package org.apache.lucene.xmlparser.builders;
import java.util.ArrayList;
import org.apache.lucene.search.spans.SpanNearQuery;
import org.apache.lucene.search.spans.SpanQuery;
import org.apache.lucene.xmlparser.DOMUtils;
import org.apache.lucene.xmlparser.ParserException;
import org.w3c.dom.Element;
import org.w3c.dom.Node;
/**
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/**
*
*/
public class SpanNearBuilder extends SpanBuilderBase
{
SpanQueryBuilder factory;
public SpanNearBuilder(SpanQueryBuilder factory)
{
this.factory=factory;
}
public SpanQuery getSpanQuery(Element e) throws ParserException
{
String slopString=DOMUtils.getAttributeOrFail(e,"slop");
int slop=Integer.parseInt(slopString);
boolean inOrder=DOMUtils.getAttribute(e,"inOrder",false);
ArrayList<SpanQuery> spans=new ArrayList<SpanQuery>();
for (Node kid = e.getFirstChild(); kid != null; kid = kid.getNextSibling())
{
if (kid.getNodeType() == Node.ELEMENT_NODE)
{
spans.add(factory.getSpanQuery((Element) kid));
}
}
SpanQuery[] spanQueries= spans.toArray(new SpanQuery[spans.size()]);
SpanNearQuery snq=new SpanNearQuery(spanQueries,slop,inOrder);
return snq;
}
}