Changeset 36642 for main/trunk/greenstone3/src/java/org/greenstone/gsdl3/core/DefaultReceptionist.java

Timestamp:

2022-09-20T11:33:23+12:00 (19 months ago)

Author:

kjdon

Message:

adding pathList into all pages, if not there already. - want to have group info present for breadcrumb display

File:

• main/trunk/greenstone3/src/java/org/greenstone/gsdl3/core/DefaultReceptionist.java (modified) (7 diffs)

main/trunk/greenstone3/src/java/org/greenstone/gsdl3/core/DefaultReceptionist.java

@@ -3 +3 @@
 import org.greenstone.gsdl3.util.*;
 import org.greenstone.gsdl3.action.*;
+import org.greenstone.gsdl3.service.CollectionGroups;
 // XML classes
 import org.w3c.dom.Node;
@@ -11 +12 @@
 // other java classes
 import java.io.File;
+import java.io.Serializable;
 import java.util.HashMap;
 import java.util.Enumeration;
@@ -21 +23 @@
 
     static Logger logger = Logger.getLogger(org.greenstone.gsdl3.core.DefaultReceptionist.class.getName());
+
+  // this gets set to the groupInfo service name if there is one.
+  protected String groupInfoServiceName = null;
 
     /**
@@ -49 +54 @@
             return;
         }
-        Element coll_param = GSXML.getNamedElement(param_list, GSXML.PARAM_ELEM, GSXML.NAME_ATT, GSParams.COLLECTION);
-        if (coll_param == null)
+                HashMap<String, Serializable> params = GSXML.extractParams(param_list, false);
+                String coll_name = (String)params.get(GSParams.COLLECTION);
+        if (coll_name == null)
         {
             logger.debug(" coll param is null, returning");
@@ -56 +62 @@
         }
 
-        // see if the collection/cluster element is already there
-        String coll_name = coll_param.getAttribute(GSXML.VALUE_ATT);
         UserContext userContext = new UserContext(page_request);
 
         if (coll_name.equals(""))
         {
-            Element pc_param = GSXML.getNamedElement(param_list, GSXML.PARAM_ELEM, GSXML.NAME_ATT, "p.c");
-            if (pc_param != null)
-            {
-                coll_name = pc_param.getAttribute(GSXML.VALUE_ATT);
-            }
+                  coll_name = (String)params.get("p.c");
         }
 
@@ -110 +110 @@
         }
         
+                // have we got group param, and pathList??
+                String group = (String)params.get(GSParams.GROUP);
+                if (group != null && !group.equals("")) {
+                  // ...yes we do. add group path info if not already present
+                  Element path_list = (Element) GSXML.getChildByTagName(page_response, GSXML.PATH_ELEM + GSXML.LIST_MODIFIER);
+                  if (path_list == null) {
+                    // lets get it now
+
+                    Element group_info_response = getGroupInfo(group, userContext);
+                    if (group_info_response != null) {
+                      path_list = (Element) GSXML.getChildByTagName(group_info_response,GSXML.PATH_ELEM + GSXML.LIST_MODIFIER);
+                      if (path_list != null) {
+                        page_response.appendChild(doc.importNode(path_list, true));
+                      }
+                    }
+                  }
+                }
 
         // have got a coll description
@@ -195 +212 @@
         }
     }
+
+  // copied from pageaction - put in a single place
+    /** sends a request to GroupCurrentContent service to get group info. null group will give top level info,
+      otherwise will just give info for specified group */
+  protected Element getGroupInfo(String group, UserContext userContext) {
+
+    if (groupInfoServiceName == null) {
+      // this is the first time we have come here, set this up
+      
+      if (this.mr instanceof MessageRouter && ((MessageRouter)this.mr).pingModule(CollectionGroups.GROUP_CONTENT_SERVICE)) {
+        this.groupInfoServiceName = CollectionGroups.GROUP_CONTENT_SERVICE;
+      } else {
+        this.groupInfoServiceName = "NO_GROUPS";
+      }
+    }
+    if (this.groupInfoServiceName.equals ("NO_GROUPS")) {
+      return null;
+    }
+    // otherwise lets get the group info
+    Document doc = XMLConverter.newDOM();
+    // collections and groups list
+    Element group_info_message = doc.createElement(GSXML.MESSAGE_ELEM);
+    Element group_info_request = GSXML.createBasicRequest(doc, GSXML.TO_ATT, this.groupInfoServiceName, userContext);
+    group_info_message.appendChild(group_info_request);
+    if (group != null) {
+      Element param_list = doc.createElement(GSXML.PARAM_ELEM + GSXML.LIST_MODIFIER);
+      GSXML.addParameterToList(param_list, GSParams.GROUP, group);
+      group_info_request.appendChild(param_list);
+    }
+    // send off the request
+    Element group_info_response_message = (Element) this.mr.process(group_info_message);
+    Element group_info_response = (Element) GSXML.getChildByTagName(group_info_response_message, GSXML.RESPONSE_ELEM);
+    return group_info_response;
+  }
+
 }