com.pnp.xfeature.data
Class SchemaParser

java.lang.Object
  com.pnp.xfeature.data.SchemaParser

All Implemented Interfaces:

org.apache.xerces.dom3.DOMErrorHandler

public class SchemaParser
extends java.lang.Object
implements org.apache.xerces.dom3.DOMErrorHandler

This class represents an XML schema. The schema is loaded through the constructor. The method getElements returns elements which can be added.

Author:

Valerio Bürker, Institut für Automatik ETH Zürich

Constructor Summary

SchemaParser(java.lang.String filename)
Loads an XML schema into memory.

Method Summary

java.util.List	getAttributes(java.lang.String element, java.lang.String parentElement) Returns a List of Strings containing the attributes for an element.
java.util.List	getElements(java.lang.String parentElement, java.util.List children) This method returns a vector of Strings containing the elements that can be added to the XML tree.
java.lang.String	getTargetNamespace() Not implemented yet
boolean	handleError(org.apache.xerces.dom3.DOMError error) Standard error handler.
void	loadModel(java.lang.String filename) This method loads an XML schema into memory.
java.util.Vector	loop(int n, int nmax, int[] counter, java.util.Vector[] temp, java.util.Vector result) no comments
boolean	validate(java.lang.String parentElement, java.util.List children) This method checks a subtree with a parent element and its children.

Methods inherited from class java.lang.Object

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

Constructor Detail

SchemaParser

public SchemaParser(java.lang.String filename)

Loads an XML schema into memory.

Parameters:

filename - Absolute path of XML schema.

Method Detail

loadModel

public void loadModel(java.lang.String filename)

This method loads an XML schema into memory.

Parameters:

filename - Absolute path of the XML schema.

getTargetNamespace

public java.lang.String getTargetNamespace()

Not implemented yet

getElements

public java.util.List getElements(java.lang.String parentElement,
                                  java.util.List children)

This method returns a vector of Strings containing the elements that can be added to the XML tree.

Parameters:

parentElement - Element a child is added to.

children - List of Strings containing the children elements which are already there.

Returns:

List of Strings containing the possible elements to be added.

validate

public boolean validate(java.lang.String parentElement,
                        java.util.List children)

This method checks a subtree with a parent element and its children. The subtree does not have to be complete. This means as long as the existing children conform to the schema, the method returns true.

Parameters:

parentElement - Parent Element of the subtree

children - List of Strings containing the children elements which are already there.

Returns:

boolean value indicating whether the subtree is ok.

loop

public java.util.Vector loop(int n,
                             int nmax,
                             int[] counter,
                             java.util.Vector[] temp,
                             java.util.Vector result)

no comments

getAttributes

public java.util.List getAttributes(java.lang.String element,
                                    java.lang.String parentElement)

Returns a List of Strings containing the attributes for an element.

Parameters:

element - name of element

parentElement - name of parent element

Returns:

List of Strings containing the attributes

handleError

public boolean handleError(org.apache.xerces.dom3.DOMError error)

Standard error handler.

Specified by:

handleError in interface org.apache.xerces.dom3.DOMErrorHandler