Java tutorial
/* * Copyright 2002-2011 the original author or authors. * * 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.springframework.data.document.mongodb.monitor; import com.mongodb.CommandResult; import com.mongodb.DB; import com.mongodb.Mongo; import com.mongodb.MongoException; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; import org.springframework.data.document.mongodb.MongoDbUtils; /** * Base class to encapsulate common configuration settings when connecting to a database * * @author Mark Pollack */ public abstract class AbstractMonitor { private final Log logger = LogFactory.getLog(getClass()); protected Mongo mongo; private String username; private String password; /** * Sets the username to use to connect to the Mongo database * * @param username The username to use */ public void setUsername(String username) { this.username = username; } /** * Sets the password to use to authenticate with the Mongo database. * * @param password The password to use */ public void setPassword(String password) { this.password = password; } public CommandResult getServerStatus() { CommandResult result = getDb("admin").command("serverStatus"); if (!result.ok()) { logger.error("Could not query for server status. Command Result = " + result); throw new MongoException("could not query for server status. Command Result = " + result); } return result; } public DB getDb(String databaseName) { return MongoDbUtils.getDB(mongo, databaseName, username, password == null ? null : password.toCharArray()); } }