com.liferay.blade.samples.portlet.actioncommand.GreeterActionCommand.java Source code

Introduction

Here is the source code for com.liferay.blade.samples.portlet.actioncommand.GreeterActionCommand.java

Source

/**
 * 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.blade.samples.portlet.actioncommand;

import com.liferay.portal.kernel.log.Log;
import com.liferay.portal.kernel.log.LogFactoryUtil;
import com.liferay.portal.kernel.portlet.bridges.mvc.MVCActionCommand;
import com.liferay.portal.kernel.servlet.SessionMessages;
import com.liferay.portal.kernel.util.ParamUtil;
import com.liferay.portal.kernel.util.StringPool;

import javax.portlet.ActionRequest;
import javax.portlet.ActionResponse;
import javax.portlet.PortletException;

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

/**
 * @author Liferay
 */
@Component(immediate = true, property = { "javax.portlet.name=blade_portlet_GreeterPortlet",
        "mvc.command.name=greet" }, service = MVCActionCommand.class)
public class GreeterActionCommand implements MVCActionCommand {

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

        _handleActionCommand(actionRequest);

        return true;
    }

    private void _handleActionCommand(ActionRequest actionRequest) {
        String name = ParamUtil.get(actionRequest, "name", StringPool.BLANK);

        if (_log.isInfoEnabled()) {
            _log.info("Hello " + name);
        }

        String greetingMessage = "Hello " + name + "! Welcome to OSGi";

        actionRequest.setAttribute("GREETER_MESSAGE", greetingMessage);

        SessionMessages.add(actionRequest, "greetingMessage", greetingMessage);
    }

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

}