How to use

JndiLocatorDelegate

in

org.springframework.jndi

  public <T> T lookup(String jndiName, Class<T> requiredType) throws Exception {
    JndiLocatorDelegate locator = new JndiLocatorDelegate();
    if (jndiEnvironment instanceof JndiTemplate) {
      locator.setJndiTemplate((JndiTemplate) jndiEnvironment);
    }
    else if (jndiEnvironment instanceof Properties) {
      locator.setJndiEnvironment((Properties) jndiEnvironment);
    }
    else if (jndiEnvironment != null) {
      throw new IllegalStateException("Illegal 'jndiEnvironment' type: " + jndiEnvironment.getClass());
    }
    locator.setResourceRef(resourceRef);
    return locator.lookup(jndiName, requiredType);
  }
}

/**
 * Create a new {@code JndiPropertySource} with the given name
 * and a {@link JndiLocatorDelegate} configured to prefix any names with
 * "java:comp/env/".
 */
public JndiPropertySource(String name) {
  this(name, JndiLocatorDelegate.createDefaultResourceRefLocator());
}

/**
 * Configure a {@code JndiLocatorDelegate} with its "resourceRef" property set to
 * {@code true}, meaning that all names will be prefixed with "java:comp/env/".
 * @see #setResourceRef
 */
public static JndiLocatorDelegate createDefaultResourceRefLocator() {
  JndiLocatorDelegate jndiLocator = new JndiLocatorDelegate();
  jndiLocator.setResourceRef(true);
  return jndiLocator;
}

  @Override
  public MBeanServer getMBeanServer() {
    try {
      return new JndiLocatorDelegate().lookup("java:comp/env/jmx/runtime", MBeanServer.class);
    }
    catch (NamingException ex) {
      throw new MBeanServerNotFoundException("Failed to retrieve WebLogic MBeanServer from JNDI", ex);
    }
  }
},

@Test
public void nameBoundWithPrefix() {
  final SimpleNamingContext context = new SimpleNamingContext();
  context.bind("java:comp/env/p1", "v1");
  JndiTemplate jndiTemplate = new JndiTemplate() {
    @Override
    protected Context createInitialContext() throws NamingException {
      return context;
    }
  };
  JndiLocatorDelegate jndiLocator = new JndiLocatorDelegate();
  jndiLocator.setResourceRef(true);
  jndiLocator.setJndiTemplate(jndiTemplate);
  JndiPropertySource ps = new JndiPropertySource("jndiProperties", jndiLocator);
  assertThat(ps.getProperty("p1"), equalTo("v1"));
}

/**
 * Set whether the lookup occurs in a Java EE container, i.e. if the prefix
 * "java:comp/env/" needs to be added if the JNDI name doesn't already
 * contain it. PersistenceAnnotationBeanPostProcessor's default is "true".
 * @see org.springframework.jndi.JndiLocatorSupport#setResourceRef
 */
public void setResourceRef(boolean resourceRef) {
  this.jndiLocator.setResourceRef(resourceRef);
}

@Override
public void afterPropertiesSet() throws NamingException {
  if (this.jndiName != null) {
    try {
      this.threadFactory = this.jndiLocator.lookup(this.jndiName, ThreadFactory.class);
    }
    catch (NamingException ex) {
      if (logger.isTraceEnabled()) {
        logger.trace("Failed to retrieve [" + this.jndiName + "] from JNDI", ex);
      }
      logger.info("Could not find default managed thread factory in JNDI - " +
          "proceeding with default local thread factory");
    }
  }
}

/**
 * Set the JNDI template to use for JNDI lookups.
 * @see org.springframework.jndi.JndiAccessor#setJndiTemplate
 */
public void setJndiTemplate(JndiTemplate jndiTemplate) {
  this.jndiLocator.setJndiTemplate(jndiTemplate);
}

/**
 * Set the JNDI environment to use for JNDI lookups.
 * @see org.springframework.jndi.JndiAccessor#setJndiEnvironment
 */
public void setJndiEnvironment(Properties jndiEnvironment) {
  this.jndiLocator.setJndiEnvironment(jndiEnvironment);
}

