org.activiti.image.impl

Class DefaultProcessDiagramGenerator

java.lang.Object

org.activiti.image.impl.DefaultProcessDiagramGenerator

All Implemented Interfaces:

ProcessDiagramGenerator

public class DefaultProcessDiagramGenerator
extends Object
implements ProcessDiagramGenerator

Class to generate an image based the diagram interchange information in a BPMN 2.0 process.

Author:

Joram Barrez, Tijs Rademakers

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
protected static interface	DefaultProcessDiagramGenerator.ActivityDrawInstruction
protected static interface	DefaultProcessDiagramGenerator.ArtifactDrawInstruction

Field Summary

Fields

Modifier and Type	Field and Description
protected Map<Class<? extends BaseElement>,DefaultProcessDiagramGenerator.ActivityDrawInstruction>	activityDrawInstructions
protected Map<Class<? extends BaseElement>,DefaultProcessDiagramGenerator.ArtifactDrawInstruction>	artifactDrawInstructions

Constructor Summary

Constructors

Constructor and Description
DefaultProcessDiagramGenerator()
DefaultProcessDiagramGenerator(double scaleFactor)

Method Summary

Methods

Modifier and Type	Method and Description
protected static List<GraphicInfo>	connectionPerfectionizer(DefaultProcessDiagramCanvas processDiagramCanvas, BpmnModel bpmnModel, BaseElement sourceElement, BaseElement targetElement, List<GraphicInfo> graphicInfoList) This method makes coordinates of connection flow better.
protected void	drawActivity(DefaultProcessDiagramCanvas processDiagramCanvas, BpmnModel bpmnModel, FlowNode flowNode, List<String> highLightedActivities, List<String> highLightedFlows, double scaleFactor)
protected void	drawArtifact(DefaultProcessDiagramCanvas processDiagramCanvas, BpmnModel bpmnModel, Artifact artifact)
protected static List<Artifact>	gatherAllArtifacts(BpmnModel bpmnModel)
protected static List<FlowNode>	gatherAllFlowNodes(BpmnModel bpmnModel)
protected static List<FlowNode>	gatherAllFlowNodes(FlowElementsContainer flowElementsContainer)
InputStream	generateDiagram(BpmnModel bpmnModel, String imageType, List<String> highLightedActivities)
InputStream	generateDiagram(BpmnModel bpmnModel, String imageType, List<String> highLightedActivities, double scaleFactor)
InputStream	generateDiagram(BpmnModel bpmnModel, String imageType, List<String> highLightedActivities, List<String> highLightedFlows) Generates a diagram of the given process definition, using the diagram interchange information of the process.
InputStream	generateDiagram(BpmnModel bpmnModel, String imageType, List<String> highLightedActivities, List<String> highLightedFlows, double scaleFactor)
InputStream	generateDiagram(BpmnModel bpmnModel, String imageType, List<String> highLightedActivities, List<String> highLightedFlows, String activityFontName, String labelFontName, ClassLoader customClassLoader, double scaleFactor) Generates a diagram of the given process definition, using the diagram interchange information of the process.
InputStream	generateDiagram(BpmnModel bpmnModel, String imageType, String activityFontName, String labelFontName, ClassLoader customClassLoader)
InputStream	generateDiagram(BpmnModel bpmnModel, String imageType, String activityFontName, String labelFontName, ClassLoader customClassLoader, double scaleFactor)
BufferedImage	generateImage(BpmnModel bpmnModel, String imageType, List<String> highLightedActivities, List<String> highLightedFlows, double scaleFactor)
BufferedImage	generateImage(BpmnModel bpmnModel, String imageType, List<String> highLightedActivities, List<String> highLightedFlows, String activityFontName, String labelFontName, ClassLoader customClassLoader, double scaleFactor)
InputStream	generateJpgDiagram(BpmnModel bpmnModel)
InputStream	generateJpgDiagram(BpmnModel bpmnModel, double scaleFactor)
InputStream	generatePngDiagram(BpmnModel bpmnModel)
InputStream	generatePngDiagram(BpmnModel bpmnModel, double scaleFactor)
BufferedImage	generatePngImage(BpmnModel bpmnModel, double scaleFactor)
protected DefaultProcessDiagramCanvas	generateProcessDiagram(BpmnModel bpmnModel, String imageType, List<String> highLightedActivities, List<String> highLightedFlows, String activityFontName, String labelFontName, ClassLoader customClassLoader, double scaleFactor)
protected static GraphicInfo	getLineCenter(List<GraphicInfo> graphicInfoList)
protected static DefaultProcessDiagramCanvas.SHAPE_TYPE	getShapeType(BaseElement baseElement) This method returns shape type of base element. Each element can be presented as rectangle, rhombus, or ellipse.
protected static DefaultProcessDiagramCanvas	initProcessDiagramCanvas(BpmnModel bpmnModel, String imageType, String activityFontName, String labelFontName, ClassLoader customClassLoader)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

