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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.render.afp.modca;
import java.io.IOException;
import java.io.OutputStream;
/**
* The End Named Page Group (ENG) structured field terminates a page group that was
* initiated by a Begin Named Page Group structured field.
*
* Note :This object will be used to represent an ENG
* structured field. It is necessary as you can't end
* a PageGroup because you don't know where the group
* will end (as this is controlled by the tags in the FO).
* <p>
*
*/
public class EndPageGroup extends AbstractNamedAFPObject {
/**
* Main constructor
* @param groupId the group id
*/
public EndPageGroup(String groupId) {
super(groupId);
if (log.isDebugEnabled()) {
log.debug("A ENG is being created for group: " + groupId);
}
}
/**
* Accessor method to write the AFP datastream for the End Page Group.
* @param os The stream to write to
* @throws java.io.IOException thrown if an I/O exception of some sort has occurred
*/
public void writeDataStream(OutputStream os)
throws IOException {
byte[] data = new byte[17];
data[0] = 0x5A; // Structured field identifier
data[1] = 0x00; // Length byte 1
data[2] = 0x10; // Length byte 2
data[3] = (byte) 0xD3; // Structured field id byte 1
data[4] = (byte) 0xA9; // Structured field id byte 2
data[5] = (byte) 0xAD; // Structured field id byte 3
data[6] = 0x00; // Flags
data[7] = 0x00; // Reserved
data[8] = 0x00; // Reserved
for (int i = 0; i < nameBytes.length; i++) {
data[9 + i] = nameBytes[i];
}
os.write(data);
}
}
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