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Class java.security.Provider - JDK 5 Documentation v1.1.8, Java 2 SDK 英文文档

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Class java.security.Provider

java.lang.Object
   |
   +----java.util.Dictionary
           |
           +----java.util.Hashtable
                   |
                   +----java.util.Properties
                           |
                           +----java.security.Provider

public abstract class Provider
extends Properties
This class represents a "provider" for the Java Security API. A provider implements some or all parts of Java Security, including:

Each provider has a name and a version number, and is configured in each runtime it is installed in.

There is a default provider that comes standard with the JDK. It is called the SUN Provider. See The Provider Class in the "Java Cryptography Architecture API Specification & Reference" for information about how providers work and how to install them.


Constructor Index

 o Provider(String, double, String)
Constructs a provider with the specified name, version number, and information.

Method Index

 o getInfo()
Returns a human-readable description of the provider and its services.
 o getName()
Returns the name of this provider.
 o getVersion()
Returns the version number for this provider.
 o toString()
Returns a string with the name and the version number of this provider.

Constructors

 o Provider
 protected Provider(String name,
                    double version,
                    String info)
Constructs a provider with the specified name, version number, and information.

Parameters:
name - the provider name.
version - the provider version number.
info - a description of the provider and its services.

Methods

 o getName
 public String getName()
Returns the name of this provider.

Returns:
the name of this provider.
 o getVersion
 public double getVersion()
Returns the version number for this provider.

Returns:
the version number for this provider.
 o getInfo
 public String getInfo()
Returns a human-readable description of the provider and its services. This may return an HTML page, with relevant links.

Returns:
a description of the provider and its services.
 o toString
 public String toString()
Returns a string with the name and the version number of this provider.

Returns:
the string with the name and the version number for this provider.
Overrides:
toString in class Hashtable

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