activityDrawInstructions

protected final Map<Class<? extends BaseElement>,DefaultProcessDiagramGenerator.ActivityDrawInstruction> activityDrawInstructions

artifactDrawInstructions

protected final Map<Class<? extends BaseElement>,DefaultProcessDiagramGenerator.ArtifactDrawInstruction> artifactDrawInstructions

Constructor Detail

DefaultProcessDiagramGenerator

public DefaultProcessDiagramGenerator()

DefaultProcessDiagramGenerator

public DefaultProcessDiagramGenerator(double scaleFactor)

Method Detail

generateDiagram

public InputStream generateDiagram(BpmnModel bpmnModel,
                          String imageType,
                          List<String> highLightedActivities,
                          List<String> highLightedFlows,
                          String activityFontName,
                          String labelFontName,
                          ClassLoader customClassLoader,
                          double scaleFactor)

Description copied from interface: ProcessDiagramGenerator

Generates a diagram of the given process definition, using the diagram interchange information of the process.

Specified by:

generateDiagram in interface ProcessDiagramGenerator

Parameters:

bpmnModel - bpmn model to get diagram for

imageType - type of the image to generate.

highLightedActivities - activities to highlight

highLightedFlows - flows to highlight

activityFontName - override the default activity font

labelFontName - override the default label font

customClassLoader - provide a custom classloader for retrieving icon images

generateDiagram

public InputStream generateDiagram(BpmnModel bpmnModel,
                          String imageType,
                          List<String> highLightedActivities,
                          List<String> highLightedFlows)

Description copied from interface: ProcessDiagramGenerator

Generates a diagram of the given process definition, using the diagram interchange information of the process.

Specified by:

generateDiagram in interface ProcessDiagramGenerator

Parameters:

bpmnModel - bpmn model to get diagram for

imageType - type of the image to generate.

highLightedActivities - activities to highlight

highLightedFlows - flows to highlight

generateDiagram

public InputStream generateDiagram(BpmnModel bpmnModel,
                          String imageType,
                          List<String> highLightedActivities,
                          List<String> highLightedFlows,
                          double scaleFactor)

Specified by:

generateDiagram in interface ProcessDiagramGenerator

generateDiagram

public InputStream generateDiagram(BpmnModel bpmnModel,
                          String imageType,
                          List<String> highLightedActivities)

Specified by:

generateDiagram in interface ProcessDiagramGenerator

generateDiagram

public InputStream generateDiagram(BpmnModel bpmnModel,
                          String imageType,
                          List<String> highLightedActivities,
                          double scaleFactor)

Specified by:

generateDiagram in interface ProcessDiagramGenerator

generateDiagram

public InputStream generateDiagram(BpmnModel bpmnModel,
                          String imageType,
                          String activityFontName,
                          String labelFontName,
                          ClassLoader customClassLoader)

Specified by:

generateDiagram in interface ProcessDiagramGenerator

generateDiagram

public InputStream generateDiagram(BpmnModel bpmnModel,
                          String imageType,
                          String activityFontName,
                          String labelFontName,
                          ClassLoader customClassLoader,
                          double scaleFactor)

