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## org.springframework.jndi
Class JndiPropertySource

    java.lang.Object
      org.springframework.core.env.PropertySource<JndiLocatorDelegate>
          org.springframework.jndi.JndiPropertySource

    public class JndiPropertySource

extends PropertySource<JndiLocatorDelegate>

`PropertySource` implementation that reads properties from an underlying Spring `JndiLocatorDelegate`.

By default, the underlying `JndiLocatorDelegate` will be configured with its `"resourceRef"` property set to `true`, meaning that names looked up will automatically be prefixed with "java:comp/env/" in alignment with published JNDI naming conventions. To override this setting or to change the prefix, manually configure a `JndiLocatorDelegate` and provide it to one of the constructors here that accepts it. The same applies when providing custom JNDI properties. These should be specified using `JndiAccessor.setJndiEnvironment(java.util.Properties)` prior to construction of the `JndiPropertySource`.

Note that `StandardServletEnvironment` includes a `JndiPropertySource` by default, and any customization of the underlying `JndiLocatorDelegate` may be performed within an `ApplicationContextInitializer` or `WebApplicationInitializer`.

Since:
  3.1
Author:
  Chris Beams, Juergen Hoeller
See Also:
  `JndiLocatorDelegate`, `ApplicationContextInitializer`, `WebApplicationInitializer`, `StandardServletEnvironment`

Nested Class Summary

Nested classes/interfaces inherited from class org.springframework.core.env.PropertySource
`PropertySource.StubPropertySource`

Field Summary

Fields inherited from class org.springframework.core.env.PropertySource
`logger, name, source`

Constructor Summary
`JndiPropertySource(java.lang.String name)` Create a new `JndiPropertySource` with the given name and a `JndiLocatorDelegate` configured to prefix any names with "java:comp/env/".
`JndiPropertySource(java.lang.String name, JndiLocatorDelegate jndiLocator)` Create a new `JndiPropertySource` with the given name and the given `JndiLocatorDelegate`.

Method Summary
`java.lang.Object` | `getProperty(java.lang.String name)` Return the value associated with the given name, `null` if not found.

Methods inherited from class org.springframework.core.env.PropertySource
`containsProperty, equals, getName, getSource, hashCode, named, toString`

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

Constructor Detail

### JndiPropertySource

    public JndiPropertySource(java.lang.String name)

  Create a new `JndiPropertySource` with the given name and a `JndiLocatorDelegate` configured to prefix any names with "java:comp/env/".

### JndiPropertySource

    public JndiPropertySource(java.lang.String name,
                              JndiLocatorDelegate jndiLocator)

  Create a new `JndiPropertySource` with the given name and the given `JndiLocatorDelegate`.

Method Detail

### getProperty

    public java.lang.Object getProperty(java.lang.String name)

  Return the value associated with the given name, `null` if not found.

  This implementation looks up and returns the value associated with the given name from the underlying `JndiLocatorDelegate`. If a `NamingException` is thrown during the call to `JndiLocatorDelegate.lookup(String)`, returns `null` and issues a DEBUG-level log statement with the exception message.

  Specified by:
    `getProperty` in class `PropertySource<JndiLocatorDelegate>`
  Parameters:
    `name` - the property to find
  See Also:
    `PropertyResolver.getRequiredProperty(String)`

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