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package org.custommonkey.xmlunit.examples;
import org.custommonkey.xmlunit.ElementNameAndTextQualifier;
import org.custommonkey.xmlunit.ElementQualifier;
import org.xmlunit.diff.MultiLevelByNameAndTextSelector;
import org.xmlunit.diff.ElementSelector;
import org.w3c.dom.Element;
/**
* Per popular request an interface implementation that uses element
* names and the text node containes in the n'th child node to compare
* elements.
*
* This means {@link ElementNameAndTextQualifier
* ElementNameQualifier} and MultiLevelElementNameQualifier(1) should
* lead to the same results.
*
* Any attribute values are completely ignored. Only works on
* elements with exactly one child element at each level.
*
* This class mostly exists as an example for custom ElementQualifiers.
*/
public class MultiLevelElementNameAndTextQualifier
implements ElementQualifier {
private final ElementSelector es;
/**
* Uses element names and the text nested levels
* child elements deeper into the element to compare elements.
*
* Does not ignore empty text nodes.
* @param levels level of nesting to use when looking up the text
*/
public MultiLevelElementNameAndTextQualifier(int levels) {
this(levels, false);
}
/**
* Uses element names and the text nested levels
* child elements deeper into the element to compare elements.
*
* @param levels level of nesting to use when looking up the text
* @param ignoreEmptyTexts whether whitespace-only textnodes
* should be ignored.
*/
public MultiLevelElementNameAndTextQualifier(int levels,
boolean ignoreEmptyTexts) {
es = new MultiLevelByNameAndTextSelector(levels, ignoreEmptyTexts);
}
public boolean qualifyForComparison(Element control, Element test) {
return es.canBeCompared(control, test);
}
}