All Known Implementing Classes:

ExtensionActiveScan, ExtensionAdaptor, ExtensionAlert, ExtensionAntiCSRF, ExtensionAPI, ExtensionAuthentication, ExtensionAuthorization, ExtensionAutoUpdate, ExtensionBreak, ExtensionCallback, ExtensionCompare, ExtensionCustomPages, ExtensionDynSSL, ExtensionEdit, ExtensionExtension, ExtensionForcedUser, ExtensionGlobalExcludeURL, ExtensionHelp, ExtensionHistory, ExtensionHttpPanelComponentAll, ExtensionHttpPanelHexView, ExtensionHttpPanelImageView, ExtensionHttpPanelLargeRequestView, ExtensionHttpPanelLargeResponseView, ExtensionHttpPanelRequestFormTableView, ExtensionHttpPanelRequestQueryCookieTableView, ExtensionHttpPanelSyntaxHighlightTextView, ExtensionHttpSessions, ExtensionKeyboard, ExtensionLog4j, ExtensionManualRequestEditor, ExtensionOption, ExtensionParams, ExtensionPassiveScan, ExtensionProxies, ExtensionRequestPostTableView, ExtensionRuleConfig, ExtensionScript, ExtensionSearch, ExtensionSessionManagement, ExtensionSitesRefresh, ExtensionSpider, ExtensionState, ExtensionStats, ExtensionStdMenus, ExtensionUiUtils, ExtensionUserManagement
```
public interface Extension
```
Life cycle for an extension . init . initModel - the extension obtain the data model . initXML . getExtensionHook - workbench obtain the view of the plugin . start() . stop() . May go back to 5 depending on options or menu chosen. . destroy

Method Summary

All Methods Instance Methods Abstract Methods Default Methods Deprecated Methods
Modifier and Type	Method	Description
`boolean`	`canUnload()`
`void`	`databaseOpen(Database db)`	Implement this method to register database tables to be used by the add-on
`void`	`destroy()`	Performs final cleanups, free resources.
`java.util.List<java.lang.String>`	`getActiveActions()`	Returns the (internationalised) names of all active actions of the extension - if there are any the user will be given the option not to exit ZAP or, if the extension is bundled in an add-on that's being updated or uninstalled, not to continue with the changes.
`AddOn`	`getAddOn()`	Returns the add-on where this extension is bundled.
`default java.lang.String`	`getAuthor()`	Gets the author of the extension.
`java.util.List<java.lang.Class<? extends Extension>>`	`getDependencies()`	Gets the list of `Extension`s that this extension depends on.
`java.lang.String`	`getDescription()`	Returns the description of the extension, to be shown in UI components.
`java.lang.String`	`getI18nPrefix()`
`java.util.ResourceBundle`	`getMessages()`	Gets the resource bundle of the extension.
`Model`	`getModel()`
`java.lang.String`	`getName()`	Returns the name of the extension, for configurations and access from other components (e.g.
`int`	`getOrder()`
`java.lang.String`	`getUIName()`	Returns a short descriptive name of the extension, to be shown in UI components.
`java.util.List<java.lang.String>`	`getUnsavedResources()`	Extensions should return the user friendly names of any unsaved resources - if there are any the user will be given the option not to exit ZAP or, if the extension is bundled in an add-on that's being updated or uninstalled, not to continue with the changes.
`default java.net.URL`	`getURL()`	Gets the URL to info about the extension.
`default Version`	`getVersion()`	Deprecated. (2.8.0) Don't override, not used.
`ViewDelegate`	`getView()`
`void`	`hook(ExtensionHook hook)`	Called during extension's initialisation to allow to add new functionality to core components.
`void`	`init()`	Initialize plugin during startup.
`void`	`initModel(Model model)`	Initialization of plugin after obtaining data model from core.
`void`	`initView(ViewDelegate view)`
`void`	`initXML(Session session, OptionsParam options)`	Initialize session and options parameter if required XML node not in either files.
`boolean`	`isCore()`
`boolean`	`isDepreciated()`
`boolean`	`isEnabled()`	Tells whether or not this extension is enabled.
`void`	`optionsLoaded()`	Called after the options for this extension have been loaded, so that the extension can make use of them.
`void`	`postInit()`	Implement this method to perform tasks after all extensions/add-ons have been initialised.
`void`	`postInstall()`	Implement this method to perform tasks after the add-on is installed.
`void`	`setAddOn(AddOn addOn)`	Sets the add-on where this extension is bundled.
`void`	`setEnabled(boolean enabled)`	Sets whether or not this extension is enabled.
`void`	`setI18nPrefix(java.lang.String prefix)`
`void`	`setMessages(java.util.ResourceBundle messages)`	Sets the resource bundle of the extension.
`void`	`setOrder(int order)`
`void`	`start()`	Start the plugin e.g.
`void`	`stop()`	Stops the extension, e.g.
`boolean`	`supportsDb(java.lang.String type)`	Return true if the specified db type is supported by the extension (or if it doesn't use any db) If this method returns false (meaning the db in use is not supported) then the extension will not be loaded.
`boolean`	`supportsLowMemory()`	Return true it the extension can run with the 'low memory' option.
`void`	`unload()`	Unloads any component manually added to ZAP or other extensions (that is, a component that was not added through the `ExtensionHook`).

