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UserCredentialsConnectionFactoryAdapter (Spring Framework API 2.1) - Spring Framework 2.1.0 API 文档英文版

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org.springframework.jms.connection
Class UserCredentialsConnectionFactoryAdapter

java.lang.Object
  org.springframework.jms.connection.UserCredentialsConnectionFactoryAdapter

All Implemented Interfaces:

ConnectionFactory, QueueConnectionFactory, TopicConnectionFactory, InitializingBean

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public class UserCredentialsConnectionFactoryAdapter
extends Object
implements ConnectionFactory, QueueConnectionFactory, TopicConnectionFactory, InitializingBean

An adapter for a target JMS ConnectionFactory, applying the given user credentials to every standard createConnection() call, that is, implicitly invoking createConnection(username, password) on the target. All other methods simply delegate to the corresponding methods of the target ConnectionFactory.

Can be used to proxy a target JNDI ConnectionFactory that does not have user credentials configured. Client code can work with the ConnectionFactory without passing in username and password on every createConnection() call.

In the following example, client code can simply transparently work with the preconfigured "myConnectionFactory", implicitly accessing "myTargetConnectionFactory" with the specified user credentials.

 <bean id="myTargetConnectionFactory" class="org.springframework.jndi.JndiObjectFactoryBean">
   <property name="jndiName" value="java:comp/env/jms/mycf"/>
 </bean>

 <bean id="myConnectionFactory" class="org.springframework.jms.connection.UserCredentialsConnectionFactoryAdapter">
   <property name="targetConnectionFactory" ref="myTargetConnectionFactory"/>
   <property name="username" value="myusername"/>
   <property name="password" value="mypassword"/>
 </bean>

If the "username" is empty, this proxy will simply delegate to the standard createConnection() method of the target ConnectionFactory. This can be used to keep a UserCredentialsConnectionFactoryAdapter bean definition just for the option of implicitly passing in user credentials if the particular target ConnectionFactory requires it.

Since:

1.2

Author:

Juergen Hoeller

See Also:

createConnection(), createQueueConnection(), createTopicConnection()

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Constructor Summary
UserCredentialsConnectionFactoryAdapter()

 

Method Summary
void	afterPropertiesSet()           Invoked by a BeanFactory after it has set all bean properties supplied (and satisfied BeanFactoryAware and ApplicationContextAware).
Connection	createConnection()           Determine whether there are currently thread-bound credentials, using them if available, falling back to the statically specified username and password (i.e. values of the bean properties) else.
Connection	createConnection(String username, String password)           Delegate the call straight to the target ConnectionFactory.
QueueConnection	createQueueConnection()           Determine whether there are currently thread-bound credentials, using them if available, falling back to the statically specified username and password (i.e. values of the bean properties) else.
QueueConnection	createQueueConnection(String username, String password)           Delegate the call straight to the target QueueConnectionFactory.
TopicConnection	createTopicConnection()           Determine whether there are currently thread-bound credentials, using them if available, falling back to the statically specified username and password (i.e. values of the bean properties) else.
TopicConnection	createTopicConnection(String username, String password)           Delegate the call straight to the target TopicConnectionFactory.
protected  Connection	doCreateConnection(String username, String password)           This implementation delegates to the createConnection(username, password) method of the target ConnectionFactory, passing in the specified user credentials.
protected  QueueConnection	doCreateQueueConnection(String username, String password)           This implementation delegates to the createQueueConnection(username, password) method of the target QueueConnectionFactory, passing in the specified user credentials.
protected  TopicConnection	doCreateTopicConnection(String username, String password)           This implementation delegates to the createTopicConnection(username, password) method of the target TopicConnectionFactory, passing in the specified user credentials.
void	removeCredentialsFromCurrentThread()           Remove any user credentials for this proxy from the current thread.
void	setCredentialsForCurrentThread(String username, String password)           Set user credententials for this proxy and the current thread.
void	setPassword(String password)           Set the password that this adapter should use for retrieving Connections.
void	setTargetConnectionFactory(ConnectionFactory targetConnectionFactory)           Set the target ConnectionFactory that this ConnectionFactory should delegate to.
void	setUsername(String username)           Set the username that this adapter should use for retrieving Connections.

 

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

 

Constructor Detail

UserCredentialsConnectionFactoryAdapter

public UserCredentialsConnectionFactoryAdapter()

Method Detail

setTargetConnectionFactory

public void setTargetConnectionFactory(ConnectionFactory targetConnectionFactory)

Set the target ConnectionFactory that this ConnectionFactory should delegate to.

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setUsername

public void setUsername(String username)

Set the username that this adapter should use for retrieving Connections. Default is no specific user.

