/*
* Copyright 2016 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.func.internal;
import ratpack.func.Action;
import ratpack.func.Predicate;
public class ConditionalAction<I> implements Action<I> {
public static class Branch<I> {
final Predicate<? super I> predicate;
final Action<? super I> action;
public Branch(Predicate<? super I> predicate, Action<? super I> action) {
this.predicate = predicate;
this.action = action;
}
}
private final Iterable<? extends Branch<I>> branches;
private final Action<? super I> other;
public ConditionalAction(Iterable<? extends Branch<I>> branches, Action<? super I> other) {
this.branches = branches;
this.other = other;
}
@Override
public final void execute(I i) throws Exception {
for (Branch<I> branch : branches) {
if (branch.predicate.apply(i)) {
branch.action.execute(i);
return;
}
}
other.execute(i);
}
}