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Java Source Code / Java Documentation » 6.0 JDK Modules » j2me » java.io 
Source Cross Reference  Class Diagram Java Document (Java Doc) 


java.lang.Object
   java.security.Permission
      java.security.BasicPermission
         java.io.SerializablePermission

SerializablePermission
final public class SerializablePermission extends BasicPermission (Code)
This class is for Serializable permissions. A SerializablePermission contains a name (also referred to as a "target name") but no actions list; you either have the named permission or you don't.

The target name is the name of the Serializable permission (see below).

The following table lists all the possible SerializablePermission target names, and for each provides a description of what the permission allows and a discussion of the risks of granting code the permission.

Permission Target Name What the Permission Allows Risks of Allowing this Permission
enableSubclassImplementation Subclass implementation of ObjectOutputStream or ObjectInputStream to override the default serialization or deserialization, respectively, of objects Code can use this to serialize or deserialize classes in a purposefully malfeasant manner. For example, during serialization, malicious code can use this to purposefully store confidential private field data in a way easily accessible to attackers. Or, during deserializaiton it could, for example, deserialize a class with all its private fields zeroed out.
enableSubstitution Substitution of one object for another during serialization or deserialization This is dangerous because malicious code can replace the actual object with one which has incorrect or malignant data.

See Also:   java.security.BasicPermission
See Also:   java.security.Permission
See Also:   java.security.Permissions
See Also:   java.security.PermissionCollection
See Also:   java.lang.SecurityManager
version:
   1.13, 02/02/00
author:
   Joe Fialli
since:
   1.2




Constructor Summary
public  SerializablePermission(String name)
     Creates a new SerializablePermission with the specified name.
public  SerializablePermission(String name, String actions)
     Creates a new SerializablePermission object with the specified name.



Constructor Detail
SerializablePermission
public SerializablePermission(String name)(Code)
Creates a new SerializablePermission with the specified name. The name is the symbolic name of the SerializablePermission, such as "enableSubstitution", etc.
Parameters:
  name - the name of the SerializablePermission.



SerializablePermission
public SerializablePermission(String name, String actions)(Code)
Creates a new SerializablePermission object with the specified name. The name is the symbolic name of the SerializablePermission, and the actions String is currently unused and should be null.
Parameters:
  name - the name of the SerializablePermission.
Parameters:
  actions - currently unused and must be set to null




Methods inherited from java.security.BasicPermission
public boolean equals(Object obj)(Code)(Java Doc)
public String getActions()(Code)(Java Doc)
public int hashCode()(Code)(Java Doc)
public boolean implies(Permission p)(Code)(Java Doc)
public PermissionCollection newPermissionCollection()(Code)(Java Doc)

Methods inherited from java.security.Permission
public void checkGuard(Object object) throws SecurityException(Code)(Java Doc)
abstract public boolean equals(Object obj)(Code)(Java Doc)
abstract public String getActions()(Code)(Java Doc)
final public String getName()(Code)(Java Doc)
abstract public int hashCode()(Code)(Java Doc)
abstract public boolean implies(Permission permission)(Code)(Java Doc)
public PermissionCollection newPermissionCollection()(Code)(Java Doc)
public String toString()(Code)(Java Doc)

Methods inherited from java.lang.Object
public boolean equals(Object obj)(Code)(Java Doc)
final native public Class getClass()(Code)(Java Doc)
native public int hashCode()(Code)(Java Doc)
final native public void notify()(Code)(Java Doc)
final native public void notifyAll()(Code)(Java Doc)
public String toString()(Code)(Java Doc)
final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc)
final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc)
final public void wait() throws InterruptedException(Code)(Java Doc)

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