/* * Copyright 1999-2011 Alibaba Group. * * Licensed 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. */ package com.alibaba.dubbo.common.serialize.support.java; import java.io.IOException; import java.io.ObjectOutputStream; import java.io.ObjectStreamClass; import java.io.OutputStream; /** * Compacted java object output stream. * * @author qianlei */ public class CompactedObjectOutputStream extends ObjectOutputStream { public CompactedObjectOutputStream(OutputStream out) throws IOException { super(out); } @Override protected void writeClassDescriptor(ObjectStreamClass desc) throws IOException { Class<?> clazz = desc.forClass(); if( clazz.isPrimitive() || clazz.isArray() ) { write(0); super.writeClassDescriptor(desc); } else { write(1); writeUTF(desc.getName()); } } }