Package de.xima.fc.servlet.resource

Class APluginStaticResourceServletAction

java.lang.Object

de.xima.fc.servlet.resource.APluginStaticResourceServletAction

All Implemented Interfaces:

INameProviding, ITransferable, INamedUiElement, IFCPlugin, IPluginServletAction, IPluginStaticResourceServletAction, Serializable

public abstract class APluginStaticResourceServletAction
extends Object
implements IPluginStaticResourceServletAction

Base class for IPluginServletAction which provides a basic implementation for a servlet action that provides static resources. In addition to IPluginServletAction, this abstract base class also stores the version of the plugin and uses that as the resource's ETag. For non-stable versions, the current timestamp is used to bust the cache.

Since:

8.0.0

Author:

XIMA MEDIA GmbH

See Also:

IPluginStaticResourceServletAction, Serialized Form

Field Summary

Fields inherited from interface de.xima.fc.plugin.interfaces.IFCPlugin

CONFIG_FILENAME

Fields inherited from interface de.xima.fc.interfaces.INamedUiElement

ATTR_DISPLAY_NAME

Fields inherited from interface de.xima.fc.entities.interfaces.INameProviding

ATTR_NAME, COL_NAME

Constructor Summary

Constructors

Constructor	Description
APluginStaticResourceServletAction()

Method Summary

Modifier and Type	Method	Description
IPluginServletActionRetVal	execute(IPluginServletActionParams args)	The main method of this plugin.
ETagUtil.ETag	getResourceTag(String internalPath)	Gets the tag of the requested resource path.
void	initialize(IPluginInitializeData initializeData)	Callback method that is invoked when this plugin is initialized.

Methods inherited from class java.lang.Object

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

Methods inherited from interface de.xima.fc.plugin.interfaces.IFCPlugin

getDescription, getDescription, getDisplayName, getName, initPlugin, install, shutdown, shutdown, uninstall, validateConfigurationData

Methods inherited from interface de.xima.fc.servlet.resource.IPluginStaticResourceServletAction

findContentType, getPathParam, isPathSupported, readResource, respondMissingPath, respondResourceFound, respondResourceNotFound, respondServerError, respondUnsupportedPath, toInternalPath

Constructor Detail

APluginStaticResourceServletAction

public APluginStaticResourceServletAction()

Method Detail

execute

public final IPluginServletActionRetVal execute(IPluginServletActionParams args)
                                         throws FCPluginException

Description copied from interface: IPluginServletAction

The main method of this plugin.

When any exception other than FCPluginException is thrown, a generic HTML error page is returned to the client.

Specified by:

execute in interface IPluginServletAction

Specified by:

execute in interface IPluginStaticResourceServletAction

Parameters:

args - The parameters this plugin may make use of. Contains for example the URL parameters, the data of the HttpSession or the current user.

Returns:

The HTTP response code and the data to be sent as the response.

Throws:

FCPluginException - May be thrown when this plugin cannot handle the request. When this exception is thrown, a 404 HTTP response is returned to the client.

getResourceTag

public ETagUtil.ETag getResourceTag(String internalPath)

Description copied from interface: IPluginStaticResourceServletAction

Gets the tag of the requested resource path. The tag is used for caching. As long as the tag does not change, the resource content is not sent again to clients that already have the resource.

Specified by:

getResourceTag in interface IPluginStaticResourceServletAction

Parameters:

internalPath - Path to check.

Returns:

The (version) tag of the given resource path.

initialize

public void initialize(IPluginInitializeData initializeData)
                throws FCPluginException

Description copied from interface: IFCPlugin

Callback method that is invoked when this plugin is initialized.

Specified by:

initialize in interface IFCPlugin

Parameters:

initializeData - IPluginInitializeData

Throws:

FCPluginException - May be thrown when an error occurred during the initialization process. When an error is thrown, this plugin will be deactivated and not put into service.