Package com.pd4ml.pdf.encryption

Class SecurityHandlerFactory

java.lang.Object

com.pd4ml.pdf.encryption.SecurityHandlerFactory

public final class SecurityHandlerFactory
extends java.lang.Object

Manages security handlers for the application. It follows the singleton pattern. To be usable, security managers must be registered in it. Security managers are retrieved by the application when necessary.

Author:

Benoit Guillon, John Hewson

Field Summary

Fields

Modifier and Type	Field	Description
static SecurityHandlerFactory	INSTANCE	Singleton instance

Method Summary

Modifier and Type	Method	Description
SecurityHandler<ProtectionPolicy>	newSecurityHandlerForFilter(java.lang.String name)	Returns a new security handler for the given Filter name, or null none is available.
SecurityHandler<ProtectionPolicy>	newSecurityHandlerForPolicy(ProtectionPolicy policy)	Returns a new security handler for the given protection policy, or null none is available.
void	registerHandler(java.lang.String name, java.lang.Class<? extends SecurityHandler> securityHandler, java.lang.Class<? extends ProtectionPolicy> protectionPolicy)	Registers a security handler.

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

INSTANCE

public static final SecurityHandlerFactory INSTANCE

Singleton instance

Method Detail

registerHandler

public void registerHandler(java.lang.String name,
                            java.lang.Class<? extends SecurityHandler> securityHandler,
                            java.lang.Class<? extends ProtectionPolicy> protectionPolicy)

Registers a security handler. If the security handler was already registered an exception is thrown. If another handler was previously registered for the same filter name or for the same policy name, an exception is thrown

Parameters:

name - the name of the filter

securityHandler - security handler class to register

protectionPolicy - protection policy class to register

newSecurityHandlerForPolicy

public SecurityHandler<ProtectionPolicy> newSecurityHandlerForPolicy(ProtectionPolicy policy)

Returns a new security handler for the given protection policy, or null none is available.

Parameters:

policy - the protection policy for which to create a security handler

Returns:

a new SecurityHandler instance, or null if none is available

newSecurityHandlerForFilter

public SecurityHandler<ProtectionPolicy> newSecurityHandlerForFilter(java.lang.String name)

Returns a new security handler for the given Filter name, or null none is available.

Parameters:

name - the Filter name from the PDF encryption dictionary

Returns:

a new SecurityHandler instance, or null if none is available