com.jaeksoft.searchlib.crawler.file.process.ItemDirectoryIterator Maven / Gradle / Ivy

Go to download
/**   
 * License Agreement for OpenSearchServer
 *
 * Copyright (C) 2010 Emmanuel Keller / Jaeksoft
 * 
 * http://www.open-search-server.com
 * 
 * This file is part of OpenSearchServer.
 *
 * OpenSearchServer is free software: you can redistribute it and/or
 * modify it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 *  (at your option) any later version.
 *
 * OpenSearchServer is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with OpenSearchServer. 
 *  If not, see .
 **/

package com.jaeksoft.searchlib.crawler.file.process;

import java.io.UnsupportedEncodingException;
import java.net.URISyntaxException;

import com.jaeksoft.searchlib.SearchLibException;

public class ItemDirectoryIterator extends ItemIterator {

	private FileInstanceAbstract[] files;

	private int currentPos;

	private boolean withSubDir;

	private FileInstanceAbstract fileInstance;

	protected ItemDirectoryIterator(ItemIterator parent,
			FileInstanceAbstract fileInstance, boolean withSubDir)
			throws URISyntaxException, SearchLibException,
			UnsupportedEncodingException {
		super(parent);
		currentPos = 0;
		this.withSubDir = withSubDir;
		this.fileInstance = fileInstance;
		if (withSubDir)
			files = fileInstance.listFilesAndDirectories();
		else
			files = fileInstance.listFilesOnly();
	}

	public FileInstanceAbstract[] getFiles() {
		return files;
	}

	@Override
	protected FileInstanceAbstract getFileInstanceImpl() {
		return fileInstance;
	}

	@Override
	protected ItemIterator nextImpl() throws URISyntaxException,
			SearchLibException, UnsupportedEncodingException {
		if (files == null)
			return null;
		if (currentPos >= files.length)
			return null;
		FileInstanceAbstract fileInstance = files[currentPos++];
		return ItemIterator.create(this, fileInstance, withSubDir);
	}

}