package org.jboss.windup.rules.apps.javaee.rules.jboss.jbpm3;
import static org.joox.JOOX.$;
import java.util.logging.Logger;
import org.apache.commons.lang3.StringUtils;
import org.jboss.windup.config.GraphRewrite;
import org.jboss.windup.config.metadata.RuleMetadata;
import org.jboss.windup.config.phase.InitialAnalysisPhase;
import org.jboss.windup.config.query.Query;
import org.jboss.windup.config.ruleprovider.IteratingRuleProvider;
import org.jboss.windup.graph.model.resource.FileModel;
import org.jboss.windup.graph.model.resource.ReportResourceFileModel;
import org.jboss.windup.graph.service.FileService;
import org.jboss.windup.graph.service.GraphService;
import org.jboss.windup.reporting.model.TechnologyTagLevel;
import org.jboss.windup.reporting.model.TechnologyTagModel;
import org.jboss.windup.reporting.service.ClassificationService;
import org.jboss.windup.reporting.service.TechnologyTagService;
import org.jboss.windup.rules.apps.java.model.JavaClassModel;
import org.jboss.windup.rules.apps.java.service.JavaClassService;
import org.jboss.windup.rules.apps.javaee.model.Jbpm3ProcessModel;
import org.jboss.windup.rules.apps.xml.DiscoverXmlFilesRuleProvider;
import org.jboss.windup.rules.apps.xml.model.XmlFileModel;
import org.ocpsoft.rewrite.config.ConditionBuilder;
import org.ocpsoft.rewrite.context.EvaluationContext;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
/**
* Discovers JBoss JBPM XML files and parses the related metadata (processdefinition.xml)
*
* @author <a href="mailto:bradsdavis@gmail.com">Brad Davis</a>
*/
@RuleMetadata(phase = InitialAnalysisPhase.class, after = DiscoverXmlFilesRuleProvider.class, perform = "Discover JBoss EJB XML Files")
public class DiscoverJBossJbpmProcessFilesRuleProvider extends IteratingRuleProvider<XmlFileModel>
{
private static final Logger LOG = Logger.getLogger(DiscoverJBossJbpmProcessFilesRuleProvider.class.getSimpleName());
@Override
public ConditionBuilder when()
{
return Query.fromType(XmlFileModel.class).withProperty(XmlFileModel.ROOT_TAG_NAME, "process-definition");
}
@Override
public void perform(GraphRewrite event, EvaluationContext context, XmlFileModel payload)
{
JavaClassService javaClassService = new JavaClassService(event.getGraphContext());
if($(payload.asDocument()).find("start-state").isEmpty()) {
LOG.warning("Found process-definition, but no start-state.");
return;
}
Jbpm3ProcessModel processModel = GraphService.addTypeToModel(event.getGraphContext(), payload, Jbpm3ProcessModel.class);
Document doc = payload.asDocument();
//try and read out the process name
String processName = $(doc).attr("name");
if(StringUtils.isNotBlank(processName)) {
processModel.setProcessName(processName);
LOG.info("Found process: "+processName);
}
else {
LOG.info("Process name is null for process: "+payload.getFilePath());
}
//count all nodes
processModel.setNodeCount($(doc).find("node").get().size());
processModel.setDecisionCount($(doc).find("decision").get().size());
processModel.setStateCount($(doc).find("state").get().size());
processModel.setTaskCount($(doc).find("task").get().size());
processModel.setSubProcessCount($(doc).find("sub-process").get().size());
for(Element action : $(doc).find("action").get()) {
String actionName = $(action).attr("name");
String className = $(action).attr("class");
if(StringUtils.isNotBlank(className)) {
JavaClassModel javaClass = javaClassService.getOrCreatePhantom(className);
processModel.addActionHandler(javaClass);
}
}
for(Element decision : $(doc).find("decision").get()) {
for(Element handler : $(decision).find("handler").get()) {
String className = $(handler).attr("class");
if(StringUtils.isNotBlank(className)) {
JavaClassModel javaClass = javaClassService.getOrCreatePhantom(className);
processModel.addDecisionHandler(javaClass);
}
}
}
//try and find the process image to associate to the definition
String processImage = payload.getFilePath();
processImage = StringUtils.removeEnd(processImage, payload.getFileName());
processImage += "processimage.jpg";
//look up the process definition.
FileService fileService = new FileService(event.getGraphContext());
FileModel processDefinitionImage = fileService.findByPath(processImage);
if(processDefinitionImage == null) {
LOG.warning("Expected process definition image at: "+processImage+", but wasn't found.");
}
else {
ReportResourceFileModel reportResource = GraphService.addTypeToModel(event.getGraphContext(), processDefinitionImage, ReportResourceFileModel.class);
processModel.setProcessImage(reportResource);
//check to see if there is a processdefinition.xml in the same directory.
ClassificationService classificationService = new ClassificationService(event.getGraphContext());
classificationService.attachClassification(event, context, processDefinitionImage, "JBPM Process Image", "JBPM 3 Process Image.");
TechnologyTagService technologyTagService = new TechnologyTagService(event.getGraphContext());
TechnologyTagModel techTag = technologyTagService.addTagToFileModel(processDefinitionImage, "JBoss Process Image", TechnologyTagLevel.IMPORTANT);
techTag.setVersion("3");
}
}
}