- Method Detail
  - getName
```
java.lang.String getName()
```
    Returns the name of the extension, for configurations and access from other components (e.g. extensions).
    
    Returns:
    
    the name of the extension, never null
    
    See Also:
    
    getUIName()
  - getUIName
```
java.lang.String getUIName()
```
    Returns a short descriptive name of the extension, to be shown in UI components. The name must be internationalised.
    
    Returns:
    
    the UI name of the extension, never null
    
    Since:
    
    2.4.0
    
    See Also:
    
    getName(), getDescription()
  - getDescription
```
java.lang.String getDescription()
```
    Returns the description of the extension, to be shown in UI components. The description must be internationalised.
    
    Returns:
    
    the description of the extension, never null
  - getVersion
```
@Deprecated
default Version getVersion()
```
    Deprecated.
    (2.8.0) Don't override, not used.
    
    Returns the (semantic) version of this extension, null if not versioned
    
    Returns:
    
    the version of the extension, or null if not versioned
    
    Since:
    
    2.4.0
  - init
```
void init()
```
    Initialize plugin during startup. This phase is carried out before all others.
  - initModel
```
void initModel(Model model)
```
    Initialization of plugin after obtaining data model from core. Method should not depend on view.
    
    Parameters:
    
    model - the model
  - initView
```
void initView(ViewDelegate view)
```
  - getModel
```
Model getModel()
```
  - getView
```
ViewDelegate getView()
```
  - start
```
void start()
```
    Start the plugin e.g. if there is a running server.
  - stop
```
void stop()
```
    Stops the extension, e.g. running scans, processes, servers.
    Called when the extension is removed (i.e. corresponding add-on is uninstalled) and when ZAP shuts down.
    Should be called only by core functionality.
    
    See Also:
    
    destroy()
  - destroy
```
void destroy()
```
    Performs final cleanups, free resources.
    Called when the extension is removed (i.e. corresponding add-on is uninstalled) and when ZAP shuts down.
    Called after stopping the extension.
    Should be called only by core functionality.
  - initXML
```
void initXML(Session session,
             OptionsParam options)
```
    Initialize session and options parameter if required XML node not in either files.
    
    Parameters:
    
    session - the current session
    
    options - the options
  - hook
```
void hook(ExtensionHook hook)
```
    Called during extension's initialisation to allow to add new functionality to core components.
    
    Parameters:
    
    hook - the hook to add the components.
  - isDepreciated
```
boolean isDepreciated()
```
  - getOrder
```
int getOrder()
```
  - setOrder
```
void setOrder(int order)
```
  - isEnabled
```
boolean isEnabled()
```
    Tells whether or not this extension is enabled.
    Extensions might be disabled by the user (for example, through GUI), or, automatically during loading if all its dependencies are not fulfilled.
    
    Returns:
    
    true if the extension is enabled, false otherwise.
  - setEnabled
```
void setEnabled(boolean enabled)
```
    Sets whether or not this extension is enabled.
    Note: This method should be called only by bootstrap classes.
    
    Parameters:
    
    enabled - true if the extension should be enabled, false otherwise.
  - getDependencies
```
java.util.List<java.lang.Class<? extends Extension>> getDependencies()
```
    Gets the list of Extensions that this extension depends on.
    
    Returns:
    
    the list of dependencies, empty (or null) if none.
  - isCore
```
boolean isCore()
```
  - getAuthor
```
default java.lang.String getAuthor()
```
    Gets the author of the extension.
    Since 2.9.0 defaults to the author of the add-on, if set, otherwise an empty string.
    
    Returns:
    
    the author of the extension, might be null.
    
    Since:
    
    1.4.0
  - getURL
```
default java.net.URL getURL()
```
    Gets the URL to info about the extension.
    Since 2.10.0 defaults to null.
    
    Returns:
    
    the URL to info about the extension, might be null.
    
    Since:
    
    1.4.0
  - getMessages
```
java.util.ResourceBundle getMessages()
```
    Gets the resource bundle of the extension.
    Set during start up based on the available resource bundles:
    
    extension's resource bundle, located in the resources directory under the extension's package;
    add-on's resource bundle;
    core resource bundle;
    Returns:
    
    the resource bundle, never null.
    
