| /** |
| * 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.hadoop.sqoop.manager; |
| |
| import org.apache.hadoop.sqoop.SqoopOptions; |
| |
| import org.apache.commons.logging.Log; |
| import org.apache.commons.logging.LogFactory; |
| |
| /** |
| * Contains instantiation code for all ConnManager implementations |
| * shipped and enabled by default in Sqoop. |
| */ |
| public final class DefaultManagerFactory extends ManagerFactory { |
| |
| public static final Log LOG = LogFactory.getLog(DefaultManagerFactory.class.getName()); |
| |
| public ConnManager accept(SqoopOptions options) { |
| String manualDriver = options.getDriverClassName(); |
| if (manualDriver != null) { |
| // User has manually specified JDBC implementation with --driver. |
| // Just use GenericJdbcManager. |
| return new GenericJdbcManager(manualDriver, options); |
| } |
| |
| String connectStr = options.getConnectString(); |
| |
| // java.net.URL follows RFC-2396 literally, which does not allow a ':' |
| // character in the scheme component (section 3.1). JDBC connect strings, |
| // however, commonly have a multi-scheme addressing system. e.g., |
| // jdbc:mysql://...; so we cannot parse the scheme component via URL |
| // objects. Instead, attempt to pull out the scheme as best as we can. |
| |
| // First, see if this is of the form [scheme://hostname-and-etc..] |
| int schemeStopIdx = connectStr.indexOf("//"); |
| if (-1 == schemeStopIdx) { |
| // If no hostname start marker ("//"), then look for the right-most ':' |
| // character. |
| schemeStopIdx = connectStr.lastIndexOf(':'); |
| if (-1 == schemeStopIdx) { |
| // Warn that this is nonstandard. But we should be as permissive |
| // as possible here and let the ConnectionManagers themselves throw |
| // out the connect string if it doesn't make sense to them. |
| LOG.warn("Could not determine scheme component of connect string"); |
| |
| // Use the whole string. |
| schemeStopIdx = connectStr.length(); |
| } |
| } |
| |
| String scheme = connectStr.substring(0, schemeStopIdx); |
| |
| if (null == scheme) { |
| // We don't know if this is a mysql://, hsql://, etc. |
| // Can't do anything with this. |
| LOG.warn("Null scheme associated with connect string."); |
| return null; |
| } |
| |
| LOG.debug("Trying with scheme: " + scheme); |
| |
| if (scheme.equals("jdbc:mysql:")) { |
| if (options.isDirect()) { |
| return new LocalMySQLManager(options); |
| } else { |
| return new MySQLManager(options); |
| } |
| } else if (scheme.equals("jdbc:postgresql:")) { |
| if (options.isDirect()) { |
| return new DirectPostgresqlManager(options); |
| } else { |
| return new PostgresqlManager(options); |
| } |
| } else if (scheme.startsWith("jdbc:hsqldb:")) { |
| return new HsqldbManager(options); |
| } else if (scheme.startsWith("jdbc:oracle:")) { |
| return new OracleManager(options); |
| } else { |
| return null; |
| } |
| } |
| } |
| |