/*
* Copyright (c) 1998-2011 Caucho Technology -- all rights reserved
*
* This file is part of Resin(R) Open Source
*
* Each copy or derived work must preserve the copyright notice and this
* notice unmodified.
*
* Resin Open Source is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* Resin Open Source 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, or any warranty
* of NON-INFRINGEMENT. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License
* along with Resin Open Source; if not, write to the
*
* Free Software Foundation, Inc.
* 59 Temple Place, Suite 330
* Boston, MA 02111-1307 USA
*
* @author Scott Ferguson
*/
package com.caucho.j2ee.deployserver;
import com.caucho.config.Config;
import com.caucho.hessian.io.*;
import com.caucho.j2ee.deployclient.TargetImpl;
import com.caucho.j2ee.deployclient.TargetModuleIDImpl;
import com.caucho.util.IntMap;
import com.caucho.util.L10N;
import javax.enterprise.deploy.spi.TargetModuleID;
import javax.enterprise.deploy.spi.status.ProgressObject;
import javax.servlet.GenericServlet;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.logging.Level;
import java.util.logging.Logger;
/**
* Manager for the deployments.
*/
public class DeploymentServlet
extends GenericServlet
{
private static final L10N L = new L10N(DeploymentServlet.class);
private static final Logger log
= Logger.getLogger(DeploymentServlet.class.getName());
private static final int GET_TARGETS = 1;
private static final int DISTRIBUTE = 2;
private static final int GET_AVAILABLE_MODULES = 3;
private static final int UNDEPLOY = 4;
private static final int START = 5;
private static final int STOP = 6;
private static final IntMap _methodMap = new IntMap();
private DeploymentService _deploymentService;
public void init()
throws ServletException
{
super.init();
_deploymentService = DeploymentService.getDeploymentService();
}
/**
* Serves the deployment.
*/
public void service(ServletRequest req, ServletResponse res)
throws IOException, ServletException
{
InputStream is = req.getInputStream();
OutputStream os = res.getOutputStream();
Hessian2Input in = new Hessian2Input(is);
HessianOutput out = new HessianOutput(os);
in.readCall();
String method = in.readMethod();
try {
switch (_methodMap.get(method)) {
case GET_TARGETS:
in.completeCall();
out.startReply();
out.writeObject(_deploymentService.getTargets());
out.completeReply();
break;
case GET_AVAILABLE_MODULES:
{
String type = in.readString();
in.completeCall();
out.startReply();
out.writeObject(_deploymentService.getAvailableModules(type));
out.completeReply();
break;
}
case DISTRIBUTE:
{
TargetImpl []targets = (TargetImpl[]) in.readObject(TargetImpl[].class);
DeploymentPlan plan = new DeploymentPlan();
InputStream planIs = in.readInputStream();
try {
new Config().configure(plan, planIs);
} finally {
planIs.close();
}
InputStream archiveIs = in.readInputStream();
ProgressObject po = _deploymentService.distribute(targets, archiveIs, plan);
// use up all of the input or hessian throws
// an execption and hides error reported in the progress object
try {
while (archiveIs.read() != -1) {}
}
catch (Exception t) {
if (log.isLoggable(Level.FINEST))
log.log(Level.FINEST, t.toString(), t);
}
in.completeCall();
if (log.isLoggable(Level.FINEST))
log.log(Level.FINEST, String.valueOf(po));
out.startReply();
out.writeObject(po);
out.completeReply();
break;
}
case UNDEPLOY:
{
TargetModuleID []targetIDs;
targetIDs = (TargetModuleID []) in.readObject(TargetModuleID[].class);
ProgressObject po = _deploymentService.undeploy(targetIDs);
in.completeCall();
out.startReply();
out.writeObject(po);
out.completeReply();
break;
}
case START:
{
TargetModuleID []targetModuleIDs;
targetModuleIDs = (TargetModuleID []) in.readObject(TargetModuleIDImpl[].class);
ProgressObject po = _deploymentService.start(targetModuleIDs);
in.completeCall();
out.startReply();
out.writeObject(po);
out.completeReply();
break;
}
case STOP:
{
TargetModuleID []targetModuleIDs;
targetModuleIDs = (TargetModuleID []) in.readObject(TargetModuleIDImpl[].class);
ProgressObject po = _deploymentService.stop(targetModuleIDs);
in.completeCall();
out.startReply();
out.writeObject(po);
out.completeReply();
break;
}
default:
out.startReply();
out.writeFault("UnknownMethod", "UnknownMethod: " + method, null);
out.completeReply();
break;
}
} catch (Exception e) {
log.log(Level.FINE, e.toString(), e);
out.startReply();
out.writeFault(e.toString(), e.toString(), e);
out.completeReply();
}
}
static {
_methodMap.put("getTargets", GET_TARGETS);
_methodMap.put("distribute", DISTRIBUTE);
_methodMap.put("getAvailableModules", GET_AVAILABLE_MODULES);
_methodMap.put("undeploy", UNDEPLOY);
_methodMap.put("start", START);
_methodMap.put("stop", STOP);
}
}