javax.servlet.annotation

Annotation Type WebFilter

@Target(value=TYPE)
 @Retention(value=RUNTIME)
 @Documented
public @interface WebFilter

Annotation used to declare a servlet filter.

This annotation is processed by the container at deployment time, and the corresponding filter applied to the specified URL patterns, servlets, and dispatcher types.

Since:

Servlet 3.0

See Also:

Filter

Optional Element Summary

Optional Elements

Modifier and Type	Optional Element and Description
boolean	asyncSupported Declares whether the filter supports asynchronous operation mode.
String	description The description of the filter
DispatcherType[]	dispatcherTypes The dispatcher types to which the filter applies
String	displayName The display name of the filter
String	filterName The name of the filter
WebInitParam[]	initParams The init parameters of the filter
String	largeIcon The large-icon of the filter
String[]	servletNames The names of the servlets to which the filter applies.
String	smallIcon The small-icon of the filter
String[]	urlPatterns The URL patterns to which the filter applies
String[]	value The URL patterns to which the filter applies The default value is an empty array.

Element Detail

description

public abstract String description

The description of the filter

Returns:

the description of the filter

Default:

""

displayName

public abstract String displayName

The display name of the filter

Returns:

the display name of the filter

Default:

""

initParams

public abstract WebInitParam[] initParams

The init parameters of the filter

Returns:

the init parameters of the filter

Default:

{}

filterName

public abstract String filterName

The name of the filter

Returns:

the name of the filter

Default:

""

smallIcon

public abstract String smallIcon

The small-icon of the filter

Returns:

the small-icon of the filter

Default:

""

largeIcon

public abstract String largeIcon

The large-icon of the filter

Returns:

the large-icon of the filter

Default:

""

servletNames

public abstract String[] servletNames

The names of the servlets to which the filter applies.

Returns:

the names of the servlets to which the filter applies

Default:

{}

value

public abstract String[] value

The URL patterns to which the filter applies The default value is an empty array.

Returns:

the URL patterns to which the filter applies

Default:

{}

urlPatterns

public abstract String[] urlPatterns

The URL patterns to which the filter applies

Returns:

the URL patterns to which the filter applies

Default:

{}

dispatcherTypes

public abstract DispatcherType[] dispatcherTypes

The dispatcher types to which the filter applies

Returns:

the dispatcher types to which the filter applies

Default:

javax.servlet.DispatcherType.REQUEST

asyncSupported

public abstract boolean asyncSupported

Declares whether the filter supports asynchronous operation mode.

Returns:

true if the filter supports asynchronous operation mode

See Also:

ServletRequest.startAsync(), ServletRequest.startAsync( javax.servlet.ServletRequest,javax.servlet.ServletResponse)

Default:

false