Merge pull request joeferner#315 from Team2Oy/master

Update Lucene example to use lucene-6.0.0

examples/lucene/example.js

@@ -1,14 +1,16 @@
 #!/usr/bin/env node
 
 var java = require("../../");
-java.classpath.push("lucene-core-3.5.0.jar");
+java.classpath.push("lucene-core-6.0.0.jar");
+java.classpath.push("lucene-analyzers-common-6.0.0.jar");
+java.classpath.push("lucene-queryparser-6.0.0.jar");
+
 
 var idx = java.newInstanceSync("org.apache.lucene.store.RAMDirectory");
-var version = java.getStaticFieldValue("org.apache.lucene.util.Version", "LUCENE_30");
-var analyzer = java.newInstanceSync("org.apache.lucene.analysis.standard.StandardAnalyzer", version);
-var writerConfig = java.newInstanceSync("org.apache.lucene.index.IndexWriterConfig", version, analyzer);
+var analyzer = java.newInstanceSync("org.apache.lucene.analysis.standard.StandardAnalyzer");
+var writerConfig = java.newInstanceSync("org.apache.lucene.index.IndexWriterConfig", analyzer);
 var writer = java.newInstanceSync("org.apache.lucene.index.IndexWriter", idx, writerConfig);
-var queryParser = java.newInstanceSync("org.apache.lucene.queryParser.QueryParser", version, "content", analyzer);
+var queryParser = java.newInstanceSync("org.apache.lucene.queryparser.analyzing.AnalyzingQueryParser", "content", analyzer);
 
 writer.addDocumentSync(createDocument("Theodore Roosevelt",
   "It behooves every man to remember that the work of the " +
@@ -30,20 +32,17 @@ writer.addDocumentSync(createDocument("Mohandas Gandhi",
 
 writer.closeSync();
 
-var searcher = java.newInstanceSync("org.apache.lucene.search.IndexSearcher", idx);
+var searcher = java.newInstanceSync("org.apache.lucene.search.IndexSearcher", java.callStaticMethodSync("org.apache.lucene.index.DirectoryReader", "open", idx));
 
 search(searcher, "freedom");
 search(searcher, "free");
 search(searcher, "progress or achievements");
 
-searcher.closeSync();
-
 function createDocument(title, content) {
   var fieldStoreYes = java.callStaticMethodSync("org.apache.lucene.document.Field$Store", "valueOf", "YES");
-  var fieldIndexAnalyzed = java.callStaticMethodSync("org.apache.lucene.document.Field$Index", "valueOf", "ANALYZED");
   var doc = java.newInstanceSync("org.apache.lucene.document.Document");
-  doc.addSync(java.newInstanceSync("org.apache.lucene.document.Field", "title", title, fieldStoreYes, fieldIndexAnalyzed));
-  doc.addSync(java.newInstanceSync("org.apache.lucene.document.Field", "content", content, fieldStoreYes, fieldIndexAnalyzed));
+  doc.addSync(java.newInstanceSync("org.apache.lucene.document.TextField", "title", title, fieldStoreYes));
+  doc.addSync(java.newInstanceSync("org.apache.lucene.document.TextField", "content", content, fieldStoreYes));
   return doc;
 }
 
@@ -53,7 +52,7 @@ function search(searcher, queryString) {
 
   console.log("Found " + topDocs.totalHits + " hits for query \"" + queryString + "\".");
   var scoreDocs = topDocs.scoreDocs;
-  for(var i=0; i<topDocs.totalHits; i++) {
+  for(var i=0; i<topDocs.scoreDocs.length; i++) {
     var docId = scoreDocs[i].doc;
     var doc = searcher.docSync(docId);
     console.log("  " + (i + 1) + ". " + doc.getSync("title"));