Specified by:

generateDiagram in interface ProcessDiagramGenerator

generatePngDiagram

public InputStream generatePngDiagram(BpmnModel bpmnModel)

Specified by:

generatePngDiagram in interface ProcessDiagramGenerator

generatePngDiagram

public InputStream generatePngDiagram(BpmnModel bpmnModel,
                             double scaleFactor)

Specified by:

generatePngDiagram in interface ProcessDiagramGenerator

generateJpgDiagram

public InputStream generateJpgDiagram(BpmnModel bpmnModel)

Specified by:

generateJpgDiagram in interface ProcessDiagramGenerator

generateJpgDiagram

public InputStream generateJpgDiagram(BpmnModel bpmnModel,
                             double scaleFactor)

Specified by:

generateJpgDiagram in interface ProcessDiagramGenerator

generateImage

public BufferedImage generateImage(BpmnModel bpmnModel,
                          String imageType,
                          List<String> highLightedActivities,
                          List<String> highLightedFlows,
                          String activityFontName,
                          String labelFontName,
                          ClassLoader customClassLoader,
                          double scaleFactor)

generateImage

public BufferedImage generateImage(BpmnModel bpmnModel,
                          String imageType,
                          List<String> highLightedActivities,
                          List<String> highLightedFlows,
                          double scaleFactor)

generatePngImage

public BufferedImage generatePngImage(BpmnModel bpmnModel,
                             double scaleFactor)

Specified by:

generatePngImage in interface ProcessDiagramGenerator

generateProcessDiagram

protected DefaultProcessDiagramCanvas generateProcessDiagram(BpmnModel bpmnModel,
                                                 String imageType,
                                                 List<String> highLightedActivities,
                                                 List<String> highLightedFlows,
                                                 String activityFontName,
                                                 String labelFontName,
                                                 ClassLoader customClassLoader,
                                                 double scaleFactor)

drawActivity

protected void drawActivity(DefaultProcessDiagramCanvas processDiagramCanvas,
                BpmnModel bpmnModel,
                FlowNode flowNode,
                List<String> highLightedActivities,
                List<String> highLightedFlows,
                double scaleFactor)

connectionPerfectionizer

protected static List<GraphicInfo> connectionPerfectionizer(DefaultProcessDiagramCanvas processDiagramCanvas,
                                         BpmnModel bpmnModel,
                                         BaseElement sourceElement,
                                         BaseElement targetElement,
                                         List<GraphicInfo> graphicInfoList)

This method makes coordinates of connection flow better.

Parameters:

processDiagramCanvas -

bpmnModel -

sourceElement -

targetElement -

graphicInfoList -

Returns:

getShapeType

protected static DefaultProcessDiagramCanvas.SHAPE_TYPE getShapeType(BaseElement baseElement)

This method returns shape type of base element.
Each element can be presented as rectangle, rhombus, or ellipse.

Parameters:

baseElement -

Returns:

DefaultProcessDiagramCanvas.SHAPE_TYPE

getLineCenter

protected static GraphicInfo getLineCenter(List<GraphicInfo> graphicInfoList)

drawArtifact

protected void drawArtifact(DefaultProcessDiagramCanvas processDiagramCanvas,
                BpmnModel bpmnModel,
                Artifact artifact)

initProcessDiagramCanvas

protected static DefaultProcessDiagramCanvas initProcessDiagramCanvas(BpmnModel bpmnModel,
                                                   String imageType,
                                                   String activityFontName,
                                                   String labelFontName,
                                                   ClassLoader customClassLoader)

gatherAllArtifacts

protected static List<Artifact> gatherAllArtifacts(BpmnModel bpmnModel)

gatherAllFlowNodes

protected static List<FlowNode> gatherAllFlowNodes(BpmnModel bpmnModel)

gatherAllFlowNodes

protected static List<FlowNode> gatherAllFlowNodes(FlowElementsContainer flowElementsContainer)