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## org.springframework.jndi
Class JndiLocatorSupport

    java.lang.Object
      org.springframework.jndi.JndiAccessor
          org.springframework.jndi.JndiLocatorSupport

Direct Known Subclasses:
  ContextJndiBeanFactoryLocator, JndiDataSourceLookup, JndiDestinationResolver, JndiLocatorDelegate, JndiObjectLocator, SimpleJndiBeanFactory, TimerManagerAccessor, WorkManagerTaskExecutor, WorkManagerTaskExecutor

    public abstract class JndiLocatorSupport

extends JndiAccessor

Convenient superclass for classes that can locate any number of JNDI objects. Derives from JndiAccessor to inherit the "jndiTemplate" and "jndiEnvironment" bean properties.

JNDI names may or may not include the "java:comp/env/" prefix expected by J2EE applications when accessing a locally mapped (ENC - Environmental Naming Context) resource. If it doesn't, the "java:comp/env/" prefix will be prepended if the "resourceRef" property is true (the default is false) and no other scheme (e.g. "java:") is given.

Since:
  1.1
Author:
  Juergen Hoeller
See Also:
  `JndiAccessor.setJndiTemplate(org.springframework.jndi.JndiTemplate)`, `JndiAccessor.setJndiEnvironment(java.util.Properties)`, `setResourceRef(boolean)`

Field Summary
`static java.lang.String` | `CONTAINER_PREFIX` JNDI prefix used in a J2EE container

Fields inherited from class org.springframework.jndi.JndiAccessor
`logger`

Constructor Summary
`JndiLocatorSupport()`

Method Summary
`protected java.lang.String` | `convertJndiName(java.lang.String jndiName)` Convert the given JNDI name into the actual JNDI name to use.
`boolean` | `isResourceRef()` Return whether the lookup occurs in a J2EE container.
`protected java.lang.Object` | `lookup(java.lang.String jndiName)` Perform an actual JNDI lookup for the given name via the JndiTemplate.
`protected
`<T> T`
` | `lookup(java.lang.String jndiName, java.lang.Class<T> requiredType)` Perform an actual JNDI lookup for the given name via the JndiTemplate.
`void` | `setResourceRef(boolean resourceRef)` Set whether the lookup occurs in a J2EE container, i.e.

Methods inherited from class org.springframework.jndi.JndiAccessor
`getJndiEnvironment, getJndiTemplate, setJndiEnvironment, setJndiTemplate`

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

Field Detail

### CONTAINER_PREFIX

    public static final java.lang.String CONTAINER_PREFIX

  JNDI prefix used in a J2EE container

  See Also:
    Constant Field Values

Constructor Detail

### JndiLocatorSupport

    public JndiLocatorSupport()

Method Detail

### setResourceRef

    public void setResourceRef(boolean resourceRef)

  Set whether the lookup occurs in a J2EE container, i.e. if the prefix "java:comp/env/" needs to be added if the JNDI name doesn't already contain it. Default is "false".

  Note: Will only get applied if no other scheme (e.g. "java:") is given.

### isResourceRef

    public boolean isResourceRef()

  Return whether the lookup occurs in a J2EE container.

### lookup

    protected java.lang.Object lookup(java.lang.String jndiName)
                               throws javax.naming.NamingException

  Perform an actual JNDI lookup for the given name via the JndiTemplate.

  If the name doesn't begin with "java:comp/env/", this prefix is added if "resourceRef" is set to "true".

  Parameters:
    `jndiName` - the JNDI name to look up
  Returns:
    the obtained object
  Throws:
    `javax.naming.NamingException` - if the JNDI lookup failed
  See Also:
    `setResourceRef(boolean)`

### lookup

    protected <T> T lookup(java.lang.String jndiName,
                           java.lang.Class<T> requiredType)
                throws javax.naming.NamingException

  Perform an actual JNDI lookup for the given name via the JndiTemplate.

  If the name doesn't begin with "java:comp/env/", this prefix is added if "resourceRef" is set to "true".

  Parameters:
    `jndiName` - the JNDI name to look up
    `requiredType` - the required type of the object
  Returns:
    the obtained object
  Throws:
    `javax.naming.NamingException` - if the JNDI lookup failed
  See Also:
    `setResourceRef(boolean)`

### convertJndiName

    protected java.lang.String convertJndiName(java.lang.String jndiName)

  Convert the given JNDI name into the actual JNDI name to use.

  The default implementation applies the "java:comp/env/" prefix if "resourceRef" is "true" and no other scheme (e.g. "java:") is given.

  Parameters:
    `jndiName` - the original JNDI name
  Returns:
    the JNDI name to use
  See Also:
    `CONTAINER_PREFIX`, `setResourceRef(boolean)`

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