com.liferay.alloy.mvc.AlloyPortlet.java Source code

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Here is the source code for com.liferay.alloy.mvc.AlloyPortlet.java

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/**
 * Copyright (c) 2000-present Liferay, Inc. All rights reserved.
 *
 * This library is free software; you can redistribute it and/or modify it under
 * the terms of the GNU Lesser General Public License as published by the Free
 * Software Foundation; either version 2.1 of the License, or (at your option)
 * any later version.
 *
 * This library 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.
 */

package com.liferay.alloy.mvc;

import com.liferay.portal.kernel.log.Log;
import com.liferay.portal.kernel.log.LogFactoryUtil;
import com.liferay.portal.kernel.messaging.MessageBusUtil;
import com.liferay.portal.kernel.messaging.MessageListener;
import com.liferay.portal.kernel.portlet.FriendlyURLMapper;
import com.liferay.portal.kernel.portlet.LiferayPortletConfig;
import com.liferay.portal.kernel.portlet.Router;
import com.liferay.portal.kernel.scheduler.SchedulerEngineHelperUtil;
import com.liferay.portal.kernel.scheduler.StorageType;
import com.liferay.portal.kernel.search.Indexer;
import com.liferay.portal.kernel.search.IndexerRegistryUtil;
import com.liferay.portal.kernel.servlet.HttpMethods;
import com.liferay.portal.kernel.util.JavaConstants;
import com.liferay.portal.kernel.util.ParamUtil;
import com.liferay.portal.kernel.util.StringBundler;
import com.liferay.portal.kernel.util.Validator;
import com.liferay.portal.model.Portlet;

import java.io.IOException;

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

import javax.portlet.ActionRequest;
import javax.portlet.ActionResponse;
import javax.portlet.GenericPortlet;
import javax.portlet.PortletConfig;
import javax.portlet.PortletContext;
import javax.portlet.PortletException;
import javax.portlet.PortletRequest;
import javax.portlet.PortletRequestDispatcher;
import javax.portlet.PortletResponse;
import javax.portlet.RenderRequest;
import javax.portlet.RenderResponse;
import javax.portlet.ResourceRequest;
import javax.portlet.ResourceResponse;

/**
 * @author Brian Wing Shun Chan
 */
public class AlloyPortlet extends GenericPortlet {

    @Override
    public void destroy() {
        for (BaseAlloyControllerImpl baseAlloyControllerImpl : _alloyControllers.values()) {

            Indexer indexer = baseAlloyControllerImpl.indexer;

            if (indexer != null) {
                IndexerRegistryUtil.unregister(indexer);
            }

            MessageListener controllerMessageListener = baseAlloyControllerImpl.controllerMessageListener;

            if (controllerMessageListener != null) {
                MessageBusUtil.removeDestination(baseAlloyControllerImpl.getControllerDestinationName());
            }

            MessageListener schedulerMessageListener = baseAlloyControllerImpl.schedulerMessageListener;

            if (schedulerMessageListener != null) {
                try {
                    SchedulerEngineHelperUtil.unschedule(baseAlloyControllerImpl.getSchedulerJobName(),
                            baseAlloyControllerImpl.getMessageListenerGroupName(), StorageType.MEMORY_CLUSTERED);

                    MessageBusUtil.removeDestination(baseAlloyControllerImpl.getSchedulerDestinationName());
                } catch (Exception e) {
                    _log.error(e, e);
                }
            }
        }
    }

    @Override
    public void init(PortletConfig portletConfig) throws PortletException {
        super.init(portletConfig);

        LiferayPortletConfig liferayPortletConfig = (LiferayPortletConfig) portletConfig;

        Portlet portlet = liferayPortletConfig.getPortlet();

        FriendlyURLMapper friendlyURLMapper = portlet.getFriendlyURLMapperInstance();

        Router router = friendlyURLMapper.getRouter();

        router.urlToParameters(HttpMethods.GET, _defaultRouteParameters);
    }

    @Override
    public void processAction(ActionRequest actionRequest, ActionResponse actionResponse)
            throws IOException, PortletException {

        String actionName = ParamUtil.getString(actionRequest, ActionRequest.ACTION_NAME);

        if (actionName.equals("alloyDataRequest")) {
            try {
                AlloyDataRequestProcessor.process(actionRequest, actionResponse, _alloyControllers);
            } catch (Exception e) {
                throw new IOException(e);
            }

            return;
        }

        String path = getPath(actionRequest);

        include(path, actionRequest, actionResponse);
    }

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

        String path = getPath(renderRequest);

        include(path, renderRequest, renderResponse);
    }

    @Override
    public void serveResource(ResourceRequest resourceRequest, ResourceResponse resourceResponse)
            throws IOException, PortletException {

        String path = getPath(resourceRequest);

        include(path, resourceRequest, resourceResponse);
    }

    protected String getControllerPath(PortletRequest portletRequest) {
        String controllerPath = ParamUtil.getString(portletRequest, "controller");

        if (Validator.isNull(controllerPath)) {
            Map<String, String> defaultRouteParameters = getDefaultRouteParameters();

            controllerPath = defaultRouteParameters.get("controller");
        }

        return controllerPath;
    }

    protected Map<String, String> getDefaultRouteParameters() {
        /*Map<String, String> defaultRouteParameters =
           new HashMap<String, String[]>();
            
        defaultRouteParameters.put("controller", new String[] {"assets"});
        defaultRouteParameters.put("action", new String[] {"index"});
            
        return defaultRouteParameters;*/

        return _defaultRouteParameters;
    }

    protected String getPath(PortletRequest portletRequest) {
        LiferayPortletConfig liferayPortletConfig = (LiferayPortletConfig) portletRequest
                .getAttribute(JavaConstants.JAVAX_PORTLET_CONFIG);

        Portlet portlet = liferayPortletConfig.getPortlet();

        String controllerPath = getControllerPath(portletRequest);

        StringBundler sb = new StringBundler(5);

        sb.append("/WEB-INF/jsp/");
        sb.append(portlet.getFriendlyURLMapping());
        sb.append("/controllers/");
        sb.append(controllerPath);
        sb.append("_controller.jsp");

        return sb.toString();
    }

    protected void include(String path, PortletRequest portletRequest, PortletResponse portletResponse)
            throws IOException, PortletException {

        PortletContext portletContext = getPortletContext();

        PortletRequestDispatcher portletRequestDispatcher = portletContext.getRequestDispatcher(path);

        if (portletRequestDispatcher == null) {
            _log.error(path + " is not a valid include");
        } else {
            portletRequestDispatcher.include(portletRequest, portletResponse);
        }
    }

    protected void registerAlloyController(AlloyController alloyController) {
        BaseAlloyControllerImpl baseAlloyControllerImpl = (BaseAlloyControllerImpl) alloyController;

        String controllerPath = baseAlloyControllerImpl.controllerPath;

        _alloyControllers.put(controllerPath, baseAlloyControllerImpl);
    }

    private static Log _log = LogFactoryUtil.getLog(AlloyPortlet.class);

    private Map<String, BaseAlloyControllerImpl> _alloyControllers = new HashMap<String, BaseAlloyControllerImpl>();
    private Map<String, String> _defaultRouteParameters = new HashMap<String, String>();

}