@Nullable
public Object getProperty(String name) {
  if (getSource().isResourceRef() && name.indexOf(':') != -1) {
    Object value = this.source.lookup(name);
    if (logger.isDebugEnabled()) {
      logger.debug("JNDI lookup for name [" + name + "] returned: [" + value + "]");

@Test
public void isDefaultJndiEnvironmentAvailableFalse() throws Exception {
  Field builderField = NamingManager.class.getDeclaredField("initctx_factory_builder");
  builderField.setAccessible(true);
  Object oldBuilder = builderField.get(null);
  builderField.set(null, null);
  try {
    assertThat(JndiLocatorDelegate.isDefaultJndiEnvironmentAvailable(), equalTo(false));
  }
  finally {
    builderField.set(null, oldBuilder);
  }
}

@Test
public void nameBoundWithoutPrefix() {
  final SimpleNamingContext context = new SimpleNamingContext();
  context.bind("p1", "v1");
  JndiTemplate jndiTemplate = new JndiTemplate() {
    @Override
    protected Context createInitialContext() throws NamingException {
      return context;
    }
  };
  JndiLocatorDelegate jndiLocator = new JndiLocatorDelegate();
  jndiLocator.setResourceRef(true);
  jndiLocator.setJndiTemplate(jndiTemplate);
  JndiPropertySource ps = new JndiPropertySource("jndiProperties", jndiLocator);
  assertThat(ps.getProperty("p1"), equalTo("v1"));
}

  @Override
  public MBeanServer getMBeanServer() {
    try {
      return new JndiLocatorDelegate().lookup("java:comp/env/jmx/runtime", MBeanServer.class);
    }
    catch (NamingException ex) {
      throw new MBeanServerNotFoundException("Failed to retrieve WebLogic MBeanServer from JNDI", ex);
    }
  }
},

/**
 * Configure a {@code JndiLocatorDelegate} with its "resourceRef" property set to
 * {@code true}, meaning that all names will be prefixed with "java:comp/env/".
 * @see #setResourceRef
 */
public static JndiLocatorDelegate createDefaultResourceRefLocator() {
  JndiLocatorDelegate jndiLocator = new JndiLocatorDelegate();
  jndiLocator.setResourceRef(true);
  return jndiLocator;
}

/**
 * Set whether the lookup occurs in a Java EE container, i.e. if the prefix
 * "java:comp/env/" needs to be added if the JNDI name doesn't already
 * contain it. PersistenceAnnotationBeanPostProcessor's default is "true".
 * @see org.springframework.jndi.JndiLocatorSupport#setResourceRef
 */
public void setResourceRef(boolean resourceRef) {
  this.jndiLocator.setResourceRef(resourceRef);
}

@Override
public void afterPropertiesSet() throws NamingException {
  if (this.jndiName != null) {
    setConcurrentExecutor(this.jndiLocator.lookup(this.jndiName, Executor.class));
  }
}

/**
 * Set the JNDI template to use for JNDI lookups.
 * @see org.springframework.jndi.JndiAccessor#setJndiTemplate
 */
public void setJndiTemplate(JndiTemplate jndiTemplate) {
  this.jndiLocator.setJndiTemplate(jndiTemplate);
}

/**
 * Set the JNDI environment to use for JNDI lookups.
 * @see org.springframework.jndi.JndiAccessor#setJndiEnvironment
 */
public void setJndiEnvironment(Properties jndiEnvironment) {
  this.jndiLocator.setJndiEnvironment(jndiEnvironment);
}

@Nullable
public Object getProperty(String name) {
  if (getSource().isResourceRef() && name.indexOf(':') != -1) {
    Object value = this.source.lookup(name);
    if (logger.isDebugEnabled()) {
      logger.debug("JNDI lookup for name [" + name + "] returned: [" + value + "]");

propertySources.addLast(new StubPropertySource(SERVLET_CONFIG_PROPERTY_SOURCE_NAME));
propertySources.addLast(new StubPropertySource(SERVLET_CONTEXT_PROPERTY_SOURCE_NAME));
if (JndiLocatorDelegate.isDefaultJndiEnvironmentAvailable()) {
  propertySources.addLast(new JndiPropertySource(JNDI_PROPERTY_SOURCE_NAME));