Subversion Repositories splitter

/*
 * Copyright (c) 2009.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 3 as
 * published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * General Public License for more details.
 */

/**
 * Chris Miller
 */
package uk.me.parabola.splitter;

import java.util.Arrays;


/**
 * Maintains a list of int primitives.
 */
public class IntList {
        private static final int DEFAULT_BUFFER_SIZE = 10;

        private int[] data;
        private int size;

        public IntList() {
                this(DEFAULT_BUFFER_SIZE);
        }

        public IntList(int initialSize) {
                data = new int[initialSize];
        }

        public void add(int value) {
                ensureCapacity();
                data[size++] = value;
        }

        public int get(int i) {
                return data[i];
        }

        public int size() {
                return size;
        }

        public void clear() {
                size = 0;
        }

        private void ensureCapacity() {
                if (size == data.length - 1) {
                        int[] temp = data;
                        data = new int[size * 3 / 2 + 1];
                        System.arraycopy(temp, 0, data, 0, size);
                }
        }

        /** Get as a read-only array of integers */
        int []asArray() {
                return Arrays.copyOf(data,size);
        }
}