Changeset 25926

Timestamp:

2012-07-10T16:28:41+12:00 (12 years ago)

Author:

sjm84

Message:

Changing the merge method so that it allows for modes

Location:

main/trunk/greenstone3/src/java/org/greenstone/gsdl3/util

Files:

• GSXML.java (modified) (2 diffs)
• GSXSLT.java (modified) (2 diffs)

main/trunk/greenstone3/src/java/org/greenstone/gsdl3/util/GSXML.java

@@ -935 +935 @@
         // not found
         return null;
-
+    }
+
+    public static NodeList getNamedElementsNS(Element parent, String namespace_uri, String node_local_name, String attribute_name, String attribute_value)
+    {
+        MyNodeList result = new MyNodeList();
+        NodeList children = parent.getChildNodes();
+        for (int i = 0; i < children.getLength(); i++)
+        {
+            Node child = children.item(i);
+            if (child.getNodeType() == Node.ELEMENT_NODE && child.getNamespaceURI().equals(namespace_uri) && child.getLocalName().equals(node_local_name))
+            {
+                if (((Element) child).getAttribute(attribute_name).equals(attribute_value))
+                    result.addNode(child);
+            }
+        }
+        return result;
+    }
+
+    public static NodeList getElementsWithAttributesNS(Element parent, String namespace_uri, String node_local_name, String[] attribute_names, String[] attribute_values)
+    {
+        if (attribute_names.length == 0 || attribute_names.length != attribute_values.length)
+        {
+            return new MyNodeList();
+        }
+
+        MyNodeList result = new MyNodeList();
+
+        NodeList matchingNodes = GSXML.getNamedElementsNS(parent, namespace_uri, node_local_name, attribute_names[0], attribute_values[0]);
+        for (int i = 0; i < matchingNodes.getLength(); i++)
+        {
+            Element current = (Element) matchingNodes.item(i);
+            boolean nodeMatches = true;
+            for (int j = 1; j < attribute_names.length; j++)
+            {
+                String currentName = attribute_names[j];
+                String currentValue = attribute_values[j];
+                if (!current.getAttribute(currentName).equals(currentValue))
+                {
+                    nodeMatches = false;
+                    break;
+                }
+            }
+
+            if (nodeMatches)
+            {
+                result.addNode(current);
+            }
+        }
+
+        return result;
+    }
+
+    public static void removeElementsWithAttributesNS(Element parent, String namespace_uri, String node_local_name, String[] attribute_names, String[] attribute_values)
+    {
+        NodeList matchingNodes = GSXML.getElementsWithAttributesNS(parent, namespace_uri, node_local_name, attribute_names, attribute_values);
+        for (int i = 0; i < matchingNodes.getLength(); i++)
+        {
+            parent.removeChild(matchingNodes.item(i));
+        }
     }
 
@@ -955 +1013 @@
             parent.removeChild(old_elem);
         }
-
     }
 

main/trunk/greenstone3/src/java/org/greenstone/gsdl3/util/GSXSLT.java

@@ -163 +163 @@
             {
                 // if we have a name attribute, remove any other similarly named template
-                if (!template_name.equals(""))
-                {
-                    GSXML.removeNamedElementNS(main, "http://www.w3.org/1999/XSL/Transform", "template", "name", template_name);
-                }
-                // if we have a match attribute, remove other templates that match - 
-                if (!template_match.equals(""))
-                {
-                    GSXML.removeNamedElementsNS(main, "http://www.w3.org/1999/XSL/Transform", "template", "match", template_match);
-                }
+                GSXML.removeElementsWithAttributesNS(main, "http://www.w3.org/1999/XSL/Transform", "template", new String[]{"name", "match", "mode"}, new String[]{template_name, template_match, template_mode});
+
                 // now add our good template in
                 main.appendChild(main_xsl.importNode(node, true));
@@ -181 +174 @@
                 // there can't be any duplicate named templates, so just look for matches
                 // we already have the one with highest import precedence (from the top most level) so don't add any more in
-                if (GSXML.getNamedElementNS(main, "http://www.w3.org/1999/XSL/Transform", "template", "match", template_match) == null)
-                {
-                    main.appendChild(main_xsl.importNode(node, true));
-                }
-
-                if (GSXML.getNamedElementNS(main, "http://www.w3.org/1999/XSL/Transform", "template", "name", template_name) == null)
+                if (GSXML.getElementsWithAttributesNS(main, "http://www.w3.org/1999/XSL/Transform", "template", new String[]{"name", "match", "mode"}, new String[]{template_name, template_match, template_mode}).getLength() == 0)
                 {
                     main.appendChild(main_xsl.importNode(node, true));