not supported.", codepage));
                }
            }
        } catch (UnsupportedEncodingException e) {
            logger.error(e.getMessage(), e);
        }
        return retval;
    }
 
    private static String doEncoding(final String codepage, final String str) {
        return new String(Charset.forName(codepage).encode(str).array());
    }
}