net.sourceforge.pmd.util.viewer.model
Class ViewerModel

java.lang.Object
  extended by net.sourceforge.pmd.util.viewer.model.ViewerModel

public class ViewerModel
extends java.lang.Object


Constructor Summary
ViewerModel()
           
 
Method Summary
 void addViewerModelListener(ViewerModelListener l)
           
 void appendToXPathExpression(java.lang.String pathFragment, java.lang.Object appender)
          appends the given fragment to the XPath expression
 void commitSource(java.lang.String source, TargetJDKVersion jdk)
          commits source code to the model.
 void evaluateXPathExpression(java.lang.String xPath, java.lang.Object evaluator)
          evaluates the given XPath expression against the current tree
protected  void fireViewerModelEvent(ViewerModelEvent e)
           
 java.util.List getLastEvaluationResults()
          retrieves the results of last evaluation
 SimpleNode getRootNode()
           
 boolean hasCompiledTree()
          determines whether the model has a compiled tree at it's disposal
 void removeViewerModelListener(ViewerModelListener l)
           
 void selectNode(SimpleNode node, java.lang.Object selector)
          selects the given node in the AST
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

ViewerModel

public ViewerModel()
Method Detail

getRootNode

public SimpleNode getRootNode()

commitSource

public void commitSource(java.lang.String source,
                         TargetJDKVersion jdk)
commits source code to the model. all existing source will be replaced


hasCompiledTree

public boolean hasCompiledTree()
determines whether the model has a compiled tree at it's disposal

Returns:
true if there is an AST, false otherwise

evaluateXPathExpression

public void evaluateXPathExpression(java.lang.String xPath,
                                    java.lang.Object evaluator)
                             throws ParseException,
                                    org.jaxen.JaxenException
evaluates the given XPath expression against the current tree

Parameters:
xPath - XPath expression to be evaluated
evaluator - object which requests the evaluation
Throws:
ParseException
org.jaxen.JaxenException

getLastEvaluationResults

public java.util.List getLastEvaluationResults()
retrieves the results of last evaluation

Returns:
a list containing the nodes selected by the last XPath expression

evaluation


selectNode

public void selectNode(SimpleNode node,
                       java.lang.Object selector)
selects the given node in the AST

Parameters:
node - node to be selected
selector - object which requests the selection

appendToXPathExpression

public void appendToXPathExpression(java.lang.String pathFragment,
                                    java.lang.Object appender)
appends the given fragment to the XPath expression

Parameters:
pathFragment - fragment to be added
appender - object that is trying to append the fragment

addViewerModelListener

public void addViewerModelListener(ViewerModelListener l)

removeViewerModelListener

public void removeViewerModelListener(ViewerModelListener l)

fireViewerModelEvent

protected void fireViewerModelEvent(ViewerModelEvent e)


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