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## javax.net.ssl
Class TrustManagerFactorySpi

    java.lang.Object
      javax.net.ssl.TrustManagerFactorySpi

    public abstract class TrustManagerFactorySpi

extends Object

This class defines the Service Provider Interface (SPI) for the `TrustManagerFactory` class.

All the abstract methods in this class must be implemented by each cryptographic service provider who wishes to supply the implementation of a particular trust manager factory.

Since:
  1.4
See Also:
  `TrustManagerFactory`, `TrustManager`

Constructor Summary
`TrustManagerFactorySpi()`

Method Summary
`protected abstract TrustManager[]` | `engineGetTrustManagers()` Returns one trust manager for each type of trust material.
`protected abstract void` | `engineInit(KeyStore ks)` Initializes this factory with a source of certificate authorities and related trust material.
`protected abstract void` | `engineInit(ManagerFactoryParameters spec)` Initializes this factory with a source of provider-specific key material.

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

Constructor Detail

### TrustManagerFactorySpi

    public TrustManagerFactorySpi()

Method Detail

### engineInit

    protected abstract void engineInit(KeyStore ks)
                                throws KeyStoreException

  Initializes this factory with a source of certificate authorities and related trust material.

  Parameters:
    `ks` - the key store or null
  Throws:
    `KeyStoreException` - if this operation fails
  See Also:
    `TrustManagerFactory.init(KeyStore)`

### engineInit

    protected abstract void engineInit(ManagerFactoryParameters spec)
                                throws InvalidAlgorithmParameterException

  Initializes this factory with a source of provider-specific key material.

  In some cases, initialization parameters other than a keystore may be needed by a provider. Users of that particular provider are expected to pass an implementation of the appropriate `ManagerFactoryParameters` as defined by the provider. The provider can then call the specified methods in the `ManagerFactoryParameters` implementation to obtain the needed information.

  Parameters:
    `spec` - an implementation of a provider-specific parameter specification
  Throws:
    `InvalidAlgorithmParameterException` - if there is problem with the parameters
  See Also:
    `TrustManagerFactory.init(ManagerFactoryParameters spec)`

### engineGetTrustManagers

    protected abstract TrustManager[] engineGetTrustManagers()

  Returns one trust manager for each type of trust material.

  Returns:
    the trust managers

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