Lucene search Example

Creating Index Files;

Document document = new Document();
document.add(Field.Text("author", author));
document.add(Field.Text("title", title));
document.add(Field.Text("topic", topic));
document.add(Field.UnIndexed("url", url));
document.add(Field.Keyword("date", dateWritten));
document.add(Field.UnStored("article", article));
return document;

Analyzer analyzer = new StandardAnalyzer();
IndexWriter writer = new IndexWriter(indexDirectory, analyzer, false);
writer.addDocument(document);
writer.optimize();
writer.close();


Searching string :

String searchCriteria="some artical name";
IndexSearcher is = new IndexSearcher(indexDirectory);
Analyzer analyzer = new StandardAnalyzer();
QueryParser parser = new QueryParser("article", analyzer);
Query query = parser.parse(searchCriteria);
Hits hits = is.search(query);


for (int i=0; i < hits.length(); i++ )
{
Document doc = hits.doc(i);
// display the articles that were found to the user
}
is.close();


for more information you can find Here