To deploy programmatically, use the following code:
public void deployProcessDefinition(String fileName) {
| ProcessDefinition processDefinition = readProcessDefinition(
| new FileInputStream(fileName), fileName);
| deployProcessDefinition(processDefinition);
| // build and deploy web module, if the language is BPEL
| if (processDefinition instanceof BpelProcessDefinition)
| deployWebModule((BpelProcessDefinition) processDefinition, fileName);
| }
The file name is expected to reference a process archive. The support methods
are presented below.
private ProcessDefinition readProcessDefinition(InputStream fileSource, String
fileName)
| throws IOException {
| try {
| ProcessArchive processArchive = new ProcessArchive(new
ZipInputStream(fileSource));
| log.debug("loaded process archive: " + fileName);
|
| ProcessDefinition processDefinition =
processArchive.parseProcessDefinition();
| log.debug("read process definition: " + processDefinition.getName());
|
| return processDefinition;
| }
| finally {
| fileSource.close();
| }
| }
|
| private void deployProcessDefinition(ProcessDefinition processDefinition)
{
| JbpmContext jbpmContext = jbpmConfiguration.createJbpmContext();
| try {
| if (processDefinition instanceof BpelProcessDefinition) {
| BpelGraphSession graphSession =
BpelGraphSession.getContextInstance(jbpmContext);
| graphSession.deployProcessDefinition((BpelProcessDefinition)
processDefinition);
| }
| else
| jbpmContext.deployProcessDefinition(processDefinition);
| log.info("deployed process definition: " +
processDefinition.getName());
| }
| catch (RuntimeException e) {
| jbpmContext.setRollbackOnly();
| throw e;
| }
| finally {
| jbpmContext.close();
| }
| }
|
| private void deployWebModule(BpelProcessDefinition processDefinition,
String fileName) {
| File moduleFile = new File(deployDirectory, extractFilePrefix(fileName)
+ ".war");
|
| WebModuleBuilder builder = new WebModuleBuilder();
| builder.setModuleFile(moduleFile);
| builder.buildModule(processDefinition);
|
| if (builder.getProblemHandler().getProblemCount() > 0)
| throw new BpelException("could not build web module for: " +
processDefinition);
|
| log.info("deployed web module: " + moduleFile.getName());
| }
|
| private static String extractFilePrefix(String fileName) {
| int dotIndex = fileName.lastIndexOf('.');
| return dotIndex != -1 ? fileName.substring(0, dotIndex) : fileName;
| }
| }
In method deployWebModule, the variable deployDirectory references the app
server's deploy directory. Inside JBoss, this directory can be retrieved from
the system properties as follows.
String deployDirectory = System.getProperty("jboss.server.home.dir") +
File.separatorChar + "deploy";
The above snippets were adapted from class DeploymentServlet; you can review
its source in our online repository.
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