/*
* Copyright 2010 the original author or authors.
*
* 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 org.gradle.api.plugins.jetty;
import org.gradle.api.plugins.jetty.internal.Jetty6PluginServer;
import org.mortbay.util.Scanner;
import org.mortbay.xml.XmlConfiguration;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.gradle.api.tasks.InputFile;
import java.io.File;
import java.util.ArrayList;
import java.util.List;
/**
* <p>Deploys a WAR to an embedded Jetty web container.</p>
*
* <p> Once started, the web container can be configured to run continuously, scanning for changes to the war file and
* automatically performing a hot redeploy when necessary. </p>
*/
public class JettyRunWar extends AbstractJettyRunTask {
private static Logger logger = LoggerFactory.getLogger(JettyRunWar.class);
/**
* The location of the war file.
*/
private File webApp;
public void configureWebApplication() throws Exception {
super.configureWebApplication();
getWebAppConfig().setWar(getWebApp().getCanonicalPath());
getWebAppConfig().configure();
}
public void validateConfiguration() {
}
/* (non-Javadoc)
* @see org.mortbay.jetty.plugin.util.AbstractJettyTask#configureScanner()
*/
public void configureScanner() {
List<File> scanList = new ArrayList<File>();
scanList.add(getProject().getBuildFile());
scanList.add(getWebApp());
getScanner().setScanDirs(scanList);
ArrayList listeners = new ArrayList();
listeners.add(new Scanner.BulkListener() {
public void filesChanged(List changes) {
try {
boolean reconfigure = changes.contains(getProject().getBuildFile().getCanonicalPath());
restartWebApp(reconfigure);
}
catch (Exception e) {
logger.error("Error reconfiguring/restarting webapp after change in watched files", e);
}
}
});
setScannerListeners(listeners);
}
public void restartWebApp(boolean reconfigureScanner) throws Exception {
logger.info("Restarting webapp ...");
logger.debug("Stopping webapp ...");
getWebAppConfig().stop();
logger.debug("Reconfiguring webapp ...");
validateConfiguration();
// check if we need to reconfigure the scanner
if (reconfigureScanner) {
logger.info("Reconfiguring scanner ...");
List<File> scanList = new ArrayList<File>();
scanList.add(getProject().getBuildFile());
scanList.add(getWebApp());
getScanner().setScanDirs(scanList);
}
logger.debug("Restarting webapp ...");
getWebAppConfig().start();
logger.info("Restart completed.");
}
public void finishConfigurationBeforeStart() {
}
@InputFile
public File getWebApp() {
return webApp;
}
public void setWebApp(File webApp) {
this.webApp = webApp;
}
public void applyJettyXml() throws Exception {
if (getJettyConfig() == null) {
return;
}
logger.info("Configuring Jetty from xml configuration file = {}", getJettyConfig());
XmlConfiguration xmlConfiguration = new XmlConfiguration(getJettyConfig().toURI().toURL());
xmlConfiguration.configure(getServer().getProxiedObject());
}
public org.gradle.api.plugins.jetty.internal.JettyPluginServer createServer() throws Exception {
return new Jetty6PluginServer();
}
}