y.io.graphml.graph2d
Class AbstractEdgeRealizerSerializer

java.lang.Object
  y.io.graphml.graph2d.AbstractEdgeRealizerSerializer

All Implemented Interfaces:

EdgeRealizerSerializer

Direct Known Subclasses:

ArcEdgeRealizerSerializer, BezierEdgeRealizerSerializer, FallbackEdgeRealizerSerializer, GenericEdgeRealizerSerializer, PolyLineEdgeRealizerSerializer, QuadCurveEdgeRealizerSerializer, SplineEdgeRealizerSerializer

public abstract class AbstractEdgeRealizerSerializer
extends java.lang.Object
implements EdgeRealizerSerializer

Abstract base class for instances of EdgeRealizerSerializer. This class parses/writes basic properties of EdgeRealizers.

Constructor Summary

AbstractEdgeRealizerSerializer()

Method Summary

boolean	canHandle(EdgeRealizer er, GraphMLWriteContext context) Returns true iff er.getClass() == getRealizerClass().
boolean	canHandle(org.w3c.dom.Node n, GraphMLParseContext context) Returns true iff n.getNamespaceURI().equals(getNamespaceURI()) && n.getLocalName().equals(getName()).
EdgeRealizer	createRealizerInstance(org.w3c.dom.Node node, GraphMLParseContext context) Create new instance of the Realizer from the given information
java.lang.String	getNamespacePrefix() The namespace prefix to use for writing.
void	parse(EdgeRealizer er, org.w3c.dom.Node domNode, GraphMLParseContext context) Parses the properties from an instance of EdgeRealizer.
protected void	parseLabel(EdgeRealizer er, org.w3c.dom.Node n, GraphMLParseContext context) Parses a single EdgeLabel element.
protected Port	parsePort(org.w3c.dom.Node domNode, GraphMLParseContext context) Parses a single SourcePort or TargetPort element.
void	write(EdgeRealizer edgeRealizer, XmlWriter ps, GraphMLWriteContext context) Writes the realizer element's content.
void	writeAttributes(EdgeRealizer er, XmlWriter writer, GraphMLWriteContext context) Writes the attributes of an EdgeRealizer element.
protected void	writeEdgeLabel(EdgeLabel label, XmlWriter writer, GraphMLWriteContext context) Write a single EdgeLabel element.
protected void	writePort(Port port, XmlWriter ps, GraphMLWriteContext context, boolean atSource) Write a single SourcePort or TargetPort element.

Methods inherited from class java.lang.Object

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

Methods inherited from interface y.io.graphml.graph2d.EdgeRealizerSerializer

getName, getNamespaceURI, getRealizerClass

Constructor Detail

AbstractEdgeRealizerSerializer

public AbstractEdgeRealizerSerializer()

Method Detail

parse

public void parse(EdgeRealizer er,
                  org.w3c.dom.Node domNode,
                  GraphMLParseContext context)
           throws GraphMLParseException

Parses the properties from an instance of EdgeRealizer.

Specified by:

parse in interface EdgeRealizerSerializer

Parameters:

er - An existing EdgeRealizer instance which is configured.

domNode - The XML node containing the realizer data.

context - The current parse context.

Throws:

GraphMLParseException

parseLabel

protected void parseLabel(EdgeRealizer er,
                          org.w3c.dom.Node n,
                          GraphMLParseContext context)
                   throws GraphMLParseException

Parses a single EdgeLabel element.

Parameters:

er - The EdgeRealizer that will own this label.

n - The DOM node containing the label data.

context - The current parse context.

Throws:

GraphMLParseException

parsePort

protected Port parsePort(org.w3c.dom.Node domNode,
                         GraphMLParseContext context)
                  throws GraphMLParseException

Parses a single SourcePort or TargetPort element.

Parameters:

context - The current parse context.

domNode - The DOM node containing the Port data.

Throws:

GraphMLParseException

writeAttributes

public void writeAttributes(EdgeRealizer er,
                            XmlWriter writer,
                            GraphMLWriteContext context)

Description copied from interface: EdgeRealizerSerializer

Writes the attributes of an EdgeRealizer element.

Specified by:

writeAttributes in interface EdgeRealizerSerializer

Parameters:

er - The Realizer to write.

writer - The XmlWriter for the serialization.

context - The current write context.

write

public void write(EdgeRealizer edgeRealizer,
                  XmlWriter ps,
                  GraphMLWriteContext context)
           throws GraphMLWriteException

Description copied from interface: EdgeRealizerSerializer

Writes the realizer element's content.

Specified by:

write in interface EdgeRealizerSerializer

Parameters:

edgeRealizer - The Realizer to write.

ps - The XmlWriter for the serialization.

context - The current write context.

Throws:

GraphMLWriteException

writeEdgeLabel

protected void writeEdgeLabel(EdgeLabel label,
                              XmlWriter writer,
                              GraphMLWriteContext context)
                       throws GraphMLWriteException

Write a single EdgeLabel element.

Parameters:

context - The current parse context.

writer - The XML writer to use.

label - The label to write.

Throws:

GraphMLWriteException

writePort

protected void writePort(Port port,
                         XmlWriter ps,
                         GraphMLWriteContext context,
                         boolean atSource)

Write a single SourcePort or TargetPort element.

Parameters:

context - The current parse context.

ps - The XML writer to use.

port - The port to write.

atSource - true iff a SourcePort should be written.

canHandle

public boolean canHandle(EdgeRealizer er,
                         GraphMLWriteContext context)

Returns true iff er.getClass() == getRealizerClass().

Specified by:

canHandle in interface EdgeRealizerSerializer

Parameters:

er - The Realizer that my be written

context - The current write context

Returns:

true iff er.getClass() == getRealizerClass().

canHandle

public boolean canHandle(org.w3c.dom.Node n,
                         GraphMLParseContext context)

Returns true iff n.getNamespaceURI().equals(getNamespaceURI()) && n.getLocalName().equals(getName()).

Specified by:

canHandle in interface EdgeRealizerSerializer

Parameters:

n - The DOM node that may be parsed.

context - The current parse context.

Returns:

true iff n.getNamespaceURI().equals(getNamespaceURI()) && n.getLocalName().equals(getName()).

createRealizerInstance

public EdgeRealizer createRealizerInstance(org.w3c.dom.Node node,
                                           GraphMLParseContext context)
                                    throws GraphMLParseException

Description copied from interface: EdgeRealizerSerializer

Create new instance of the Realizer from the given information

Specified by:

createRealizerInstance in interface EdgeRealizerSerializer

Parameters:

node - The DOM node that represents the realizer data.

context - The current parse context.

Returns:

new instance of the Realizer

Throws:

GraphMLParseException

getNamespacePrefix

public java.lang.String getNamespacePrefix()

The namespace prefix to use for writing.

Specified by:

getNamespacePrefix in interface EdgeRealizerSerializer

Returns:

null, meaning that a predeclared mapping should be used.