Source Code Cross Referenced for JndiDatabaseTester.java in  » Testing » DbUnit » org » dbunit » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Testing » DbUnit » org.dbunit 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /*
002:         * The DbUnit Database Testing Framework Copyright (C)2002-2004, DbUnit.org This
003:         * library is free software; you can redistribute it and/or modify it under the
004:         * terms of the GNU Lesser General Public License as published by the Free
005:         * Software Foundation; either version 2.1 of the License, or (at your option)
006:         * any later version. This library is distributed in the hope that it will be
007:         * useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
008:         * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser
009:         * General Public License for more details. You should have received a copy of
010:         * the GNU Lesser General Public License along with this library; if not, write
011:         * to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
012:         * 02111-1307 USA
013:         */
014:        package org.dbunit;
015:
016:        import org.slf4j.Logger;
017:        import org.slf4j.LoggerFactory;
018:
019:        import java.util.Properties;
020:
021:        import javax.naming.Context;
022:        import javax.naming.InitialContext;
023:        import javax.naming.NamingException;
024:        import javax.sql.DataSource;
025:
026:        import org.dbunit.database.DatabaseConnection;
027:        import org.dbunit.database.IDatabaseConnection;
028:
029:        /**
030:         * DatabaseTester that pulls a DataSource from a JNDI location.
031:         *
032:         * @author Andres Almiray <aalmiray@users.sourceforge.net>
033:         */
034:        public class JndiDatabaseTester extends AbstractDatabaseTester {
035:
036:            /**
037:             * Logger for this class
038:             */
039:            private static final Logger logger = LoggerFactory
040:                    .getLogger(JndiDatabaseTester.class);
041:
042:            private DataSource dataSource;
043:            private Properties environment;
044:            private boolean initialized = false;
045:            private String lookupName;
046:
047:            /**
048:             * Creates a JndiDatabaseTester with specific JNDI properties.
049:             *
050:             * @param environment A Properties object with JNDI properties
051:             * @param lookupName the name of the resource in the JNDI context
052:             */
053:            public JndiDatabaseTester(Properties environment, String lookupName) {
054:                super ();
055:                this .environment = environment;
056:                this .lookupName = lookupName;
057:            }
058:
059:            /**
060:             * Creates a JndiDatabaseTester with default JNDI properties.
061:             *
062:             * @param lookupName the name of the resource in the JNDI context
063:             */
064:            public JndiDatabaseTester(String lookupName) {
065:                this (null, lookupName);
066:            }
067:
068:            public IDatabaseConnection getConnection() throws Exception {
069:                logger.debug("getConnection() - start");
070:
071:                if (!initialized) {
072:                    initialize();
073:                }
074:
075:                if (getSchema() != null) {
076:                    return new DatabaseConnection(dataSource.getConnection(),
077:                            getSchema());
078:                } else {
079:                    return new DatabaseConnection(dataSource.getConnection());
080:                }
081:            }
082:
083:            /**
084:             * Verifies the configured properties and locates the Datasource through
085:             * JNDI.<br>
086:             * This method is called by {@link getConnection} if the tester has not been
087:             * initialized yet.
088:             */
089:            private void initialize() throws NamingException {
090:                logger.debug("initialize() - start");
091:
092:                Context context = new InitialContext(environment);
093:                assertNotNullNorEmpty("lookupName", lookupName);
094:                Object obj = context.lookup(lookupName);
095:                assertTrue("JNDI object with [" + lookupName + "] not found",
096:                        obj != null);
097:                assertTrue("Object [" + obj + "] at JNDI location ["
098:                        + lookupName + "] is not of type ["
099:                        + DataSource.class.getName() + "]",
100:                        obj instanceof  DataSource);
101:                dataSource = (DataSource) obj;
102:                assertTrue("DataSource is not set", dataSource != null);
103:                initialized = true;
104:            }
105:        }
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