Read ByteArrayInputStream to String in Java

//w  w w .j av  a2 s.c om
import java.io.ByteArrayInputStream;

/*
 * The contents of this file are subject to the terms 
 * of the Common Development and Distribution License 
 * (the "License").  You may not use this file except 
 * in compliance with the License.
 * 
 * You can obtain a copy of the license at 
 * glassfish/bootstrap/legal/CDDLv1.0.txt or 
 * https://glassfish.dev.java.net/public/CDDLv1.0.html. 
 * See the License for the specific language governing 
 * permissions and limitations under the License.
 * 
 * When distributing Covered Code, include this CDDL 
 * HEADER in each file and include the License file at 
 * glassfish/bootstrap/legal/CDDLv1.0.txt.  If applicable, 
 * add the following below this CDDL HEADER, with the 
 * fields enclosed by brackets "[]" replaced with your 
 * own identifying information: Portions Copyright [yyyy] 
 * [name of copyright owner]
 */

/*
 * @(#)ASCIIUtility.java  1.10 05/08/29
 *
 * Copyright 1997-2005 Sun Microsystems, Inc. All Rights Reserved.
 */

public class Utils {
  public static String toString(ByteArrayInputStream is) {
    int size = is.available();
    char[] theChars = new char[size];
    byte[] bytes    = new byte[size];

    is.read(bytes, 0, size);
    for (int i = 0; i < size;)
        theChars[i] = (char)(bytes[i++]&0xff);
    
    return new String(theChars);
      }
}