List of usage examples for com.mongodb.gridfs GridFS getFileList
public DBCursor getFileList()
From source file:UnitTest3.java
License:Open Source License
public static int testgridfs() { long time1;/*from www.ja v a2s . com*/ long time2; long time3; long time4; try { MongoClient mongo = new MongoClient("localhost", 27017); DB db = mongo.getDB("JFileDB"); // TODO JFileMetaDataTable should be in MetaDB database DBCollection collection = db.getCollection("JFileMetaDataTable"); String newFileName = "com.dilmus.scabi.testdata.in.App.class"; File jFile = new File("/home/anees/workspace/testdata/in/App.class"); // create a JFileTable namespace GridFS gfsj = new GridFS(db, "JFileTable"); // get file from local drive GridFSInputFile gfsFile = gfsj.createFile(jFile); // set a new filename for identify purpose gfsFile.setFilename(newFileName); gfsFile.setContentType("class"); // jar, zip, war // save the image file into mongoDB gfsFile.save(); // Let's create a new JSON document with some "metadata" information BasicDBObject info = new BasicDBObject(); info.put("DBHost", "localhost"); info.put("DBPort", "27017"); info.put("JFileName", newFileName); info.put("JFileID", gfsFile.getId()); info.put("JFileMD5", gfsFile.getMD5()); collection.insert(info, WriteConcern.ACKNOWLEDGED); // print the result DBCursor cursor = gfsj.getFileList(); while (cursor.hasNext()) { System.out.println(cursor.next()); } DBCursor cursor2 = collection.find(); while (cursor2.hasNext()) { System.out.println(cursor2.next()); } // get file by it's filename GridFSDBFile jForOutput = gfsj.findOne(newFileName); // save it into a new image file jForOutput.writeTo("/home/anees/workspace/testdata/out/AppOut.class"); // remove the file from mongoDB // gfsj.remove(gfsj.findOne(newFileName)); System.out.println("Done"); mongo.close(); } catch (UnknownHostException e) { e.printStackTrace(); } catch (MongoException e) { e.printStackTrace(); } catch (IOException e) { e.printStackTrace(); } return 0; }
From source file:calliope.db.MongoConnection.java
License:Open Source License
/** * List all the documents in a Mongo collection * @param collName the name of the collection * @return a String array of document keys * @throws AeseException //from www .j a v a 2 s. co m */ @Override public String[] listCollection(String collName) throws AeseException { if (!collName.equals(Database.CORPIX)) { try { connect(); } catch (Exception e) { throw new AeseException(e); } DBCollection coll = getCollectionFromName(collName); BasicDBObject keys = new BasicDBObject(); keys.put(JSONKeys.DOCID, 1); DBCursor cursor = coll.find(new BasicDBObject(), keys); System.out.println("Found " + cursor.count() + " documents"); cursor.count(); if (cursor.length() > 0) { String[] docs = new String[cursor.length()]; Iterator<DBObject> iter = cursor.iterator(); int i = 0; while (iter.hasNext()) docs[i++] = (String) iter.next().get(JSONKeys.DOCID); return docs; } else { return new String[0]; } } else { GridFS gfs = new GridFS(db, collName); DBCursor curs = gfs.getFileList(); int i = 0; List<DBObject> list = curs.toArray(); HashSet<String> set = new HashSet<String>(); Iterator<DBObject> iter = list.iterator(); while (iter.hasNext()) { String name = (String) iter.next().get("filename"); set.add(name); } String[] docs = new String[set.size()]; set.toArray(docs); return docs; } }
From source file:com.andreig.jetty.GridfsServlet.java
License:GNU General Public License
@Override protected void doGet(HttpServletRequest req, HttpServletResponse res) throws ServletException, IOException { log.fine("doGet()"); if (!can_read(req)) { res.sendError(SC_UNAUTHORIZED);// w w w . j av a 2 s. co m return; } String db_name = req.getParameter("dbname"); String bucket_name = req.getParameter("bucketname"); if (db_name == null || bucket_name == null) { String names[] = req2mongonames(req); if (names != null) { db_name = names[0]; bucket_name = names[1]; } if (db_name == null) { error(res, SC_BAD_REQUEST, Status.get("param name missing")); return; } } if (bucket_name == null) bucket_name = "fs"; DB db = mongo.getDB(db_name); String