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'databene commons' is an open source Java library by Volker Bergmann. It provides extensions to the Java core library by utility classes, abstract concepts and concrete implementations.

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/*
 * Copyright (C) 2004-2015 Volker Bergmann ([email protected]).
 * All rights reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * http://www.apache.org/licenses/LICENSE-2.0
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.databene.commons.converter;

import java.io.UnsupportedEncodingException;

import org.databene.commons.ConfigurationError;
import org.databene.commons.ConversionException;
import org.databene.commons.SystemInfo;

/**
 * Converts strings to byte arrays based on a character encoding, e.g. UTF-8.
 * @author Volker Bergmann
 * @since 0.2.04
 */
public class String2ByteArrayConverter extends ThreadSafeConverter {

    private String encoding;
    
    public String2ByteArrayConverter() {
        this(SystemInfo.getFileEncoding());
    }

    public String2ByteArrayConverter(String encoding) {
        super(String.class, byte[].class);
        this.encoding = encoding;
    }

    @Override
	public byte[] convert(String sourceValue) throws ConversionException {
        try {
            return sourceValue.getBytes(encoding);
        } catch (UnsupportedEncodingException e) {
            throw new ConfigurationError(e);
        }
    }

}