| /** |
| * 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. |
| */ |
| package org.apache.activemq.wireformat; |
| |
| import java.io.DataInput; |
| import java.io.DataInputStream; |
| import java.io.DataOutput; |
| import java.io.DataOutputStream; |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.io.ObjectOutputStream; |
| import java.io.OutputStream; |
| |
| import org.apache.activemq.util.ByteArrayInputStream; |
| import org.apache.activemq.util.ByteArrayOutputStream; |
| import org.apache.activemq.util.ByteSequence; |
| import org.apache.activemq.util.ClassLoadingAwareObjectInputStream; |
| |
| /** |
| * A simple implementation which uses Object Stream serialization. |
| * |
| * |
| */ |
| public class ObjectStreamWireFormat implements WireFormat { |
| |
| public ByteSequence marshal(Object command) throws IOException { |
| ByteArrayOutputStream baos = new ByteArrayOutputStream(); |
| DataOutputStream ds = new DataOutputStream(baos); |
| marshal(command, ds); |
| ds.close(); |
| return baos.toByteSequence(); |
| } |
| |
| public Object unmarshal(ByteSequence packet) throws IOException { |
| return unmarshal(new DataInputStream(new ByteArrayInputStream(packet))); |
| } |
| |
| public void marshal(Object command, DataOutput ds) throws IOException { |
| ObjectOutputStream out = new ObjectOutputStream((OutputStream)ds); |
| out.writeObject(command); |
| out.flush(); |
| out.reset(); |
| } |
| |
| public Object unmarshal(DataInput ds) throws IOException { |
| try { |
| ClassLoadingAwareObjectInputStream in = new ClassLoadingAwareObjectInputStream((InputStream)ds); |
| Object command; |
| command = in.readObject(); |
| in.close(); |
| return command; |
| } catch (ClassNotFoundException e) { |
| throw (IOException)new IOException("unmarshal failed: " + e).initCause(e); |
| } |
| } |
| |
| public void setVersion(int version) { |
| } |
| |
| public int getVersion() { |
| return 0; |
| } |
| |
| } |