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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.fo.extensions.xmp;
-
- import org.apache.xmlgraphics.xmp.Metadata;
-
- import org.apache.fop.fo.FONode;
- import org.apache.fop.fo.FObj;
- import org.apache.fop.fo.extensions.ExtensionAttachment;
- import org.apache.fop.render.pdf.extensions.PDFPageElement;
- import org.apache.fop.util.ContentHandlerFactory;
- import org.apache.fop.util.ContentHandlerFactory.ObjectBuiltListener;
-
- /**
- * Abstract base class for the XMP and RDF root nodes.
- */
- public abstract class AbstractMetadataElement extends FONode implements ObjectBuiltListener {
-
- private XMPMetadata attachment;
-
- /**
- * Main constructor.
- * @param parent the parent formatting object
- */
- public AbstractMetadataElement(FONode parent) {
- super(parent);
- }
-
- /**
- * {@inheritDoc}
- */
- public ContentHandlerFactory getContentHandlerFactory() {
- return new XMPContentHandlerFactory();
- }
-
- /** {@inheritDoc} */
- public ExtensionAttachment getExtensionAttachment() {
- if (parent instanceof FObj || parent instanceof PDFPageElement) {
- if (attachment == null) {
- attachment = new XMPMetadata();
- }
- return attachment;
- } else {
- return super.getExtensionAttachment();
- }
- }
-
- /** {@inheritDoc} */
- public void notifyObjectBuilt(Object obj) {
- attachment.setMetadata((Metadata)obj);
- }
-
-
- }
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