/*

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 * and open the template in the editor.

 */

package org.apidesign.javap;

/** A JavaScript ready replacement for java.util.Vector

 *

 * @author Jaroslav Tulach <jtulach@netbeans.org>

 */

public final class Vector {

    private Object[] arr;

    Vector() {

    }

    Vector(int i) {

        this();

    }

    void add(Object objectType) {

        addElement(objectType);

    }

    void addElement(Object obj) {

        final int s = size();

        setSize(s + 1);

        setElementAt(obj, s);

    }

    public int size() {

        return arr == null ? 0 : arr.length;

    }

    void copyInto(Object[] newArr) {

        if (arr == null) {

            return;

        }

        int min = Math.min(newArr.length, arr.length);

        for (int i = 0; i < min; i++) {

            newArr[i] = arr[i];

        }

    }

    public Object elementAt(int index) {

        return arr[index];

    }

    void setSize(int len) {

        Object[] newArr = new Object[len];

        copyInto(newArr);

        arr = newArr;

    }

    void setElementAt(Object val, int index) {

        arr[index] = val;

    }

}