fs_cache_key = db_name + bucket_name; GridFS fs = fs_cache.get(fs_cache_key); if (fs == null) { fs = new GridFS(db, bucket_name); fs_cache.put(fs_cache_key, fs); } // mongo auth String user = req.getParameter("user"); String passwd = req.getParameter("passwd"); if (user != null && passwd != null && (!db.isAuthenticated())) { boolean auth = db.authenticate(user, passwd.toCharArray()); if (!auth) { res.sendError(SC_UNAUTHORIZED); return; } } String op = req.getParameter("op"); if (op == null) op = "get"; StringBuilder buf = tl.get(); // reset buf buf.setLength(0); // list if ("get".equals(op)) { String file_name = req.getParameter("filename"); if (file_name == null) { error(res, SC_BAD_REQUEST, Status.get("param name missing")); return; } GridFSDBFile db_file = fs.findOne(file_name); if (db_file == null) { error(res, SC_NOT_FOUND, Status.get("file does not exists")); return; } res.setContentLength((int) db_file.getLength()); String ct = db_file.getContentType(); if (ct != null) res.setContentType(ct); OutputStream os = res.getOutputStream(); @SuppressWarnings("unused") long l; while ((l = db_file.writeTo(os)) > 0) ; os.flush(); os.close(); } // list else if ("list".equals(op)) { DBCursor c = fs.getFileList(); if (c == null) { error(res, SC_NOT_FOUND, Status.get("no documents found")); return; } int no = 0; buf.append("["); while (c.hasNext()) { DBObject o = c.next(); JSON.serialize(o, buf); buf.append(","); no++; } if (no > 0) buf.setCharAt(buf.length() - 1, ']'); else buf.append(']'); out_str(req, buf.toString(), "application/json"); } // info else if ("info".equals(op)) { String file_name = req.getParameter("filename"); if (file_name == null) { error(res, SC_BAD_REQUEST, Status.get("param name missing")); return; } GridFSDBFile db_file = fs.findOne(file_name); if (db_file == null) { error(res, SC_NOT_FOUND, Status.get("no documents found")); return; } buf.append("{"); buf.append(String.format("\"ContentType\":%s,", db_file.getContentType())); buf.append(String.format("\"Length\":%d,", db_file.getLength())); buf.append(String.format("\"MD5\":%s", db_file.getMD5())); buf.append("}"); out_str(req, buf.toString(), "application/json"); } else res.sendError(SC_BAD_REQUEST); }
From source file:com.card.loop.xyz.dao.LearningElementDAO.java
public ArrayList<DBObject> listAll(String collection) throws UnknownHostException { ArrayList<DBObject> list = new ArrayList<DBObject>(); Mongo mongo = new Mongo(AppConfig.mongodb_host, AppConfig.mongodb_port); DB db = mongo.getDB(AppConfig.DATABASE_LOOP); GridFS le_gfs = new GridFS(db, collection); DBCursor cursor = le_gfs.getFileList(); System.out.println(le_gfs.getFileList() + ""); while (cursor.hasNext()) { list.add(cursor.next());//from w w w .java 2s.c o m } return list; }
From source file:com.cyslab.craftvm.rest.mongo.GridfsServlet.java
License:GNU General Public License
@Override protected void doGet(HttpServletRequest req, HttpServletResponse res) throws ServletException, IOException { log.trace("doGet()"); if (!can_read(req)) { res.sendError(SC_UNAUTHORIZED);/* w w w . j a va 2s . c o m*/ return; } String db_name = req.getParameter("dbname"); String bucket_name = req.getParameter("bucketname"); if (db_name == null || bucket_name == null) { String names[] = req2mongonames(req); if (names != null) { db_name = names[0]; bucket_name = names[1]; } if (db_name == null) { error(res, SC_BAD_REQUEST, Status.get("param name missing")); return; } } if (bucket_name == null) bucket_name = "fs"; DB db = mongo.getDB(db_name); String fs_cache_key = db_name + bucket_name; GridFS fs = fs_cache.get(fs_cache_key); if (fs == null) { fs = new GridFS(db, bucket_name); fs_cache.put(fs_cache_key, fs); } // mongo auth String user = req.getParameter("user"); String passwd = req.getParameter("passwd"); if (user != null && passwd != null && (!db.isAuthenticated())) { boolean auth = db.authenticate(user, passwd.toCharArray()); if (!auth) { res.sendError(SC_UNAUTHORIZED); return; } } String op = req.getParameter("op"); if (op == null) op = "get"; StringBuilder buf = tl.get(); // reset buf buf.setLength(0); // list