Refactor:

1. extract method findFOMaker from startElement.
2. change name of startElement param uri to namespaceURI.

git-svn-id: https://svn.apache.org/repos/asf/xmlgraphics/fop/trunk@196353 13f79535-47bb-0310-9956-ffa450edef68

diff --git a/src/java/org/apache/fop/fo/FOTreeBuilder.java b/src/java/org/apache/fop/fo/FOTreeBuilder.java
index 4a10e488970ebe217273a5f5f09b4805a025e24c..ddc2d14176ce17395b355cdc4d8c78e2cd8abcb7 100644 (file)
--- a/src/java/org/apache/fop/fo/FOTreeBuilder.java
+++ b/src/java/org/apache/fop/fo/FOTreeBuilder.java
@@ -3,34 +3,34 @@
  * ============================================================================
  *                    The Apache Software License, Version 1.1
  * ============================================================================
- * 
+ *
  * Copyright (C) 1999-2003 The Apache Software Foundation. All rights reserved.
- * 
+ *
  * Redistribution and use in source and binary forms, with or without modifica-
  * tion, are permitted provided that the following conditions are met:
- * 
+ *
  * 1. Redistributions of source code must retain the above copyright notice,
  *    this list of conditions and the following disclaimer.
- * 
+ *
  * 2. Redistributions in binary form must reproduce the above copyright notice,
  *    this list of conditions and the following disclaimer in the documentation
  *    and/or other materials provided with the distribution.
- * 
+ *
  * 3. The end-user documentation included with the redistribution, if any, must
  *    include the following acknowledgment: "This product includes software
  *    developed by the Apache Software Foundation (http://www.apache.org/)."
  *    Alternately, this acknowledgment may appear in the software itself, if
  *    and wherever such third-party acknowledgments normally appear.
- * 
+ *
  * 4. The names "FOP" and "Apache Software Foundation" must not be used to
  *    endorse or promote products derived from this software without prior
  *    written permission. For written permission, please contact
  *    apache@apache.org.
- * 
+ *
  * 5. Products derived from this software may not be called "Apache", nor may
  *    "Apache" appear in their name, without prior written permission of the
  *    Apache Software Foundation.
- * 
+ *
  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES,
  * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
  * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
@@ -42,12 +42,12 @@
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  * ============================================================================
- * 
+ *
  * This software consists of voluntary contributions made by many individuals
  * on behalf of the Apache Software Foundation and was originally created by
  * James Tauber <jtauber@jtauber.com>. For more information on the Apache
  * Software Foundation, please see <http://www.apache.org/>.
- */ 
+ */
 package org.apache.fop.fo;
 
 // FOP
@@ -66,6 +66,8 @@ import org.xml.sax.Attributes;
 
 // Avalon
 import org.apache.avalon.framework.logger.Logger;
+import org.apache.fop.fo.ElementMapping.*;
+import org.apache.fop.fo.ElementMapping.*;
 
 /**
  * SAX Handler that builds the formatting object tree.
@@ -199,34 +201,13 @@ public class FOTreeBuilder extends DefaultHandler {
      * SAX Handler for the start of an element
      * @see org.xml.sax.ContentHandler#startElement(String, String, String, Attributes)
      */
-    public void startElement(String uri, String localName, String rawName,
+    public void startElement(String namespaceURI, String localName, String rawName,
                              Attributes attlist) throws SAXException {
         /* the formatting object started */
         FONode fobj;
 
         /* the maker for the formatting object started */
-        ElementMapping.Maker fobjMaker = null;
-
-        Map table = (Map)fobjTable.get(uri);
-        if (table != null) {
-            fobjMaker = (ElementMapping.Maker)table.get(localName);
-            // try default
-            if (fobjMaker == null) {
-                fobjMaker = (ElementMapping.Maker)table.get(ElementMapping.DEFAULT);
-            }
-        }
-
-        if (fobjMaker == null) {
-            if (getLogger().isWarnEnabled()) {
-                getLogger().warn("Unknown formatting object " + uri + "^" + localName);
-            }
-            if (namespaces.contains(uri.intern())) {
-                // fall back
-                fobjMaker = new Unknown.Maker();
-            } else {
-                fobjMaker = new UnknownXMLObj.Maker(uri);
-            }
-        }
+        ElementMapping.Maker fobjMaker = findFOMaker(namespaceURI, localName);
 
         try {
             fobj = fobjMaker.make(currentFObj);
@@ -256,6 +237,37 @@ public class FOTreeBuilder extends DefaultHandler {
         currentFObj = fobj;
     }
 
+    /**
+     * Finds the Maker used to create FO objects of a particular type
+     * @param namespaceURI URI for the namespace of the element
+     * @param localName name of the Element
+     * @return the ElementMapping.Maker that can create an FO object for this element
+     */
+    public Maker findFOMaker(String namespaceURI, String localName) {
+      Map table = (Map)fobjTable.get(namespaceURI);
+      Maker fobjMaker = null;
+      if (table != null) {
+          fobjMaker = (ElementMapping.Maker)table.get(localName);
+          // try default
+          if (fobjMaker == null) {
+              fobjMaker = (ElementMapping.Maker)table.get(ElementMapping.DEFAULT);
+          }
+      }
+
+      if (fobjMaker == null) {
+          if (getLogger().isWarnEnabled()) {
+              getLogger().warn("Unknown formatting object " + namespaceURI + "^" + localName);
+          }
+          if (namespaces.contains(namespaceURI.intern())) {
+              // fall back
+              fobjMaker = new Unknown.Maker();
+          } else {
+              fobjMaker = new UnknownXMLObj.Maker(namespaceURI);
+          }
+      }
+      return fobjMaker;
+    }
+
     /**
      * Resets this object for another run.
      */