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/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2000, 2010 Oracle and/or its affiliates.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
package org.openoffice.xmerge.converter.xml;
import org.w3c.dom.Document;
import org.w3c.dom.DOMException;
import org.w3c.dom.Element;
/**
* This class represents embedded object's in an OpenOffice.org document that
* have a binary representation.
*/
public class EmbeddedBinaryObject extends EmbeddedObject {
/** The object's binary representation. */
protected byte[] objData = null;
/**
* Constructor for an embedded object stored using an XML representation.
*
* @param name The name of the object.
* @param type The mime-type of the object. See the class summary.
*/
public EmbeddedBinaryObject(String name, String type) {
super(name, type);
}
/**
* Package private constructor for use when reading an object from a
* compressed SX? file.
*
* @param name The name of the object.
* @param type The mime-type of the object. See the class summary.
* @param source The OfficeZip representation of the SX? file that stores
* the object.
*/
EmbeddedBinaryObject(String name, String type, OfficeZip source) {
super(name, type, source);
}
/**
* This method returns the data for this object.
*
* @return A <code>byte</code> array containing the object's data.
*/
public byte[] getBinaryData() {
if (objData == null) {
// See if we came from a Zip file
if (zipFile != null) {
objData = zipFile.getNamedBytes(objName);
}
}
return objData;
}
/**
* Sets the data for this object.
*
* @param data A <code>byte</code> array containing data for the object.
*/
public void setBinaryData(byte[] data) {
objData = data;
hasChanged = true;
}
/**
* Package private method for writing the data of the EmbeddedObject to a
* SX? file.
*
* @param zip An <code>OfficeZip</code> instance representing the file
* the data is to be written to.
*/
void write(OfficeZip zip) {
if (hasChanged) {
zip.setNamedBytes(objName, objData);
}
}
/**
* Package private method that constructs the manifest.xml entries for this
* embedded object.
*
* @return Document <code>Document</code> containing the manifest entries.
*/
void writeManifestData(Document manifestDoc) throws DOMException {
Element objNode = manifestDoc.createElement(OfficeConstants.TAG_MANIFEST_FILE);
objNode.setAttribute(OfficeConstants.ATTRIBUTE_MANIFEST_FILE_TYPE, objType);
objNode.setAttribute(OfficeConstants.ATTRIBUTE_MANIFEST_FILE_PATH, objName);
manifestDoc.getDocumentElement().appendChild(objNode);
}
}
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