Changeset 19984 for greenstone3/trunk/src/java/org/greenstone/gsdl3/LibraryServlet.java

Timestamp:

2009-07-13T10:25:21+12:00 (15 years ago)

Author:

oranfry

Message:

initial implementation of support for site-level metadata

File:

• greenstone3/trunk/src/java/org/greenstone/gsdl3/LibraryServlet.java (modified) (1 diff)

greenstone3/trunk/src/java/org/greenstone/gsdl3/LibraryServlet.java

@@ -580 +580 @@
     }
 
-    // get all the <a> elements
-    NodeList hrefs = data.getElementsByTagName("a");
-    for (int i=0; i<hrefs.getLength(); i++) {
-      Element a = (Element)hrefs.item(i);
-      // ugly hack to get rid of : in the args - interferes with session handling
-      String href = a.getAttribute("href");
-      if (!href.equals("")) {
-        if (href.indexOf("?")!=-1) {
-          String[] parts = href.split("\\?", -1);
-          parts[1]=parts[1].replaceAll(":", "%3A");
-          href = parts[0]+"?"+parts[1];
-        }
-        a.setAttribute("href", response.encodeURL(href));
-      }
-    }
-    
-    // now find any submit bits - get all the <form> elements
-    NodeList forms = data.getElementsByTagName("form");
-    for (int i=0; i<forms.getLength(); i++) {
-      Element form = (Element)forms.item(i);
-      form.setAttribute("action", response.encodeURL(form.getAttribute("action")));
-    }
-    // are these the only cases where URLs occur??
-    // we should only do this for greenstone urls?
+    if ( data != null ) {
+
+        // get all the <a> elements
+        NodeList hrefs = data.getElementsByTagName("a");
+        for (int i=0; hrefs!=null && i<hrefs.getLength(); i++) {
+          Element a = (Element)hrefs.item(i);
+          // ugly hack to get rid of : in the args - interferes with session handling
+          String href = a.getAttribute("href");
+          if (!href.equals("")) {
+            if (href.indexOf("?")!=-1) {
+              String[] parts = href.split("\\?", -1);
+              parts[1]=parts[1].replaceAll(":", "%3A");
+              href = parts[0]+"?"+parts[1];
+            }
+            a.setAttribute("href", response.encodeURL(href));
+          }
+        }
+        
+        // now find any submit bits - get all the <form> elements
+        NodeList forms = data.getElementsByTagName("form");
+        for (int i=0; forms!=null && i<forms.getLength(); i++) {
+          Element form = (Element)forms.item(i);
+          form.setAttribute("action", response.encodeURL(form.getAttribute("action")));
+        }
+        // are these the only cases where URLs occur??
+        // we should only do this for greenstone urls?
+    }
     
   }