| /* |
| * 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; |
| |
| private boolean complete; |
| |
| /** |
| * 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; |
| } |
| |
| } |