Changeset 4904 for trunk/gsdl3/src/java/org/greenstone/gsdl3/Library2.java

Timestamp:

2003-07-11T16:30:27+12:00 (21 years ago)

Author:

kjdon

Message:

trying to make this work with cgi args - not quite there yet I think

File:

• trunk/gsdl3/src/java/org/greenstone/gsdl3/Library2.java (modified) (7 diffs)

trunk/gsdl3/src/java/org/greenstone/gsdl3/Library2.java

@@ -22 +22 @@
 import org.greenstone.gsdl3.util.*;
 
+import org.w3c.dom.Document;
+import org.w3c.dom.Element;
+
 import java.io.BufferedReader;
 import java.io.InputStreamReader;
@@ -27 +30 @@
 import java.io.IOException;
 import java.util.HashMap;
+import java.util.Set;
+import java.util.Iterator;
 /**
- * A program to take XML cgi-input from the command line and return html
+ * A program to take cgi args from the command line and return html
  *
  * @author <a href="mailto:[email protected]">Katherine Don</a>
@@ -36 +41 @@
 final public class Library2 {
  
+    protected XMLConverter converter = null;
+    protected Document doc = null;
+    
+    protected HashMap saved_args = null;
+    protected GSCGI cgi = null;
+    protected WebReceptionist recept = null;
+    
+    public Library2 (){
+    this.converter = new XMLConverter();
+    this.doc = converter.newDOM();
+    this.saved_args = new HashMap();
+    this.cgi = new GSCGI();
+    this.recept = new WebReceptionist();
+    }
+    
+    public void configure(String gsdl_home, String site_name, String interface_name) {
+
+    HashMap config_params = new HashMap();
+    config_params.put(GSConstants.GSDL3_HOME, gsdl_home);
+    config_params.put(GSConstants.SITE_NAME, site_name);
+    config_params.put(GSConstants.INTERFACE_NAME, interface_name);
+    // new message router - create it and pass a handle to recept.
+    // the servlet wont use this directly
+    MessageRouter message_router = new MessageRouter();
+    
+    message_router.setSiteHome(GSFile.siteHome(gsdl_home, site_name));
+    message_router.configure();
+    // new receptionist
+    recept.setConfigParams(config_params);
+    recept.setMessageRouter(message_router);
+    recept.configure();
+    recept.setCGI(cgi);
+    }
     public static void main(String args[]) {
 
@@ -42 +80 @@
         System.exit(1);
     }
-
-    HashMap config_params = new HashMap();
-    config_params.put(GSConstants.GSDL3_HOME, args[0]);
-    config_params.put(GSConstants.SITE_NAME, args[1]);
-    config_params.put(GSConstants.INTERFACE_NAME, args[2]);
-    // new message router - create it and pass a handle to recept.
-    // the servlet wont use this directly
-    MessageRouter message_router_ = new MessageRouter();
     
-    message_router_.setSiteHome(GSFile.siteHome(args[0], args[1]));
-    message_router_.configure();
-    // new receptionist
-    Receptionist recept_ = new Receptionist();
-    recept_.setConfigParams(config_params);
-    recept_.setMessageRouter(message_router_);
-    recept_.configure();
+    Library2 library = new Library2();
+    library.configure(args[0], args[1], args[2]);
+    
 
     BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
@@ -63 +89 @@
     String result=null;
     while (true) {
-        System.out.println("Please enter an XML representation of cgi params (all on one line), or 'exit' to quit");
+        System.out.println("Please enter the  cgi args (all on one line), or 'exit' to quit (default a=p&sa=home)");
         try {
         query = br.readLine();
@@ -72 +98 @@
         System.exit(1);
         }
+
+        result = library.process(query);
         
-        result = recept_.process(query);
-
         System.out.println(result);
 
@@ -80 +106 @@
     }
 
-    }    
+    } 
+
+    protected String process(String query) {
+    Element xml_message  = generateRequest(query);
+    System.out.println("*********************");
+    System.out.println(converter.getPrettyString(xml_message));
+    Element xml_result = recept.process(xml_message);
+    return this.converter.getPrettyString(xml_result);
+    }
+    protected Element generateRequest(String cgiargs) {
+
+    Element xml_message = this.doc.createElement(GSXML.MESSAGE_ELEM);
+    Element xml_request = GSXML.createBasicRequest(this.doc, GSXML.REQUEST_TYPE_PAGE, "", "");
+    xml_message.appendChild(xml_request);
+    Element xml_param_list = this.doc.createElement(GSXML.PARAM_ELEM+GSXML.LIST_MODIFIER);
+    xml_request.appendChild(xml_param_list);
+
+    // the defaults
+    String action = "p";
+    String subaction = "home";
+    String lang = (String)saved_args.get(GSCGI.LANGUAGE_ARG);
+    if (lang == null) {
+        lang = "en";
+    }
+    String output = "html";
+    
+    String args [] = cgiargs.split("&");
+    for (int i=0; i<args.length; i++) {
+        String arg = args[i];
+        int pos = arg.indexOf('=');
+        if (pos == -1) continue;
+        String name = arg.substring(0, pos);
+        String value = arg.substring(pos+1);
+        if (name.equals(GSCGI.ACTION_ARG)) {
+        action = value;
+        } else if (name.equals(GSCGI.SUBACTION_ARG)) {
+        subaction = (value);
+        } else if (name.equals(GSCGI.LANGUAGE_ARG)) {
+        lang = value;
+        saved_args.put(name, value);
+        } else if (name.equals(GSCGI.OUTPUT_ARG)) {
+        output = value;
+        } else if ( cgi.shouldSave(name)) {
+        saved_args.put(name, value);
+        } else {
+        // make a param now
+        Element param = doc.createElement(GSXML.PARAM_ELEM);
+        param.setAttribute(GSXML.NAME_ATT, name);
+        param.setAttribute(GSXML.VALUE_ATT, GSXML.xmlSafe(value));
+        }
+    }
+
+    xml_request.setAttribute(GSXML.OUTPUT_ATT, output);
+    xml_request.setAttribute(GSXML.ACTION_ATT, action);
+    xml_request.setAttribute(GSXML.SUBACTION_ATT, subaction);
+    xml_request.setAttribute(GSXML.LANG_ATT, lang);
+
+
+    // put in all the params from the session cache
+    Set params = saved_args.keySet();
+    Iterator i = params.iterator();
+    while (i.hasNext()) {
+        String name = (String)i.next();
+        if (name.equals(GSCGI.LANGUAGE_ARG)) continue;
+        Element param = this.doc.createElement(GSXML.PARAM_ELEM);
+        param.setAttribute(GSXML.NAME_ATT, name);
+        param.setAttribute(GSXML.VALUE_ATT, GSXML.xmlSafe((String)saved_args.get(name)));
+        xml_param_list.appendChild(param);
+    }
+
+    return xml_message;
+    }
 }