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Viewing changes to lucene/contrib/xml-query-parser/src/java/org/apache/lucene/xmlparser/builders/DuplicateFilterBuilder.java

  • Committer: Sebastian Meyer
  • Date: 2012-08-03 09:12:40 UTC
  • Revision ID: sebastian.meyer@slub-dresden.de-20120803091240-x6861b0vabq1xror
https://launchpad.net/bugs/985487
Remove Lucene and Solr source code and add patches instead
Fix Bug #985487: Auto-suggestion for the search interface

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lucene/contrib/xml-query-parser/src/java/org/apache/lucene/xmlparser/builders/DuplicateFilterBuilder.java
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/*
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 * Created on 25-Jan-2006
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 */
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package org.apache.lucene.xmlparser.builders;
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import org.apache.lucene.search.DuplicateFilter;
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import org.apache.lucene.search.Filter;
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import org.apache.lucene.xmlparser.DOMUtils;
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import org.apache.lucene.xmlparser.FilterBuilder;
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import org.apache.lucene.xmlparser.ParserException;
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import org.w3c.dom.Element;
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/**
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 * Licensed to the Apache Software Foundation (ASF) under one or more
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 * contributor license agreements.  See the NOTICE file distributed with
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 * this work for additional information regarding copyright ownership.
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 * The ASF licenses this file to You under the Apache License, Version 2.0
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 * (the "License"); you may not use this file except in compliance with
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 * the License.  You may obtain a copy of the License at
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 *
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 *     http://www.apache.org/licenses/LICENSE-2.0
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 *
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 * Unless required by applicable law or agreed to in writing, software
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 * distributed under the License is distributed on an "AS IS" BASIS,
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 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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 * See the License for the specific language governing permissions and
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 * limitations under the License.
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 */
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/**
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 * 
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 */
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public class DuplicateFilterBuilder implements FilterBuilder {
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        public Filter getFilter(Element e) throws ParserException {
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        String fieldName=DOMUtils.getAttributeWithInheritanceOrFail(e,"fieldName");
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                DuplicateFilter df=new DuplicateFilter(fieldName);
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                String keepMode=DOMUtils.getAttribute(e,"keepMode","first");
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                if(keepMode.equalsIgnoreCase("first"))
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                {
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                        df.setKeepMode(DuplicateFilter.KM_USE_FIRST_OCCURRENCE);
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                }
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                else
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                        if(keepMode.equalsIgnoreCase("last"))
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                        {
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                                df.setKeepMode(DuplicateFilter.KM_USE_LAST_OCCURRENCE);
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                        }
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                        else
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                        {
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                                throw new ParserException("Illegal keepMode attribute in DuplicateFilter:"+keepMode);
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                        }
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                String processingMode=DOMUtils.getAttribute(e,"processingMode","full");
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                if(processingMode.equalsIgnoreCase("full"))
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                {
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                        df.setProcessingMode(DuplicateFilter.PM_FULL_VALIDATION);
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                }
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                else
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                        if(processingMode.equalsIgnoreCase("fast"))
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                        {
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                                df.setProcessingMode(DuplicateFilter.PM_FAST_INVALIDATION);
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                        }
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                        else
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                        {
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                                throw new ParserException("Illegal processingMode attribute in DuplicateFilter:"+processingMode);
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                        }
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                return df;
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        }
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}