if ("get".equals(op)) { String file_name = req.getParameter("filename"); if (file_name == null) { error(res, SC_BAD_REQUEST, Status.get("param name missing")); return; } GridFSDBFile db_file = fs.findOne(file_name); if (db_file == null) { error(res, SC_NOT_FOUND, Status.get("file does not exists")); return; } res.setContentLength((int) db_file.getLength()); String ct = db_file.getContentType(); if (ct != null) res.setContentType(ct); OutputStream os = res.getOutputStream(); long l; while ((l = db_file.writeTo(os)) > 0) ; os.flush(); os.close(); } // list else if ("list".equals(op)) { DBCursor c = fs.getFileList(); if (c == null) { error(res, SC_NOT_FOUND, Status.get("no documents found")); return; } int no = 0; buf.append("["); while (c.hasNext()) { DBObject o = c.next(); JSON.serialize(o, buf); buf.append(","); no++; } if (no > 0) buf.setCharAt(buf.length() - 1, ']'); else buf.append(']'); out_str(req, buf.toString(), "application/json"); } // info else if ("info".equals(op)) { String file_name = req.getParameter("filename"); if (file_name == null) { error(res, SC_BAD_REQUEST, Status.get("param name missing")); return; } GridFSDBFile db_file = fs.findOne(file_name); if (db_file == null) { error(res, SC_NOT_FOUND, Status.get("no documents found")); return; } buf.append("{"); buf.append(String.format("\"ContentType\":%s,", db_file.getContentType())); buf.append(String.format("\"Length\":%d,", db_file.getLength())); buf.append(String.format("\"MD5\":%s", db_file.getMD5())); buf.append("}"); out_str(req, buf.toString(), "application/json"); } else res.sendError(SC_BAD_REQUEST); }
From source file:com.hangum.tadpole.mongodb.core.query.MongoDBQuery.java
License:Open Source License
/** * gridFS/* w ww . j a v a2 s . co m*/ * * @param userDB * @param strBucket * @param strFileName * @param intSkip * @param intLimit * @return * @throws Exception */ public static DBCursor getGridFS(UserDBDAO userDB, String strBucket, String strFileName, int intSkip, int intLimit) throws Exception { DB mongoDb = findDB(userDB); GridFS gridFs = null; if ("".equals(strBucket)) gridFs = new GridFS(mongoDb); else gridFs = new GridFS(mongoDb, strBucket); if ("".equals(strFileName)) { return gridFs.getFileList().skip(intSkip).limit(intLimit); } else { DBObject queryObj = new BasicDBObject(); Pattern regex = Pattern.compile(".*" + strFileName + "*"); queryObj.put("filename", regex); return gridFs.getFileList(queryObj).skip(intSkip).limit(intLimit); } }
From source file:com.hangum.tadpole.mongodb.core.test.MongoTestGridFS.java
License:Open Source License
private static void allList(DB db) throws Exception { System.out.println("##[all GridFs list] [start]######################"); GridFS gridFs = new GridFS(db); DBCursor dbCursor = gridFs.getFileList(); for (DBObject dbObject : dbCursor) { System.out.println(dbObject); }/* www. j ava2 s. c om*/ System.out.println("##[all GridFs list] [end]######################"); }
From source file:net.kamradtfamily.mongorest.GridfsServlet.java
License:GNU General Public License
@Override protected void doGet(HttpServletRequest req, HttpServletResponse res) throws ServletException, IOException { log.fine("doGet()"); String db_name = req.getParameter("dbname"); String bucket_name = req.getParameter("bucketname"); if (db_name == null || bucket_name == null) { String names[] = req2mongonames(req); if (names != null) { db_name = names[0];// w w w. j a v a2 s . co m bucket_name = names[1]; } if (db_name == null) { error(res, SC_BAD_REQUEST, Status.get("param name missing")); return; } } if (bucket_name == null) bucket_name = "fs"; DB db = mongo.getDB(db_name); String fs_cache_key = db_name + bucket_name; GridFS fs = fs_cache.get(fs_cache_key); if (fs == null) { fs = new GridFS(db, bucket_name); fs_cache.put(fs_cache_key, fs); } // mongo auth String user = req.getParameter("user"); String passwd = req.getParameter("passwd"); if (user != null && passwd != null && (!db.isAuthenticated())) { boolean auth = db.authenticate(user, passwd.toCharArray()); if (!auth) { res.sendError(SC_UNAUTHORIZED); return; } } String op = req.getParameter("op"); if (op == null) op = "get"; StringBuilder buf = tl.get(); // reset buf buf.setLength(0); // list if ("get".equals(op)) { String file_name = req.getParameter("filename"); if (file_name == null) { error(res, SC_BAD_REQUEST, Status.get("param name missing")); return; } GridFSDBFile db_file = fs.findOne(file_name); if (db_file == null) { error(res, SC_NOT_FOUND, Status.get("file does not exists")); return; } res.setContentLength((int) db_file.getLength()); String ct = db_file.getContentType(); if (ct != null) res.setContentType(ct); OutputStream os = res.getOutputStream(); long l; while ((l = db_file.writeTo(os)) > 0) ; os.flush(); os.close(); } // list else if ("list".equals(op)) { DBCursor c = fs.getFileList(); if (c == null) { error(res, SC_NOT_FOUND, Status.get("no documents found")); return; } int no = 0; buf.append("["); while (c.hasNext()) { DBObject o = c.next(); JSON.serialize(o, buf); buf.append(","); no++; } if (no > 0) buf.setCharAt(buf.length() - 1, ']'); else buf.append(']'); out_str(req, buf.toString(), "application/json"); } // info else if ("info".equals(op)) { String file_name = req.getParameter("filename"); if (file_name == null) { error(res, SC_BAD_REQUEST, Status.get("param name missing")); return; } GridFSDBFile db_file = fs.findOne(file_name); if (db_file == null) { error(res, SC_NOT_FOUND, Status.get("no documents found")); return; } buf.append("{"); buf.append(String.format("\"ContentType\":%s,", db_file.getContentType())); buf.append(String.format("\"Length\":%d,", db_file.getLength())); buf.append(String.format("\"MD5\":%s", db_file.getMD5())); buf.append("}"); out_str(req, buf.toString(), "application/json"); } else res.sendError(SC_BAD_REQUEST); }
From source file:org.bananaforscale.cormac.dao.gridfs.GridFsDataServiceImpl.java
License:Apache License
/** * Returns all the files in a bucket./*www . ja va 2 s.co m*/ * * @param databaseName the database * @param bucketName the bucket * @return the files in the bucket * @throws DatasourceException * @throws NotFoundException */ @Override public List<String> getAll(String databaseName, String bucketName) throws DatasourceException, NotFoundException { try { if (!databaseExists(databaseName)) { throw new NotFoundException("The database doesn't exist in the datasource"); } if (!bucketExists(databaseName, bucketName)) { throw new NotFoundException("The bucket doesn't exist in the database"); } DB mongoDatabase = mongoClient.getDB(databaseName); GridFS gfsBucket = new GridFS(mongoDatabase, bucketName); DBCursor cursor = gfsBucket.getFileList(); Iterator<DBObject> curIter = cursor.iterator(); List<String> fileList = new ArrayList<>(); while (curIter.hasNext()) { DBObject current = curIter.next(); fileList.add(JSON.serialize(current)); } return fileList; } catch (MongoException ex) { logger.error("An error occured while retrieving file list", ex); throw new DatasourceException("An error occured while retrieving file list"); } }
From source file:org.bananaforscale.cormac.dao.gridfs.GridFsDataServiceImpl.java
License:Apache License
/** * Removes all files in a bucket./*from www .ja v a 2 s .c o m*/ * * @param databaseName the database * @param bucketName the bucket * @return a status message with the outcome of the operation * @throws DatasourceException * @throws NotFoundException */ @Override public boolean removeAll(String databaseName, String bucketName) throws DatasourceException, NotFoundException { try { if (!databaseExists(databaseName)) { throw new NotFoundException("The database doesn't exist in the datasource"); } DB mongoDatabase = mongoClient.getDB(databaseName); GridFS gfsBucket = new GridFS(mongoDatabase, bucketName); // TODO: determine behavior if bucket doesnt exist DBCursor cursor = gfsBucket.getFileList(); Iterator<DBObject> curIter = cursor.iterator(); while (curIter.hasNext()) { DBObject current = curIter.next(); gfsBucket.remove(current); } return true; } catch (MongoException ex) { logger.error("An error occured while removing files", ex); throw new DatasourceException("An error occured while removing files"); } }