changes to support named destination

git-svn-id: https://svn.apache.org/repos/asf/xmlgraphics/fop/trunk@524602 13f79535-47bb-0310-9956-ffa450edef68

src/java/org/apache/fop/fo/extensions/destination/Destination.java

@@ -0,0 +1,79 @@
+package org.apache.fop.fo.extensions.destination;
+
+import org.apache.fop.fo.ValidationException;
+import org.apache.fop.apps.FOPException;
+import org.apache.fop.fo.PropertyList;
+import org.apache.fop.fo.FOEventHandler;
+import org.apache.fop.fo.FONode;
+import org.apache.fop.fo.FObj;
+import org.apache.fop.fo.pagination.Root;
+import org.apache.fop.fo.extensions.ExtensionElementMapping;
+
+import org.xml.sax.Attributes;
+import org.xml.sax.Locator;
+
+/**
+ * Class for named destinations in PDF.
+ */
+public class Destination extends FObj {
+
+    String internalDestination;
+    Root root;
+
+    /**
+     * Constructs a Destination object (called by Maker).
+     *
+     * @param parent the parent formatting object
+     */
+    public Destination(FONode parent) {
+        super(parent);
+        root = parent.getRoot();
+    }
+
+    /**
+     * @see org.apache.fop.fo.FObj#bind(PropertyList)
+     */
+    public void bind(PropertyList pList) throws FOPException {
+        internalDestination = pList.get(PR_INTERNAL_DESTINATION).getString();
+        if (internalDestination.length() == 0) {
+            attributeError("Missing attribute:  internal-destination must be specified.");
+        }
+    }
+
+    /**
+     * @see org.apache.fop.fo.FONode#endOfNode
+     */
+    protected void endOfNode() throws FOPException {
+        root.addDestination(this);
+    }
+
+    /**
+     * @see org.apache.fop.fo.FONode#validateChildNode(Locator, String, String)
+        XSL/FOP: empty
+     */
+    protected void validateChildNode(Locator loc, String nsURI, String localName)
+        throws ValidationException {
+            invalidChildError(loc, nsURI, localName);
+    }
+
+    public String getInternalDestination() {
+        return internalDestination;
+    }
+
+    /** @see org.apache.fop.fo.FONode#getNamespaceURI() */
+    public String getNamespaceURI() {
+        return ExtensionElementMapping.URI;
+    }
+
+    /** @see org.apache.fop.fo.FONode#getNormalNamespacePrefix() */
+    public String getNormalNamespacePrefix() {
+        return "fox";
+    }
+
+    /** @see org.apache.fop.fo.FONode#getLocalName() */
+    public String getLocalName() {
+        return "destination";
+    }
+
+}
+

src/java/org/apache/fop/fo/extensions/destination/DestinationElementMapping.java

@@ -0,0 +1,70 @@
+package org.apache.fop.fo.extensions.destination;
+
+import java.util.HashMap;
+import java.util.Set;
+
+import org.apache.fop.fo.FONode;
+import org.apache.fop.fo.ElementMapping;
+import org.apache.fop.fo.extensions.ExtensionElementMapping;
+import org.apache.fop.util.QName;
+
+import org.apache.fop.fo.extensions.destination.Destination;
+
+/**
+ * Set up the destination element mapping.
+ */
+public class DestinationElementMapping extends ElementMapping {
+    
+    /**
+    * The FOP extension namespace URI
+    */
+    public static final String URI = ExtensionElementMapping.URI;
+
+    private static final Set propertyAttributes = new java.util.HashSet();
+    
+    static {
+        //The extension property (fox:*) for named destinations
+        propertyAttributes.add("internal-destination");
+    }
+
+    /**
+    * Constructor.
+    */
+    public DestinationElementMapping() {
+        namespaceURI = URI;
+    }
+
+    /**
+    * @see org.apache.fop.fo.ElementMapping#initialize()
+    */
+    protected void initialize() {
+        if (foObjs == null) {
+            foObjs = new HashMap();
+            foObjs.put("destination", new DestinationMaker());
+        }
+    }
+
+    static class DestinationMaker extends ElementMapping.Maker {
+        public FONode make(FONode parent) {
+            return new Destination(parent);
+        }
+    }
+
+    /**
+    * @see org.apache.fop.fo.ElementMapping#getStandardPrefix()
+    */
+    public String getStandardPrefix() {
+        return "fox";
+    }
+    
+    /**
+    * @see org.apache.fop.fo.ElementMapping#isAttributeProperty(org.apache.fop.util.QName)
+    */
+    public boolean isAttributeProperty(QName attributeName) {
+        if (!URI.equals(attributeName.getNamespaceURI())) {
+            throw new IllegalArgumentException("The namespace URIs don't match");
+        }
+        return propertyAttributes.contains(attributeName.getLocalName());
+    }
+    
+}

src/java/org/apache/fop/fo/extensions/destination/package.html

@@ -0,0 +1,22 @@
+<!--
+  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.
+-->
+<HTML>
+<TITLE>org.apache.fop.destination Package</TITLE>
+<BODY>
+<P>Classes to support named destinations (only relevant for PDF output)</P>
+</BODY>
+</HTML>