source: trunk/gsdl3/src/java/org/greenstone/gsdl3/action/SystemAction.java@ 4980

package org.greenstone.gsdl3.action;

import org.greenstone.gsdl3.core.ModuleInterface;
import org.greenstone.gsdl3.util.*;

// XML classes
import org.w3c.dom.Node; 
import org.w3c.dom.Element; 
import org.w3c.dom.Document; 

// other java stuff
import java.io.File;
import java.util.HashMap;

public class SystemAction extends Action {
    
    /** process a request */
    public Element process (Element message) {
    
    // assume only one request
    Element request = (Element)GSXML.getChildByTagName(message, GSXML.REQUEST_ELEM);
    
    String subaction = request.getAttribute(GSXML.SUBACTION_ATT);
    String lang = request.getAttribute(GSXML.LANG_ATT);
    // get the param list
    Element cgi_param_list = (Element)GSXML.getChildByTagName(request, GSXML.PARAM_ELEM+GSXML.LIST_MODIFIER);
    HashMap params = GSXML.extractParams(cgi_param_list, false);

    Element result = doc_.createElement(GSXML.MESSAGE_ELEM);
    
    String coll = (String)params.get(GSCGI.SYSTEM_CLUSTER_ARG);

    String to = "";
    if (coll!=null && !coll.equals("")) {
        to = coll;
    }

    Element mr_request_message = doc_.createElement(GSXML.MESSAGE_ELEM);
    Element mr_request = GSXML.createBasicRequest(doc_, GSXML.REQUEST_TYPE_SYSTEM, to, lang);
    mr_request_message.appendChild(mr_request);
    
    Element system = doc_.createElement(GSXML.SYSTEM_ELEM);
    mr_request.appendChild(system);
    
    // will need to change the following if can do more than one system request at once
    if (subaction.equals("c")) { // configure
        system.setAttribute(GSXML.TYPE_ATT, GSXML.SYSTEM_TYPE_CONFIGURE);
        String info = (String)params.get(GSCGI.SYSTEM_SUBSET_ARG);
        system.setAttribute(GSXML.SYSTEM_SUBSET_ATT, info);
    
    } else {
        String name = (String)params.get(GSCGI.SYSTEM_MODULE_NAME_ARG);
        String type = (String)params.get(GSCGI.SYSTEM_MODULE_TYPE_ARG);

        system.setAttribute(GSXML.SYSTEM_MODULE_NAME_ATT, name);
        system.setAttribute(GSXML.SYSTEM_MODULE_TYPE_ATT, type);
        
        if (subaction.equals("d")) { // delete
        system.setAttribute(GSXML.TYPE_ATT, GSXML.SYSTEM_TYPE_DEACTIVATE);

        } else if (subaction.equals("a")) { // add
        system.setAttribute(GSXML.TYPE_ATT, GSXML.SYSTEM_TYPE_ACTIVATE);
        } else {
        // create the default response
        // for now just have an error
        System.err.println("SystemAction error: bad subaction type");
        Element page_response = doc_.createElement(GSXML.RESPONSE_ELEM);
        result.appendChild(page_response);
    
        return result;
        }
    }

    Element response_message = mr_.process(mr_request_message);
    
    result.appendChild(GSXML.duplicateWithNewName(doc_, (Element)GSXML.getChildByTagName(response_message, GSXML.RESPONSE_ELEM), GSXML.RESPONSE_ELEM, true));
    return result;
    
    }

}