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/*
* 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.
*/
/* $Id$ */
package org.apache.fop.afp.modca;
import java.io.IOException;
import java.io.OutputStream;
import org.apache.fop.afp.Completable;
/**
* A print-file resource group
*/
public class StreamedResourceGroup extends ResourceGroup implements Completable {
/** the outputstream to write to */
private final OutputStream os;
private boolean started = false;
private boolean complete = false;
/**
* Main constructor
*
* @param name the resource group name
* @param os the outputstream
*/
public StreamedResourceGroup(String name, OutputStream os) {
super(name);
this.os = os;
}
/**
* Adds a resource to the external resource group
*
* @param namedObject a named object
* @throws IOException thrown if an I/O exception of some sort has occurred.
*/
public void addObject(AbstractNamedAFPObject namedObject) throws IOException {
if (!started) {
writeStart(os);
started = true;
}
try {
namedObject.writeToStream(os);
} finally {
os.flush();
}
}
/**
* Closes this external resource group file
*
* @throws IOException thrown if an I/O exception of some sort has occurred.
*/
public void close() throws IOException {
writeEnd(os);
complete = true;
}
/**
* Returns the outputstream
*
* @return the outputstream
*/
public OutputStream getOutputStream() {
return this.os;
}
/** {@inheritDoc} */
public void setComplete(boolean complete) {
this.complete = complete;
}
/** {@inheritDoc} */
public boolean isComplete() {
return this.complete;
}
}
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