Here you can find the source of decode(Byte[] wrap)
public static CompositeData decode(Byte[] wrap)
//package com.java2s; /*// ww w . j a v a 2 s.com * 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. */ import java.io.ByteArrayInputStream; import java.io.ObjectInputStream; import javax.management.openmbean.CompositeData; public class Main { public static CompositeData decode(Byte[] wrap) { if (null == wrap) return null; byte[] prim = new byte[wrap.length]; for (int i = 0; i < wrap.length; i++) { prim[i] = wrap[i]; } ByteArrayInputStream inBytes = new ByteArrayInputStream(prim); ObjectInputStream inObject; CompositeData data; try { inObject = new ObjectInputStream(inBytes); data = (CompositeData) inObject.readObject(); inObject.close(); return data; } catch (Exception e) { throw new RuntimeException(e); } } }