pylucene 3.5.0-3

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

diff --git a/lucene-java-3.5.0/lucene/contrib/xml-query-parser/src/java/org/apache/lucene/xmlparser/builders/DuplicateFilterBuilder.java b/lucene-java-3.5.0/lucene/contrib/xml-query-parser/src/java/org/apache/lucene/xmlparser/builders/DuplicateFilterBuilder.java
new file mode 100644 (file)
index 0000000..4ca6d8b
--- /dev/null
+++ b/lucene-java-3.5.0/lucene/contrib/xml-query-parser/src/java/org/apache/lucene/xmlparser/builders/DuplicateFilterBuilder.java
@@ -0,0 +1,71 @@
+/*
+ * Created on 25-Jan-2006
+ */
+package org.apache.lucene.xmlparser.builders;
+
+import org.apache.lucene.search.DuplicateFilter;
+import org.apache.lucene.search.Filter;
+import org.apache.lucene.xmlparser.DOMUtils;
+import org.apache.lucene.xmlparser.FilterBuilder;
+import org.apache.lucene.xmlparser.ParserException;
+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 DuplicateFilterBuilder implements FilterBuilder {
+       
+
+       public Filter getFilter(Element e) throws ParserException {
+        String fieldName=DOMUtils.getAttributeWithInheritanceOrFail(e,"fieldName");
+               DuplicateFilter df=new DuplicateFilter(fieldName);
+               String keepMode=DOMUtils.getAttribute(e,"keepMode","first");
+               if(keepMode.equalsIgnoreCase("first"))
+               {
+                       df.setKeepMode(DuplicateFilter.KM_USE_FIRST_OCCURRENCE);
+               }
+               else
+                       if(keepMode.equalsIgnoreCase("last"))
+                       {
+                               df.setKeepMode(DuplicateFilter.KM_USE_LAST_OCCURRENCE);
+                       }
+                       else
+                       {
+                               throw new ParserException("Illegal keepMode attribute in DuplicateFilter:"+keepMode);
+                       }
+               String processingMode=DOMUtils.getAttribute(e,"processingMode","full");
+               if(processingMode.equalsIgnoreCase("full"))
+               {
+                       df.setProcessingMode(DuplicateFilter.PM_FULL_VALIDATION);
+               }
+               else
+                       if(processingMode.equalsIgnoreCase("fast"))
+                       {
+                               df.setProcessingMode(DuplicateFilter.PM_FAST_INVALIDATION);
+                       }
+                       else
+                       {
+                               throw new ParserException("Illegal processingMode attribute in DuplicateFilter:"+processingMode);
+                       }
+                                       
+               return df;
+       }
+
+}