Class UnionPattern

java.lang.Object

org.jaxen.pattern.Pattern

org.jaxen.pattern.UnionPattern

public class UnionPattern
extends Pattern

UnionPattern represents a union pattern.

Version:

$Revision$

Author:

James Strachan

Field Summary

Fields inherited from class Pattern

ANY_NODE, ATTRIBUTE_NODE, CDATA_SECTION_NODE, COMMENT_NODE, DOCUMENT_NODE, DOCUMENT_TYPE_NODE, ELEMENT_NODE, ENTITY_REFERENCE_NODE, MAX_NODE_TYPE, NAMESPACE_NODE, NO_NODE, PROCESSING_INSTRUCTION_NODE, TEXT_NODE, UNKNOWN_NODE

Constructor Summary

Constructors

Constructor	Description
UnionPattern()
UnionPattern(Pattern lhs, Pattern rhs)

Method Summary

Modifier and Type	Method	Description
Pattern	getLHS()
String	getMatchesNodeName()	For patterns which only match an ATTRIBUTE_NODE or an ELEMENT_NODE then this pattern may return the name of the element or attribute it matches.
short	getMatchType()	Returns the type of node the pattern matches.
Pattern	getRHS()
String	getText()	Returns a textual representation of this pattern
Pattern[]	getUnionPatterns()	If this pattern is a union pattern then this method should return an array of patterns which describe the union pattern, which should contain more than one pattern.
boolean	matches(Object node, Context context)
void	setLHS(Pattern lhs)
void	setRHS(Pattern rhs)
Pattern	simplify()
String	toString()

Methods inherited from class Pattern

getPriority

Methods inherited from class Object

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

Constructor Details

UnionPattern

public UnionPattern()

UnionPattern

public UnionPattern(Pattern lhs,
 Pattern rhs)

Method Details

getLHS

public Pattern getLHS()

setLHS

public void setLHS(Pattern lhs)

getRHS

public Pattern getRHS()

setRHS

public void setRHS(Pattern rhs)

matches

public boolean matches(Object node,
 Context context)
                throws JaxenException

Specified by:

matches in class Pattern

Parameters:

node - ????

context - ????

Returns:

true if the pattern matches the given node

Throws:

JaxenException - if ????

getUnionPatterns

public Pattern[] getUnionPatterns()

Description copied from class: Pattern

If this pattern is a union pattern then this method should return an array of patterns which describe the union pattern, which should contain more than one pattern. Otherwise this method should return null.

Overrides:

getUnionPatterns in class Pattern

Returns:

an array of the patterns which make up this union pattern or null if this pattern is not a union pattern

getMatchType

public short getMatchType()

Description copied from class: Pattern

Returns the type of node the pattern matches.

Overrides:

getMatchType in class Pattern

Returns:

ANY_NODE unless overridden

getMatchesNodeName

public String getMatchesNodeName()

Description copied from class: Pattern

For patterns which only match an ATTRIBUTE_NODE or an ELEMENT_NODE then this pattern may return the name of the element or attribute it matches. This allows a more efficient rule matching algorithm to be performed, rather than a brute force approach of evaluating every pattern for a given Node.

Overrides:

getMatchesNodeName in class Pattern

Returns:

the name of the element or attribute this pattern matches or null if this pattern matches any or more than one name

simplify

public Pattern simplify()

Overrides:

simplify in class Pattern

getText

public String getText()

Description copied from class: Pattern

Returns a textual representation of this pattern

Specified by:

getText in class Pattern

Returns:

the usual string form of this XSLT pattern

toString

public String toString()

Overrides:

toString in class Object