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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.triplets;
import java.io.IOException;
import java.io.OutputStream;
import org.apache.fop.afp.util.BinaryUtils;
/**
* The Extended Resource Local Identifier triplet specifies a resource type and a
* four byte local identifier or LID. The LID usually is associated with a specific
* resource name by a map structured field, such as a Map Data Resource structured
* field, or a Map Media Type structured field.
*/
public class ExtendedResourceLocalIdentifierTriplet extends AbstractTriplet {
/** the image resource type */
public static final byte TYPE_IMAGE_RESOURCE = 0x10;
/** the retired value type */
public static final byte TYPE_RETIRED_VALUE = 0x30;
/** the retired value type */
public static final byte TYPE_MEDIA_RESOURCE = 0x40;
/** the resource type */
private final byte type;
/** the resource local id */
private final int localId;
/**
* Main constructor
*
* @param type the resource type
* @param localId the resource local id
*/
public ExtendedResourceLocalIdentifierTriplet(byte type, int localId) {
super(AbstractTriplet.EXTENDED_RESOURCE_LOCAL_IDENTIFIER);
this.type = type;
this.localId = localId;
}
/** {@inheritDoc} */
public void writeToStream(OutputStream os) throws IOException {
byte[] data = getData();
data[2] = type;
byte[] resLID = BinaryUtils.convert(localId, 4); // 4 bytes
System.arraycopy(resLID, 0, data, 3, resLID.length);
os.write(data);
}
/** {@inheritDoc} */
public int getDataLength() {
return 7;
}
}
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