2 * Copyright 2005-2010 the original author or authors.
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
16 package org.wamblee.support.persistence;
18 import java.util.Arrays;
19 import java.util.List;
20 import java.util.logging.Logger;
22 import javax.sql.DataSource;
24 import org.apache.commons.dbcp.ConnectionFactory;
25 import org.apache.commons.dbcp.DriverManagerConnectionFactory;
26 import org.apache.commons.dbcp.PoolableConnectionFactory;
27 import org.apache.commons.dbcp.PoolingDataSource;
28 import org.apache.commons.pool.impl.GenericObjectPool;
31 * Database that encapsulates connection to an external database. Database
32 * connection details can be configured through system properties and
33 * environment variables, see {@link #DB_URL_PROP}, {@link #DB_USER_PROP}, and
34 * {@link #DB_PASSWORD_PROP|.
36 * This class assumes modern database drivers that work together with
37 * java.util.ServiceLoader so that explicitly doing a Class.forName() is not
38 * necessary to load the database driver.
40 public class ExternalDatabase extends AbstractDatabase {
42 private static final Logger LOGGER = Logger
43 .getLogger(ExternalDatabase.class.getName());
46 * System property/environment variable that defines the database URL.
48 public static final String DB_URL_PROP = "TEST_DB_URL";
51 * System property/environment variable that defines the database user.
53 public static final String DB_USER_PROP = "TEST_DB_USER";
56 * System property/environment variable that defines the database password.
58 public static final String DB_PASSWORD_PROP = "TEST_DB_PASSWORD";
60 private String itsUrl;
61 private String itsUser;
62 private String itsPassword;
64 private DataSource itsDataSource;
66 public ExternalDatabase() {
70 public String getExternalJdbcUrl() {
74 public String getJdbcUrl() {
78 public String getPassword() {
82 public String getUsername() {
86 public void doStart() {
87 itsUrl = getProperty(DB_URL_PROP);
88 itsUser = getProperty(DB_USER_PROP);
89 itsPassword = getProperty(DB_PASSWORD_PROP);
94 public void doStop() {