org.flowable.dmn.image.impl

Class DefaultDecisionRequirementsDiagramGenerator

java.lang.Object

org.flowable.dmn.image.impl.DefaultDecisionRequirementsDiagramGenerator

All Implemented Interfaces:

DecisionRequirementsDiagramGenerator

public class DefaultDecisionRequirementsDiagramGenerator
extends Object
implements DecisionRequirementsDiagramGenerator

Class to generate an image based the diagram interchange information in a DMN 1.2 definition.

Author:

Yvo Swillens

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
protected static interface	DefaultDecisionRequirementsDiagramGenerator.ActivityDrawInstruction

Field Summary

Fields

Modifier and Type	Field and Description
protected Map<Class<? extends NamedElement>,DefaultDecisionRequirementsDiagramGenerator.ActivityDrawInstruction>	elementDrawInstructions

Constructor Summary

Constructors

Constructor and Description
DefaultDecisionRequirementsDiagramGenerator()
DefaultDecisionRequirementsDiagramGenerator(double scaleFactor)

Method Summary

Modifier and Type	Method and Description
protected static List<GraphicInfo>	connectionPerfectionizer(DefaultDecisionRequirementsDiagramCanvas processDiagramCanvas, DmnDefinition dmnDefinition, DmnElement sourceElement, DmnElement targetElement, List<GraphicInfo> graphicInfoList)
protected void	drawDecision(DefaultDecisionRequirementsDiagramCanvas decisionRequirementsDiagramCanvas, DmnDefinition dmnDefinition, Decision decision, double scaleFactor)
protected void	drawInformationRequirement(DefaultDecisionRequirementsDiagramCanvas decisionRequirementsDiagramCanvas, DmnDefinition dmnDefinition, InformationRequirement informationRequirement, Decision targetDecision, double scaleFactor)
protected DefaultDecisionRequirementsDiagramCanvas	generateDecisionRequirementsDiagram(DmnDefinition dmnDefinition, String imageType, String activityFontName, String labelFontName, String annotationFontName, ClassLoader customClassLoader, double scaleFactor)
InputStream	generateDiagram(DmnDefinition dmnDefinition, String imageType) Generates a diagram of the given process definition, using the diagram interchange information of the process.
InputStream	generateDiagram(DmnDefinition dmnDefinition, String imageType, double scaleFactor)
InputStream	generateDiagram(DmnDefinition dmnDefinition, String imageType, String activityFontName, String labelFontName, String annotationFontName, ClassLoader customClassLoader)
InputStream	generateDiagram(DmnDefinition dmnDefinition, String imageType, String activityFontName, String labelFontName, String annotationFontName, ClassLoader customClassLoader, double scaleFactor) Generates a diagram of the given decision definition, using the diagram interchange information of the decision.
BufferedImage	generateImage(DmnDefinition dmnDefinition, String imageType, double scaleFactor)
BufferedImage	generateImage(DmnDefinition dmnDefinition, String imageType, String activityFontName, String labelFontName, String annotationFontName, ClassLoader customClassLoader, double scaleFactor)
InputStream	generateJpgDiagram(DmnDefinition dmnDefinition)
InputStream	generateJpgDiagram(DmnDefinition dmnDefinition, double scaleFactor)
InputStream	generatePngDiagram(DmnDefinition dmnDefinition)
InputStream	generatePngDiagram(DmnDefinition dmnDefinition, double scaleFactor)
BufferedImage	generatePngImage(DmnDefinition dmnDefinition, double scaleFactor)
Map<Class<? extends NamedElement>,DefaultDecisionRequirementsDiagramGenerator.ActivityDrawInstruction>	getElementDrawInstructions()
protected static GraphicInfo	getLineCenter(List<GraphicInfo> graphicInfoList)
protected static DefaultDecisionRequirementsDiagramCanvas.SHAPE_TYPE	getShapeType(DmnElement baseElement) This method returns shape type of base element. Each element can be presented as rectangle, rhombus, or ellipse.
protected static DefaultDecisionRequirementsDiagramCanvas	initDecisionRequirementsDiagramCanvas(DmnDefinition dmnDefinition, String imageType, String activityFontName, String labelFontName, String annotationFontName, ClassLoader customClassLoader)
protected void	prepareDmnDefinition(DmnDefinition dmnDefinition)
void	setElementDrawInstructions(Map<Class<? extends NamedElement>,DefaultDecisionRequirementsDiagramGenerator.ActivityDrawInstruction> elementDrawInstructions)

Methods inherited from class java.lang.Object

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

Field Detail

elementDrawInstructions

protected Map<Class<? extends NamedElement>,DefaultDecisionRequirementsDiagramGenerator.ActivityDrawInstruction> elementDrawInstructions

Constructor Detail

DefaultDecisionRequirementsDiagramGenerator

public DefaultDecisionRequirementsDiagramGenerator()

DefaultDecisionRequirementsDiagramGenerator

public DefaultDecisionRequirementsDiagramGenerator(double scaleFactor)

Method Detail

generateDiagram

public InputStream generateDiagram(DmnDefinition dmnDefinition,
                                   String imageType,
                                   String activityFontName,
                                   String labelFontName,
                                   String annotationFontName,
                                   ClassLoader customClassLoader,
                                   double scaleFactor)

Description copied from interface: DecisionRequirementsDiagramGenerator

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

Specified by:

generateDiagram in interface DecisionRequirementsDiagramGenerator

Parameters:

dmnDefinition - dmn model to get diagram for

imageType - type of the image to generate.

