IT. Expert System.

All Implemented Interfaces:

Serializable, Cloneable, Map<Object,Object>

Direct Known Subclasses:

AndroidKeyStoreProvider, AuthProvider, CryptoProvider, DRLCertFactory, JSSEProvider, MyProvider, OpenSSLProvider, Provider2Test.MockProvider, SpiEngUtils.MyProvider, TestCertUtils.TestProvider

public abstract class Provider
extends Properties

See Also:

Serialized Form

• Nested Class Summary

  Nested Classes

  Modifier and Type	Class and Description
  static class	Provider.Service Service represents a service in the Java Security infrastructure.

  • Nested classes/interfaces inherited from interface java.util.Map

    Map.Entry<K,V>

• Field Summary

  • Fields inherited from class java.util.Properties

    defaults

• Constructor Summary

  Constructors

  Modifier	Constructor and Description
  protected	Provider(String name, double version, String info) Constructs a new instance of Provider with its name, version and description.

• Method Summary

  Methods

  Modifier and Type	Method and Description
  void	clear() Clears all properties used to look up services implemented by this Provider.
  Set<Map.Entry<Object,Object>>	entrySet() Returns a set of the mappings contained in this Hashtable.
  String	getInfo() Returns a description of the services being provided.
  String	getName() Returns the name of this provider.
  Provider.Service	getService(String type, String algorithm) Returns the service with the specified type implementing the specified algorithm, or null if no such implementation exists.
  Set<Provider.Service>	getServices() Returns an unmodifiable Set of all services registered by this provider.
  double	getVersion() Returns the version number for the services being provided.
  Set<Object>	keySet() Returns a set of the keys contained in this Hashtable.
  void	load(InputStream inStream) Loads properties from the specified InputStream, assumed to be ISO-8859-1.
  Object	put(Object key, Object value) Maps the specified key property name to the specified value.
  void	putAll(Map<?,?> t) Copies all from the provided map to this Provider.
  protected void	putService(Provider.Service s) Adds a Service to this Provider.
  Object	remove(Object key) Removes the specified key and its associated value from this Provider.
  protected void	removeService(Provider.Service s) Removes a previously registered Service from this Provider.
  String	toString() Returns a string containing a concise, human-readable description of this Provider including its name and its version.
  Collection<Object>	values() Returns a collection of the values contained in this Hashtable.

  • Methods inherited from class java.util.Properties

    getProperty, getProperty, list, list, load, loadFromXML, propertyNames, save, setProperty, store, store, storeToXML, storeToXML, stringPropertyNames

  • Methods inherited from class java.util.Hashtable

    clone, contains, containsKey, containsValue, elements, equals, get, hashCode, isEmpty, keys, rehash, size

  • Methods inherited from class java.lang.Object

    finalize, getClass, notify, notifyAll, wait, wait, wait

• Constructor Detail

  • Provider

    protected Provider(String name,
            double version,
            String info)

    Constructs a new instance of Provider with its name, version and description.

    Parameters:

    name - the name of the provider.

    version - the version of the provider.

    info - a description of the provider.

• Method Detail

  • getName

    public String getName()

    Returns the name of this provider.

    Returns:

    the name of this provider.

  • getVersion

    public double getVersion()

    Returns the version number for the services being provided.

    Returns:

    the version number for the services being provided.

  • getInfo

    public String getInfo()

    Returns a description of the services being provided.

    Returns:

    a description of the services being provided.

  • toString

    public String toString()

    Returns a string containing a concise, human-readable description of this Provider including its name and its version.

    Overrides:

    toString in class Hashtable<Object,Object>

    Returns:

    a printable representation for this Provider.

  • clear

    public void clear()

    Clears all properties used to look up services implemented by this Provider.

    Specified by:

    clear in interface Map<Object,Object>

    Overrides:

    clear in class Hashtable<Object,Object>

    See Also:

    Hashtable.isEmpty(), Hashtable.size

  • load

    public void load(InputStream inStream)
              throws IOException

    Description copied from class: Properties
    Loads properties from the specified InputStream, assumed to be ISO-8859-1. See "Character Encoding".

    Overrides:

    load in class Properties

    Parameters:

    inStream - the InputStream

    Throws:

    IOException

  • putAll

    public void putAll(Map<?,?> t)

    Copies all from the provided map to this Provider.

    Specified by:

    putAll in interface Map<Object,Object>

    Overrides:

    putAll in class Hashtable<Object,Object>

    Parameters:

    t - the mappings to copy to this provider.

  • entrySet

    public Set<Map.Entry<Object,Object>> entrySet()

    Description copied from class: Hashtable
    Returns a set of the mappings contained in this Hashtable. Each element in the set is a Map.Entry. The set is backed by this Hashtable so changes to one are reflected by the other. The set does not support adding.

    Specified by:

    entrySet in interface Map<Object,Object>

    Overrides:

    entrySet in class Hashtable<Object,Object>

    Returns:

    a set of the mappings.

  • keySet

    public Set<Object> keySet()

    Description copied from class: Hashtable
    Returns a set of the keys contained in this Hashtable. The set is backed by this Hashtable so changes to one are reflected by the other. The set does not support adding.

    Specified by:

    keySet in interface Map<Object,Object>

    Overrides:

    keySet in class Hashtable<Object,Object>

    Returns:

    a set of the keys.

  • values

    public Collection<Object> values()

    Description copied from class: Hashtable
    Returns a collection of the values contained in this Hashtable. The collection is backed by this Hashtable so changes to one are reflected by the other. The collection does not support adding.

    Specified by:

    values in interface Map<Object,Object>

    Overrides:

    values in class Hashtable<Object,Object>

    Returns:

    a collection of the values.

  • put

    public Object put(Object key,
             Object value)

    Maps the specified key property name to the specified value.

    Specified by:

    put in interface Map<Object,Object>

    Overrides:

    put in class Hashtable<Object,Object>

    Parameters:

    key - the name of the property.

    value - the value of the property.

    Returns:

    the value that was previously mapped to the specified key ,or null if it did not have one.

    See Also:

    Hashtable.elements(), Hashtable.get(java.lang.Object), Hashtable.keys(), Object.equals(java.lang.Object)

  • remove

    public Object remove(Object key)

    Removes the specified key and its associated value from this Provider.

    Specified by:

    remove in interface Map<Object,Object>

    Overrides:

    remove in class Hashtable<Object,Object>

    Parameters:

    key - the name of the property

    Returns:

    the value that was mapped to the specified key ,or null if no mapping was present

    See Also:

    Hashtable.get(java.lang.Object), Hashtable.put(K, V)

  • getService

    public Provider.Service getService(String type,
                              String algorithm)

    Returns the service with the specified type implementing the specified algorithm, or null if no such implementation exists.

    If two services match the requested type and algorithm, the one added with the putService(Service) is returned (as opposed to the one added via put(Object, Object).

    Parameters:

    type - the type of the service (for example KeyPairGenerator)

    algorithm - the algorithm name (case insensitive)

    Returns:

    the requested service, or null if no such implementation exists

  • getServices

    public Set<Provider.Service> getServices()

    Returns an unmodifiable Set of all services registered by this provider.

    Returns:

    an unmodifiable Set of all services registered by this provider

  • putService

    protected void putService(Provider.Service s)

    Adds a Service to this Provider. If a service with the same name was registered via this method, it is replace.

    Parameters:

    s - the Service to register

  • removeService

    protected void removeService(Provider.Service s)

    Removes a previously registered Service from this Provider.

    Parameters:

    s - the Service to remove

    Throws:

    NullPointerException - if s is null