/*

  * Copyright 2007-2008 The Kuali Foundation

  *

  * Licensed under the Educational Community 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.opensource.org/licenses/ecl2.php

  *

  * 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.kuali.rice.kew.batch;

 import org.apache.commons.io.IOUtils;

 import java.io.ByteArrayInputStream;

 import java.io.IOException;

 import java.io.InputStream;

 /**

  * Stream-based XML doc 

  * @author Kuali Rice Team (rice.collab@kuali.org)

  */

 public class StreamXmlDoc extends BaseXmlDoc {

     private byte[] bytes;

     private InputStream stream;

     public StreamXmlDoc(InputStream stream, XmlDocCollection collection) {

         super(collection);

         this.stream = stream;

     }

     public synchronized InputStream getStream() throws IOException {

         // this sucks, but does it suck less than copying the file?

         // or dealing with concurrency issues on a surveilling input stream

         if (bytes == null) {

             bytes = IOUtils.toByteArray(stream);

         }

         return new ByteArrayInputStream(bytes);

     }

     public String getName() {

         return stream.toString();

     }

 }