/*
* JBoss, Home of Professional Open Source
* Copyright 2005, JBoss Inc., and individual contributors as indicated
* by the @authors tag. See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* This 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 (at your option) any later version.
*
* This software 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 software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jbpm.web;
import java.io.IOException;
import java.util.Iterator;
import java.util.List;
import java.util.zip.ZipInputStream;
import org.apache.commons.fileupload.DiskFileUpload;
import org.apache.commons.fileupload.FileItem;
import org.apache.commons.fileupload.FileUpload;
import org.apache.commons.fileupload.FileUploadException;
import org.jbpm.JbpmConfiguration;
import org.jbpm.JbpmContext;
import org.jbpm.graph.def.ProcessDefinition;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
public class ProcessUploadServlet extends HttpServlet {
static JbpmConfiguration jbpmConfiguration = JbpmConfiguration.getInstance();
public static final String UPLOAD_TYPE_DEFINITION = "definition";
public static final String UPLOAD_TYPE_ARCHIVE = "archive";
public void service(HttpServletRequest request, HttpServletResponse response) throws IOException {
//upload from gpd has url mapping: /upload
JbpmContext jbpmContext = jbpmConfiguration.createJbpmContext();
try {
response.setContentType("text/html");
response.getWriter().println(handleRequest(request));
} finally {
jbpmContext.close();
}
}
private String handleRequest(HttpServletRequest request) {
//check if request is multipart content
log.debug("Handling upload request");
if (!FileUpload.isMultipartContent(request)) {
log.debug("Not a multipart request");
return "Not a multipart request";
}
try {
DiskFileUpload fileUpload = new DiskFileUpload();
List list = fileUpload.parseRequest(request);
log.debug("Upload from GPD");
Iterator iterator = list.iterator();
if (!iterator.hasNext()) {
log.debug("No process file in the request");
return "No process file in the request";
}
FileItem fileItem = (FileItem) iterator.next();
if (fileItem.getContentType().indexOf("application/x-zip-compressed") == -1) {
log.debug("Not a process archive");
return "Not a process archive";
}
try {
log.debug("Deploying process archive " + fileItem.getName());
ZipInputStream zipInputStream = new ZipInputStream(fileItem.getInputStream());
JbpmContext jbpmContext = JbpmContext.getCurrentJbpmContext();
log.debug("Preparing to parse process archive");
ProcessDefinition processDefinition = ProcessDefinition.parseParZipInputStream(zipInputStream);
log.debug("Created a processdefinition : " + processDefinition.getName());
jbpmContext.deployProcessDefinition(processDefinition);
zipInputStream.close();
return "Deployed archive " + processDefinition.getName() + " successfully";
} catch (IOException e) {
return "IOException";
}
} catch (FileUploadException e) {
e.printStackTrace();
return "FileUploadException";
}
}
private static final Log log = LogFactory.getLog(ProcessUploadServlet.class);
}