IntList.java

  1. /*
  2.  * Licensed to the Apache Software Foundation (ASF) under one or more
  3.  * contributor license agreements.  See the NOTICE file distributed with
  4.  * this work for additional information regarding copyright ownership.
  5.  * The ASF licenses this file to You under the Apache License, Version 2.0
  6.  * (the "License"); you may not use this file except in compliance with
  7.  * the License.  You may obtain a copy of the License at
  8.  *
  9.  *      http://www.apache.org/licenses/LICENSE-2.0
  10.  *
  11.  *  Unless required by applicable law or agreed to in writing, software
  12.  *  distributed under the License is distributed on an "AS IS" BASIS,
  13.  *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  14.  *  See the License for the specific language governing permissions and
  15.  *  limitations under the License.
  16.  */
  17. package org.apache.bcel.verifier.statics;

  18. import java.util.ArrayList;
  19. import java.util.List;

  20. /**
  21.  * A small utility class representing a set of basic int values.
  22.  */
  23. public class IntList {

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

  26.     /** This constructor creates an empty list. */
  27.     IntList() {
  28.         list = new ArrayList<>();
  29.     }

  30.     /** Adds an element to the list. */
  31.     void add(final int i) {
  32.         list.add(Integer.valueOf(i));
  33.     }

  34.     /** Checks if the specified int is already in the list. */
  35.     boolean contains(final int i) {
  36.         return list.contains(i);
  37.     }
  38. }