uoa-validator-engine2/src/main/java/eu/dnetlib/validator2/engine/builtins/XMLFieldExistsRule.java

65 lines
2.0 KiB
Java

package eu.dnetlib.validator2.engine.builtins;
import eu.dnetlib.validator2.engine.Helper;
import eu.dnetlib.validator2.engine.Rule;
import eu.dnetlib.validator2.engine.RuleEvaluationException;
import eu.dnetlib.validator2.engine.contexts.XMLContext;
import org.w3c.dom.Document;
import org.w3c.dom.NodeList;
import java.util.Map;
public class XMLFieldExistsRule extends XMLRule<XMLContext> {
protected XMLFieldExistsRule(XMLContext context) {
super(context, (NodeList nodes) -> {
/*
TODO
- if (nodes.getLength() == 0) return false;
- Is in original implementation, but results in incorrect evaluation if traversal=0
*/
return context.getNodeListActionProperty().test(nodes, (String v) -> !Helper.isEmpty(v));
});
}
public static Builder builder() {
return new Builder();
}
public static class Builder extends AbstractRuleBuilder<XMLFieldExistsRule, XMLContext> {
private Builder() {
super(new StandardXMLContext()); //the actual implementation is known by the builder only
}
public Builder setId(String id) throws IllegalArgumentException {
context.getIdProperty().setValue(id);
return this;
}
public Builder setXPathExpression(String xpath) throws IllegalArgumentException {
context.getXPathExpressionProperty().setValue(xpath);
return this;
}
public Builder setNodeListAction(String nodeListAction) throws RuntimeException {
context.getNodeListActionProperty().setValue(nodeListAction);
return this;
}
@Override
public XMLFieldExistsRule build() {
ensureContextIsValid();
return new XMLFieldExistsRule(context);
}
@Override
public XMLFieldExistsRule buildFrom(Map<String, String> map) {
context.readFrom(map);
ensureContextIsValid();
return new XMLFieldExistsRule(context);
}
}
}