pylucene 3.5.0-3
[pylucene.git] / lucene-java-3.5.0 / lucene / contrib / xml-query-parser / src / java / org / apache / lucene / xmlparser / builders / SpanNearBuilder.java
diff --git a/lucene-java-3.5.0/lucene/contrib/xml-query-parser/src/java/org/apache/lucene/xmlparser/builders/SpanNearBuilder.java b/lucene-java-3.5.0/lucene/contrib/xml-query-parser/src/java/org/apache/lucene/xmlparser/builders/SpanNearBuilder.java
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+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;
+       }
+
+}