Changeset 25128 for main/trunk/greenstone3/src/java/org/greenstone/gsdl3/action/GeneralAction.java

Timestamp:

2012-02-21T16:26:17+13:00 (12 years ago)

Author:

sjm84

Message:

Second round of changes adding in the login ability, also interface options are now returned whenever site metadata is returned

File:

• main/trunk/greenstone3/src/java/org/greenstone/gsdl3/action/GeneralAction.java (modified) (6 diffs)

main/trunk/greenstone3/src/java/org/greenstone/gsdl3/action/GeneralAction.java

@@ -2 +2 @@
 
 import org.greenstone.gsdl3.util.*;
+import org.greenstone.util.GlobalProperties;
 // XML classes
+import org.w3c.dom.Document;
 import org.w3c.dom.Node;
 import org.w3c.dom.Element;
+import org.w3c.dom.NodeList;
 
+import java.io.File;
 import java.util.HashMap;
+
+import javax.xml.parsers.DocumentBuilder;
+import javax.xml.parsers.DocumentBuilderFactory;
+import javax.xml.transform.Result;
+import javax.xml.transform.Transformer;
+import javax.xml.transform.TransformerFactory;
+import javax.xml.transform.dom.DOMSource;
+import javax.xml.transform.stream.StreamResult;
 
 public class GeneralAction extends Action
@@ -31 +43 @@
         Element cgi_param_list = (Element) GSXML.getChildByTagName(request, GSXML.PARAM_ELEM + GSXML.LIST_MODIFIER);
         HashMap params = GSXML.extractParams(cgi_param_list, false);
+
+        if (params.get("configChangeName") != null && params.get("configChangeValue") != null)
+        {
+            String optionName = (String) params.get("configChangeName");
+            String optionValue = (String) params.get("configChangeValue");
+            
+            changeConfig(optionName, optionValue);
+        }
+
         String service_name = (String) params.get(GSParams.SERVICE);
         String cluster_name = (String) params.get(GSParams.CLUSTER);
@@ -66 +87 @@
             Element mr_query_message = this.doc.createElement(GSXML.MESSAGE_ELEM);
             Element mr_query_request = GSXML.createBasicRequest(this.doc, GSXML.REQUEST_TYPE_PROCESS, to, userContext);
-            
-            if(request_type.equals("s"))
+
+            if (request_type.equals("s"))
             {
                 mr_query_request.setAttribute(GSXML.TYPE_ATT, GSXML.REQUEST_TYPE_STATUS);
@@ -91 +112 @@
                 // just send the reponse as is
                 addSiteMetadata(result_response, userContext);
+                addInterfaceOptions(result_response);
                 return result_response;
             }
@@ -107 +129 @@
         mr_info_message.appendChild(mr_info_request);
         Element mr_info_response = (Element) this.mr.process(mr_info_message);
-        
+
         String path = GSXML.RESPONSE_ELEM;
         path = GSPath.appendLink(path, GSXML.SERVICE_ELEM);
@@ -118 +140 @@
 
         addSiteMetadata(page_response, userContext);
-        
+        addInterfaceOptions(page_response);
+
         return result;
     }
+    
+    protected void changeConfig (String optionName, String optionValue)
+    {
+        if(this.config_params.get(optionName) != null)
+        {
+            this.config_params.put(optionName, optionValue);
+            
+            File interfaceConfigFile = new File(GSFile.interfaceConfigFile(GSFile.interfaceHome(GlobalProperties.getGSDL3Home(), (String)this.config_params.get("interface_name"))));
+            
+            Document interfaceXML = null;
+            try
+            {
+                DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
+                DocumentBuilder db = dbf.newDocumentBuilder();
+                interfaceXML = db.parse(interfaceConfigFile);
+                Element topElement = interfaceXML.getDocumentElement();
+                Element optionListElem = (Element) GSXML.getChildByTagName(topElement, "optionList");
 
+                NodeList optionList = optionListElem.getElementsByTagName("option");
+                
+                for(int i = 0; i < optionList.getLength(); i++)
+                {
+                    Element currentOption = (Element)optionList.item(i);
+                    if(currentOption.getAttribute(GSXML.NAME_ATT) != null && currentOption.getAttribute(GSXML.NAME_ATT).equals(optionName))
+                    {
+                        currentOption.setAttribute(GSXML.VALUE_ATT, optionValue);
+                    }
+                }
+                
+                DOMSource source = new DOMSource(interfaceXML);
+                Result xmlresult = new StreamResult(interfaceConfigFile);
+
+                Transformer transformer = TransformerFactory.newInstance().newTransformer();
+                transformer.transform(source, xmlresult);
+            }
+            catch(Exception ex)
+            {
+                ex.printStackTrace();
+            }
+        }
+        else
+        {
+            logger.error("Could not set param \"" + optionName + "\" to \"" + optionValue + "\" because that option does not exist.");
+        }
+    }
 }