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298667 various deployer improvements 

git-svn-id: svn+ssh://dev.eclipse.org/svnroot/rt/org.eclipse.jetty/jetty/trunk@1175 7e9141cc-0065-0410-87d8-b60c137991c4
This commit is contained in:
Greg Wilkins 2009-12-31 03:02:51 +00:00
parent 52fc378b93
commit ac0d3ae5e6
1 changed files with 179 additions and 0 deletions
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179
jetty-deploy/src/main/java/org/eclipse/jetty/deploy/providers/AbstractAppProvider.java Normal file
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// ========================================================================
// Copyright (c) Webtide LLC
// ------------------------------------------------------------------------
// 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.apache.org/licenses/LICENSE-2.0.txt
//
// You may elect to redistribute this code under either of these licenses.
// ========================================================================
package org.eclipse.jetty.deploy.providers;
import java.io.File;
import java.io.FilenameFilter;
import java.util.Collections;
import java.util.HashMap;
import java.util.Map;
import org.eclipse.jetty.deploy.App;
import org.eclipse.jetty.deploy.AppLifeCycle;
import org.eclipse.jetty.deploy.AppProvider;
import org.eclipse.jetty.deploy.DeploymentManager;
import org.eclipse.jetty.util.Scanner;
import org.eclipse.jetty.util.component.AbstractLifeCycle;
import org.eclipse.jetty.util.log.Log;
import org.eclipse.jetty.util.resource.Resource;
/**
*/
public abstract class AbstractAppProvider extends AbstractLifeCycle implements AppProvider
{
private Map<String,App> _appMap = new HashMap<String,App>();
private DeploymentManager _deploymentManager;
protected final FilenameFilter _filenameFilter;
private Resource _monitoredDir;
private boolean _recursive = false;
private int _scanInterval = 10;
private Scanner _scanner;
private final Scanner.DiscreteListener _scannerListener = new Scanner.DiscreteListener()
{
public void fileAdded(String filename) throws Exception
{
Log.debug("added ", filename);
App app = new App(_deploymentManager,AbstractAppProvider.this,filename,new File(filename));
_appMap.put(filename,app);
_deploymentManager.addApp(app);
}
public void fileChanged(String filename) throws Exception
{
Log.debug("changed ", filename);
App app = _appMap.remove(filename);
if (app!=null)
_deploymentManager.removeApp(app);
app = new App(_deploymentManager,AbstractAppProvider.this,filename,new File(filename));
_appMap.put(filename,app);
_deploymentManager.addApp(app);
}
public void fileRemoved(String filename) throws Exception
{
Log.debug("removed ", filename);
App app = _appMap.remove(filename);
if (app!=null)
_deploymentManager.removeApp(app);
}
};
protected AbstractAppProvider(FilenameFilter filter)
{
_filenameFilter = filter;
}
@Override
protected void doStart() throws Exception
{
Log.info(this.getClass().getSimpleName() + ".doStart()");
if (_monitoredDir == null)
{
throw new IllegalStateException("No configuration dir specified");
}
File scandir = _monitoredDir.getFile();
Log.info("Deployment monitor " + scandir+ " at intervale "+_scanInterval);
_scanner=new Scanner();
_scanner.setScanDirs(Collections.singletonList(scandir));
_scanner.setScanInterval(_scanInterval);
_scanner.setRecursive(_recursive);
_scanner.setFilenameFilter(_filenameFilter);
_scanner.setReportDirs(true);
_scanner.addListener(_scannerListener);
_scanner.start();
}
/* ------------------------------------------------------------ */
@Override
protected void doStop() throws Exception
{
_scanner.stop();
_scanner.removeListener(_scannerListener);
_scanner=null;
}
/* ------------------------------------------------------------ */
/** Get the deploymentManager.
* @return the deploymentManager
*/
public DeploymentManager getDeploymentManager()
{
return _deploymentManager;
}
/* ------------------------------------------------------------ */
public Resource getMonitoredDir()
{
return _monitoredDir;
}
/* ------------------------------------------------------------ */
public int getScanInterval()
{
return _scanInterval;
}
/* ------------------------------------------------------------ */
public boolean isRecursive()
{
return _recursive;
}
/* ------------------------------------------------------------ */
public void setDeploymentManager(DeploymentManager deploymentManager)
{
_deploymentManager = deploymentManager;
}
/* ------------------------------------------------------------ */
public void setMonitoredDir(Resource contextsDir)
{
_monitoredDir = contextsDir;
}
/* ------------------------------------------------------------ */
/**
* @param dir
* Directory to scan for context descriptors or war files
*/
public void setMonitoredDir(String dir)
{
try
{
_monitoredDir = Resource.newResource(dir);
}
catch (Exception e)
{
throw new IllegalArgumentException(e);
}
}
/* ------------------------------------------------------------ */
protected void setRecursive(boolean recursive)
{
_recursive = recursive;
}
/* ------------------------------------------------------------ */
public void setScanInterval(int scanInterval)
{
_scanInterval = scanInterval;
}
}