org.blojsom.plugin.comment
Class MathCommentAuthenticationPlugin

java.lang.Object
  org.blojsom.plugin.comment.CommentModerationPlugin
      org.blojsom.plugin.comment.MathCommentAuthenticationPlugin

All Implemented Interfaces:

Listener, Plugin

public class MathCommentAuthenticationPlugin

extends CommentModerationPlugin

implements Listener

Math comment authenticator plugin

Since:

blojsom 3.0

Version:

$Id: MathCommentAuthenticationPlugin.java,v 1.5 2007/01/17 02:35:08 czarneckid Exp $

Author:

David Czarnecki

Field Summary

static java.lang.String	BLOJSOM_MATH_AUTHENTICATOR_PLUGIN_ANSWER
static java.lang.String	BLOJSOM_MATH_AUTHENTICATOR_PLUGIN_ANSWER_CHECK_PARAM
static java.lang.String	BLOJSOM_MATH_AUTHENTICATOR_PLUGIN_OPERATION
static java.lang.String	BLOJSOM_MATH_AUTHENTICATOR_PLUGIN_STATUS_MESSAGE
static java.lang.String	BLOJSOM_MATH_AUTHENTICATOR_PLUGIN_VALUE1
static java.lang.String	BLOJSOM_MATH_AUTHENTICATOR_PLUGIN_VALUE2

Fields inherited from class org.blojsom.plugin.comment.CommentModerationPlugin

BLOJSOM_COMMENT_MODERATION_PLUGIN_APPROVED, COMMENT_MODERATION_ENABLED

Constructor Summary

MathCommentAuthenticationPlugin()
Math comment authenticator plugin

Method Summary

protected int	getAnswerForOperation(int value1, int value2, int operation) Return the result from the specified operation where 0 = addition, 1 = subtraction, 2 = multiplication
protected java.lang.String	getOperatorForOperation(int operation) Return the appropriate operator for the operation
void	handleEvent(Event event) Handle an event broadcast from another component
void	init() Initialize this plugin.
protected void	moderateComment(javax.servlet.http.HttpServletRequest httpServletRequest, javax.servlet.http.HttpServletResponse httpServletResponse, Blog blog, java.util.Map context, Entry[] entries) Simple check to see if comment moderation is enabled
Entry[]	process(javax.servlet.http.HttpServletRequest httpServletRequest, javax.servlet.http.HttpServletResponse httpServletResponse, Blog blog, java.util.Map context, Entry[] entries) Process the blog entries
void	processEvent(Event event) Process an event from another component
void	setEventBroadcaster(EventBroadcaster eventBroadcaster) Set the EventBroadcaster to use

Methods inherited from class org.blojsom.plugin.comment.CommentModerationPlugin

cleanup, destroy

Methods inherited from class java.lang.Object

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

Field Detail

BLOJSOM_MATH_AUTHENTICATOR_PLUGIN_ANSWER

public static final java.lang.String BLOJSOM_MATH_AUTHENTICATOR_PLUGIN_ANSWER

See Also:

Constant Field Values

BLOJSOM_MATH_AUTHENTICATOR_PLUGIN_VALUE1

public static final java.lang.String BLOJSOM_MATH_AUTHENTICATOR_PLUGIN_VALUE1

See Also:

Constant Field Values

BLOJSOM_MATH_AUTHENTICATOR_PLUGIN_VALUE2

public static final java.lang.String BLOJSOM_MATH_AUTHENTICATOR_PLUGIN_VALUE2

See Also:

Constant Field Values

BLOJSOM_MATH_AUTHENTICATOR_PLUGIN_OPERATION

public static final java.lang.String BLOJSOM_MATH_AUTHENTICATOR_PLUGIN_OPERATION

See Also:

Constant Field Values

BLOJSOM_MATH_AUTHENTICATOR_PLUGIN_ANSWER_CHECK_PARAM

public static final java.lang.String BLOJSOM_MATH_AUTHENTICATOR_PLUGIN_ANSWER_CHECK_PARAM

See Also:

Constant Field Values

BLOJSOM_MATH_AUTHENTICATOR_PLUGIN_STATUS_MESSAGE

public static final java.lang.String BLOJSOM_MATH_AUTHENTICATOR_PLUGIN_STATUS_MESSAGE

See Also:

Constant Field Values

Constructor Detail

MathCommentAuthenticationPlugin

public MathCommentAuthenticationPlugin()

Math comment authenticator plugin

Method Detail

setEventBroadcaster

public void setEventBroadcaster(EventBroadcaster eventBroadcaster)

Set the EventBroadcaster to use

Parameters:

eventBroadcaster - EventBroadcaster

init

public void init()
          throws PluginException

Initialize this plugin. This method only called when the plugin is instantiated.

Specified by:

init in interface Plugin

Overrides:

init in class CommentModerationPlugin

Throws:

PluginException - If there is an error initializing the plugin

process

public Entry[] process(javax.servlet.http.HttpServletRequest httpServletRequest,
                       javax.servlet.http.HttpServletResponse httpServletResponse,
                       Blog blog,
                       java.util.Map context,
                       Entry[] entries)
                throws PluginException

Process the blog entries

Specified by:

process in interface Plugin

Overrides:

process in class CommentModerationPlugin

Parameters:

httpServletRequest - Request

httpServletResponse - Response

blog - Blog instance

context - Context

entries - Blog entries retrieved for the particular request

Returns:

Modified set of blog entries

Throws:

PluginException - If there is an error processing the blog entries

moderateComment

protected void moderateComment(javax.servlet.http.HttpServletRequest httpServletRequest,
                               javax.servlet.http.HttpServletResponse httpServletResponse,
                               Blog blog,
                               java.util.Map context,
                               Entry[] entries)
                        throws PluginException

Simple check to see if comment moderation is enabled

Overrides:

moderateComment in class CommentModerationPlugin

Parameters:

httpServletRequest - Request

httpServletResponse - Response

blog - Blog instance

context - Context

entries - Blog entries retrieved for the particular request

Throws:

PluginException - If there is an error in moderating a comment

getAnswerForOperation

protected int getAnswerForOperation(int value1,
                                    int value2,
                                    int operation)

Return the result from the specified operation where 0 = addition, 1 = subtraction, 2 = multiplication

Parameters:

value1 - Value 1

value2 - Value 2

operation - Operation where 0 = addition, 1 = subtraction, 2 = multiplication

Returns:

Value of operation

getOperatorForOperation

protected java.lang.String getOperatorForOperation(int operation)

Return the appropriate operator for the operation

Parameters:

operation - Operation where 0 = addition, 1 = subtraction, 2 = multiplication

Returns:

+ for addition, - for subtraction, and * for multiplication

handleEvent

public void handleEvent(Event event)

Handle an event broadcast from another component

Specified by:

handleEvent in interface Listener

Parameters:

event - Event to be handled

processEvent

public void processEvent(Event event)

Process an event from another component

Specified by:

processEvent in interface Listener

Parameters:

event - Event to be handled