X-Git-Url: https://git.mdrn.pl/pylucene.git/blobdiff_plain/a2e61f0c04805cfcb8706176758d1283c7e3a55c..aaeed5504b982cf3545252ab528713250aa33eed:/lucene-java-3.5.0/lucene/contrib/xml-query-parser/src/java/org/apache/lucene/xmlparser/builders/SpanOrTermsBuilder.java diff --git a/lucene-java-3.5.0/lucene/contrib/xml-query-parser/src/java/org/apache/lucene/xmlparser/builders/SpanOrTermsBuilder.java b/lucene-java-3.5.0/lucene/contrib/xml-query-parser/src/java/org/apache/lucene/xmlparser/builders/SpanOrTermsBuilder.java new file mode 100644 index 0000000..cd13b45 --- /dev/null +++ b/lucene-java-3.5.0/lucene/contrib/xml-query-parser/src/java/org/apache/lucene/xmlparser/builders/SpanOrTermsBuilder.java @@ -0,0 +1,78 @@ +package org.apache.lucene.xmlparser.builders; + +import java.io.IOException; +import java.io.StringReader; +import java.util.ArrayList; + +import org.apache.lucene.analysis.Analyzer; +import org.apache.lucene.analysis.TokenStream; +import org.apache.lucene.analysis.tokenattributes.CharTermAttribute; +import org.apache.lucene.index.Term; +import org.apache.lucene.search.spans.SpanOrQuery; +import org.apache.lucene.search.spans.SpanQuery; +import org.apache.lucene.search.spans.SpanTermQuery; +import org.apache.lucene.xmlparser.DOMUtils; +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 SpanOrTermsBuilder extends SpanBuilderBase +{ + Analyzer analyzer; + + + /** + * @param analyzer + */ + public SpanOrTermsBuilder(Analyzer analyzer) + { + super(); + this.analyzer = analyzer; + } + public SpanQuery getSpanQuery(Element e) throws ParserException + { + String fieldName=DOMUtils.getAttributeWithInheritanceOrFail(e,"fieldName"); + String value=DOMUtils.getNonBlankTextOrFail(e); + + try + { + ArrayList clausesList=new ArrayList(); + TokenStream ts=analyzer.reusableTokenStream(fieldName,new StringReader(value)); + CharTermAttribute termAtt = ts.addAttribute(CharTermAttribute.class); + + ts.reset(); + while (ts.incrementToken()) { + SpanTermQuery stq=new SpanTermQuery(new Term(fieldName, termAtt.toString())); + clausesList.add(stq); + } + ts.end(); + ts.close(); + SpanOrQuery soq=new SpanOrQuery(clausesList.toArray(new SpanQuery[clausesList.size()])); + soq.setBoost(DOMUtils.getAttribute(e,"boost",1.0f)); + return soq; + } + catch(IOException ioe) + { + throw new ParserException("IOException parsing value:"+value); + } + } + +}