Examples with FlowNode org.eclipse.bpmn2.FlowNode used on opensource projects

Example 11 with FlowNode

use of org.eclipse.bpmn2.FlowNode in project kie-wb-common by kiegroup.

the class Bpmn2JsonMarshaller method marshallNode.

protected void marshallNode(FlowNode node, Map<String, Object> properties, String stencil, BPMNPlane plane, JsonGenerator generator, float xOffset, float yOffset) throws JsonGenerationException, IOException {
    if (properties == null) {
        properties = new LinkedHashMap<String, Object>();
    }
    putDocumentationProperty(node, properties);
    if (node.getName() != null) {
        properties.put(NAME, StringEscapeUtils.unescapeXml(node.getName()));
    } else {
        if (node instanceof TextAnnotation) {
            if (((TextAnnotation) node).getText() != null) {
                properties.put(NAME, ((TextAnnotation) node).getText());
            } else {
                properties.put(NAME, "");
            }
        } else {
            properties.put(NAME, "");
        }
    }
    // overwrite name if elementname extension element is present
    String elementName = Utils.getMetaDataValue(node.getExtensionValues(), "elementname");
    if (elementName != null) {
        properties.put("name", elementName);
    }
    marshallProperties(properties, generator);
    generator.writeObjectFieldStart("stencil");
    generator.writeObjectField("id", stencil);
    generator.writeEndObject();
    generator.writeArrayFieldStart("childShapes");
    generator.writeEndArray();
    generator.writeArrayFieldStart("outgoing");
    for (SequenceFlow outgoing : node.getOutgoing()) {
        generator.writeStartObject();
        generator.writeObjectField("resourceId", outgoing.getId());
        generator.writeEndObject();
    }
    // we need to also add associations as outgoing elements
    Process process = (Process) plane.getBpmnElement();
    writeAssociations(process, node.getId(), generator);
    // and boundary events for activities
    List<BoundaryEvent> boundaryEvents = new ArrayList<BoundaryEvent>();
    findBoundaryEvents(process, boundaryEvents);
    for (BoundaryEvent be : boundaryEvents) {
        if (be.getAttachedToRef().getId().equals(node.getId())) {
            generator.writeStartObject();
            generator.writeObjectField("resourceId", be.getId());
            generator.writeEndObject();
        }
    }
    generator.writeEndArray();
    // boundary events have a docker
    if (node instanceof BoundaryEvent) {
        Iterator<FeatureMap.Entry> iter = node.getAnyAttribute().iterator();
        boolean foundDockerInfo = false;
        while (iter.hasNext()) {
            FeatureMap.Entry entry = iter.next();
            if (entry.getEStructuralFeature().getName().equals("dockerinfo")) {
                foundDockerInfo = true;
                String dockerInfoStr = String.valueOf(entry.getValue());
                if (dockerInfoStr != null && dockerInfoStr.length() > 0) {
                    if (dockerInfoStr.endsWith("|")) {
                        dockerInfoStr = dockerInfoStr.substring(0, dockerInfoStr.length() - 1);
                        String[] dockerInfoParts = dockerInfoStr.split("\\|");
                        String infoPartsToUse = dockerInfoParts[0];
                        String[] infoPartsToUseParts = infoPartsToUse.split("\\^");
                        if (infoPartsToUseParts != null && infoPartsToUseParts.length > 0) {
                            generator.writeArrayFieldStart("dockers");
                            generator.writeStartObject();
                            generator.writeObjectField("x", Double.valueOf(infoPartsToUseParts[0]));
                            generator.writeObjectField("y", Double.valueOf(infoPartsToUseParts[1]));
                            generator.writeEndObject();
                            generator.writeEndArray();
                        }
                    }
                }
            }
        }
        // backwards compatibility to older versions -- BZ 1196259
        if (!foundDockerInfo) {
            // find the edge associated with this boundary event
            for (DiagramElement element : plane.getPlaneElement()) {
                if (element instanceof BPMNEdge && ((BPMNEdge) element).getBpmnElement() == node) {
                    List<Point> waypoints = ((BPMNEdge) element).getWaypoint();
                    if (waypoints != null && waypoints.size() > 0) {
                        // one per boundary event
                        Point p = waypoints.get(0);
                        if (p != null) {
                            generator.writeArrayFieldStart("dockers");
                            generator.writeStartObject();
                            generator.writeObjectField("x", p.getX());
                            generator.writeObjectField("y", p.getY());
                            generator.writeEndObject();
                            generator.writeEndArray();
                        }
                    }
                }
            }
        }
    }
    BPMNShape shape = (BPMNShape) findDiagramElement(plane, node);
    Bounds bounds = shape.getBounds();
    correctEventNodeSize(shape);
    generator.writeObjectFieldStart("bounds");
    generator.writeObjectFieldStart("lowerRight");
    generator.writeObjectField("x", bounds.getX() + bounds.getWidth() - xOffset);
    generator.writeObjectField("y", bounds.getY() + bounds.getHeight() - yOffset);
    generator.writeEndObject();
    generator.writeObjectFieldStart("upperLeft");
    generator.writeObjectField("x", bounds.getX() - xOffset);
    generator.writeObjectField("y", bounds.getY() - yOffset);
    generator.writeEndObject();
    generator.writeEndObject();
}