/*
* Copyright 2000-2004 The Apache Software Foundation.
*
* 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.apache.jetspeed.manager;
import java.io.CharArrayWriter;
import java.io.File;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.Iterator;
import java.util.List;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.commons.fileupload.DiskFileUpload;
import org.apache.commons.fileupload.FileItem;
import org.apache.commons.fileupload.FileUpload;
import org.apache.jetspeed.Jetspeed;
import org.apache.jetspeed.components.portletregistry.PortletRegistry;
import org.apache.jetspeed.components.portletregistry.RegistryException;
import org.apache.jetspeed.deployment.DeploymentManager;
import org.apache.jetspeed.deployment.DeploymentStatus;
import org.apache.jetspeed.factory.PortletFactory;
import org.apache.jetspeed.om.common.portlet.MutablePortletApplication;
import org.apache.jetspeed.om.common.portlet.PortletApplication;
import org.apache.jetspeed.tools.pamanager.servletcontainer.ApplicationServerManager;
import org.apache.jetspeed.tools.pamanager.servletcontainer.ApplicationServerManagerResult;
/**
* ManagerServlet ala Tomcat ManagerServlet
*
* @author <a href="mailto:ate@douma.nu">Ate Douma</a>
* @version $Id: ManagerServlet.java 188638 2005-06-02 09:00:35Z ate $
*/
public class ManagerServlet extends HttpServlet
{
private static int OK = 0;
private static int ERROR_NO_DATA = 1;
private static int ERROR_UNKNOWN_COMMAND = 2;
private static int ERROR_UNKNOWN_PA = 3;
private static int ERROR_INVALID = 4;
private static int ERROR_UNSUPPORTED = 5;
private static int ERROR_UNAVAILABLE = 6;
private static int ERROR_SERVER = 7;
private static int ERROR_UNEXPECTED = 8;
private static int ERROR_IGNORED = 9;
private ApplicationServerManager asm;
private PortletRegistry registry;
private PortletFactory portletFactory;
private DeploymentManager dm;
public void init() throws ServletException
{
super.init();
asm = (ApplicationServerManager) Jetspeed.getComponentManager().getComponent(ApplicationServerManager.class);
registry = (PortletRegistry) Jetspeed.getComponentManager().getComponent(PortletRegistry.class);
portletFactory = (PortletFactory) Jetspeed.getComponentManager().getComponent("portletFactory");
dm = (DeploymentManager) Jetspeed.getComponentManager().getComponent("deploymentManager");
}
public void destroy()
{
super.destroy();
}
protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException
{
process(request, response, false);
}
protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException
{
process(request, response, true);
}
protected void process(HttpServletRequest request, HttpServletResponse response, boolean posted)
throws ServletException, IOException
{
// Prepare our output writer to generate the response message
response.setContentType("text/plain; charset=utf-8");
StringBuffer output = new StringBuffer();
CharArrayWriter buffer = new CharArrayWriter();
PrintWriter writer = new PrintWriter(buffer);
// Identify the request parameters that we need
String command = request.getPathInfo();
int result = OK;
if (command == null)
{
result = OK;
}
else if (command.equals("/list"))
{
result = list(writer);
}
else if (command.equals("/start"))
{
result = start(writer, request.getParameter("pa"));
}
else if (command.equals("/stop"))
{
result = stop(writer, request.getParameter("pa"));
}
else if (command.equals("/undeploy"))
{
result = undeploy(writer, request.getParameter("pa"));
}
else if (command.equals("/unregister"))
{
result = unregister(writer, request.getParameter("pa"));
}
else if (command.equals("/deploy"))
{
if (posted)
{
result = deploy(writer, request);
}
else
{
writer.println("Error: /deploy is only available through POST");
result = ERROR_INVALID;
}
}
else
{
writer.println("Error: Unknown command " + command);
result = ERROR_UNKNOWN_COMMAND;
}
writer.flush();
writer.close();
writer = response.getWriter();
if (result == OK)
{
writer.println("OK");
}
else
{
writer.println("FAIL - CODE: " + result);
}
writer.print(buffer.toString());
writer.flush();
writer.close();
}
protected int list(PrintWriter writer)
{
writer.println("Listed Portlet Applications");
Iterator iter = registry.getPortletApplications().iterator();
PortletApplication pa;
while (iter.hasNext())
{
pa = (PortletApplication) iter.next();
writer.println(pa.getId() + ":" + pa.getName() + ":" + pa.getWebApplicationDefinition().getContextRoot()
+ ":" + (portletFactory.isPortletApplicationRegistered(pa) ? "ACTIVE" : "INACTIVE"));
}
return OK;
}
protected int start(PrintWriter writer, String paName)
{
PortletApplication pa = null;
if (paName != null)
{
pa = registry.getPortletApplication(paName);
}
if (pa == null)
{
writer.println("Error: Unknown Portlet Application " + paName);
return ERROR_UNKNOWN_PA;
}
if (portletFactory.isPortletApplicationRegistered(pa))
{
writer.println("Warning: Portlet Application " + paName + " already started");
return OK;
}
else if (pa.getApplicationType() == MutablePortletApplication.LOCAL)
{
writer.println("Error: Starting LOCAL Portlet Application " + paName + " not supported");
