javax.rmi.ssl

## Class SslRMIServerSocketFactory

- java.lang.Object
- - javax.rmi.ssl.SslRMIServerSocketFactory

- All Implemented Interfaces:
    RMIServerSocketFactory

      public class SslRMIServerSocketFactory
      extends Object
      implements RMIServerSocketFactory

  An `SslRMIServerSocketFactory` instance is used by the RMI runtime in order to obtain server sockets for RMI calls via SSL.

  This class implements `RMIServerSocketFactory` over the Secure Sockets Layer (SSL) or Transport Layer Security (TLS) protocols.

  This class creates SSL sockets using the default `SSLSocketFactory` (see `SSLSocketFactory.getDefault()`) or the default `SSLServerSocketFactory` (see `SSLServerSocketFactory.getDefault()`). Therefore, all instances of this class share the same keystore, and the same truststore, when client authentication is required by the server. This behavior can be modified in subclasses by overriding the `createServerSocket(int)` method; in that case, `equals` and `hashCode` may also need to be overridden.

  Since:
    1.5
  See Also:
    `SSLSocketFactory`, `SSLServerSocketFactory`, `SslRMIClientSocketFactory`

- - ### Constructor Summary

    Constructors
    Constructor and Description
    `SslRMIServerSocketFactory()` Creates a new `SslRMIServerSocketFactory` with the default SSL socket configuration.
    `SslRMIServerSocketFactory(String[] enabledCipherSuites, String[] enabledProtocols, boolean needClientAuth)` Creates a new `SslRMIServerSocketFactory` with the specified SSL socket configuration.

  - ### Method Summary

    Methods
    Modifier and Type | Method and Description
    --- | ---
    `ServerSocket` | `createServerSocket(int port)` Creates a server socket that accepts SSL connections configured according to this factory's SSL socket configuration parameters.
    `boolean` | `equals(Object obj)` Indicates whether some other object is "equal to" this one.
    `String[]` | `getEnabledCipherSuites()` Returns the names of the cipher suites enabled on SSL connections accepted by server sockets created by this factory, or `null` if this factory uses the cipher suites that are enabled by default.
    `String[]` | `getEnabledProtocols()` Returns the names of the protocol versions enabled on SSL connections accepted by server sockets created by this factory, or `null` if this factory uses the protocol versions that are enabled by default.
    `boolean` | `getNeedClientAuth()` Returns `true` if client authentication is required on SSL connections accepted by server sockets created by this factory.
    `int` | `hashCode()` Returns a hash code value for this `SslRMIServerSocketFactory`.

    - ### Methods inherited from class java.lang.Object

      `clone, finalize, getClass, notify, notifyAll, toString, wait, wait, wait`

- - ### Constructor Detail

    - #### SslRMIServerSocketFactory

          public SslRMIServerSocketFactory()

      Creates a new `SslRMIServerSocketFactory` with the default SSL socket configuration.

      SSL connections accepted by server sockets created by this factory have the default cipher suites and protocol versions enabled and do not require client authentication.

    - #### SslRMIServerSocketFactory

          public SslRMIServerSocketFactory(String[] enabledCipherSuites,
                                   String[] enabledProtocols,
                                   boolean needClientAuth)
                                    throws IllegalArgumentException

      Creates a new `SslRMIServerSocketFactory` with the specified SSL socket configuration.

      Parameters:
        `enabledCipherSuites` - names of all the cipher suites to enable on SSL connections accepted by server sockets created by this factory, or `null` to use the cipher suites that are enabled by default
        `enabledProtocols` - names of all the protocol versions to enable on SSL connections accepted by server sockets created by this factory, or `null` to use the protocol versions that are enabled by default
        `needClientAuth` - `true` to require client authentication on SSL connections accepted by server sockets created by this factory; `false` to not require client authentication
      Throws:
        `IllegalArgumentException` - when one or more of the cipher suites named by the `enabledCipherSuites` parameter is not supported, when one or more of the protocols named by the `enabledProtocols` parameter is not supported or when a problem is encountered while trying to check if the supplied cipher suites and protocols to be enabled are supported.
      See Also:
        `SSLSocket.setEnabledCipherSuites(java.lang.String[])`, `SSLSocket.setEnabledProtocols(java.lang.String[])`, `SSLSocket.setNeedClientAuth(boolean)`

  - ### Method Detail

    - #### getEnabledCipherSuites

          public final String[] getEnabledCipherSuites()

      Returns the names of the cipher suites enabled on SSL connections accepted by server sockets created by this factory, or `null` if this factory uses the cipher suites that are enabled by default.

      Returns:
        an array of cipher suites enabled, or `null`
      See Also:
        `SSLSocket.setEnabledCipherSuites(java.lang.String[])`

    - #### getEnabledProtocols

          public final String[] getEnabledProtocols()

      Returns the names of the protocol versions enabled on SSL connections accepted by server sockets created by this factory, or `null` if this factory uses the protocol versions that are enabled by default.

      Returns:
        an array of protocol versions enabled, or `null`
      See Also:
        `SSLSocket.setEnabledProtocols(java.lang.String[])`

    - #### getNeedClientAuth

          public final boolean getNeedClientAuth()

      Returns `true` if client authentication is required on SSL connections accepted by server sockets created by this factory.

      Returns:
        `true` if client authentication is required
      See Also:
        `SSLSocket.setNeedClientAuth(boolean)`

    - #### createServerSocket

          public ServerSocket createServerSocket(int port)
                                          throws IOException

      Creates a server socket that accepts SSL connections configured according to this factory's SSL socket configuration parameters.

      Specified by:
        `createServerSocket` in interface `RMIServerSocketFactory`
      Parameters:
        `port` - the port number
      Returns:
        the server socket on the specified port
      Throws:
        `IOException` - if an I/O error occurs during server socket creation

    - #### equals

          public boolean equals(Object obj)

      Indicates whether some other object is "equal to" this one.

      Two `SslRMIServerSocketFactory` objects are equal if they have been constructed with the same SSL socket configuration parameters.

      A subclass should override this method (as well as `hashCode()`) if it adds instance state that affects equality.

      Overrides:
        `equals` in class `Object`
      Parameters:
        `obj` - the reference object with which to compare.
      Returns:
        `true` if this object is the same as the obj argument; `false` otherwise.
      See Also:
        `Object.hashCode()`, `Hashtable`

    - #### hashCode

          public int hashCode()

      Returns a hash code value for this `SslRMIServerSocketFactory`.

      Overrides:
        `hashCode` in class `Object`
      Returns:
        a hash code value for this `SslRMIServerSocketFactory`.
      See Also:
        `Object.equals(java.lang.Object)`, `Hashtable`

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