com.liferay.docs.guestbook.portlet.GuestbookMVCPortlet.java Source code

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Here is the source code for com.liferay.docs.guestbook.portlet.GuestbookMVCPortlet.java

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/**
 * Copyright 2000-present Liferay, Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.liferay.docs.guestbook.portlet;

import com.liferay.docs.guestbook.constants.GuestbookPortletKeys;
import com.liferay.docs.guestbook.model.Entry;
import com.liferay.docs.guestbook.model.Guestbook;
import com.liferay.docs.guestbook.service.EntryService;
import com.liferay.docs.guestbook.service.GuestbookService;
import com.liferay.portal.kernel.exception.PortalException;
import com.liferay.portal.kernel.portlet.bridges.mvc.MVCPortlet;
import com.liferay.portal.kernel.service.ServiceContext;
import com.liferay.portal.kernel.service.ServiceContextFactory;
import com.liferay.portal.kernel.servlet.SessionErrors;
import com.liferay.portal.kernel.servlet.SessionMessages;
import com.liferay.portal.kernel.util.ParamUtil;
import com.liferay.portal.kernel.util.PortalUtil;

import java.io.IOException;

import java.util.List;

import javax.portlet.ActionRequest;
import javax.portlet.ActionResponse;
import javax.portlet.Portlet;
import javax.portlet.PortletException;
import javax.portlet.RenderRequest;
import javax.portlet.RenderResponse;

import org.osgi.service.component.annotations.Component;
import org.osgi.service.component.annotations.Reference;

/**
 * @author liferay
 */
@Component(immediate = true, property = { "com.liferay.portlet.display-category=category.social",
        "com.liferay.portlet.instanceable=false", "com.liferay.portlet.scopeable=true",
        "javax.portlet.display-name=Guestbook", "javax.portlet.expiration-cache=0",
        "javax.portlet.init-param.template-path=/",
        "javax.portlet.init-param.view-template=/html/guestbookmvcportlet/view.jsp",
        "javax.portlet.name=" + GuestbookPortletKeys.GUESTBOOK, "javax.portlet.resource-bundle=content.Language",
        "javax.portlet.security-role-ref=power-user,user",
        "javax.portlet.supports.mime-type=text/html" }, service = Portlet.class)
public class GuestbookMVCPortlet extends MVCPortlet {

    public void addEntry(ActionRequest request, ActionResponse response) throws PortalException {

        ServiceContext serviceContext = ServiceContextFactory.getInstance(Entry.class.getName(), request);

        String userName = ParamUtil.getString(request, "name");
        String email = ParamUtil.getString(request, "email");
        String message = ParamUtil.getString(request, "message");
        long guestbookId = ParamUtil.getLong(request, "guestbookId");
        long entryId = ParamUtil.getLong(request, "entryId");

        if (entryId > 0) {
            try {
                _entryService.updateEntry(serviceContext.getUserId(), guestbookId, entryId, userName, email,
                        message, serviceContext);

                SessionMessages.add(request, "entryAdded");

                response.setRenderParameter("guestbookId", Long.toString(guestbookId));
            } catch (Exception e) {
                System.out.println(e);

                Class<?> clazz = e.getClass();

                SessionErrors.add(request, clazz.getName());

                PortalUtil.copyRequestParameters(request, response);

                response.setRenderParameter("mvcPath", "/html/guestbookmvcportlet/edit_entry.jsp");
            }
        } else {
            try {
                _entryService.addEntry(serviceContext.getUserId(), guestbookId, userName, email, message,
                        serviceContext);

                SessionMessages.add(request, "entryAdded");

                response.setRenderParameter("guestbookId", Long.toString(guestbookId));
            } catch (Exception e) {
                Class<?> clazz = e.getClass();

                SessionErrors.add(request, clazz.getName());

                PortalUtil.copyRequestParameters(request, response);

                response.setRenderParameter("mvcPath", "/html/guestbookmvcportlet/edit_entry.jsp");
            }
        }
    }

    public void addGuestbook(ActionRequest request, ActionResponse response) throws PortalException {

        ServiceContext serviceContext = ServiceContextFactory.getInstance(Guestbook.class.getName(), request);

        String name = ParamUtil.getString(request, "name");

        try {
            _guestbookService.addGuestbook(serviceContext.getUserId(), name, serviceContext);

            SessionMessages.add(request, "guestbookAdded");
        } catch (Exception e) {
            Class<?> clazz = e.getClass();

            SessionErrors.add(request, clazz.getName());

            response.setRenderParameter("mvcPath", "/html/guestbookmvcportlet/edit_guestbook.jsp");
        }
    }

    public void deleteEntry(ActionRequest request, ActionResponse response) {
        long entryId = ParamUtil.getLong(request, "entryId");
        long guestbookId = ParamUtil.getLong(request, "guestbookId");

        try {
            ServiceContext serviceContext = ServiceContextFactory.getInstance(Entry.class.getName(), request);

            response.setRenderParameter("guestbookId", Long.toString(guestbookId));

            _entryService.deleteEntry(entryId, serviceContext);
        } catch (Exception e) {
            System.out.println(e);

            Class<?> clazz = e.getClass();

            SessionErrors.add(request, clazz.getName());
        }
    }

    @Override
    public void render(RenderRequest renderRequest, RenderResponse renderResponse)
            throws IOException, PortletException {

        try {
            ServiceContext serviceContext = ServiceContextFactory.getInstance(Guestbook.class.getName(),
                    renderRequest);

            long groupId = serviceContext.getScopeGroupId();

            long guestbookId = ParamUtil.getLong(renderRequest, "guestbookId");

            List<Guestbook> guestbooks = _guestbookService.getGuestbooks(groupId);

            if (guestbooks.isEmpty()) {
                Guestbook guestbook = _guestbookService.addGuestbook(serviceContext.getUserId(), "Main",
                        serviceContext);

                guestbookId = guestbook.getGuestbookId();
            }

            if (guestbookId == 0) {
                guestbookId = guestbooks.get(0).getGuestbookId();
            }

            renderRequest.setAttribute("guestbookId", guestbookId);
        } catch (Exception e) {
            throw new PortletException(e);
        }

        super.render(renderRequest, renderResponse);
    }

    @Reference(unbind = "-")
    protected void setEntryService(EntryService entryService) {
        _entryService = entryService;
    }

    @Reference(unbind = "-")
    protected void setGuestbookService(GuestbookService guestbookService) {
        _guestbookService = guestbookService;
    }

    private EntryService _entryService;
    private GuestbookService _guestbookService;

}