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setPassword

public void setPassword(String password)

Set the password that this adapter should use for retrieving Connections. Default is no specific password.

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afterPropertiesSet

public void afterPropertiesSet()

Description copied from interface: InitializingBean

Invoked by a BeanFactory after it has set all bean properties supplied (and satisfied BeanFactoryAware and ApplicationContextAware).

This method allows the bean instance to perform initialization only possible when all bean properties have been set and to throw an exception in the event of misconfiguration.

Specified by:

afterPropertiesSet in interface InitializingBean

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setCredentialsForCurrentThread

public void setCredentialsForCurrentThread(String username,
                                           String password)

Set user credententials for this proxy and the current thread. The given username and password will be applied to all subsequent createConnection() calls on this ConnectionFactory proxy.

This will override any statically specified user credentials, that is, values of the "username" and "password" bean properties.

Parameters:

username - the username to apply

password - the password to apply

See Also:

removeCredentialsFromCurrentThread()

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removeCredentialsFromCurrentThread

public void removeCredentialsFromCurrentThread()

Remove any user credentials for this proxy from the current thread. Statically specified user credentials apply again afterwards.

See Also:

setCredentialsForCurrentThread(java.lang.String, java.lang.String)

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createConnection

public final Connection createConnection()
                                  throws JMSException

Determine whether there are currently thread-bound credentials, using them if available, falling back to the statically specified username and password (i.e. values of the bean properties) else.

Specified by:

createConnection in interface ConnectionFactory

Throws:

JMSException

See Also:

doCreateConnection(java.lang.String, java.lang.String)

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createConnection

public Connection createConnection(String username,
                                   String password)
                            throws JMSException

Delegate the call straight to the target ConnectionFactory.

Specified by:

createConnection in interface ConnectionFactory

Throws:

JMSException

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doCreateConnection

protected Connection doCreateConnection(String username,
                                        String password)
                                 throws JMSException

This implementation delegates to the createConnection(username, password) method of the target ConnectionFactory, passing in the specified user credentials. If the specified username is empty, it will simply delegate to the standard createConnection() method of the target ConnectionFactory.

Parameters:

username - the username to use

password - the password to use

Returns:

the Connection

Throws:

JMSException

See Also:

ConnectionFactory.createConnection(String, String), ConnectionFactory.createConnection()

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createQueueConnection

public final QueueConnection createQueueConnection()
                                            throws JMSException

Determine whether there are currently thread-bound credentials, using them if available, falling back to the statically specified username and password (i.e. values of the bean properties) else.

Specified by:

createQueueConnection in interface QueueConnectionFactory

Throws:

JMSException

See Also:

doCreateQueueConnection(java.lang.String, java.lang.String)

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createQueueConnection

public QueueConnection createQueueConnection(String username,
                                             String password)
                                      throws JMSException

Delegate the call straight to the target QueueConnectionFactory.

Specified by:

createQueueConnection in interface QueueConnectionFactory

Throws:

JMSException

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doCreateQueueConnection

protected QueueConnection doCreateQueueConnection(String username,
                                                  String password)
                                           throws JMSException

This implementation delegates to the createQueueConnection(username, password) method of the target QueueConnectionFactory, passing in the specified user credentials. If the specified username is empty, it will simply delegate to the standard createQueueConnection() method of the target ConnectionFactory.

Parameters:

username - the username to use

password - the password to use

Returns:

the Connection

Throws:

JMSException

See Also:

QueueConnectionFactory.createQueueConnection(String, String), QueueConnectionFactory.createQueueConnection()

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createTopicConnection

public final TopicConnection createTopicConnection()
                                            throws JMSException

Determine whether there are currently thread-bound credentials, using them if available, falling back to the statically specified username and password (i.e. values of the bean properties) else.

Specified by:

createTopicConnection in interface TopicConnectionFactory

Throws:

JMSException

See Also:

doCreateTopicConnection(java.lang.String, java.lang.String)

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createTopicConnection

public TopicConnection createTopicConnection(String username,
                                             String password)
                                      throws JMSException

Delegate the call straight to the target TopicConnectionFactory.

Specified by:

createTopicConnection in interface TopicConnectionFactory

Throws:

JMSException

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doCreateTopicConnection

protected TopicConnection doCreateTopicConnection(String username,
                                                  String password)
                                           throws JMSException

This implementation delegates to the createTopicConnection(username, password) method of the target TopicConnectionFactory, passing in the specified user credentials. If the specified username is empty, it will simply delegate to the standard createTopicConnection() method of the target ConnectionFactory.

Parameters:

username - the username to use

password - the password to use

Returns:

the Connection

Throws:

JMSException

See Also:

TopicConnectionFactory.createTopicConnection(String, String), TopicConnectionFactory.createTopicConnection()

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