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Java > Open Source Codes > org > openejb > resource > jdbc > JdbcManagedConnectionFactory


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41  * Copyright 2005 (C) The OpenEJB Group. All Rights Reserved.
42  *
43  * $Id: JdbcManagedConnectionFactory.java 2116 2005-08-26 22:00:07Z dblevins $
44  */

45 package org.openejb.resource.jdbc;
46
47 import org.openejb.core.EnvProps;
48 import org.openejb.util.Logger;
49
50 import javax.resource.ResourceException JavaDoc;
51 import javax.resource.spi.ConnectionManager JavaDoc;
52 import javax.resource.spi.ConnectionRequestInfo JavaDoc;
53 import javax.resource.spi.ManagedConnection JavaDoc;
54 import javax.resource.spi.ManagedConnectionFactory JavaDoc;
55 import javax.resource.spi.ResourceAdapterInternalException JavaDoc;
56 import javax.security.auth.Subject JavaDoc;
57 import java.io.PrintWriter JavaDoc;
58 import java.util.Set JavaDoc;
59
60 public class JdbcManagedConnectionFactory implements javax.resource.spi.ManagedConnectionFactory JavaDoc, java.io.Serializable JavaDoc {
61
62     protected Logger logger = Logger.getInstance("OpenEJB.connector", "org.openejb.alt.util.resources");
63     private ManagedConnectionFactory JavaDoc factory;
64
65     public void init(java.util.Properties JavaDoc props) throws javax.resource.spi.ResourceAdapterInternalException JavaDoc {
66         String JavaDoc defaultUserName = props.getProperty(EnvProps.USER_NAME);
67         String JavaDoc defaultPassword = props.getProperty(EnvProps.PASSWORD);
68         String JavaDoc url = props.getProperty(EnvProps.JDBC_URL);
69         String JavaDoc driver = props.getProperty(EnvProps.JDBC_DRIVER);
70
71         loadDriver(driver);
72
73         factory = new BasicManagedConnectionFactory(this, driver, url, defaultUserName, defaultPassword);
74
75         if (driver.equals("org.enhydra.instantdb.jdbc.idbDriver")) {
76             factory = new ManagedConnectionFactoryPathHack(factory);
77         }
78
79         JdbcConnectionRequestInfo info = new JdbcConnectionRequestInfo(defaultUserName, defaultPassword, driver, url);
80         ManagedConnection JavaDoc connection = null;
81         try {
82             connection = factory.createManagedConnection(null, info);
83         } catch (Throwable JavaDoc e) {
84             logger.error("Testing driver failed. " + "[" + url + "] "
85                     + "Could not obtain a physical JDBC connection from the DriverManager."
86                     + "\nThe error message was:\n" + e.getMessage() + "\nPossible cause:"
87                     + "\n\to JDBC driver classes are not available to OpenEJB"
88                     + "\n\to Relative paths are not resolved properly");
89         } finally {
90             try {
91                 connection.destroy();
92             } catch (ResourceException JavaDoc dontCare) {
93             }
94         }
95     }
96
97     private void loadDriver(String JavaDoc driver) throws ResourceAdapterInternalException JavaDoc {
98         try {
99             ClassLoader JavaDoc classLoader = (ClassLoader JavaDoc) java.security.AccessController.doPrivileged(new java.security.PrivilegedAction JavaDoc() {
100                 public Object JavaDoc run() {
101                     return Thread.currentThread().getContextClassLoader();
102                 }
103             });
104             Class.forName(driver, true, classLoader);
105         } catch (ClassNotFoundException JavaDoc cnf) {
106             throw new ResourceAdapterInternalException JavaDoc("JDBC Driver class \"" + driver + "\" not found by class loader", ErrorCode.JDBC_0002);
107         }
108     }
109
110     public Object JavaDoc createConnectionFactory(ConnectionManager JavaDoc connectionManager) throws ResourceException JavaDoc {
111         return factory.createConnectionFactory(connectionManager);
112     }
113
114     public Object JavaDoc createConnectionFactory() throws ResourceException JavaDoc {
115         return factory.createConnectionFactory();
116     }
117
118     public ManagedConnection JavaDoc createManagedConnection(Subject JavaDoc subject, ConnectionRequestInfo JavaDoc connectionRequestInfo) throws ResourceException JavaDoc {
119         return factory.createManagedConnection(subject, connectionRequestInfo);
120     }
121
122     public ManagedConnection JavaDoc matchManagedConnections(Set JavaDoc set, Subject JavaDoc subject, ConnectionRequestInfo JavaDoc connectionRequestInfo) throws ResourceException JavaDoc {
123         return factory.matchManagedConnections(set, subject, connectionRequestInfo);
124     }
125
126     public void setLogWriter(PrintWriter JavaDoc printWriter) throws ResourceException JavaDoc {
127         factory.setLogWriter(printWriter);
128     }
129
130     public PrintWriter JavaDoc getLogWriter() throws ResourceException JavaDoc {
131         return factory.getLogWriter();
132     }
133
134     public int hashCode() {
135         return factory.hashCode();
136     }
137
138     public boolean equals(Object JavaDoc o) {
139         return factory.equals(o);
140     }
141 }
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