| /* |
| * $HeadURL: http://svn.apache.org/repos/asf/httpcomponents/httpcore/trunk/module-main/src/main/java/org/apache/http/entity/SerializableEntity.java $ |
| * $Revision: 647816 $ |
| * $Date: 2008-04-14 07:37:13 -0700 (Mon, 14 Apr 2008) $ |
| * |
| * ==================================================================== |
| * 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. |
| * ==================================================================== |
| * |
| * This software consists of voluntary contributions made by many |
| * individuals on behalf of the Apache Software Foundation. For more |
| * information on the Apache Software Foundation, please see |
| * <http://www.apache.org/>. |
| * |
| */ |
| |
| package org.apache.http.entity; |
| |
| import java.io.ByteArrayInputStream; |
| import java.io.ByteArrayOutputStream; |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.io.ObjectOutputStream; |
| import java.io.OutputStream; |
| import java.io.Serializable; |
| |
| public class SerializableEntity extends AbstractHttpEntity { |
| |
| private byte[] objSer; |
| |
| private Serializable objRef; |
| |
| public SerializableEntity(Serializable ser, boolean bufferize) throws IOException { |
| super(); |
| if (ser == null) { |
| throw new IllegalArgumentException("Source object may not be null"); |
| } |
| |
| if (bufferize) { |
| createBytes(ser); |
| } else { |
| this.objRef = ser; |
| } |
| } |
| |
| private void createBytes(Serializable ser) throws IOException { |
| ByteArrayOutputStream baos = new ByteArrayOutputStream(); |
| ObjectOutputStream out = new ObjectOutputStream(baos); |
| out.writeObject(ser); |
| out.flush(); |
| this.objSer = baos.toByteArray(); |
| } |
| |
| public InputStream getContent() throws IOException, IllegalStateException { |
| if (this.objSer == null) { |
| createBytes(this.objRef); |
| } |
| return new ByteArrayInputStream(this.objSer); |
| } |
| |
| public long getContentLength() { |
| if (this.objSer == null) { |
| return -1; |
| } else { |
| return this.objSer.length; |
| } |
| } |
| |
| public boolean isRepeatable() { |
| return true; |
| } |
| |
| public boolean isStreaming() { |
| return this.objSer == null; |
| } |
| |
| public void writeTo(OutputStream outstream) throws IOException { |
| if (outstream == null) { |
| throw new IllegalArgumentException("Output stream may not be null"); |
| } |
| |
| if (this.objSer == null) { |
| ObjectOutputStream out = new ObjectOutputStream(outstream); |
| out.writeObject(this.objRef); |
| out.flush(); |
| } else { |
| outstream.write(this.objSer); |
| outstream.flush(); |
| } |
| } |
| |
| } |