com.liferay.monitoring.web.portlet.MetricsPortlet.java Source code

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Here is the source code for com.liferay.monitoring.web.portlet.MetricsPortlet.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.monitoring.web.portlet;

import aQute.bnd.annotation.metatype.Configurable;

import com.liferay.monitoring.web.configuration.MonitoringConfiguration;
import com.liferay.monitoring.whiteboard.collector.MetricsCollector;

import com.liferay.portal.kernel.portlet.bridges.mvc.MVCPortlet;

import java.io.IOException;

import java.util.Map;

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

import org.osgi.service.component.annotations.Activate;
import org.osgi.service.component.annotations.Component;
import org.osgi.service.component.annotations.ConfigurationPolicy;
import org.osgi.service.component.annotations.Modified;
import org.osgi.service.component.annotations.Reference;

/**
 * @author Miguel Pastor
 */
@Component(configurationPid = "com.liferay.monitoring.web", configurationPolicy = ConfigurationPolicy.OPTIONAL, immediate = true, property = {
        "com.liferay.portlet.css-class-wrapper=portlet-liferay-monitoring",
        "com.liferay.portlet.display-category=category.tools",
        "com.liferay.portlet.preferences-owned-by-group=true",
        "com.liferay.portlet.private-request-attributes=false",
        "com.liferay.portlet.private-session-attributes=false", "com.liferay.portlet.render-weight=0",
        "com.liferay.portlet.remoteable=true", "javax.portlet.display-name=Liferay Monitoring",
        "com.liferay.portlet.struts-path=liferay_monitoring", "javax.portlet.expiration-cache=0",
        "javax.portlet.init-param.config-template=/configuration.jsp", "javax.portlet.init-param.template-path=/",
        "javax.portlet.init-param.view-template=/view.jsp",
        "javax.portlet.preferences=classpath:/META-INF/portlet-preferences/default-portlet-preferences.xml",
        "javax.portlet.resource-bundle=content.Language",
        "javax.portlet.security-role-ref=power-user,user" }, service = Portlet.class)
public class MetricsPortlet extends MVCPortlet {

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

        renderRequest.setAttribute(MonitoringConfiguration.class.getName(), _monitoringConfiguration);

        renderRequest.setAttribute("metrics", _metricsCollector.collect());

        super.doView(renderRequest, renderResponse);
    }

    @Activate
    @Modified
    protected void activate(Map<String, Object> properties) {
        _monitoringConfiguration = Configurable.createConfigurable(MonitoringConfiguration.class, properties);
    }

    @Reference
    protected void setMetricsCollector(MetricsCollector metricsCollector) {
        _metricsCollector = metricsCollector;
    }

    protected void unsetMetricsCollector(MetricsCollector metricsCollector) {
        _metricsCollector = null;
    }

    private MetricsCollector _metricsCollector;
    private volatile MonitoringConfiguration _monitoringConfiguration;

}