ratpack.handling.internal.OnlyIfHandler Maven / Gradle / Ivy
/*
* Copyright 2015 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package ratpack.handling.internal;
import ratpack.func.Predicate;
import ratpack.handling.Context;
import ratpack.handling.Handler;
public class OnlyIfHandler implements Handler {
private final Predicate predicate;
private final Handler handler;
public OnlyIfHandler(Predicate predicate, Handler handler) {
this.predicate = predicate;
this.handler = handler;
}
@Override
public void handle(Context ctx) throws Exception {
if (predicate.apply(ctx)) {
handler.handle(ctx);
} else {
ctx.next();
}
}
}