pylucene 3.5.0-3

[pylucene.git] / lucene-java-3.5.0 / lucene / contrib / xml-query-parser / src / java / org / apache / lucene / xmlparser / builders / FilteredQueryBuilder.java

diff --git a/lucene-java-3.5.0/lucene/contrib/xml-query-parser/src/java/org/apache/lucene/xmlparser/builders/FilteredQueryBuilder.java b/lucene-java-3.5.0/lucene/contrib/xml-query-parser/src/java/org/apache/lucene/xmlparser/builders/FilteredQueryBuilder.java
new file mode 100644 (file)
index 0000000..1aebd31
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+++ b/lucene-java-3.5.0/lucene/contrib/xml-query-parser/src/java/org/apache/lucene/xmlparser/builders/FilteredQueryBuilder.java
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+/*
+ * Created on 25-Jan-2006
+ */
+package org.apache.lucene.xmlparser.builders;
+
+import org.apache.lucene.search.Filter;
+import org.apache.lucene.search.FilteredQuery;
+import org.apache.lucene.search.Query;
+import org.apache.lucene.xmlparser.DOMUtils;
+import org.apache.lucene.xmlparser.FilterBuilder;
+import org.apache.lucene.xmlparser.ParserException;
+import org.apache.lucene.xmlparser.QueryBuilder;
+import org.w3c.dom.Element;
+
+/**
+ * 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 FilteredQueryBuilder implements QueryBuilder {
+       
+       private FilterBuilder filterFactory;
+       private QueryBuilder queryFactory;
+
+       public FilteredQueryBuilder(FilterBuilder filterFactory, QueryBuilder queryFactory)
+       {
+               this.filterFactory=filterFactory;
+               this.queryFactory=queryFactory;
+               
+       }
+
+       /* (non-Javadoc)
+        * @see org.apache.lucene.xmlparser.QueryObjectBuilder#process(org.w3c.dom.Element)
+        */
+       public Query getQuery(Element e) throws ParserException {       
+           Element filterElement=DOMUtils.getChildByTagOrFail(e,"Filter");
+           filterElement=DOMUtils.getFirstChildOrFail(filterElement);
+           Filter f=filterFactory.getFilter(filterElement);
+ 
+           Element queryElement=DOMUtils.getChildByTagOrFail(e,"Query");
+           queryElement=DOMUtils.getFirstChildOrFail(queryElement);
+           Query q=queryFactory.getQuery(queryElement);
+           
+           FilteredQuery fq = new FilteredQuery(q,f);
+           fq.setBoost(DOMUtils.getAttribute(e,"boost",1.0f));
+           return fq;          
+       }
+
+}