/*
 * Copyright (c) MuleSoft, Inc.  All rights reserved.  http://www.mulesoft.com
 * The software in this package is published under the terms of the CPAL v1.0
 * license, a copy of which has been included with this distribution in the
 * LICENSE.txt file.
 */
package org.mule.runtime.core.util;

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

public class CharSetUtils extends org.apache.commons.lang.CharSetUtils {

  public static String defaultCharsetName() {
    try {
      if (SystemUtils.IS_JAVA_1_4) {
        return new OutputStreamWriter(new ByteArrayOutputStream()).getEncoding();
      } else {
        Class target = Charset.class;
        Method defaultCharset = target.getMethod("defaultCharset", ArrayUtils.EMPTY_CLASS_ARRAY);
        Charset cs = (Charset) defaultCharset.invoke(target, (Object[]) null);
        return cs.name();
      }
    } catch (Exception ex) {
      throw new Error(ex);
    }
  }
}