org.forgerock.http.filter

Class ConditionalFilter

java.lang.Object

org.forgerock.http.filter.ConditionalFilter

All Implemented Interfaces:

org.forgerock.http.Filter

public class ConditionalFilter
extends Object
implements org.forgerock.http.Filter

This filter conditionally executes a delegate Filter given the result of a 'condition' function. If the condition is true then the delegated filter is executed, skipped otherwise.

Constructor Summary

Constructors

Constructor and Description
ConditionalFilter(org.forgerock.http.Filter delegate, org.forgerock.util.AsyncFunction<ContextAndRequest,Boolean,Exception> condition) Constructs a ConditionalFilter.
ConditionalFilter(org.forgerock.http.Filter delegate, boolean condition) Constructs a ConditionalFilter.

Method Summary

Modifier and Type	Method and Description
org.forgerock.util.promise.Promise<org.forgerock.http.protocol.Response,org.forgerock.util.promise.NeverThrowsException>	filter(org.forgerock.services.context.Context context, org.forgerock.http.protocol.Request request, org.forgerock.http.Handler next)

Methods inherited from class java.lang.Object

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

Constructor Detail

ConditionalFilter

public ConditionalFilter(org.forgerock.http.Filter delegate,
                         boolean condition)

Constructs a ConditionalFilter.

This constructor is provided as an ease to write some code : since you have access to the boolean, you may optimise the code like this :

     
 if (condition) {
    return delegate;
 } else {
    return new Filter() {

Parameters:

delegate - the filter that will be executed if the condition is true.

condition - the condition that controls the delegate filter's execution

ConditionalFilter

public ConditionalFilter(org.forgerock.http.Filter delegate,
                         org.forgerock.util.AsyncFunction<ContextAndRequest,Boolean,Exception> condition)

Constructs a ConditionalFilter.

Parameters:

delegate - the filter that will be executed if the condition is true.

condition - the function that will be executed at each request and will allow or not to execute the delegate filter.

Method Detail

filter

public org.forgerock.util.promise.Promise<org.forgerock.http.protocol.Response,org.forgerock.util.promise.NeverThrowsException> filter(org.forgerock.services.context.Context context,
                                                                                                                                       org.forgerock.http.protocol.Request request,
                                                                                                                                       org.forgerock.http.Handler next)

Specified by:

filter in interface org.forgerock.http.Filter