Package i5.las2peer.persistency

Class EnvelopeImpl

java.lang.Object

i5.las2peer.persistency.EnvelopeImpl

All Implemented Interfaces:

Envelope

public class EnvelopeImpl
extends Object
implements Envelope

Constructor Summary

Constructors

Constructor	Description
EnvelopeImpl(EnvelopeVersion currentVersion, AgentContext context)
EnvelopeImpl(String identifier, AgentImpl signingAgent)

Method Summary

Modifier and Type	Method	Description
void	addReader(Agent agent)	Adds a reader to the envelope.
Serializable	getContent()	Get the content.
String	getIdentifier()	Get the identifier of the envelope.
String	getOwnerId()	Get the id of the owner (signing agent) of this envelope.
Set<AgentImpl>	getReaderToAdd()
Set<AgentImpl>	getReaderToRevoke()
boolean	getRevokeAllReaders()
EnvelopeVersion	getVersion()
boolean	hasReader(Agent agent)	Checks if the given agent is direct reader of this envelope.
boolean	isPrivate()	Checks if the content is private (encrypted).
void	revokeReader(Agent agent)	Removes a reader from the envelope.
void	setContent(Serializable content)	Set the content.
void	setPublic()	Removes all readers from this envelope and makes the contents available for everyone (the content is not encrypted in this case).
void	setVersion(EnvelopeVersion v)

Methods inherited from class java.lang.Object

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

Constructor Details

EnvelopeImpl

public EnvelopeImpl(String identifier,
 AgentImpl signingAgent)
             throws EnvelopeAccessDeniedException

Throws:

EnvelopeAccessDeniedException

EnvelopeImpl

public EnvelopeImpl(EnvelopeVersion currentVersion,
 AgentContext context)
             throws CryptoException,
EnvelopeAccessDeniedException,
SerializationException

Throws:

CryptoException

EnvelopeAccessDeniedException

SerializationException

Method Details

getIdentifier

public String getIdentifier()

Description copied from interface: Envelope

Get the identifier of the envelope.

Specified by:

getIdentifier in interface Envelope

Returns:

The identifier.

getContent

public Serializable getContent()

Description copied from interface: Envelope

Get the content.

Specified by:

getContent in interface Envelope

Returns:

The decrypted content.

setContent

public void setContent(Serializable content)

Description copied from interface: Envelope

Set the content. After modifying the envelope, it should be stored using the Context.storeEnvelope(i5.las2peer.api.persistency.Envelope, i5.las2peer.api.security.Agent).

Specified by:

setContent in interface Envelope

Parameters:

content - The content to set

addReader

public void addReader(Agent agent)

Description copied from interface: Envelope

Adds a reader to the envelope.

Specified by:

addReader in interface Envelope

Parameters:

agent - The new reader.

revokeReader

public void revokeReader(Agent agent)

Description copied from interface: Envelope

Removes a reader from the envelope. Notice that the removed reader still has access to older versions of this envelope in the network due to consequences of a p2p network. However, the agent cannot read future changes.

Specified by:

revokeReader in interface Envelope

Parameters:

agent - The reader to remove.

hasReader

public boolean hasReader(Agent agent)

Description copied from interface: Envelope

Checks if the given agent is direct reader of this envelope. This method does not check for transitive access (e.g. via GroupAgents).

Specified by:

hasReader in interface Envelope

Parameters:

agent - The agent to check.

Returns:

True, if the given agent is a reader of this envelope.

setPublic

public void setPublic()

Description copied from interface: Envelope

Removes all readers from this envelope and makes the contents available for everyone (the content is not encrypted in this case).

Specified by:

setPublic in interface Envelope

isPrivate

public boolean isPrivate()

Description copied from interface: Envelope

Checks if the content is private (encrypted).

Specified by:

isPrivate in interface Envelope

Returns:

True, if the content is private.

getReaderToAdd

public Set<AgentImpl> getReaderToAdd()

getReaderToRevoke

public Set<AgentImpl> getReaderToRevoke()

getRevokeAllReaders

public boolean getRevokeAllReaders()

getVersion

public EnvelopeVersion getVersion()

setVersion

public void setVersion(EnvelopeVersion v)

getOwnerId

public String getOwnerId()

Description copied from interface: Envelope

Get the id of the owner (signing agent) of this envelope.

Specified by:

getOwnerId in interface Envelope

Returns:

Agent id of the owner.