Return an UTF-8 encoded String by length : Unicode « Development « Java Tutorial

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import java.io.UnsupportedEncodingException;

/*
 *  Licensed to the Apache Software Foundation (ASF) under one
 *  or more contributor license agreements.  See the NOTICE file
 *  distributed with this work for additional information
 *  regarding copyright ownership.  The ASF licenses this file
 *  to you 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. 
 *  
 */



/**
 * Various string manipulation methods that are more efficient then chaining
 * string operations: all is done in the same buffer without creating a bunch of
 * string objects.
 * 
 * @author <a href="mailto:dev@labs.apache.org">Dungeon Project</a>
 */
public class Main {

  /**
   * Return an UTF-8 encoded String
   * 
   * @param bytes
   *            The byte array to be transformed to a String
   * @param length
   *            The length of the byte array to be converted
   * @return A String.
   */
  public static final String utf8ToString( byte[] bytes, int length )
  {
      if ( bytes == null )
      {
          return "";
      }

      try
      {
          return new String( bytes, 0, length, "UTF-8" );
      }
      catch ( UnsupportedEncodingException uee )
      {
          return "";
      }
  }
}