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    1   /*
    2    * Copyright  2000-2004 The Apache Software Foundation
    3    *
    4    *  Licensed under the Apache License, Version 2.0 (the "License");
    5    *  you may not use this file except in compliance with the License.
    6    *  You may obtain a copy of the License at
    7    *
    8    *      http://www.apache.org/licenses/LICENSE-2.0
    9    *
    10   *  Unless required by applicable law or agreed to in writing, software
    11   *  distributed under the License is distributed on an "AS IS" BASIS,
    12   *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    13   *  See the License for the specific language governing permissions and
    14   *  limitations under the License.
    15   *
    16   */
    17  package org.apache.bcel.verifier.statics;
    18
    19
    20  import java.util.ArrayList;
    21  import java.util.List;
    22
    23  /***
    24   * A small utility class representing a set of basic int values.
    25   *
    26   * @version $Id: IntList.java 386056 2006-03-15 11:31:56Z tcurdt $
    27   * @author Enver Haase
    28   */
    29  public class IntList{
    30  	/*** The int are stored as Integer objects here. */
    31  	private List theList;
    32  	/*** This constructor creates an empty list. */
    33  	IntList(){
    34  		theList = new ArrayList();
    35  	}
    36  	/*** Adds an element to the list. */
    37  	void add(int i){
    38  		theList.add(new Integer(i));
    39  	}
    40  	/*** Checks if the specified int is already in the list. */
    41  	boolean contains(int i){
    42  		Integer[] ints = new Integer[theList.size()];
    43  		theList.toArray(ints);
    44  		for (int j=0; j<ints.length; j++){
    45  			if (i == ints[j].intValue()) {
    46                  return true;
    47              }
    48  		}
    49  		return false;
    50  	}
    51  }