    Since:
    
    2.0.0
  - setMessages
```
void setMessages(java.util.ResourceBundle messages)
```
    Sets the resource bundle of the extension.
    Note: This method should be called only by bootstrap classes.
    
    Parameters:
    
    messages - the resource bundle of the extension.
    
    Since:
    
    2.0.0
  - getI18nPrefix
```
java.lang.String getI18nPrefix()
```
  - setI18nPrefix
```
void setI18nPrefix(java.lang.String prefix)
```
  - optionsLoaded
```
void optionsLoaded()
```
    Called after the options for this extension have been loaded, so that the extension can make use of them. Note that other add-ons may not have been loaded at this point - if you need them to be then implement postInit()
    
    See Also:
    
    postInit()
  - canUnload
```
boolean canUnload()
```
  - unload
```
void unload()
```
    Unloads any component manually added to ZAP or other extensions (that is, a component that was not added through the ExtensionHook).
    Should be called only by core functionality (e.g. during uninstallation of the extension).
    
    See Also:
    
    hook(ExtensionHook)
  - getUnsavedResources
```
java.util.List<java.lang.String> getUnsavedResources()
```
    Extensions should return the user friendly names of any unsaved resources - if there are any the user will be given the option not to exit ZAP or, if the extension is bundled in an add-on that's being updated or uninstalled, not to continue with the changes.
    
    Returns:
    
    a List containing the unsaved resources or null if none
    
    Since:
    
    2.2.0
    
    See Also:
    
    getActiveActions()
  - getActiveActions
```
java.util.List<java.lang.String> getActiveActions()
```
    Returns the (internationalised) names of all active actions of the extension - if there are any the user will be given the option not to exit ZAP or, if the extension is bundled in an add-on that's being updated or uninstalled, not to continue with the changes.
    An active action is something that's started by the user, for example, a scan.
    
    Returns:
    
    a List containing the active actions or null if none
    
    Since:
    
    2.4.0
    
    See Also:
    
    getUnsavedResources()
  - postInstall
```
void postInstall()
```
    Implement this method to perform tasks after the add-on is installed. Note that this will only be called if the user adds the add-on via ZAP, e.g. file the File menu or the Marketplace. If the add-on is installed by copying the file to the plugins directory then it will not be called.
    
    Since:
    
    2.3.0
    
    See Also:
    
    postInit()
  - postInit
```
void postInit()
```
    Implement this method to perform tasks after all extensions/add-ons have been initialised.
    
    Since:
    
    2.4.0
    
    See Also:
    
    postInstall()
  - databaseOpen
```
void databaseOpen(Database db)
           throws DatabaseException,
                  DatabaseUnsupportedException
```
    Implement this method to register database tables to be used by the add-on
    
    Parameters:
    
    db - the database opened
    
    Throws:
    
    DatabaseException - if an error occurred while reading the database contents
    
    DatabaseUnsupportedException - if the database is not supported by the extension
  - getAddOn
```
AddOn getAddOn()
```
    Returns the add-on where this extension is bundled. Might be null if core extension.
    
    Returns:
    
    the add-on where this extension is bundled, or null if core extension.
    
    Since:
    
    2.4.0
  - setAddOn
```
void setAddOn(AddOn addOn)
```
    Sets the add-on where this extension is bundled.
    Note: This method should be called only by bootstrap classes.
    
    Parameters:
    
    addOn - the add-on where this extension is bundled
    
    Since:
    
    2.4.0
  - supportsDb
```
boolean supportsDb(java.lang.String type)
```
    Return true if the specified db type is supported by the extension (or if it doesn't use any db) If this method returns false (meaning the db in use is not supported) then the extension will not be loaded.
    
    Parameters:
    
    type - the db type
    
    Returns:
    
    true if the specified db type is supported by the extension (or if it doesn't use any db)
    
    See Also:
    
    Database.getType()
  - supportsLowMemory
```
boolean supportsLowMemory()
```
    Return true it the extension can run with the 'low memory' option. If the low memory option is set (and the extension supports it) then code should minimize the data stored in memory, using the db for all significant data. Extensions that do not support the low memory option will not be run if the option is set.
    
    Returns:
    
    true if the extension support the 'low memory' option, false otherwise

Interface Extension

Method Summary

Method Detail

getName

getUIName

getDescription

getVersion

init

initModel

initView

getModel

getView

start

stop

destroy

initXML

hook

isDepreciated

getOrder

setOrder

isEnabled

setEnabled

getDependencies

isCore

getAuthor

getURL

getMessages

setMessages

getI18nPrefix

setI18nPrefix

optionsLoaded

canUnload

unload

getUnsavedResources

getActiveActions

postInstall

postInit

databaseOpen

getAddOn

setAddOn

supportsDb

supportsLowMemory