Java tutorial
/* Copyright 2013 The jeo project. All rights reserved. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package org.jeo.mongo; import static org.jeo.mongo.MongoDB.*; import java.io.IOException; import java.util.LinkedHashMap; import java.util.Map; import org.jeo.util.Key; import org.jeo.util.Password; import com.mongodb.DB; import com.mongodb.Mongo; import com.mongodb.ServerAddress; public class MongoOpts { String db; String host = HOST.getDefault(); Integer port = PORT.getDefault(); String user = USER.getDefault(); Password passwd; public static MongoOpts fromMap(Map<?, Object> map) { MongoOpts mopts = new MongoOpts(DB.get(map)); mopts.host(HOST.get(map)).port(PORT.get(map)).user(USER.get(map)).passwd(PASSWD.get(map)); return mopts; } public MongoOpts(String db) { this.db = db; } public MongoOpts host(String host) { this.host = host; return this; } public MongoOpts port(Integer port) { this.port = port; return this; } public MongoOpts user(String user) { this.user = user; return this; } public MongoOpts passwd(Password passwd) { this.passwd = passwd; return this; } public String getDb() { return db; } public String getHost() { return host; } public Integer getPort() { return port; } public String getUser() { return user; } public Password getPasswd() { return passwd; } public Map<Key<?>, Object> toMap() { Map<Key<?>, Object> map = new LinkedHashMap<Key<?>, Object>(); map.put(DB, db); map.put(HOST, host); map.put(PORT, port); map.put(USER, user); if (passwd != null) { map.put(PASSWD, passwd); } return map; } public DB connect() throws IOException { ServerAddress server = new ServerAddress(host, port); Mongo mongo = new Mongo(server); DB database = mongo.getDB(db); database.authenticate(user, passwd != null ? passwd.get() : new char[] {}); return database; } }