Java Byte Array to String by Charset newString(byte[] bytes, String charsetName)

Description

Constructs a new String by decoding the specified array of bytes using the given charset.

License

Apache License

Parameter

Parameter	Description
bytes	The bytes to be decoded into characters, may be <code>null</code>
charsetName	The name of a required java.nio.charset.Charset

Exception

Parameter	Description
IllegalStateException	Thrown when a UnsupportedEncodingException is caught, which should never happen for arequired charset name.

Return

A new String decoded from the specified array of bytes using the given charset, or null if the input byte array was null.

Declaration

public static String newString(byte[] bytes, String charsetName)

Method Source Code

//package com.java2s;
/*//  w w  w  .j a  va  2 s .c  o m
 * 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.
 */

public class Main {
    /**
     * Constructs a new <code>String</code> by decoding the specified array of bytes using the given charset.
     * <p>
     * This method catches {@link UnsupportedEncodingException} and re-throws it as {@link IllegalStateException}, which
     * should never happen for a required charset name. Use this method when the encoding is required to be in the JRE.
     * </p>
     * 
     * @param bytes
     *            The bytes to be decoded into characters, may be <code>null</code>
     * @param charsetName
     *            The name of a required {@link java.nio.charset.Charset}
     * @return A new <code>String</code> decoded from the specified array of bytes using the given charset,
     *         or <code>null</code> if the input byte array was <code>null</code>.
     * @throws IllegalStateException
     *             Thrown when a {@link UnsupportedEncodingException} is caught, which should never happen for a
     *             required charset name.
     * @see CharEncoding
     * @see String#String(byte[], String)
     */
    public static String newString(byte[] bytes, String charsetName) {
        if (bytes == null) {
            return null;
        }
        try {
            return new String(bytes, charsetName);
        } catch (Exception e) {
            //            throw StringUtils.newIllegalStateException(charsetName, e);
        }
        return null;
    }
}