Package com.adobe.internal.pdftoolkit.core.permissionprovider

Class PermissionProviderStandard

java.lang.Object

com.adobe.internal.pdftoolkit.core.permissionprovider.PermissionProviderStandard

All Implemented Interfaces:

PermissionProvider, BitwiseOperandEvaluator

public class PermissionProviderStandard
extends Object
implements PermissionProvider, BitwiseOperandEvaluator

This class implements the Encryption PermissionProvider.

Field Summary

Fields inherited from interface com.adobe.internal.pdftoolkit.core.permissionprovider.PermissionProvider

DOC_MDP, SECURITY, UP, UR, XFA

Constructor Summary

Constructors

Constructor	Description
PermissionProviderStandard(int perms)	constructor for PermissionProviderStandard.

Method Summary

Modifier and Type	Method	Description
boolean	evaluate(String operandVar)	This is the callback from the BitwiseExpressionEvaluator which is called for each Pemission Param.
int	getPermissionBits()	This method returns an integer whose bits represent different permissions allowed or disallowed.
boolean	isPermitted(ObjectOperations objOpr)	Determines whether the given object operation combination is permitted on a given document.
static PermissionProviderStandard	newInstance(PermissionProvider provider)	Constructs a new instance of PermissionProviderStandard with the same permissions allowed in passed provider here.

Methods inherited from class java.lang.Object

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

Constructor Details

PermissionProviderStandard

public PermissionProviderStandard(int perms)

constructor for PermissionProviderStandard. It loads the permissions data that we got from the Acrobat Permissions document.

Method Details

newInstance

public static PermissionProviderStandard newInstance(PermissionProvider provider)
                                              throws PDFUnableToCompleteOperationException

Constructs a new instance of PermissionProviderStandard with the same permissions allowed in passed provider here.

Throws:

PDFUnableToCompleteOperationException

getPermissionBits

public int getPermissionBits()

This method returns an integer whose bits represent different permissions allowed or disallowed.

isPermitted

public boolean isPermitted(ObjectOperations objOpr)

Determines whether the given object operation combination is permitted on a given document.

Specified by:

isPermitted in interface PermissionProvider

Parameters:

objOpr - a valid combination of object/operations available in Acrobat 7.0 Professional.

Returns:

boolean Only the valid object operations are allowed as input paramater.

evaluate

public boolean evaluate(String operandVar)
                 throws InvalidOperandException

This is the callback from the BitwiseExpressionEvaluator which is called for each Pemission Param.

Specified by:

evaluate in interface BitwiseOperandEvaluator

Throws:

InvalidOperandException

See Also:

• BitwiseOperandEvaluator.evaluate(java.lang.String)