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'rapiddweller Common' is an open source Java library forked from Databene Commons 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 com.rapiddweller.common.converter;

import com.rapiddweller.common.ConfigurationError;
import com.rapiddweller.common.ConversionException;
import com.rapiddweller.common.SystemInfo;

import java.io.UnsupportedEncodingException;

/**
 * Converts byte arrays to Strings based on a character encoding, e.g. UTF-8.
 * Created: 26.02.2010 08:26:55
 *
 * @author Volker Bergmann
 * @since 0.5.0
 */
public class ByteArray2StringConverter extends ThreadSafeConverter {

  private final String encoding;

  /**
   * Instantiates a new Byte array 2 string converter.
   */
  public ByteArray2StringConverter() {
    this(SystemInfo.getFileEncoding());
  }

  /**
   * Instantiates a new Byte array 2 string converter.
   *
   * @param encoding the encoding
   */
  public ByteArray2StringConverter(String encoding) {
    super(byte[].class, String.class);
    this.encoding = encoding;
  }

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

}