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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: ResourceObject.java 815383 2009-09-15 16:15:11Z maxberger $ */
package org.apache.fop.afp.modca;
import java.io.IOException;
import java.io.OutputStream;
import org.apache.fop.afp.modca.triplets.ResourceObjectTypeTriplet;
import org.apache.fop.afp.util.BinaryUtils;
/**
* This resource structured field begins an envelope that is used to carry
* resource objects in print-file-level (external) resource groups.
*/
public class ResourceObject extends AbstractNamedAFPObject {
/** graphics object type */
public static final byte TYPE_GRAPHIC = 0x03;
/** barcode object type */
public static final byte TYPE_BARCODE = 0x05;
/** image object type */
public static final byte TYPE_IMAGE = 0x06;
/** font character set type */
public static final byte TYPE_FONT_CHARACTER_SET = 0x40;
/** code page type */
public static final byte TYPE_CODE_PAGE = 0x41;
/** coded font type */
public static final byte TYPE_CODED_FONT = 0x42;
/** object container type */
public static final byte TYPE_OBJECT_CONTAINER = (byte) 0x92;
/** document object type */
public static final byte TYPE_DOCUMENT = (byte) 0xA8;
/** page segment object type */
public static final byte TYPE_PAGE_SEGMENT = (byte) 0xFB;
/** overlay object type */
public static final byte TYPE_OVERLAY_OBJECT = (byte) 0xFC;
/** page def type */
public static final byte TYPE_PAGEDEF = (byte) 0xFD;
/** form def type */
public static final byte TYPE_FORMDEF = (byte) 0xFE;
private AbstractNamedAFPObject namedObject;
/**
* Default constructor
*
* @param name the name of this resource (reference id)
*/
public ResourceObject(String name) {
super(name);
}
/**
* Sets the data object referenced by this resource object
*
* @param namedObject the named data object
*/
public void setDataObject(AbstractNamedAFPObject namedObject) {
this.namedObject = namedObject;
}
/**
* Returns the data object referenced by this resource object
*
* @return the data object referenced by this resource object
*/
public AbstractNamedAFPObject getDataObject() {
return namedObject;
}
/** {@inheritDoc} */
protected void writeStart(OutputStream os) throws IOException {
super.writeStart(os);
byte[] data = new byte[19];
copySF(data, Type.BEGIN, Category.NAME_RESOURCE);
// Set the total record length
int tripletDataLength = getTripletDataLength();
byte[] len = BinaryUtils.convert(18 + tripletDataLength, 2);
data[1] = len[0]; // Length byte 1
data[2] = len[1]; // Length byte 2
// Set reserved bits
data[17] = 0x00; // Reserved
data[18] = 0x00; // Reserved
os.write(data);
// Write triplets
writeTriplets(os);
}
/** {@inheritDoc} */
protected void writeContent(OutputStream os) throws IOException {
if (namedObject != null) {
namedObject.writeToStream(os);
}
}
/** {@inheritDoc} */
protected void writeEnd(OutputStream os) throws IOException {
byte[] data = new byte[17];
copySF(data, Type.END, Category.NAME_RESOURCE);
os.write(data);
}
/** {@inheritDoc} */
public String toString() {
return this.getName();
}
/**
* Sets Resource Object Type triplet
*
* @param type the resource object type
*/
public void setType(byte type) {
getTriplets().add(new ResourceObjectTypeTriplet(type));
}
}
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