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Diffstat (limited to 'src/org/apache/http/entity/SerializableEntity.java')
-rw-r--r-- | src/org/apache/http/entity/SerializableEntity.java | 107 |
1 files changed, 107 insertions, 0 deletions
diff --git a/src/org/apache/http/entity/SerializableEntity.java b/src/org/apache/http/entity/SerializableEntity.java new file mode 100644 index 0000000..171977b --- /dev/null +++ b/src/org/apache/http/entity/SerializableEntity.java @@ -0,0 +1,107 @@ +/* + * $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(); + } + } + +} |