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.logging.Logger;
20 import javax.sql.DataSource;
23 * Database that encapsulates connection to an external database. Database
24 * connection details can be configured through system properties and
25 * environment variables, see {@link #DB_URL_PROP}, {@link #DB_USER_PROP}, and
26 * {@link #DB_PASSWORD_PROP|.
28 * This class assumes modern database drivers that work together with
29 * java.util.ServiceLoader so that explicitly doing a Class.forName() is not
30 * necessary to load the database driver.
32 public class ExternalDatabase extends AbstractDatabase {
34 private static final Logger LOGGER = Logger
35 .getLogger(ExternalDatabase.class.getName());
38 * System property/environment variable that defines the database URL.
40 public static final String DB_URL_PROP = "TEST_DB_URL";
43 * System property/environment variable that defines the database user.
45 public static final String DB_USER_PROP = "TEST_DB_USER";
48 * System property/environment variable that defines the database password.
50 public static final String DB_PASSWORD_PROP = "TEST_DB_PASSWORD";
52 private String itsUrl;
53 private String itsUser;
54 private String itsPassword;
56 private DataSource itsDataSource;
58 public ExternalDatabase() {
62 public String getExternalJdbcUrl() {
66 public String getJdbcUrl() {
70 public String getPassword() {
74 public String getUsername() {
78 public void doStart() {
79 itsUrl = getProperty(DB_URL_PROP);
80 itsUser = getProperty(DB_USER_PROP);
81 itsPassword = getProperty(DB_PASSWORD_PROP);
86 public void doStop() {