Package com.sun.msv.verifier.regexp

Class StringCareLevelCalculator

java.lang.Object

com.sun.msv.verifier.regexp.StringCareLevelCalculator

All Implemented Interfaces:

ExpressionVisitor

public class StringCareLevelCalculator
extends java.lang.Object
implements ExpressionVisitor

calculates how character literals should be treated. This class is thread-safe: multiple threads can simultaneously access the same instance. Note that there is no guarantee that the derived class is thread-safe.

Field Summary

Fields

Modifier and Type	Field	Description
private static java.lang.String	ANY_STRING
private static java.lang.String	NO_STRING
private static java.lang.String	SOME_STRING
protected static StringCareLevelCalculator	theInstance	singleton instance.

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	StringCareLevelCalculator()

Method Summary

Modifier and Type	Method	Description
static int	calc(Expression exp)
private java.lang.Object	doChoice(BinaryExp exp)
java.lang.Object	onAnyString()
java.lang.Object	onAttribute(AttributeExp exp)
java.lang.Object	onChoice(ChoiceExp exp)
java.lang.Object	onConcur(ConcurExp exp)
java.lang.Object	onData(DataExp exp)
java.lang.Object	onElement(ElementExp exp)
java.lang.Object	onEpsilon()
java.lang.Object	onInterleave(InterleaveExp p)
java.lang.Object	onList(ListExp exp)
java.lang.Object	onMixed(MixedExp exp)
java.lang.Object	onNullSet()
java.lang.Object	onOneOrMore(OneOrMoreExp exp)
java.lang.Object	onOther(OtherExp exp)
java.lang.Object	onRef(ReferenceExp exp)
java.lang.Object	onSequence(SequenceExp exp)
java.lang.Object	onValue(ValueExp exp)

Methods inherited from class java.lang.Object

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

Field Detail

theInstance

protected static final StringCareLevelCalculator theInstance

singleton instance.

ANY_STRING

private static final java.lang.String ANY_STRING

See Also:

Constant Field Values

NO_STRING

private static final java.lang.String NO_STRING

See Also:

Constant Field Values

SOME_STRING

private static final java.lang.String SOME_STRING

See Also:

Constant Field Values

Constructor Detail

StringCareLevelCalculator

protected StringCareLevelCalculator()

Method Detail

onAttribute

public java.lang.Object onAttribute(AttributeExp exp)

Specified by:

onAttribute in interface ExpressionVisitor

onElement

public java.lang.Object onElement(ElementExp exp)

Specified by:

onElement in interface ExpressionVisitor

onMixed

public java.lang.Object onMixed(MixedExp exp)

Specified by:

onMixed in interface ExpressionVisitor

onList

public java.lang.Object onList(ListExp exp)

Specified by:

onList in interface ExpressionVisitor

onAnyString

public java.lang.Object onAnyString()

Specified by:

onAnyString in interface ExpressionVisitor

onData

public java.lang.Object onData(DataExp exp)

Specified by:

onData in interface ExpressionVisitor

onValue

public java.lang.Object onValue(ValueExp exp)

Specified by:

onValue in interface ExpressionVisitor

onChoice

public java.lang.Object onChoice(ChoiceExp exp)

Specified by:

onChoice in interface ExpressionVisitor

doChoice

private java.lang.Object doChoice(BinaryExp exp)

onOneOrMore

public java.lang.Object onOneOrMore(OneOrMoreExp exp)

Specified by:

onOneOrMore in interface ExpressionVisitor

onRef

public java.lang.Object onRef(ReferenceExp exp)

Specified by:

onRef in interface ExpressionVisitor

onOther

public java.lang.Object onOther(OtherExp exp)

Specified by:

onOther in interface ExpressionVisitor

onEpsilon

public java.lang.Object onEpsilon()

Specified by:

onEpsilon in interface ExpressionVisitor

onNullSet

public java.lang.Object onNullSet()

Specified by:

onNullSet in interface ExpressionVisitor

onSequence

public java.lang.Object onSequence(SequenceExp exp)

Specified by:

onSequence in interface ExpressionVisitor

onConcur

public java.lang.Object onConcur(ConcurExp exp)

Specified by:

onConcur in interface ExpressionVisitor

onInterleave

public java.lang.Object onInterleave(InterleaveExp p)

Specified by:

onInterleave in interface ExpressionVisitor

calc

public static int calc(Expression exp)