Filterable.java

/**
 *
 * Copyright 2010, Lawrence McAlpin.
 *
 *
 *  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 play.modules.scaffold.utils;

import java.util.Collection;
import java.util.Iterator;

public abstract class Filterable<T> {
    public static <T> void remove(Collection<T> c, Filterable<T> block) {
        Iterator<T> it = c.iterator();
        while (it.hasNext()) {
            if (block.filter(it.next()))
                it.remove();
        }
    }

    public abstract boolean filter(T input);
}