SessionFinder.java

/* (c) 2014 Open Source Geospatial Foundation - all rights reserved
 * (c) 2001 - 2013 OpenPlans
 * This code is licensed under the GPL 2.0 license, available at the root
 * application directory.
 */
package org.geoserver.script.rest;

import org.geoserver.rest.RestletException;
import org.geoserver.script.ScriptManager;
import org.restlet.data.Request;
import org.restlet.data.Response;
import org.restlet.data.Status;
import org.restlet.resource.Resource;

/**
 * Finder for {@link ScriptResource} instances.
 * 
 * @author Justin Deoliveira, OpenGeo
 *
 */
public class SessionFinder extends FinderSupport {

    public SessionFinder(ScriptManager scriptMgr) {
        super(scriptMgr);
    }

    @Override
    protected Resource doFindTarget(Request request, Response response) {
        if (request.getAttributes().containsKey("ext")) {
            String ext = (String) request.getAttributes().get("ext");
            if (!scriptMgr.hasEngineForExtension(ext)) {
                throw new RestletException(
                    "Unsupported language: " + ext, Status.CLIENT_ERROR_NOT_FOUND);
            }
        }
        if (request.getAttributes().containsKey("sessson")) {
            try {
                long session = Long.valueOf((String)request.getAttributes().get("session"));
                if (scriptMgr.findSession(session) == null) {
                    throw new RestletException(
                        "No such session: " + session, Status.CLIENT_ERROR_NOT_FOUND);
                }
            }
            catch(NumberFormatException e) {
                throw new RestletException(
                    "Session must be numeric", Status.CLIENT_ERROR_NOT_FOUND, e);
            }
        }
        return new SessionResource(scriptMgr, request, response);
    }
}