Java tutorial
package com.so.smorphia; import org.springframework.beans.factory.config.AbstractFactoryBean; import org.springframework.util.StringUtils; import com.google.code.morphia.Datastore; import com.google.code.morphia.Morphia; import com.mongodb.Mongo; /** * Copyright (C) 2010 SarathOnline.com. * * 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. */ public class DataStoreFactoryBean extends AbstractFactoryBean<Datastore> { private Morphia morphia; private Mongo mongo; private String dbName; private String user; private String password; @Override public Class<?> getObjectType() { return Datastore.class; } @Override protected Datastore createInstance() throws Exception { if (StringUtils.hasText(user)) { return morphia.createDatastore(mongo, dbName, user, password.toCharArray()); } return morphia.createDatastore(mongo, dbName); } @Override public void afterPropertiesSet() throws Exception { super.afterPropertiesSet(); if (mongo == null) { throw new IllegalStateException("mongo is not set"); } if (morphia == null) { throw new IllegalStateException("morphia is not set"); } } public void setMorphia(Morphia morphia) { this.morphia = morphia; } public void setMongo(Mongo mongo) { this.mongo = mongo; } public void setDbName(String dbName) { this.dbName = dbName; } public void setUser(String user) { this.user = user; } public void setPassword(String password) { this.password = password; } }