source: main/trunk/greenstone3/src/java/org/greenstone/gsdl3/util/Request.java@ 32114

package org.greenstone.gsdl3.util;

import org.greenstone.gsdl3.core.ModuleInterface;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
public class Request {
    
    private Document document = null;
    private UserContext userContext = null;
    private ModuleInterface operator = null;
    private String type = null;
    private String to = "";
/**
 * 
 * @param userContext
 * @param router
 * @param requestType
 * @param doc Document for request
 */
    public Request(Document doc, UserContext userContext, ModuleInterface router, String requestType) {
        assert(router != null);
        assert(requestType != null);
        assert(doc != null);
        this.document = doc;
        this.userContext = userContext;
        this.operator = router;
        this.type = requestType;
    }
/**
 * 
 * @param docList requested document list
 * @param paramList request parameters
 * @return
 */
    public Element send(Element docList, Element paramList) {
        Element message = document.createElement(GSXML.MESSAGE_ELEM);
        Element request = GSXML.createBasicRequest(document, type, to, userContext);
        message.appendChild(request);
        request.appendChild(paramList);
        request.appendChild(docList);
        Element response = (Element) operator.process(message);
        return response;
    }
    public Element send() {
        Element message = document.createElement(GSXML.MESSAGE_ELEM);
        Element request = GSXML.createBasicRequest(document, type, to, userContext);
        message.appendChild(request);
        Element response = (Element) operator.process(message);
        return response;
    }
    /**
     * 
     * @param collection target collection
     * @param service target service
     */
    public void setToCollectionService(String collection, String service) {
        this.to = GSPath.appendLink(collection, service);
    }
}