it.cilea.osd.common.controller.SimpleController.java Source code

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Here is the source code for it.cilea.osd.common.controller.SimpleController.java

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/**
 * Cilea Commons Framework
 * 
 * Copyright (c) 2008, CILEA and third-party contributors as
 *  indicated by the @author tags or express copyright attribution
 *  statements applied by the authors.  All third-party contributions are
 *  distributed under license by CILEA.
 * 
 *  This copyrighted material is made available to anyone wishing to use, modify,
 *  copy, or redistribute it subject to the terms and conditions of the GNU
 *  Lesser General Public License v3 or any later version, as published 
 *  by the Free Software Foundation, Inc. <http://fsf.org/>.
 * 
 *  This program 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 Lesser General Public License
 *  for more details.
 * 
 *   You should have received a copy of the GNU Lesser General Public License
 *   along with this distribution; if not, write to:
 *   Free Software Foundation, Inc.
 *   51 Franklin Street, Fifth Floor
 *   Boston, MA  02110-1301  USA
 */
package it.cilea.osd.common.controller;

import it.cilea.osd.common.service.IPersistenceService;

import java.util.HashMap;
import java.util.List;
import java.util.Map;

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

import org.springframework.web.servlet.ModelAndView;

public class SimpleController extends BaseAbstractController {

    public SimpleController(Class<?> objectClass) {
        this.objectClass = objectClass;
    }

    protected IPersistenceService applicationService;
    protected Class<?> objectClass;
    private String i18nPrefix = "action";

    public void setI18nPrefix(String prefix) {
        i18nPrefix = prefix;
    }

    public void setApplicationService(IPersistenceService applicationService) {
        this.applicationService = applicationService;
    }

    @Override
    protected ModelAndView handleRequestInternal(HttpServletRequest request, HttpServletResponse response)
            throws Exception {
        ModelAndView retValue = null;
        if ("details".equals(method))
            retValue = handleDetails(request);
        else if ("list".equals(method))
            retValue = handleList(request);
        else if ("delete".equals(method))
            retValue = handleDelete(request);
        return retValue;
    }

    protected ModelAndView handleDetails(HttpServletRequest request)
            throws InstantiationException, IllegalAccessException, ClassNotFoundException {
        Map<String, Object> model = new HashMap<String, Object>();
        String paramId = request.getParameter("id");
        Integer objectId = Integer.valueOf(paramId);

        model.put("domainObject", applicationService.get(objectClass, objectId));
        return new ModelAndView(getDetailsView(), model);
    }

    protected ModelAndView handleList(HttpServletRequest request) {
        Map<String, Object> model = new HashMap<String, Object>();

        List<?> list = applicationService.getList(objectClass);
        model.put("objectList", list);
        return new ModelAndView(getListView(), model);
    }

    private ModelAndView handleDelete(HttpServletRequest request) {
        Map<String, Object> model = new HashMap<String, Object>();
        String paramId = request.getParameter("id");
        Integer id = Integer.valueOf(paramId);

        try {
            applicationService.delete(objectClass, id);
            saveMessage(request, getText(i18nPrefix + ".deleted", request.getLocale()));
        } catch (Exception e) {
            saveMessage(request, getText(i18nPrefix + ".notdeleted", request.getLocale()));

            return new ModelAndView(getErrorView(), model);
        }
        return new ModelAndView(getListView(), model);
    }
}