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package javax.servlet.annotation;
import java.lang.annotation.Documented;
import java.lang.annotation.ElementType;
import java.lang.annotation.Inherited;
import java.lang.annotation.Target;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
/**
* This annotation is used on a Servlet implementation class to specify security
* constraints to be enforced by a Servlet container on HTTP protocol messages.
* The Servlet container will enforce these constraints on the url-patterns
* mapped to the servlets mapped to the annotated class.
*
* @since Servlet 3.0
*/
@Inherited
@Documented
@Target(ElementType.TYPE)
@Retention(RetentionPolicy.RUNTIME)
public @interface ServletSecurity {
/**
* Defines the access semantic to be applied to an empty rolesAllowed array.
*/
enum EmptyRoleSemantic {
/**
* access is to be permitted independent of authentication state and
* identity.
*/
PERMIT,
/**
* access is to be denied independent of authentication state and
* identity.
*/
DENY
}
/**
* Defines the data protection requirements that must be satisfied by
* the transport
*/
enum TransportGuarantee {
/**
* no protection of user data must be performed by the transport.
*/
NONE,
/**
* All user data must be encrypted by the transport (typically
* using SSL/TLS).
*/
CONFIDENTIAL
}
/**
* Get the {@link HttpConstraint} that defines the protection
* that is to be applied to all HTTP methods that are NOT represented in
* the array returned by httpMethodConstraints.
*
* @return a HttpConstraint object.
*/
HttpConstraint value() default @HttpConstraint;
/**
* Get the HTTP method specific constraints. Each
* {@link HttpMethodConstraint} names an HTTP protocol method
* and defines the protection to be applied to it.
*
* @return an array of {@link HttpMethodConstraint} elements each
* defining the protection to be applied to one HTTP protocol method. For
* any HTTP method name, there must be at most one corresponding element in
* the returned array. If the returned array is of zero length, it indicates
* that no HTTP method specific constraints are defined.
*/
HttpMethodConstraint[] httpMethodConstraints() default {};
}