IntList.java

/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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.apache.bcel.verifier.statics;

import java.util.ArrayList;
import java.util.List;

/**
 * A small utility class representing a set of basic int values.
 */
public class IntList {

    /** The int are stored as Integer objects here. */
    private final List<Integer> list;

    /** This constructor creates an empty list. */
    IntList() {
        list = new ArrayList<>();
    }

    /** Adds an element to the list. */
    void add(final int i) {
        list.add(Integer.valueOf(i));
    }

    /** Checks if the specified int is already in the list. */
    boolean contains(final int i) {
        return list.contains(i);
    }
}