org.apache.xalan.xpath
Class XBoolean

java.lang.Object
  |
  +--org.apache.xpath.Expression
        |
        +--org.apache.xpath.objects.XObject
              |
              +--org.apache.xalan.xpath.XObject
                    |
                    +--org.apache.xalan.xpath.XBoolean
Direct Known Subclasses:
XBooleanStatic

public class XBoolean
extends XObject

This class represents an XPath boolean object, and is capable of converting the boolean to other types, such as a string.

See Also:
Serialized Form

Fields inherited from class org.apache.xpath.objects.XObject
CLASS_BOOLEAN, CLASS_NODESET, CLASS_NULL, CLASS_NUMBER, CLASS_RTREEFRAG, CLASS_STRING, CLASS_UNKNOWN, CLASS_UNRESOLVEDVARIABLE
 
Constructor Summary
XBoolean(boolean b)
          Construct a XBoolean object.
 
Method Summary
 boolean bool()
          Cast result object to a boolean.
 boolean equals(XObject obj2)
          Tell if two objects are functionally equal.
 int getType()
          Tell that this is a CLASS_BOOLEAN.
 java.lang.String getTypeString()
          Given a request type, return the equivalent string.
 double num()
          Cast result object to a number.
 java.lang.Object object()
          Return a java object that's closes to the represenation that should be handed to an extension.
 java.lang.String str()
          Cast result object to a string.
 
Methods inherited from class org.apache.xpath.objects.XObject
castToType, create, equals, execute, greaterThan, greaterThanOrEqual, lessThan, lessThanOrEqual, mutableNodeset, nodeset, notEquals, rtree, rtree, toString
 
Methods inherited from class org.apache.xpath.Expression
assertion, canTraverseOutsideSubtree, error, setSourceLocator, warn
 
Methods inherited from class java.lang.Object
equals, getClass, hashCode, notify, notifyAll, wait, wait, wait
 

Constructor Detail

XBoolean

public XBoolean(boolean b)
Construct a XBoolean object.
Method Detail

getType

public int getType()
Tell that this is a CLASS_BOOLEAN.
Overrides:
getType in class org.apache.xpath.objects.XObject

getTypeString

public java.lang.String getTypeString()
Given a request type, return the equivalent string. For diagnostic purposes.
Overrides:
getTypeString in class org.apache.xpath.objects.XObject

num

public double num()
Cast result object to a number.
Overrides:
num in class org.apache.xpath.objects.XObject

bool

public boolean bool()
Cast result object to a boolean.
Overrides:
bool in class org.apache.xpath.objects.XObject

str

public java.lang.String str()
Cast result object to a string.
Overrides:
str in class org.apache.xpath.objects.XObject

object

public java.lang.Object object()
Return a java object that's closes to the represenation that should be handed to an extension.
Overrides:
object in class org.apache.xpath.objects.XObject

equals

public boolean equals(XObject obj2)
               throws org.xml.sax.SAXException,
                      javax.xml.transform.TransformerException
Tell if two objects are functionally equal.


Copyright © 2000 Apache XML Project. All Rights Reserved.