/**
* EasyBeans
* Copyright (C) 2006-2007 Bull S.A.S.
* Contact: easybeans@ow2.org
*
* 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 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.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
* USA
*
* --------------------------------------------------------------------------
* $Id: RemoteDeployer.java 1970 2007-10-16 11:49:25Z benoitf $
* --------------------------------------------------------------------------
*/
package org.ow2.easybeans.deployer;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import org.ow2.easybeans.api.EZBServer;
import org.ow2.easybeans.deployable.DeployerFactory;
import org.ow2.util.ee.deploy.api.archive.IArchive;
import org.ow2.util.ee.deploy.api.deployable.IDeployable;
import org.ow2.util.ee.deploy.api.deployer.DeployerException;
import org.ow2.util.ee.deploy.api.deployer.IDeployer;
import org.ow2.util.ee.deploy.impl.archive.ArchiveManager;
import org.ow2.util.ee.deploy.impl.helper.DeployableHelper;
import org.ow2.util.ee.deploy.impl.helper.DeployableHelperException;
import org.ow2.util.log.Log;
import org.ow2.util.log.LogFactory;
/**
* Deployer allowing deploy/undeploy functions on this container.
* @author Florent Benoit
*/
public final class RemoteDeployer implements IRemoteDeployer {
/**
* Folder to create in tmp folder.
*/
private static final String DEFAULT_FOLDER = "EasyBeans-" + RemoteDeployer.class.getSimpleName();
/**
* Logger.
*/
private static Log logger = LogFactory.getLog(RemoteDeployer.class);
/**
* Link to a local deployer.
*/
private IDeployer deployer = null;
/**
* Build a Deployer for the given Embedded instance.
* @param embedded the Server instance.
* @throws DeployerException if the local deployer can't be accessed.
*/
public RemoteDeployer(final EZBServer embedded) throws DeployerException {
// Get local deployer
this.deployer= DeployerFactory.getDeployer(embedded);
}
/**
* Dump the given bytes to a local file and then return the path to this
* file.
* @param fileName the name of the file to deploy
* @param fileContent the content of the given file
* @return the path of the deployed file
*/
public String dumpFile(final String fileName, final byte[] fileContent) {
logger.info("Dump file to the local filesystem with the name = ''{0}''.", fileName);
// Dump the file on a temporary file
File rootFolder = new File(System.getProperty("java.io.tmpdir") + File.separator + DEFAULT_FOLDER);
rootFolder.mkdirs();
// Create file in this folder
File file = new File(rootFolder, fileName);
// Dump the content on this file
FileOutputStream out = null;
try {
out = new FileOutputStream(file);
} catch (FileNotFoundException e) {
throw new IllegalStateException("Cannot build an outputstream on file '" + file + "'.", e);
}
// Write the array of bytes
try {
out.write(fileContent);
} catch (IOException e) {
throw new IllegalStateException("Cannot write byte in outputstream", e);
}
// Close resource
try {
out.close();
} catch (IOException e) {
throw new IllegalStateException("Cannot close outpustream", e);
}
// return the local dump of the file
return file.getPath();
}
/**
* Dump the given bytes to a local file and then deploy this file to a local deployer.
* @param fileName the name of the file to deploy
* @param fileContent the content of the given file
*/
public void deployFile(final String fileName, final byte[] fileContent) {
// Deploy this local file
deploy(dumpFile(fileName, fileContent));
}
/**
* Deploy a file to a local deployer.
* @param fileName the name of the file to deploy
*/
public void deploy(final String fileName) {
logger.info("Deploying ''{0}''", fileName);
IDeployable deployable = getDeployable(fileName);
try {
deployer.deploy(deployable);
} catch (DeployerException e) {
logger.error("Cannot deploy the deployable ''{0}''", deployable, e);
throw new RuntimeException("Cannot deploy the deployable '" + deployable + "' : " + e.getMessage());
}
}
/**
* Gets a deployable for a given file.
* @param fileName the name of the file
* @return a deployable for the given filename
*/
protected IDeployable getDeployable(final String fileName) {
// Get File
File file = new File(fileName);
// check file
if (!file.exists()) {
throw new RuntimeException("The file '" + fileName + "' is not present on the filesystem.");
}
// Else, get the deployable
IArchive archive = ArchiveManager.getInstance().getArchive(file);
if (archive == null) {
logger.error("No archive found for the invalid file ''{0}''", file);
throw new RuntimeException("No archive found for the invalid file '" + file + "'.");
}
IDeployable deployable;
try {
deployable = DeployableHelper.getDeployable(archive);
} catch (DeployableHelperException e) {
logger.error("Cannot get a deployable for the archive ''{0}''", archive, e);
throw new RuntimeException("Cannot get a deployable for the archive '" + archive + "' : " + e.getMessage());
}
return deployable;
}
/**
* Undeploy a file by using a local deployer.
* @param fileName the name of the file to undeploy
*/
public void undeploy(final String fileName) {
logger.info("Undeploying ''{0}''", fileName);
IDeployable deployable = getDeployable(fileName);
try {
deployer.undeploy(deployable);
} catch (DeployerException e) {
logger.error("Cannot undeploy the deployable ''{0}''", deployable, e);
throw new RuntimeException("Cannot undeploy the deployable '" + deployable + "' : " + e.getMessage());
}
}
}
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