lucene-test

lucen-index-Doc

    static void indexDocs(final IndexWriter writer, Path path) throws IOException
    {
        //Directory?
        if (Files.isDirectory(path))
        {
            //Iterate directory
            Files.walkFileTree(path, new SimpleFileVisitor<Path>()
            {
                @Override
                public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException
                {
                    try
                    {
                        //Index this file
                        indexDoc(writer, file, attrs.lastModifiedTime().toMillis());
                    }
                    catch (IOException ioe)
                    {
                        ioe.printStackTrace();
                    }
                    return FileVisitResult.CONTINUE;
                }
            });
        }
        else
        {
            //Index this file
            indexDoc(writer, path, Files.getLastModifiedTime(path).toMillis());
        }
    }

    private static void indexDoc(IndexWriter writer, Path file, long lastModified) throws IOException
    {
        try (InputStream stream = Files.newInputStream(file))
        {
            //Create lucene Document
            Document doc = new Document();

            doc.add(new StringField("path", file.toString(), Field.Store.YES));
            doc.add(new LongPoint("modified", lastModified));
            doc.add(new TextField("contents", new String(Files.readAllBytes(file)), Field.Store.YES));

            //Updates a document by first deleting the document(s)
            //containing <code>term</code> and then adding the new
            //document.  The delete and then add are atomic as seen
            //by a reader on the same index
            writer.updateDocument(new Term("path", file.toString()), doc);
        }
    }