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## org.springframework.remoting.rmi
Class RmiClientInterceptorUtils

    java.lang.Object
      org.springframework.remoting.rmi.RmiClientInterceptorUtils

    public abstract class RmiClientInterceptorUtils

extends Object

Factored-out methods for performing invocations within an RMI client. Can handle both RMI and non-RMI service interfaces working on an RMI stub.

Note: This is an SPI class, not intended to be used by applications.

Since:
  1.1
Author:
  Juergen Hoeller

Constructor Summary
`RmiClientInterceptorUtils()`

Method Summary
`static Exception` | `convertRmiAccessException(Method method, RemoteException ex, boolean isConnectFailure, String serviceName)` Convert the given RemoteException that happened during remote access to Spring's RemoteAccessException if the method signature does not support RemoteException.
`static Exception` | `convertRmiAccessException(Method method, RemoteException ex, String serviceName)` Convert the given RemoteException that happened during remote access to Spring's RemoteAccessException if the method signature does not support RemoteException.
`static Exception` | `convertRmiAccessException(Method method, Throwable ex, String message)` Wrap the given arbitrary exception that happened during remote access in either a RemoteException or a Spring RemoteAccessException (if the method signature does not support RemoteException).
`static Object` | `doInvoke(MethodInvocation invocation, Remote stub)` Deprecated. as of Spring 2.5, in favor of `invokeRemoteMethod(org.aopalliance.intercept.MethodInvocation, java.lang.Object)`
`static Object` | `invoke(MethodInvocation invocation, Remote stub, String serviceName)` Deprecated. as of Spring 2.5, in favor of `invokeRemoteMethod(org.aopalliance.intercept.MethodInvocation, java.lang.Object)`
`static Object` | `invokeRemoteMethod(MethodInvocation invocation, Object stub)` Perform a raw method invocation on the given RMI stub, letting reflection exceptions through as-is.
`static boolean` | `isConnectFailure(RemoteException ex)` Determine whether the given RMI exception indicates a connect failure.

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

Constructor Detail

### RmiClientInterceptorUtils

    public RmiClientInterceptorUtils()

Method Detail

### invoke

    @Deprecated
    public static Object invoke(MethodInvocation invocation,
                                           Remote stub,
                                           String serviceName)
                         throws Throwable

  Deprecated. as of Spring 2.5, in favor of `invokeRemoteMethod(org.aopalliance.intercept.MethodInvocation, java.lang.Object)`

  Apply the given method invocation to the given RMI stub.

  Delegates to the corresponding method if the RMI stub does not directly implement the invoked method. This typically happens when a non-RMI service interface is used for an RMI service. The methods of such a service interface have to match the RMI stub methods, but they typically don't declare `java.rmi.RemoteException`: A RemoteException thrown by the RMI stub will be automatically converted to Spring's RemoteAccessException.

  Throws:
    `Throwable`

### doInvoke

    @Deprecated
    public static Object doInvoke(MethodInvocation invocation,
                                             Remote stub)
                           throws InvocationTargetException

  Deprecated. as of Spring 2.5, in favor of `invokeRemoteMethod(org.aopalliance.intercept.MethodInvocation, java.lang.Object)`

  Perform a raw method invocation on the given RMI stub, letting reflection exceptions through as-is.

  Throws:
    `InvocationTargetException`

### invokeRemoteMethod

    public static Object invokeRemoteMethod(MethodInvocation invocation,
                                            Object stub)
                                     throws InvocationTargetException

  Perform a raw method invocation on the given RMI stub, letting reflection exceptions through as-is.

  Parameters:
    `invocation` - the AOP MethodInvocation
    `stub` - the RMI stub
  Returns:
    the invocation result, if any
  Throws:
    `InvocationTargetException` - if thrown by reflection

### convertRmiAccessException

    public static Exception convertRmiAccessException(Method method,
                                                      Throwable ex,
                                                      String message)

  Wrap the given arbitrary exception that happened during remote access in either a RemoteException or a Spring RemoteAccessException (if the method signature does not support RemoteException).

  Only call this for remote access exceptions, not for exceptions thrown by the target service itself!

  Parameters:
    `method` - the invoked method
    `ex` - the exception that happened, to be used as cause for the RemoteAccessException or RemoteException
    `message` - the message for the RemoteAccessException respectively RemoteException
  Returns:
    the exception to be thrown to the caller

### convertRmiAccessException

    public static Exception convertRmiAccessException(Method method,
                                                      RemoteException ex,
                                                      String serviceName)

  Convert the given RemoteException that happened during remote access to Spring's RemoteAccessException if the method signature does not support RemoteException. Else, return the original RemoteException.

  Parameters:
    `method` - the invoked method
    `ex` - the RemoteException that happened
    `serviceName` - the name of the service (for debugging purposes)
  Returns:
    the exception to be thrown to the caller

### convertRmiAccessException

    public static Exception convertRmiAccessException(Method method,
                                                      RemoteException ex,
                                                      boolean isConnectFailure,
                                                      String serviceName)

  Convert the given RemoteException that happened during remote access to Spring's RemoteAccessException if the method signature does not support RemoteException. Else, return the original RemoteException.

  Parameters:
    `method` - the invoked method
    `ex` - the RemoteException that happened
    `isConnectFailure` - whether the given exception should be considered a connect failure
    `serviceName` - the name of the service (for debugging purposes)
  Returns:
    the exception to be thrown to the caller

### isConnectFailure

    public static boolean isConnectFailure(RemoteException ex)

  Determine whether the given RMI exception indicates a connect failure.

  Treats RMI's ConnectException, ConnectIOException, UnknownHostException, NoSuchObjectException and StubNotFoundException as connect failure, as well as Oracle's OC4J `com.evermind.server.rmi.RMIConnectionException` (which doesn't derive from from any well-known RMI connect exception).

  Parameters:
    `ex` - the RMI exception to check
  Returns:
    whether the exception should be treated as connect failure
  See Also:
    `ConnectException`, `ConnectIOException`, `UnknownHostException`, `NoSuchObjectException`, `StubNotFoundException`

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