Java tutorial
/* * Copyright (C) 2005 - 2012 Jaspersoft Corporation. All rights reserved. * http://www.jaspersoft.com. * * Unless you have purchased a commercial license agreement from Jaspersoft, * the following license terms apply: * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU Affero General Public License as * published by the Free Software Foundation, either version 3 of the * License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU Affero General Public License for more details. * * You should have received a copy of the GNU Affero General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. */ package com.jaspersoft.mongodb.connection; import java.sql.Array; import java.sql.Blob; import java.sql.CallableStatement; import java.sql.Clob; import java.sql.Connection; import java.sql.DatabaseMetaData; import java.sql.NClob; import java.sql.PreparedStatement; import java.sql.SQLClientInfoException; import java.sql.SQLException; import java.sql.SQLWarning; import java.sql.SQLXML; import java.sql.Savepoint; import java.sql.Statement; import java.sql.Struct; import java.util.Map; import java.util.Properties; import java.util.concurrent.Executor; import net.sf.jasperreports.engine.JRException; import org.apache.log4j.Logger; import com.mongodb.DB; import com.mongodb.Mongo; import com.mongodb.MongoException; import com.mongodb.MongoURI; public class MongoDbConnection implements Connection { private Mongo client; private MongoURI mongoURIObject; private String mongoURI; private String username; private String password; private DB mongoDatabase; private final Logger logger = Logger.getLogger(MongoDbConnection.class); public MongoDbConnection(String mongoURI, String username, String password) throws JRException { create(this.mongoURI = mongoURI); this.username = username; this.password = password; setDatabase(); } private void create(String mongoURI) throws JRException { close(); try { client = new Mongo(mongoURIObject = new MongoURI(mongoURI)); } catch (Exception e) { logger.error(e); throw new JRException(e.getMessage()); } } private void setDatabase() throws JRException { if (client == null) { logger.error("No client"); return; } if (mongoDatabase != null) { return; } mongoDatabase = client.getDB(mongoURIObject.getDatabase()); boolean performaAuthentication = false; try { mongoDatabase.getCollectionNames(); } catch (Exception e) { String message = e.getMessage(); if (e instanceof MongoException) { if (message != null && message.startsWith("unauthorized db")) { performaAuthentication = true; } else { logger.error(e); throw new JRException(message); } } else { logger.error(e); throw new JRException(message); } } if (performaAuthentication) { if (username != null && password != null) { if (!mongoDatabase.authenticate(username, password.toCharArray())) { throw new JRException("Successful connection but wrong authentication"); } } else { throw new JRException("Authentication required but username or password is empty"); } } } public DB getMongoDatabase() { return mongoDatabase; } public String getMongoURI() { return mongoURI; } public String getUsername() { return username; } public String getPassword() { return password; } @Override public void close() { if (client != null) { client.close(); client = null; } mongoURIObject = null; } @Override public boolean isClosed() throws SQLException { if (client != null) { return false; } return true; } public MongoURI getMongoURIObject() { return mongoURIObject; } public Mongo getClient() { return client; } public String test() throws JRException { if (mongoURIObject == null) { throw new JRException("Invalid mongo URL"); } if (mongoDatabase == null) { throw new JRException("No mongo database"); } try { return "Connection test successful.\n" + "Mongo database name: " + mongoDatabase.getName(); } catch (Exception e) { logger.error(e); throw new JRException(e); } } public void getDatabase(String databaseName) { } @Override public <T> T unwrap(Class<T> iface) throws SQLException { return null; } @Override public boolean isWrapperFor(Class<?> iface) throws SQLException { return false; } @Override public Statement createStatement() throws SQLException { return null; } @Override public PreparedStatement prepareStatement(String sql) throws SQLException { return null; } @Override public CallableStatement prepareCall(String sql) throws SQLException { return null; } @Override public String nativeSQL(String sql) throws SQLException { return null; } @Override public void setAutoCommit(boolean autoCommit) throws SQLException { } @Override public boolean getAutoCommit() throws SQLException { return false; } @Override public void commit() throws SQLException { } @Override public void rollback() throws SQLException { } @Override public DatabaseMetaData getMetaData() throws SQLException { return null; } @Override public void setReadOnly(boolean readOnly) throws SQLException { } @Override public boolean isReadOnly() throws SQLException { return false; } @Override public void setCatalog(String catalog) throws SQLException { } @Override public String getCatalog() throws SQLException { return null; } @Override public void setTransactionIsolation(int level) throws SQLException { } @Override public int getTransactionIsolation() throws SQLException { return 0; } @Override public SQLWarning getWarnings() throws SQLException { return null; } @Override public void clearWarnings() throws SQLException { } @Override public Statement createStatement(int resultSetType, int resultSetConcurrency) throws SQLException { return null; } @Override public PreparedStatement prepareStatement(String sql, int resultSetType, int resultSetConcurrency) throws SQLException { return null; } @Override public CallableStatement prepareCall(String sql, int resultSetType, int resultSetConcurrency) throws SQLException { return null; } @Override public Map<String, Class<?>> getTypeMap() throws SQLException { return null; } @Override public void setTypeMap(Map<String, Class<?>> map) throws SQLException { } @Override public void setHoldability(int holdability) throws SQLException { } @Override public int getHoldability() throws SQLException { return 0; } @Override public Savepoint setSavepoint() throws SQLException { return null; } @Override public Savepoint setSavepoint(String name) throws SQLException { return null; } @Override public void rollback(Savepoint savepoint) throws SQLException { } @Override public void releaseSavepoint(Savepoint savepoint) throws SQLException { } @Override public Statement createStatement(int resultSetType, int resultSetConcurrency, int resultSetHoldability) throws SQLException { return null; } @Override public PreparedStatement prepareStatement(String sql, int resultSetType, int resultSetConcurrency, int resultSetHoldability) throws SQLException { return null; } @Override public CallableStatement prepareCall(String sql, int resultSetType, int resultSetConcurrency, int resultSetHoldability) throws SQLException { return null; } @Override public PreparedStatement prepareStatement(String sql, int autoGeneratedKeys) throws SQLException { return null; } @Override public PreparedStatement prepareStatement(String sql, int[] columnIndexes) throws SQLException { return null; } @Override public PreparedStatement prepareStatement(String sql, String[] columnNames) throws SQLException { return null; } @Override public Clob createClob() throws SQLException { return null; } @Override public Blob createBlob() throws SQLException { return null; } @Override public NClob createNClob() throws SQLException { return null; } @Override public SQLXML createSQLXML() throws SQLException { return null; } @Override public boolean isValid(int timeout) throws SQLException { return false; } @Override public void setClientInfo(String name, String value) throws SQLClientInfoException { } @Override public void setClientInfo(Properties properties) throws SQLClientInfoException { } @Override public String getClientInfo(String name) throws SQLException { return null; } @Override public Properties getClientInfo() throws SQLException { return null; } @Override public Array createArrayOf(String typeName, Object[] elements) throws SQLException { return null; } @Override public Struct createStruct(String typeName, Object[] attributes) throws SQLException { return null; } @Override public void abort(Executor arg0) throws SQLException { // TODO Auto-generated method stub } @Override public int getNetworkTimeout() throws SQLException { // TODO Auto-generated method stub return 0; } @Override public String getSchema() throws SQLException { // TODO Auto-generated method stub return null; } @Override public void setNetworkTimeout(Executor arg0, int arg1) throws SQLException { // TODO Auto-generated method stub } @Override public void setSchema(String arg0) throws SQLException { // TODO Auto-generated method stub } }