--- /dev/null
+package org.apache.lucene.xmlparser;
+
+import java.io.IOException;
+import java.util.Locale;
+import java.util.Properties;
+import java.util.StringTokenizer;
+
+import javax.xml.parsers.ParserConfigurationException;
+import javax.xml.transform.TransformerException;
+
+import org.apache.lucene.analysis.Analyzer;
+import org.apache.lucene.analysis.standard.StandardAnalyzer;
+import org.apache.lucene.document.Field;
+import org.apache.lucene.index.IndexWriter;
+import org.apache.lucene.search.IndexSearcher;
+import org.apache.lucene.search.Query;
+import org.apache.lucene.store.Directory;
+import org.apache.lucene.util.Constants;
+import org.apache.lucene.util.LuceneTestCase;
+
+import org.w3c.dom.Document;
+import org.xml.sax.SAXException;
+
+/**
+ * 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.
+ */
+/**
+ * This class illustrates how form input (such as from a web page or Swing gui) can be
+ * turned into Lucene queries using a choice of XSL templates for different styles of queries.
+ */
+public class TestQueryTemplateManager extends LuceneTestCase {
+
+ CoreParser builder;
+ Analyzer analyzer=new StandardAnalyzer(TEST_VERSION_CURRENT);
+ private IndexSearcher searcher;
+ private Directory dir;
+
+ //A collection of documents' field values for use in our tests
+ String docFieldValues []=
+ {
+ "artist=Jeff Buckley \talbum=Grace \treleaseDate=1999 \tgenre=rock",
+ "artist=Fugazi \talbum=Repeater \treleaseDate=1990 \tgenre=alternative",
+ "artist=Fugazi \talbum=Red Medicine \treleaseDate=1995 \tgenre=alternative",
+ "artist=Peeping Tom \talbum=Peeping Tom \treleaseDate=2006 \tgenre=rock",
+ "artist=Red Snapper \talbum=Prince Blimey \treleaseDate=1996 \tgenre=electronic"
+ };
+
+ //A collection of example queries, consisting of name/value pairs representing form content plus
+ // a choice of query style template to use in the test, with expected number of hits
+ String queryForms[]=
+ {
+ "artist=Fugazi \texpectedMatches=2 \ttemplate=albumBooleanQuery",
+ "artist=Fugazi \treleaseDate=1990 \texpectedMatches=1 \ttemplate=albumBooleanQuery",
+ "artist=Buckley \tgenre=rock \texpectedMatches=1 \ttemplate=albumFilteredQuery",
+ "artist=Buckley \tgenre=electronic \texpectedMatches=0 \ttemplate=albumFilteredQuery",
+ "queryString=artist:buckly~ NOT genre:electronic \texpectedMatches=1 \ttemplate=albumLuceneClassicQuery"
+ };
+
+
+ public void testFormTransforms() throws SAXException, IOException, ParserConfigurationException, TransformerException, ParserException
+ {
+ // Sun 1.5 suffers from http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6240963
+ if (Constants.JAVA_VENDOR.startsWith("Sun") && Constants.JAVA_VERSION.startsWith("1.5")) {
+ String defLang = Locale.getDefault().getLanguage();
+ assumeFalse("Sun JRE 1.5 suffers from http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6240963 under Turkish locale", defLang.equals("tr") || defLang.equals("az"));
+ }
+ //Cache all the query templates we will be referring to.
+ QueryTemplateManager qtm=new QueryTemplateManager();
+ qtm.addQueryTemplate("albumBooleanQuery", getClass().getResourceAsStream("albumBooleanQuery.xsl"));
+ qtm.addQueryTemplate("albumFilteredQuery", getClass().getResourceAsStream("albumFilteredQuery.xsl"));
+ qtm.addQueryTemplate("albumLuceneClassicQuery", getClass().getResourceAsStream("albumLuceneClassicQuery.xsl"));
+ //Run all of our test queries
+ for (int i = 0; i < queryForms.length; i++)
+ {
+ Properties queryFormProperties=getPropsFromString(queryForms[i]);
+
+ //Get the required query XSL template for this test
+// Templates template=getTemplate(queryFormProperties.getProperty("template"));
+
+ //Transform the queryFormProperties into a Lucene XML query
+ Document doc=qtm.getQueryAsDOM(queryFormProperties,queryFormProperties.getProperty("template"));
+
+ //Parse the XML query using the XML parser
+ Query q=builder.getQuery(doc.getDocumentElement());
+
+ //Run the query
+ int h=searcher.search(q, null, 1000).totalHits;
+
+ //Check we have the expected number of results
+ int expectedHits=Integer.parseInt(queryFormProperties.getProperty("expectedMatches"));
+ assertEquals("Number of results should match for query "+queryForms[i],expectedHits,h);
+
+ }
+ }
+
+ //Helper method to construct Lucene query forms used in our test
+ Properties getPropsFromString(String nameValuePairs)
+ {
+ Properties result=new Properties();
+ StringTokenizer st=new StringTokenizer(nameValuePairs,"\t=");
+ while(st.hasMoreTokens())
+ {
+ String name=st.nextToken().trim();
+ if(st.hasMoreTokens())
+ {
+ String value=st.nextToken().trim();
+ result.setProperty(name,value);
+ }
+ }
+ return result;
+ }
+
+ //Helper method to construct Lucene documents used in our tests
+ org.apache.lucene.document.Document getDocumentFromString(String nameValuePairs)
+ {
+ org.apache.lucene.document.Document result=new org.apache.lucene.document.Document();
+ StringTokenizer st=new StringTokenizer(nameValuePairs,"\t=");
+ while(st.hasMoreTokens())
+ {
+ String name=st.nextToken().trim();
+ if(st.hasMoreTokens())
+ {
+ String value=st.nextToken().trim();
+ result.add(newField(name,value,Field.Store.YES,Field.Index.ANALYZED));
+ }
+ }
+ return result;
+ }
+
+ /*
+ * @see TestCase#setUp()
+ */
+ @Override
+ public void setUp() throws Exception {
+ super.setUp();
+
+
+ //Create an index
+ dir=newDirectory();
+ IndexWriter w=new IndexWriter(dir, newIndexWriterConfig(TEST_VERSION_CURRENT, analyzer));
+ for (int i = 0; i < docFieldValues.length; i++)
+ {
+ w.addDocument(getDocumentFromString(docFieldValues[i]));
+ }
+ w.optimize();
+ w.close();
+ searcher=new IndexSearcher(dir, true);
+
+ //initialize the parser
+ builder=new CorePlusExtensionsParser("artist", analyzer);
+
+ }
+
+
+ @Override
+ public void tearDown() throws Exception {
+ searcher.close();
+ dir.close();
+ super.tearDown();
+ }
+}
fnp / pylucene.git / blobdiff