org.deegree_impl.services.wfs.filterencoding
Class AbstractFilter

java.lang.Object
  org.deegree_impl.services.wfs.filterencoding.AbstractFilter

All Implemented Interfaces:

Filter

Direct Known Subclasses:

ComplexFilter, FeatureFilter

public abstract class AbstractFilter

extends java.lang.Object

implements Filter

Abstract superclass representing elements (as defined in the Filter DTD). A element either consists of (one or more) FeatureId-elements or one operation-element. This is reflected in the two implementations FeatureFilter and ComplexFilter.

Version:

06.08.2002

Author:

Markus Schneider

Constructor Summary

AbstractFilter()

Method Summary

static Filter	buildFromDOM(org.w3c.dom.Element element) Given a DOM-fragment, a corresponding Filter-object is built.
abstract java.lang.StringBuffer	toXML() Produces an indented XML representation of this object.

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.deegree.services.wfs.filterencoding.Filter

evaluate

Constructor Detail

AbstractFilter

public AbstractFilter()

Method Detail

buildFromDOM

public static Filter buildFromDOM(org.w3c.dom.Element element)
                           throws FilterConstructionException

Given a DOM-fragment, a corresponding Filter-object is built. This method recursively calls other buildFromDOM () - methods to validate the structure of the DOM-fragment.

Throws:

FilterConstructionException - if the structure of the DOM-fragment is invalid

toXML

public abstract java.lang.StringBuffer toXML()

Produces an indented XML representation of this object.

Specified by:

toXML in interface Filter