org.springframework.restdocs.mockmvc.IterableEnumeration Maven / Gradle / Ivy
/*
* Copyright 2014-2016 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 org.springframework.restdocs.mockmvc;
import java.util.Enumeration;
import java.util.Iterator;
/**
* An adapter to expose an {@link Enumeration} as an {@link Iterable}.
*
* @param the type of the Enumeration's contents
* @author Andy Wilkinson
*/
final class IterableEnumeration implements Iterable {
private final Enumeration enumeration;
private IterableEnumeration(Enumeration enumeration) {
this.enumeration = enumeration;
}
@Override
public Iterator iterator() {
return new Iterator() {
@Override
public boolean hasNext() {
return IterableEnumeration.this.enumeration.hasMoreElements();
}
@Override
public T next() {
return IterableEnumeration.this.enumeration.nextElement();
}
@Override
public void remove() {
throw new UnsupportedOperationException();
}
};
}
/**
* Creates an {@code Iterable} that will iterate over the given {@code enumeration}.
*
* @param the type of the enumeration's elements
* @param enumeration The enumeration to expose as an {@code Iterable}
* @return the iterable
*/
static Iterable iterable(Enumeration enumeration) {
return new IterableEnumeration<>(enumeration);
}
}