Changeset 3909

Timestamp:

2003-03-19T14:20:52+12:00 (21 years ago)

Author:

kjdon

Message:

added methods to return format info for a service

File:

• trunk/gsdl3/src/java/org/greenstone/gsdl3/service/ServiceRack.java (modified) (7 diffs)

trunk/gsdl3/src/java/org/greenstone/gsdl3/service/ServiceRack.java

@@ -82 +82 @@
     description */
     protected HashMap service_info_map_ = null;
+    /** XML element for stylesheet requests - map of service name to format 
+    elem */
+    protected HashMap format_info_map_ = null;
 
     /** sets the cluster name */
@@ -108 +111 @@
     short_service_info_ = doc_.createElement(GSXML.SERVICE_ELEM+GSXML.LIST_MODIFIER);
     service_info_map_ = new HashMap();
+    format_info_map_ = new HashMap();
     }
     
@@ -165 +169 @@
         }
         
+        } else if (type.equals(GSXML.REQUEST_TYPE_FORMAT)) {
+        Element response = processFormat(request);
+            mainResult.appendChild(doc_.importNode(response, true));
+        
+           
         } else {
         // other type of request, must be processed by the subclass - 
@@ -257 +266 @@
     }
 
+    /** process method for stylesheet requests
+     */
+    protected Element processFormat(Element request) {
+    Element response = doc_.createElement(GSXML.RESPONSE_ELEM);
+    response.setAttribute(GSXML.TYPE_ATT, GSXML.REQUEST_TYPE_FORMAT);
+    
+    String to = GSPath.getFirstLink(request.getAttribute(GSXML.TO_ATT));
+    
+    if (to.equals("")) { // serviceRack query - is this appropriate??
+        return response;
+    } 
+    
+    
+    // describe a particular service    
+    if (format_info_map_.containsKey(to)) {
+        response.appendChild(getServiceFormat(to));
+        response.setAttribute(GSXML.FROM_ATT, to);
+        return response;
+    }
+    // else error in to field
+    System.err.println("ServiceRack describe request: no format info for "+to+".");
+    return response;
+    }   
+    
     // the following two should be overwritten for info with any language stuff in it
     /** returns the service list for the subclass */
@@ -263 +296 @@
     return short_service_info_;
     }
-
+    
     /** returns a specific service description */
     protected Element getServiceDescription(String service, String lang) {
@@ -273 +306 @@
     }
     
+    
     /** adds the display element into the description - appends to the root for now, but may do something fancy later */
     protected boolean addServiceDisplay(Element descript, Element display) {
@@ -282 +316 @@
     }
 
+    protected Element getServiceFormat(String service) {
+    Element format = (Element)((Element)format_info_map_.get(service)).cloneNode(true);
+    return format;
+    }
     /** creates a display element containing all the text strings needed to display the service page, in the language specified */
     abstract protected Element createServiceDisplay(String service, String lang);