@BeforeClass
public static void initFactories() {
ProcessBuilderFactory.setProcessBuilderFactoryService(new ProcessBuilderFactoryServiceImpl());
ProcessMarshallerFactory.setProcessMarshallerFactoryService(
new ProcessMarshallerFactoryServiceImpl());
ProcessRuntimeFactory.setProcessRuntimeFactoryService(new ProcessRuntimeFactoryServiceImpl());
}
public DiagramInfo getDiagramInfo(String processId) {
if (kbase == null) {
GuvnorConnectionUtils guvnorUtils = new GuvnorConnectionUtils();
if (guvnorUtils.guvnorExists()) {
try {
KnowledgeAgent kagent = KnowledgeAgentFactory.newKnowledgeAgent("Guvnor default");
kagent.applyChangeSet(ResourceFactory.newReaderResource(guvnorUtils.createChangeSet()));
kagent.monitorResourceChangeEvents(false);
kbase = kagent.getKnowledgeBase();
} catch (Throwable t) {
logger.error("Could not build kbase from Guvnor assets: " + t.getMessage());
}
} else {
logger.warn("Could not connect to Guvnor.");
}
if (kbase == null) {
kbase = KnowledgeBaseFactory.newKnowledgeBase();
}
String directory = System.getProperty("jbpm.console.directory");
if (directory == null) {
logger.error("jbpm.console.directory property not found");
} else {
File file = new File(directory);
if (!file.exists()) {
throw new IllegalArgumentException("Could not find " + directory);
}
if (!file.isDirectory()) {
throw new IllegalArgumentException(directory + " is not a directory");
}
ProcessBuilderFactory.setProcessBuilderFactoryService(
new ProcessBuilderFactoryServiceImpl());
ProcessMarshallerFactory.setProcessMarshallerFactoryService(
new ProcessMarshallerFactoryServiceImpl());
ProcessRuntimeFactory.setProcessRuntimeFactoryService(
new ProcessRuntimeFactoryServiceImpl());
BPMN2ProcessFactory.setBPMN2ProcessProvider(new BPMN2ProcessProviderImpl());
KnowledgeBuilder kbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder();
for (File subfile :
file.listFiles(
new FilenameFilter() {
public boolean accept(File dir, String name) {
return name.endsWith(".bpmn") || name.endsWith("bpmn2");
}
})) {
kbuilder.add(ResourceFactory.newFileResource(subfile), ResourceType.BPMN2);
}
kbase.addKnowledgePackages(kbuilder.getKnowledgePackages());
}
}
Process process = kbase.getProcess(processId);
if (process == null) {
return null;
}
DiagramInfo result = new DiagramInfo();
// TODO: diagram width and height?
result.setWidth(932);
result.setHeight(541);
List<DiagramNodeInfo> nodeList = new ArrayList<DiagramNodeInfo>();
if (process instanceof WorkflowProcess) {
addNodesInfo(nodeList, ((WorkflowProcess) process).getNodes(), "id=");
}
result.setNodeList(nodeList);
return result;
}