org.apache.xpath.functions
Class FuncSystemProperty

java.lang.Object
  extended byorg.apache.xpath.Expression
      extended byorg.apache.xpath.functions.Function
          extended byorg.apache.xpath.functions.FunctionOneArg
              extended byorg.apache.xpath.functions.FuncSystemProperty
All Implemented Interfaces:
ExpressionNode, ExpressionOwner, Serializable, javax.xml.transform.SourceLocator, XPathVisitable

public class FuncSystemProperty
extends FunctionOneArg

Execute the SystemProperty() function.

See Also:
Serialized Form

Field Summary
private static Class[] NO_CLASSES
          a zero length Class array used in loadPropertyFile()
private static Object[] NO_OBJS
          a zero length Object array used in loadPropertyFile()
(package private) static String XSLT_PROPERTIES
          The path/filename of the property file: XSLTInfo.properties Maintenance note: see also org.apache.xalan.processor.TransformerFactoryImpl.XSLT_PROPERTIES
 
Fields inherited from class org.apache.xpath.functions.FunctionOneArg
m_arg0
 
Fields inherited from class org.apache.xpath.Expression
 
Constructor Summary
FuncSystemProperty()
           
 
Method Summary
 XObject execute(XPathContext xctxt)
          Execute the function.
 void loadPropertyFile(String file, Properties target)
          Retrieve a propery bundle from a specified file
 
Methods inherited from class org.apache.xpath.functions.FunctionOneArg
callArgVisitors, canTraverseOutsideSubtree, checkNumberArgs, deepEquals, fixupVariables, getArg0, getExpression, reportWrongNumberArgs, setArg, setExpression
 
Methods inherited from class org.apache.xpath.functions.Function
callVisitors, postCompileStep
 
Methods inherited from class org.apache.xpath.Expression
asIterator, asIteratorRaw, asNode, assertion, bool, error, execute, execute, execute, executeCharsToContentHandler, exprAddChild, exprGetChild, exprGetNumChildren, exprGetParent, exprSetParent, getColumnNumber, getExpressionOwner, getLineNumber, getPublicId, getSystemId, isNodesetExpr, isSameClass, isStableNumber, num, warn, xstr
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Field Detail

XSLT_PROPERTIES

static String XSLT_PROPERTIES
The path/filename of the property file: XSLTInfo.properties Maintenance note: see also org.apache.xalan.processor.TransformerFactoryImpl.XSLT_PROPERTIES


NO_CLASSES

private static final Class[] NO_CLASSES
a zero length Class array used in loadPropertyFile()


NO_OBJS

private static final Object[] NO_OBJS
a zero length Object array used in loadPropertyFile()

Constructor Detail

FuncSystemProperty

public FuncSystemProperty()
Method Detail

execute

public XObject execute(XPathContext xctxt)
                throws javax.xml.transform.TransformerException
Execute the function. The function must return a valid object.

Overrides:
execute in class Function
Parameters:
xctxt - The current execution context.
Returns:
A valid XObject.
Throws:
javax.xml.transform.TransformerException

loadPropertyFile

public void loadPropertyFile(String file,
                             Properties target)
Retrieve a propery bundle from a specified file

Parameters:
file - The string name of the property file. The name should already be fully qualified as path/filename
target - The target property bag the file will be placed into.