Class XObjectImpl

java.lang.Object

org.xmldb.common.xml.queries.xalan2.XObjectImpl

All Implemented Interfaces:

Serializable, XObject

public final class XObjectImpl
extends Object
implements XObject

Wrapper for the Xalan XObject and maybe other XPath implementation specific things.

Version:

$Revision: 1.1 $ $Date: 2004/05/30 11:54:45 $

Author:

SMB

See Also:

• Serialized Form

Field Summary

Fields inherited from interface XObject

CLASS_BOOLEAN, CLASS_NODESET, CLASS_NULL, CLASS_NUMBER, CLASS_RTREEFRAG, CLASS_STRING, CLASS_UNKNOWN

Constructor Summary

Constructors

Constructor	Description
XObjectImpl(org.apache.xpath.objects.XObject xobj)	Creates a new XalanXObject.

Method Summary

Modifier and Type	Method	Description
boolean	bool()	Cast result object to a boolean.
int	getType()
NodeList	nodeset()	Cast result object to a nodelist.
double	num()	Cast result object to a number.
DocumentFragment	rtree()	Cast result object to a result tree fragment.
String	str()	Cast result object to a string.

Methods inherited from class Object

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

Constructor Details

XObjectImpl

public XObjectImpl(org.apache.xpath.objects.XObject xobj)
            throws IllegalArgumentException

Creates a new XalanXObject.

Parameters:

xobj - Xalans native XObject that should be wrapped.

Throws:

IllegalArgumentException - If the given XObject was null.

Method Details

getType

public int getType()

Specified by:

getType in interface XObject

bool

public boolean bool()
             throws TransformerException

Description copied from interface: XObject

Cast result object to a boolean.

Specified by:

bool in interface XObject

Returns:

The Object casted to boolean

Throws:

TransformerException

num

public double num()
           throws TransformerException

Description copied from interface: XObject

Cast result object to a number.

Specified by:

num in interface XObject

Returns:

The Object casted to double.

Throws:

TransformerException

str

public String str()

Description copied from interface: XObject

Cast result object to a string.

Specified by:

str in interface XObject

Returns:

The Object casted to string.

nodeset

public NodeList nodeset()
                 throws TransformerException

Description copied from interface: XObject

Cast result object to a nodelist.

Specified by:

nodeset in interface XObject

Returns:

The Object casted to NodeList.

Throws:

TransformerException

rtree

public DocumentFragment rtree()

Description copied from interface: XObject

Cast result object to a result tree fragment.

Specified by:

rtree in interface XObject

Returns:

The Object casted to DocumentFragment.