edu.du.penrose.systems.fedoraApp.web.bus.GetFedorObjFormController.java Source code

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Here is the source code for edu.du.penrose.systems.fedoraApp.web.bus.GetFedorObjFormController.java

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/*
 * Copyright 2012 University of Denver
 * Author Chet Rebman
 * 
 * This file is part of FedoraApp.
 * 
 * FedoraApp is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 * 
 * FedoraApp is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with FedoraApp.  If not, see <http://www.gnu.org/licenses/>.
*/

package edu.du.penrose.systems.fedoraApp.web.bus;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.springframework.web.servlet.mvc.SimpleFormController;
import org.springframework.web.servlet.ModelAndView;
import org.springframework.validation.BindException;

import edu.du.penrose.systems.fedoraApp.web.data.GetFedoraObjCmd;

//import fedora.server.types.gen.Datastream;    //. 2.2
//import fedora.server.types.gen.ObjectFields;
//import fedora.server.access.FedoraAPIA;

import org.fcrepo.server.types.gen.ObjectFields; // 3.4
import org.fcrepo.server.access.FedoraAPIA;

import edu.du.penrose.systems.fedora.client.Administrator;

//import fedora.client.objecteditor.Util;

import edu.du.penrose.systems.fedora.client.objecteditor.Util;
import edu.du.penrose.systems.util.MyServletContextListener;

/**
 * Form controller to retrieve an object based on its PID from the Fedora
 * repository.
 * 
 * @author chet.rebman
 *
 */
public class GetFedorObjFormController extends SimpleFormController {

    protected Object formBackingObject(HttpServletRequest request) throws Exception {

        GetFedoraObjCmd commandObj = new GetFedoraObjCmd();

        return commandObj;
    }

    protected ModelAndView processFormSubmission(HttpServletRequest request, HttpServletResponse response,
            Object command, BindException errors) throws Exception {

        // request.getParameter( "objectPID")

        GetFedoraObjCmd getFOcmd = (GetFedoraObjCmd) command;
        Administrator administrator = (Administrator) request.getSession()
                .getAttribute("edu.du.penrose.systems.fedora.client.Administrator");

        // query the server for field object fields

        try {
            GetFedorObjFormController.getFedoraObj(request, administrator.getAPIA(), getFOcmd.getObjectPID());
        } catch (Exception e) {
            errors.rejectValue("objectPID", null, e.getMessage());
        }

        return super.processFormSubmission(request, response, command, errors);

    } // processFormSubmission

    public ModelAndView onSubmit(HttpServletRequest request, HttpServletResponse response, Object command,
            BindException errors) throws Exception {

        GetFedoraObjCmd getFOcmd = (GetFedoraObjCmd) command;

        return new ModelAndView(MyServletContextListener.JSP_URI_PATH + "viewFO.jsp?" + getFOcmd.getObjectPID());
    }

    /**
     * Get a fedora object from the fedora server.
     * 
     * TBD Is this the best place for this?
     * 
     * @param request OPTIONAL HTTP request object  used to save results for jsp
     * pages. Set to null if there is no request object.
     * @param apia
     * @param objectPID
     * @return The result fedora object fields.
     * @throws Exception 
     */
    static public ObjectFields getFedoraObj(HttpServletRequest request, FedoraAPIA apia, String objectPID)
            throws Exception {

        ObjectFields results = Util.getObjectFields(apia, objectPID,
                new String[] { "pid", "state", "label", "cModel", "cDate", "mDate", "ownerId", "fType" });

        if (request != null) {
            request.setAttribute("fedora.server.types.gen.ObjectFields", results);
        }

        return results;

    } // getFedoraObj

} // GetFedorObjFormController