net.sourceforge.openstego

Class WatermarkingPlugin

java.lang.Object

net.sourceforge.openstego.OpenStegoPlugin

net.sourceforge.openstego.WatermarkingPlugin

public abstract class WatermarkingPlugin
extends OpenStegoPlugin

Abstract class for stego plugins for OpenStego purpose of which is watermarking. It implements few methods which are specific for watermarking, and provides dummy implementation for the methods which are specific to data hiding purposes so that sub-class does not need to implement them

See Also:

DataHidingPlugin

Field Summary

Fields inherited from class net.sourceforge.openstego.OpenStegoPlugin

config, PURPOSE_DATA_HIDING, PURPOSE_WATERMARKING

Constructor Summary

Constructors

Constructor and Description
WatermarkingPlugin()

Method Summary

Modifier and Type	Method and Description
boolean	canHandle(byte[] stegoData) Method to find out whether given stego data can be handled by this plugin or not.
java.lang.String	extractMsgFileName(byte[] stegoData, java.lang.String stegoFileName) Method to extract the message file name from the stego data.
java.util.List	getPurposes() Gives the purpose(s) of the plugin.

Methods inherited from class net.sourceforge.openstego.OpenStegoPlugin

checkMark, createConfig, createConfig, createConfig, embedData, extractData, generateSignature, getConfig, getConfigClass, getDescription, getDiff, getEmbedOptionsUI, getName, getPurposesLabel, getReadableFileExtensions, getUsage, getWatermarkCorrelation, getWritableFileExtensions, populateStdCmdLineOptions

Methods inherited from class java.lang.Object

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

Constructor Detail

WatermarkingPlugin

public WatermarkingPlugin()

Method Detail

getPurposes

public final java.util.List getPurposes()

Gives the purpose(s) of the plugin. This implementation returns only one value - Watermarking

Specified by:

getPurposes in class OpenStegoPlugin

Returns:

Purpose(s) of the plugin

extractMsgFileName

public final java.lang.String extractMsgFileName(byte[] stegoData,
                                                 java.lang.String stegoFileName)
                                          throws OpenStegoException

Method to extract the message file name from the stego data. This implementation returns null as this class is for watermarking plugins only

Specified by:

extractMsgFileName in class OpenStegoPlugin

Parameters:

stegoData - Stego data containing the message

stegoFileName - Name of the stego file

Returns:

Message file name

Throws:

OpenStegoException

canHandle

public final boolean canHandle(byte[] stegoData)

Method to find out whether given stego data can be handled by this plugin or not. This implementation returns false as this class is for watermarking plugins only

Specified by:

canHandle in class OpenStegoPlugin

Parameters:

stegoData - Stego data containing the message

Returns:

Boolean indicating whether the stego data can be handled by this plugin or not