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(DmnDefinition dmnDefinition,
                                   String imageType)

Description copied from interface: DecisionRequirementsDiagramGenerator

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

Specified by:

generateDiagram in interface DecisionRequirementsDiagramGenerator

Parameters:

dmnDefinition - dmn model to get diagram for

imageType - type of the image to generate.

generateDiagram

public InputStream generateDiagram(DmnDefinition dmnDefinition,
                                   String imageType,
                                   double scaleFactor)

Specified by:

generateDiagram in interface DecisionRequirementsDiagramGenerator

generateDiagram

public InputStream generateDiagram(DmnDefinition dmnDefinition,
                                   String imageType,
                                   String activityFontName,
                                   String labelFontName,
                                   String annotationFontName,
                                   ClassLoader customClassLoader)

Specified by:

generateDiagram in interface DecisionRequirementsDiagramGenerator

generatePngDiagram

public InputStream generatePngDiagram(DmnDefinition dmnDefinition)

Specified by:

generatePngDiagram in interface DecisionRequirementsDiagramGenerator

generatePngDiagram

public InputStream generatePngDiagram(DmnDefinition dmnDefinition,
                                      double scaleFactor)

Specified by:

generatePngDiagram in interface DecisionRequirementsDiagramGenerator

generateJpgDiagram

public InputStream generateJpgDiagram(DmnDefinition dmnDefinition)

Specified by:

generateJpgDiagram in interface DecisionRequirementsDiagramGenerator

generateJpgDiagram

public InputStream generateJpgDiagram(DmnDefinition dmnDefinition,
                                      double scaleFactor)

Specified by:

generateJpgDiagram in interface DecisionRequirementsDiagramGenerator

generateImage

public BufferedImage generateImage(DmnDefinition dmnDefinition,
                                   String imageType,
                                   String activityFontName,
                                   String labelFontName,
                                   String annotationFontName,
                                   ClassLoader customClassLoader,
                                   double scaleFactor)

generateImage

public BufferedImage generateImage(DmnDefinition dmnDefinition,
                                   String imageType,
                                   double scaleFactor)

generatePngImage

public BufferedImage generatePngImage(DmnDefinition dmnDefinition,
                                      double scaleFactor)

Specified by:

generatePngImage in interface DecisionRequirementsDiagramGenerator

generateDecisionRequirementsDiagram

protected DefaultDecisionRequirementsDiagramCanvas generateDecisionRequirementsDiagram(DmnDefinition dmnDefinition,
                                                                                       String imageType,
                                                                                       String activityFontName,
                                                                                       String labelFontName,
                                                                                       String annotationFontName,
                                                                                       ClassLoader customClassLoader,
                                                                                       double scaleFactor)

prepareDmnDefinition

protected void prepareDmnDefinition(DmnDefinition dmnDefinition)

drawDecision

protected void drawDecision(DefaultDecisionRequirementsDiagramCanvas decisionRequirementsDiagramCanvas,
                            DmnDefinition dmnDefinition,
                            Decision decision,
                            double scaleFactor)

drawInformationRequirement

protected void drawInformationRequirement(DefaultDecisionRequirementsDiagramCanvas decisionRequirementsDiagramCanvas,
                                          DmnDefinition dmnDefinition,
                                          InformationRequirement informationRequirement,
                                          Decision targetDecision,
                                          double scaleFactor)

connectionPerfectionizer

protected static List<GraphicInfo> connectionPerfectionizer(DefaultDecisionRequirementsDiagramCanvas processDiagramCanvas,
                                                            DmnDefinition dmnDefinition,
                                                            DmnElement sourceElement,
                                                            DmnElement targetElement,
                                                            List<GraphicInfo> graphicInfoList)

getShapeType

protected static DefaultDecisionRequirementsDiagramCanvas.SHAPE_TYPE getShapeType(DmnElement 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)

initDecisionRequirementsDiagramCanvas

protected static DefaultDecisionRequirementsDiagramCanvas initDecisionRequirementsDiagramCanvas(DmnDefinition dmnDefinition,
                                                                                                String imageType,
                                                                                                String activityFontName,
                                                                                                String labelFontName,
                                                                                                String annotationFontName,
                                                                                                ClassLoader customClassLoader)

getElementDrawInstructions

public Map<Class<? extends NamedElement>,DefaultDecisionRequirementsDiagramGenerator.ActivityDrawInstruction> getElementDrawInstructions()

setElementDrawInstructions

public void setElementDrawInstructions(Map<Class<? extends NamedElement>,DefaultDecisionRequirementsDiagramGenerator.ActivityDrawInstruction> elementDrawInstructions)