Java tutorial
/******************************************************************************* * Copyright (c) 2014 IBM Corporation and Others * All rights reserved. This program and the accompanying materials * are made available under the terms of the Eclipse Public License v1.0 * which accompanies this distribution, and is available at * http://www.eclipse.org/legal/epl-v10.html * * Contributors: * IBM Corporation - initial API and implementation *******************************************************************************/ package cfel.test; import java.io.File; import java.io.FileFilter; import java.io.FileInputStream; import java.io.IOException; import com.mongodb.DB; import com.mongodb.DBObject; import com.mongodb.MongoClient; import com.mongodb.gridfs.GridFS; import com.mongodb.gridfs.GridFSInputFile; public class InitAlbum { private static DB db = null; private static GridFS fs = null; private static final File IMAGE_DIR = new File("/xampp/htdocs/album/img"); private static final String IMAGE_DIR_PATH = IMAGE_DIR.toURI().getPath(); /** * @param args */ public static void main(String[] args) { try { MongoClient mongoClient = new MongoClient("localhost", 27017); db = mongoClient.getDB("albumdb"); fs = new GridFS(db); fs.remove((DBObject) null); } catch (Exception e) { e.printStackTrace(); return; } System.out.println(IMAGE_DIR_PATH); addImages(IMAGE_DIR); } private static void addImages(File dir) { dir.listFiles(new FileFilter() { @Override public boolean accept(File file) { if (file.isDirectory()) { addImages(file); } else { String fileName = file.getName().toLowerCase(); if (fileName.endsWith(".jpg") || fileName.endsWith(".png")) { String path = "img/" + file.toURI().getPath().substring(IMAGE_DIR_PATH.length()); System.out.println(path); try { GridFSInputFile gfFile = fs.createFile(new FileInputStream(file), path, true); gfFile.save(); } catch (IOException e) { e.printStackTrace(); } } } return false; } }); } }