colesico.framework.http.MultiValue Maven / Gradle / Ivy
/*
* Copyright © 2014-2020 Vladlen V. Larionov and others as noted.
*
* 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 colesico.framework.http;
import java.util.Collection;
import java.util.Iterator;
/**
* @author Vladlen Larionov
*/
public final class MultiValue {
private final Collection values;
public MultiValue(Collection values) {
this.values = values;
}
public T value() {
Iterator iterator = values.iterator();
return iterator.hasNext() ? iterator.next() : null;
}
public int size() {
return values.size();
}
/**
* Returns true if this collection contains no elements.
*
* @return true if this collection contains no elements
*/
public boolean isEmpty() {
return values.isEmpty();
}
public Iterator iterator() {
return values.iterator();
}
}