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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.pdf.extensions;
import org.xml.sax.Attributes;
import org.xml.sax.Locator;
import org.apache.fop.apps.FOPException;
import org.apache.fop.fo.FONode;
import org.apache.fop.fo.PropertyList;
import org.apache.fop.fo.extensions.ExtensionAttachment;
// CSOFF: LineLengthCheck
/**
* Extension element for dictionaries: pdf:{catalog,page,dictionary}. The specific type
* of dictionary is established at construction type.
*/
public class PDFDictionaryElement extends PDFCollectionEntryElement {
public static final String ATT_ID = PDFDictionaryExtension.PROPERTY_ID;
/**
* Main constructor
* @param parent parent FO node
*/
PDFDictionaryElement(FONode parent, PDFDictionaryType type) {
super(parent, PDFObjectType.Dictionary, createExtension(type));
}
private static PDFDictionaryExtension createExtension(PDFDictionaryType type) {
if (type == PDFDictionaryType.Action) {
return new PDFActionExtension();
} else if (type == PDFDictionaryType.Catalog) {
return new PDFCatalogExtension();
} else if (type == PDFDictionaryType.Layer) {
return new PDFLayerExtension();
} else if (type == PDFDictionaryType.Navigator) {
return new PDFNavigatorExtension();
} else if (type == PDFDictionaryType.Page) {
return new PDFPageExtension();
} else if (type == PDFDictionaryType.Info) {
return new PDFDocumentInformationExtension();
} else {
return new PDFDictionaryExtension(type);
}
}
public PDFDictionaryExtension getDictionaryExtension() {
PDFCollectionEntryExtension extension = getExtension();
assert extension instanceof PDFDictionaryExtension;
return (PDFDictionaryExtension) extension;
}
@Override
public void processNode(String elementName, Locator locator, Attributes attlist, PropertyList propertyList) throws FOPException {
PDFDictionaryExtension extension = getDictionaryExtension();
if (extension.usesIDAttribute()) {
String id = attlist.getValue(ATT_ID);
if (id != null) {
extension.setProperty(PDFDictionaryExtension.PROPERTY_ID, id);
}
}
if (extension.getDictionaryType() == PDFDictionaryType.Dictionary) {
String key = attlist.getValue(ATT_KEY);
if (key == null) {
if (parent instanceof PDFDictionaryElement) {
missingPropertyError(ATT_KEY);
}
} else if (key.length() == 0) {
invalidPropertyValueError(ATT_KEY, key, null);
} else {
extension.setKey(key);
}
}
}
@Override
public void startOfNode() throws FOPException {
super.startOfNode();
String localName = getLocalName();
if (localName.equals("action")) {
// handled in PDFActionElement subclass
} else if (localName.equals("catalog")) {
// handled in PDFCatalogElement subclass
} else if (localName.equals("layer")) {
// handled in PDFLayerElement subclass
} else if (localName.equals("navigator")) {
// handled in PDFNavigattorElement subclass
} else if (localName.equals("page")) {
// handled in PDFPageElement subclass
} else if (localName.equals("info")) {
// handled in PDFDocumentInformationElement subclass
} else if (localName.equals("vt")) {
// handled in PDFVTElement subclass
} else if (localName.equals("pagepiece")) {
// handled in PDFPagePieceElement subclass
} else if (localName.equals("dictionary")) {
if (!PDFDictionaryType.hasValueOfElementName(parent.getLocalName()) && !PDFObjectType.Array.elementName().equals(parent.getLocalName())) {
invalidChildError(getLocator(), parent.getName(), getNamespaceURI(), getName(), null);
}
} else {
throw new IllegalStateException("unknown name: " + localName);
}
}
@Override
protected void addChildNode(FONode child) throws FOPException {
PDFDictionaryExtension extension = getDictionaryExtension();
if (child instanceof PDFDictionaryElement) {
PDFDictionaryExtension entry = ((PDFDictionaryElement) child).getDictionaryExtension();
if (entry.getDictionaryType() == PDFDictionaryType.Dictionary) {
extension.addEntry(entry);
}
} else if (child instanceof PDFCollectionEntryElement) {
PDFCollectionEntryExtension entry = ((PDFCollectionEntryElement) child).getExtension();
extension.addEntry(entry);
}
}
@Override
public void endOfNode() throws FOPException {
super.endOfNode();
}
@Override
public String getLocalName() {
PDFDictionaryExtension extension = getDictionaryExtension();
return extension.getDictionaryType().elementName();
}
@Override
protected ExtensionAttachment instantiateExtensionAttachment() {
return new PDFDictionaryAttachment(getDictionaryExtension());
}
}
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