Source Code : Get the default charset

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Get the default charset

   
import java.io.ByteArrayOutputStream;
import java.io.OutputStreamWriter;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.nio.charset.Charset;

/*
 *  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 {

  /**
   * Get the default charset
   * 
   * @return The default charset
   */
  public static final String getDefaultCharsetName() throws Exception {
    String defaultCharset;

    try {
      // Try with jdk 1.5 method, if we are using a 1.5 jdk :)
      Method method = Charset.class.getMethod("defaultCharset", new Class[0]);
      defaultCharset = ((Charset) method.invoke(null, new Object[0])).name();
    } catch (NoSuchMethodException nsme) {
      defaultCharset = new OutputStreamWriter(new ByteArrayOutputStream()).getEncoding();
    } catch (InvocationTargetException ite) {
      defaultCharset = new OutputStreamWriter(new ByteArrayOutputStream()).getEncoding();
    } catch (IllegalAccessException iea) {
      defaultCharset = new OutputStreamWriter(new ByteArrayOutputStream()).getEncoding();
    } catch (RuntimeException e) {
      // fall back to old method
      defaultCharset = new OutputStreamWriter(new ByteArrayOutputStream()).getEncoding();
    }

    return defaultCharset;
  }

}

   
    
    
  

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