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//
// ========================================================================
// Copyright (c) 1995-2016 Mort Bay Consulting Pty. Ltd.
// ------------------------------------------------------------------------
// All rights reserved. This program and the accompanying materials
// are made available under the terms of the Eclipse Public License v1.0
// and Apache License v2.0 which accompanies this distribution.
//
// The Eclipse Public License is available at
// http://www.eclipse.org/legal/epl-v10.html
//
// The Apache License v2.0 is available at
// http://www.opensource.org/licenses/apache2.0.php
//
// You may elect to redistribute this code under either of these licenses.
// ========================================================================
//
package org.eclipse.jetty.maven.plugin;
import java.io.File;
import java.util.ArrayList;
import java.util.List;
import org.apache.maven.plugin.MojoExecutionException;
import org.apache.maven.plugin.MojoFailureException;
import org.eclipse.jetty.util.Scanner;
/**
*
* <p>
* This goal is used to assemble your webapp into an exploded war and automatically deploy it to Jetty.
* </p>
* <p>
* Once invoked, the plugin runs continuously, and can be configured to scan for changes in the pom.xml and
* to WEB-INF/web.xml, WEB-INF/classes or WEB-INF/lib and hot redeploy when a change is detected.
* </p>
* <p>
* You may also specify the location of a jetty.xml file whose contents will be applied before any plugin configuration.
* This can be used, for example, to deploy a static webapp that is not part of your maven build.
* </p>
*
*@goal run-exploded
*@requiresDependencyResolution compile+runtime
*@execute phase=package
*/
public class JettyRunWarExplodedMojo extends AbstractJettyMojo
{
/**
* The location of the war file.
*
* @parameter expression="${project.build.directory}/${project.build.finalName}"
* @required
*/
private File war;
/**
* @see org.eclipse.jetty.maven.plugin.AbstractJettyMojo#execute()
*/
public void execute () throws MojoExecutionException, MojoFailureException
{
super.execute();
}
@Override
public void finishConfigurationBeforeStart() throws Exception
{
server.setStopAtShutdown(true); //as we will normally be stopped with a cntrl-c, ensure server stopped
super.finishConfigurationBeforeStart();
}
/**
*
* @see AbstractJettyMojo#checkPomConfiguration()
*/
public void checkPomConfiguration() throws MojoExecutionException
{
return;
}
/**
* @see AbstractJettyMojo#configureScanner()
*/
public void configureScanner() throws MojoExecutionException
{
scanList = new ArrayList<File>();
scanList.add(project.getFile());
File webInfDir = new File(war,"WEB-INF");
scanList.add(new File(webInfDir, "web.xml"));
File jettyWebXmlFile = findJettyWebXmlFile(webInfDir);
if (jettyWebXmlFile != null)
scanList.add(jettyWebXmlFile);
File jettyEnvXmlFile = new File(webInfDir, "jetty-env.xml");
if (jettyEnvXmlFile.exists())
scanList.add(jettyEnvXmlFile);
scanList.add(new File(webInfDir, "classes"));
scanList.add(new File(webInfDir, "lib"));
scannerListeners = new ArrayList<Scanner.BulkListener>();
scannerListeners.add(new Scanner.BulkListener()
{
public void filesChanged(List changes)
{
try
{
boolean reconfigure = changes.contains(project.getFile().getCanonicalPath());
restartWebApp(reconfigure);
}
catch (Exception e)
{
getLog().error("Error reconfiguring/restarting webapp after change in watched files",e);
}
}
});
}
/**
* @see org.eclipse.jetty.maven.plugin.AbstractJettyMojo#restartWebApp(boolean)
*/
public void restartWebApp(boolean reconfigureScanner) throws Exception
{
getLog().info("Restarting webapp");
getLog().debug("Stopping webapp ...");
webApp.stop();
getLog().debug("Reconfiguring webapp ...");
checkPomConfiguration();
// check if we need to reconfigure the scanner,
// which is if the pom changes
if (reconfigureScanner)
{
getLog().info("Reconfiguring scanner after change to pom.xml ...");
scanList.clear();
scanList.add(project.getFile());
File webInfDir = new File(war,"WEB-INF");
scanList.add(new File(webInfDir, "web.xml"));
File jettyWebXmlFile = findJettyWebXmlFile(webInfDir);
if (jettyWebXmlFile != null)
scanList.add(jettyWebXmlFile);
File jettyEnvXmlFile = new File(webInfDir, "jetty-env.xml");
if (jettyEnvXmlFile.exists())
scanList.add(jettyEnvXmlFile);
scanList.add(new File(webInfDir, "classes"));
scanList.add(new File(webInfDir, "lib"));
scanner.setScanDirs(scanList);
}
getLog().debug("Restarting webapp ...");
webApp.start();
getLog().info("Restart completed.");
}
/**
* @see org.eclipse.jetty.maven.plugin.AbstractJettyMojo#configureWebApplication()
*/
public void configureWebApplication () throws Exception
{
super.configureWebApplication();
webApp.setWar(war.getCanonicalPath());
}
}
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