/* * 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; import java.util.HashMap; import java.util.Set; import org.apache.xmlgraphics.util.QName; import org.apache.fop.fo.ElementMapping; import org.apache.fop.fo.FONode; import org.apache.fop.fo.UnknownXMLObj; import org.apache.fop.fo.extensions.destination.Destination; /** * Element mapping for FOP's proprietary extension to XSL-FO. */ public class ExtensionElementMapping extends ElementMapping { /** The FOP extension namespace URI */ public static final String URI = "http://xmlgraphics.apache.org/fop/extensions"; /** The standard XML prefix for elements and attributes in this namespace. */ public static final String STANDARD_PREFIX = "fox"; private static final Set<String> PROPERTY_ATTRIBUTES = new java.util.HashSet<String>(); static { //These are FOP's standard extension properties (fox:*) PROPERTY_ATTRIBUTES.add("block-progression-unit"); PROPERTY_ATTRIBUTES.add("widow-content-limit"); PROPERTY_ATTRIBUTES.add("orphan-content-limit"); PROPERTY_ATTRIBUTES.add("internal-destination"); PROPERTY_ATTRIBUTES.add("disable-column-balancing"); PROPERTY_ATTRIBUTES.add("auto-toggle"); //These are FOP's extension properties for accessibility PROPERTY_ATTRIBUTES.add("alt-text"); PROPERTY_ATTRIBUTES.add("header"); PROPERTY_ATTRIBUTES.add("abbreviation"); //fox:border-*-radius-* PROPERTY_ATTRIBUTES.add("border-before-radius-start"); PROPERTY_ATTRIBUTES.add("border-before-radius-end"); PROPERTY_ATTRIBUTES.add("border-after-radius-start"); PROPERTY_ATTRIBUTES.add("border-after-radius-end"); PROPERTY_ATTRIBUTES.add("border-start-radius-before"); PROPERTY_ATTRIBUTES.add("border-start-radius-after"); PROPERTY_ATTRIBUTES.add("border-end-radius-before"); PROPERTY_ATTRIBUTES.add("border-end-radius-after"); PROPERTY_ATTRIBUTES.add("border-radius"); PROPERTY_ATTRIBUTES.add("border-before-start-radius"); PROPERTY_ATTRIBUTES.add("border-before-end-radius"); PROPERTY_ATTRIBUTES.add("border-after-start-radius"); PROPERTY_ATTRIBUTES.add("border-after-end-radius"); //Optional content groups (layers) PROPERTY_ATTRIBUTES.add("layer"); // used for scaling of background images PROPERTY_ATTRIBUTES.add("background-image-width"); PROPERTY_ATTRIBUTES.add("background-image-height"); } /** * Constructor. */ public ExtensionElementMapping() { namespaceURI = URI; } /** * Initialize the data structures. */ @Override protected void initialize() { if (foObjs == null) { foObjs = new HashMap<String, Maker>(); foObjs.put("outline", new UnknownXMLObj.Maker(URI)); foObjs.put("label", new UnknownXMLObj.Maker(URI)); foObjs.put("destination", new DestinationMaker()); foObjs.put("external-document", new ExternalDocumentMaker()); } } static class DestinationMaker extends ElementMapping.Maker { @Override public FONode make(FONode parent) { return new Destination(parent); } } static class ExternalDocumentMaker extends ElementMapping.Maker { @Override public FONode make(FONode parent) { return new ExternalDocument(parent); } } /** {@inheritDoc} */ @Override public String getStandardPrefix() { return STANDARD_PREFIX; } /** {@inheritDoc} */ @Override public boolean isAttributeProperty(QName attributeName) { if (!URI.equals(attributeName.getNamespaceURI())) { throw new IllegalArgumentException("The namespace URIs don't match"); } return PROPERTY_ATTRIBUTES.contains(attributeName.getLocalName()); } }