This annotation specifies the filter.

The following table lists the @WebFilter attributes:

Attribute Name	Functionality
description	This attribute specifies the filter description.
dispatcherTypes	This attribute specifies the filter adjustment conditions.
displayName	This attribute specifies the display name.
filterName	This attribute specifies the filter name.
initParams	This attribute specifies the initial parameters for filter.
largeIcon	This attribute specifies the large icons used on the GUI tool.
servletNames	This attribute specifies the Servlet name of Servlet that performs mapping.
smallIcon	This attribute specifies the small icons used on the GUI tool.
urlPatterns	This attribute specifies the URL patterns to be mapped.
value	This attribute specifies the URL patterns to be mapped. Ignored if specified concurrently with urlPatterns.

Details of each attribute are as follows:

(a) description attribute

Type

String

Description

This attribute specifies the filter description.

Default Value

""

(b) dispatcherTypes attribute

Type

DispatcherType[]

Description

This attribute specifies the filter adjustment conditions.

Default value

javax.servlet.DispatcherType.REQUEST

(c) displayName attribute

Type

String

Description

This attribute specifies the display name.

Default value

""

(d) filterName attribute

Type

String

Description

This attribute specifies the filter name.

Default value

""

(e) initParams attribute

Type

WebInitParam[]

Description

This attribute specifies the initial parameters for filter.

Default value

{}

(f) largeIcon attribute

Type

String

Description

This attribute specifies the large icons used on the GUI tool.

Default value

""

(g) servletNames attribute

Type

String[]

Description

This attribute specifies the Servlet name of Servlet that performs mapping.

Default value

{}

(h) smallIcon attribute

Type

String

Description

This attribute specifies the small icons used on the GUI tool.

Default value

""

(i) urlPatterns attribute

Type

String[]

Description

This attribute specifies URL patterns to be mapped.

Default Value

{}

(j) value attribute

Type

String[]

Description

This attribute specifies the URL patterns to be mapped. Ignored if specified concurrently with urlPatterns.

Default Value

{}