| /* |
| * 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; |
| |
| /** |
| * Element mapping for FOP's internal extension to XSL-FO. |
| */ |
| public class InternalElementMapping extends ElementMapping { |
| |
| /** The FOP extension namespace URI */ |
| public static final String URI = "http://xmlgraphics.apache.org/fop/internal"; |
| |
| private static final Set PROPERTY_ATTRIBUTES = new java.util.HashSet(); |
| |
| static { |
| //These are FOP's extension properties for accessibility |
| PROPERTY_ATTRIBUTES.add("ptr"); |
| } |
| |
| /** |
| * Constructor. |
| */ |
| public InternalElementMapping() { |
| namespaceURI = URI; |
| } |
| |
| /** |
| * Initialize the data structures. |
| */ |
| protected void initialize() { |
| if (foObjs == null) { |
| foObjs = new HashMap(); |
| } |
| } |
| |
| /** {@inheritDoc} */ |
| public String getStandardPrefix() { |
| return "foi"; |
| } |
| |
| /** {@inheritDoc} */ |
| 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()); |
| } |
| |
| } |