return ERROR_UNSUPPORTED;
}
else if (!asm.isConnected())
{
writer.println("Error: Not connected to the server");
return ERROR_UNAVAILABLE;
}
else
{
String response = null;
try
{
ApplicationServerManagerResult result = asm.start(pa.getWebApplicationDefinition().getContextRoot());
if (result.isOk())
{
writer.println("Portlet Application " + paName + " started");
writer.println(result.getResponse());
return OK;
}
else
{
writer.println("Error: Portlet Application " + paName + " could not be started");
writer.println(result.getResponse());
return ERROR_SERVER;
}
}
catch (Exception e)
{
writer.println("Error: Failed to start Portlet Application " + paName + ": " + e.getMessage());
e.printStackTrace(writer);
return ERROR_UNEXPECTED;
}
}
}
protected int stop(PrintWriter writer, String paName)
{
PortletApplication pa = null;
if (paName != null)
{
pa = registry.getPortletApplication(paName);
}
if (pa == null)
{
writer.println("Error: Unknown Portlet Application " + paName);
return ERROR_UNKNOWN_PA;
}
if (!portletFactory.isPortletApplicationRegistered(pa))
{
writer.println("Portlet Application " + paName + " already stopped");
return OK;
}
else if (pa.getApplicationType() == MutablePortletApplication.LOCAL)
{
writer.println("Error: Stopping LOCAL Portlet Application " + paName + " not supported");
return ERROR_UNSUPPORTED;
}
else if (!asm.isConnected())
{
writer.println("Error: Not connected to the server");
return ERROR_UNAVAILABLE;
}
else
{
String response = null;
try
{
ApplicationServerManagerResult result = asm.stop(pa.getWebApplicationDefinition().getContextRoot());
if (result.isOk())
{
writer.println("Portlet Application " + paName + " stopped");
writer.println(result.getResponse());
return OK;
}
else
{
writer.println("Error: Portlet Application " + paName + " could not be stopped");
writer.println(result.getResponse());
return ERROR_SERVER;
}
}
catch (Exception e)
{
writer.println("Error: Failed to stop Portlet Application " + paName + ": " + e.getMessage());
e.printStackTrace(writer);
return ERROR_UNEXPECTED;
}
}
}
protected int undeploy(PrintWriter writer, String paName)
{
int stopResult = stop(writer, paName);
if (stopResult != OK)
{
return stopResult;
}
else if (!asm.isConnected())
{
writer.println("Error: Not connected to the server");
return ERROR_UNAVAILABLE;
}
PortletApplication pa = registry.getPortletApplication(paName);
String response = null;
try
{
ApplicationServerManagerResult result = asm.undeploy(pa.getWebApplicationDefinition().getContextRoot());
if (result.isOk())
{
writer.println("Portlet Application " + paName + " undeployed");
writer.println(result.getResponse());
return OK;
}
else
{
writer.println("Error: Portlet Application " + paName + " could not be undeployed");
writer.println(result.getResponse());
return ERROR_SERVER;
}
}
catch (Exception e)
{
writer.println("Error: Failed to undeploy Portlet Application " + paName + ": " + e.getMessage());
e.printStackTrace(writer);
return ERROR_UNEXPECTED;
}
}
protected int unregister(PrintWriter writer, String paName)
{
int result = stop(writer, paName);
if (result != OK)
{
return result;
}
PortletApplication pa = registry.getPortletApplication(paName);
try
{
registry.removeApplication(pa);
writer.println("Portlet Application " + paName + " unregistered");
return OK;
}
catch (RegistryException e)
{
writer.println("Error: Failed to unregister Portlet Application " + paName + ": " + e.getMessage());
e.printStackTrace(writer);
return ERROR_UNEXPECTED;
}
}
protected int deploy(PrintWriter writer, HttpServletRequest request)
{
if ( !FileUpload.isMultipartContent(request) )
{
writer.println("Error: No file multipart content provided");
return ERROR_NO_DATA;
}
File tempDir = null;
File tempFile = null;
try
{
DiskFileUpload upload = new DiskFileUpload();
tempDir = File.createTempFile("upload", null);
tempDir.deleteOnExit();
tempDir.delete();
tempDir.mkdirs();
tempDir.deleteOnExit();
List items = upload.parseRequest(request,0,-1L,tempDir.getAbsolutePath());
Iterator iter = items.iterator();
while ( iter.hasNext() )
{
FileItem item = (FileItem)iter.next();
if (!item.isFormField())
{
String fileName = item.getName();
tempFile = new File(tempDir, fileName );
tempFile.deleteOnExit();
item.write(tempFile);
try
{
DeploymentStatus status = dm.deploy(tempFile);
if ( status.getStatus() == DeploymentStatus.STATUS_OKAY )
{
writer.println("Deployed " + fileName);
return OK;
}
else if ( status.getStatus() == DeploymentStatus.STATUS_EVAL )
{
writer.println("Error: Unrecognized file "+ fileName);
return ERROR_IGNORED;
}
else
{
writer.println("Error: Failed to deploy file "+ fileName);
return ERROR_IGNORED;
}
}
catch (Throwable e)
{
writer.println("Error: Failed to deploy file " + fileName + ": " + e.getMessage());
e.printStackTrace(writer);
return ERROR_UNEXPECTED;
}
}
}
}
catch (Throwable e)
{
writer.println("Error: Failed to process uploaded data: "+e.getMessage());
e.printStackTrace(writer);
return ERROR_UNEXPECTED;
}
finally
{
if (tempFile != null)
{
tempFile.delete();
}
if (tempDir != null)
{
tempDir.delete();
}
}
return OK;
}
}