diff options
author | jsdelfino <jsdelfino@13f79535-47bb-0310-9956-ffa450edef68> | 2008-09-15 06:50:04 +0000 |
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committer | jsdelfino <jsdelfino@13f79535-47bb-0310-9956-ffa450edef68> | 2008-09-15 06:50:04 +0000 |
commit | 147ed48e86bb4a13e42df35f1d1d800a7b564f4b (patch) | |
tree | 2412db1dcc7b46a214d2b7b46d21349ac08aa9b8 /branches/sca-android/modules/implementation-data-xml/src/main/java/org/apache/tuscany/sca/implementation/data/jdbc/JDBCHelper.java | |
parent | 512771c8a42d2cde253f6df55ef552f7a0b4f792 (diff) |
Removed more modules as in Oscar's TUSCANY-2440 reduced-set patch. Also removed newer modules added since r643746 and are not required to run the minimum set that we are porting to android. Set svn ignore properties to ignore Manifest files produced by the build.
git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@695356 13f79535-47bb-0310-9956-ffa450edef68
Diffstat (limited to 'branches/sca-android/modules/implementation-data-xml/src/main/java/org/apache/tuscany/sca/implementation/data/jdbc/JDBCHelper.java')
-rw-r--r-- | branches/sca-android/modules/implementation-data-xml/src/main/java/org/apache/tuscany/sca/implementation/data/jdbc/JDBCHelper.java | 215 |
1 files changed, 0 insertions, 215 deletions
diff --git a/branches/sca-android/modules/implementation-data-xml/src/main/java/org/apache/tuscany/sca/implementation/data/jdbc/JDBCHelper.java b/branches/sca-android/modules/implementation-data-xml/src/main/java/org/apache/tuscany/sca/implementation/data/jdbc/JDBCHelper.java deleted file mode 100644 index 265f250717..0000000000 --- a/branches/sca-android/modules/implementation-data-xml/src/main/java/org/apache/tuscany/sca/implementation/data/jdbc/JDBCHelper.java +++ /dev/null @@ -1,215 +0,0 @@ -/* - * Licensed to the Apache Software Foundation (ASF) under one - * or more contributor license agreements. See the NOTICE file - * distributed with this work for additional information - * regarding copyright ownership. The ASF licenses this file - * to you 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.apache.tuscany.sca.implementation.data.jdbc; - -import java.sql.Connection; -import java.sql.DriverManager; -import java.sql.PreparedStatement; -import java.sql.ResultSet; -import java.sql.SQLException; -import java.util.Properties; - -import javax.naming.InitialContext; -import javax.naming.NamingException; -import javax.sql.DataSource; - -import org.apache.tuscany.das.rdb.exception.DataSourceInitializationException; -import org.apache.tuscany.sca.data.engine.config.ConnectionInfo; - -/** - * JDBC Helper - * - JDBC Connection utility methods - * - JDBC Resource cleanup methods - * - * @version $Rev$ $Date$ - */ -public class JDBCHelper { - - /** - * protected constructor - */ - protected JDBCHelper() { - - } - - /** - * - * @param connectionInfo - * @return - */ - public static Connection getConnection(ConnectionInfo connectionInfo) { - if (connectionInfo.getDataSource() == null && connectionInfo.getConnectionProperties() == null) { - throw new IllegalArgumentException("Not enough information to create Database Connection."); - } - - if(connectionInfo.getDataSource() != null && connectionInfo.getConnectionProperties() != null) { - throw new IllegalArgumentException("Use either dataSource or ConnectionProperties. Can't use both !"); - } - - if(connectionInfo.getDataSource() != null) { - return getDataSourceConnection(connectionInfo); - } else { - return getDriverManagerConnection(connectionInfo); - } - } - - /** - * Initializes a DB connection on a managed environment (e.g inside Tomcat) - * - * @param connectionInfo - * @return - */ - private static Connection getDataSourceConnection(ConnectionInfo connectionInfo) { - Connection connection = null; - - InitialContext ctx; - try { - ctx = new InitialContext(); - } catch (NamingException e) { - throw new RuntimeException(e); - } - try { - DataSource ds = (DataSource) ctx.lookup(connectionInfo.getDataSource()); - try { - connection = ds.getConnection(); - if (connection == null) { - throw new RuntimeException("Could not obtain a Connection from DataSource"); - } - connection.setAutoCommit(false); - } catch (SQLException e) { - throw new RuntimeException(e); - } - } catch (NamingException e) { - throw new RuntimeException(e); - } - - return connection; - } - - /** - * Initialize a DB connection on a J2SE environment - * For more info, see http://java.sun.com/j2se/1.3/docs/guide/jdbc/getstart/drivermanager.html - * - * @param connectionInfo - * @return - */ - private static Connection getDriverManagerConnection(ConnectionInfo connectionInfo) { - Connection connection = null; - - if (connectionInfo.getConnectionProperties() == null) { - throw new RuntimeException("No existing context and no connection properties"); - } - - if (connectionInfo.getConnectionProperties().getDriverClass() == null) { - throw new RuntimeException("No jdbc driver class specified!"); - } - - try { - Properties p = System.getProperties(); - p.put("derby.system.home", "target"); - - //initialize driver and register it with DriverManager - Class.forName(connectionInfo.getConnectionProperties().getDriverClass()); - - //prepare to initialize connection - String databaseUrl = connectionInfo.getConnectionProperties().getDatabaseURL(); - String userName = connectionInfo.getConnectionProperties().getUsername(); - String userPassword = connectionInfo.getConnectionProperties().getPassword(); - int loginTimeout = connectionInfo.getConnectionProperties().getLoginTimeout(); - - DriverManager.setLoginTimeout(loginTimeout); - if( (userName == null || userName.length() ==0) && (userPassword == null || userPassword.length()==0) ){ - //no username or password supplied - connection = DriverManager.getConnection(databaseUrl); - }else{ - connection = DriverManager.getConnection(databaseUrl, userName, userPassword); - } - - if(connection == null){ - throw new DataSourceInitializationException("Error initializing connection : null"); - } - - //FIXME we should make this flexible, we can't autocommit when participating in transactions - connection.setAutoCommit(true); - - }catch(ClassNotFoundException cnf){ - throw new DataSourceInitializationException("JDBC Driver '" + connectionInfo.getConnectionProperties().getDriverClass() + "' not found", cnf); - }catch(SQLException sqle){ - throw new DataSourceInitializationException(sqle.getMessage(), sqle); - } - - return connection; - } - - /** - * Cleanup and close all JDBC resources in the proper order and ignoring erros - * @param connection The connection to be closed - * @param queryStatement The statement to be closed - * @param resultSet The ResultSet to be closed - */ - public static void cleanupResources(Connection connection, PreparedStatement queryStatement, ResultSet resultSet) { - cleanupResultSet(resultSet); - cleanupPreparedStatement(queryStatement); - cleanupConnection(connection); - } - - /** - * Proper cleanup the ResultSet - * @param resultSet - */ - private static void cleanupResultSet(ResultSet resultSet) { - if (resultSet != null) { - try { - resultSet.close(); - } catch (SQLException e) { - // We should log the error. Since we're trying to close, we don't re-throw. - } - } - } - - /** - * Proper cleanup the prepared statement - * @param queryStatement - */ - private static void cleanupPreparedStatement(PreparedStatement queryStatement) { - if (queryStatement != null) { - try { - queryStatement.close(); - } catch (SQLException e) { - // We should log the error. Since we're trying to close, we don't re-throw. - } - } - } - - /** - * proper cleanup the connection - * @param connection - */ - private static void cleanupConnection(Connection connection) { - if (connection != null) { - try { - connection.close(); - } catch (SQLException e) { - // We should log the error. Since we're trying to close, we don't re-throw. - } - } - } - -} |