org.apache.pdfbox.pdmodel.encryption

Class SecurityHandlersManager

java.lang.Object

org.apache.pdfbox.pdmodel.encryption.SecurityHandlersManager

public class SecurityHandlersManager
extends Object

This class 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.

Version:

$Revision: 1.3 $

Author:

Benoit Guillon (benoit.guillon@snv.jussieu.fr)

Method Summary

Methods

Modifier and Type	Method and Description
static SecurityHandlersManager	getInstance() Get the singleton instance.
SecurityHandler	getSecurityHandler(ProtectionPolicy policy) Get the security handler for the protection policy.
SecurityHandler	getSecurityHandler(String filterName) Retrieve the appropriate SecurityHandler for a the given filter name.
void	registerHandler(String filterName, Class securityHandlerClass, Class protectionPolicyClass) register a security handler.

Methods inherited from class java.lang.Object

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

Method Detail

registerHandler

public void registerHandler(String filterName,
                   Class securityHandlerClass,
                   Class protectionPolicyClass)
                     throws BadSecurityHandlerException

register 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:

filterName - The name of the filter.

securityHandlerClass - Security Handler class to register.

protectionPolicyClass - Protection Policy class to register.

Throws:

BadSecurityHandlerException - If there is an error registering the security handler.

getInstance

public static SecurityHandlersManager getInstance()

Get the singleton instance.

Returns:

The SecurityHandlersManager.

getSecurityHandler

public SecurityHandler getSecurityHandler(ProtectionPolicy policy)
                                   throws BadSecurityHandlerException

Get the security handler for the protection policy.

Parameters:

policy - The policy to get the security handler for.

Returns:

The appropriate security handler.

Throws:

BadSecurityHandlerException - If it is unable to create a SecurityHandler.

getSecurityHandler

public SecurityHandler getSecurityHandler(String filterName)
                                   throws BadSecurityHandlerException

Retrieve the appropriate SecurityHandler for a the given filter name. The filter name is an entry of the encryption dictionary of an encrypted document.

Parameters:

filterName - The filter name.

Returns:

The appropriate SecurityHandler if it exists.

Throws:

BadSecurityHandlerException - If the security handler does not exist.