Changeset 4155

Timestamp:

2003-04-15T12:37:09+12:00 (21 years ago)

Author:

kjdon

Message:

added unknown page method

File:

• trunk/gsdl3/src/java/org/greenstone/gsdl3/action/PageAction.java (modified) (2 diffs)

trunk/gsdl3/src/java/org/greenstone/gsdl3/action/PageAction.java

@@ -40 +40 @@
     } else if (page_name.equals(ABOUT_PAGE)) {
         return aboutPage(page, request);
-    } else {
-        System.err.println("PageAction Error: unimplemented page specified!");
-        return null; 
-    }
+    } 
+    
+    System.err.println("PageAction Error: unknown page specified!");
+    return unknownPage(page, request);
+    
     }
 
@@ -141 +142 @@
     
     }
+
+    /** if we dont know the page type, use this method */
+    protected Element unknownPage(Element page, Element request) {
+
+    String page_name = request.getAttribute(GSXML.SUBACTION_ATT);
+
+    String stylesheet = GSFile.stylesheetFile(config_, page_name+".xsl");
+    if (stylesheet==null) {
+        // return the home page instead
+        return homePage(page, request);
+    }
+
+    // extract the params from the cgi-request, 
+    Element cgi_paramList = (Element)GSXML.getChildByTagName(request, GSXML.PARAM_ELEM+GSXML.LIST_MODIFIER);
+    HashMap params = GSXML.extractParams(cgi_paramList, false);
+    
+    String coll_name = (String)params.get(GSCGI.COLLECTION_ARG);
+    if (coll_name == null || coll_name.equals("")) {
+        // just process an empty page using the stylesheet
+        Element page_response = doc_.createElement(GSXML.PAGE_RESPONSE_ELEM);
+        page.appendChild(page_response);
+    
+        Document style_doc = converter_.getDOM(new File(stylesheet));
+        GSXSLT.absoluteIncludePaths(style_doc, config_);
+        return (Element)transformer_.transform(style_doc, page);    
+        
+    }
+    // else get the coll description - actually this is the same as for the about page - should we merge these two methods??
+    
+    // if there is a service specified should we get the service description instead??
+    // get the collection or cluster description
+    Element coll_about_message = doc_.createElement(GSXML.MESSAGE_ELEM);
+    
+    Element coll_about_request = GSXML.createBasicRequest(doc_, GSXML.REQUEST_TYPE_DESCRIBE,  coll_name, page.getAttribute(GSXML.LANG_ATT));
+    coll_about_message.appendChild(coll_about_request);
+    
+    Element coll_about_response = (Element)mr_.process(coll_about_message);
+
+    // add the response to the page 
+    Element response = (Element) GSXML.getChildByTagName(coll_about_response, GSXML.RESPONSE_ELEM);
+    Element page_response = GSXML.duplicateWithNewName(doc_, response, "pageResponse", false);
+    page.appendChild(page_response);
+
+
+    Document style_doc = converter_.getDOM(new File(stylesheet));
+    GSXSLT.absoluteIncludePaths(style_doc, config_);
+    return (Element)transformer_.transform(style_doc, page);    
+    
+    }
 }