com.myjavatools.xml
Class BasicXmlData.Expression

java.lang.Object
  com.myjavatools.xml.BasicXmlData.Expression

All Implemented Interfaces:

XmlData.Condition

Enclosing class:

BasicXmlData

public abstract static class BasicXmlData.Expression
extends java.lang.Object
implements XmlData.Condition

An abstract class that stores an expression used in XmlData search/filtering.

Constructor Summary

BasicXmlData.Expression()

Method Summary

static BasicXmlData.Expression	parse(java.lang.String source) Parses a string containing search/selection condition.
abstract boolean	satisfies(XmlData entity) Checks whether XmlData satisfies a condition.

Methods inherited from class java.lang.Object

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

Constructor Detail

BasicXmlData.Expression

public BasicXmlData.Expression()

Method Detail

parse

public static BasicXmlData.Expression parse(java.lang.String source)
                                     throws java.lang.InstantiationException

Parses a string containing search/selection condition.

A condition consist of disjunctions of conjunctions of comparisons. Comparisons compare a node's type, value or attribute value to a string constant.

Parameters:

source - the expression to be parsed

Returns:

the internal (tree) representation of expression

Throws:

java.lang.InstantiationException

satisfies

public abstract boolean satisfies(XmlData entity)

Description copied from interface: XmlData.Condition

Checks whether XmlData satisfies a condition.

Specified by:

satisfies in interface XmlData.Condition

Parameters:

entity - the data to check

Returns:

true if yes, it satisfies