/* * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER. * * Copyright (c) 2014 Oracle and/or its affiliates. All rights reserved. * * The contents of this file are subject to the terms of either the GNU * General Public License Version 2 only ("GPL") or the Common Development * and Distribution License("CDDL") (collectively, the "License"). You * may not use this file except in compliance with the License. You can * obtain a copy of the License at * http://glassfish.java.net/public/CDDL+GPL_1_1.html * or packager/legal/LICENSE.txt. See the License for the specific * language governing permissions and limitations under the License. * * When distributing the software, include this License Header Notice in each * file and include the License file at packager/legal/LICENSE.txt. * * GPL Classpath Exception: * Oracle designates this particular file as subject to the "Classpath" * exception as provided by Oracle in the GPL Version 2 section of the License * file that accompanied this code. * * Modifications: * If applicable, add the following below the License Header, with the fields * enclosed by brackets [] replaced by your own identifying information: * "Portions Copyright [year] [name of copyright owner]" * * Contributor(s): * If you wish your version of this file to be governed by only the CDDL or * only the GPL Version 2, indicate your decision by adding "[Contributor] * elects to include this software in this distribution under the [CDDL or GPL * Version 2] license." If you don't indicate a single choice of license, a * recipient has the option to distribute your version of this file under * either the CDDL, the GPL Version 2 or to extend the choice of license to * its licensees as provided above. However, if you add GPL Version 2 code * and therefore, elected the GPL Version 2 license, then the option applies * only if the new code is made subject to such option by the copyright * holder. */ package org.glassfish.jersey.tests.performance.tools; import java.util.Random; /** * Implementation of {@link org.glassfish.jersey.tests.performance.tools.TestValueGenerator} producing random results. * * @author Adam Lindenthal (adam.lindenthal at oracle.com) */ public class RandomTestValueGenerator extends TestValueGenerator { private static final int MAX_STRING_LENGTH = 50; private static final Random random = new Random(); private static final String characters = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz1234567890 _"; /** * {@inheritDoc} */ @Override public <T> T getEnum(Class<T> enumType) { T[] enumValues = enumType.getEnumConstants(); return enumValues[random.nextInt(enumValues.length)]; } /** * {@inheritDoc} */ @Override public int getInt() { return random.nextInt(); } /** * {@inheritDoc} */ @Override public char getChar() { return (char) random.nextInt(Character.MAX_VALUE + 1); } /** * {@inheritDoc} */ @Override public String getString() { return randomString(random.nextInt(MAX_STRING_LENGTH)); } /** * {@inheritDoc} */ @Override public long getLong() { return random.nextLong(); } /** * {@inheritDoc} */ @Override public float getFloat() { return random.nextFloat(); } /** * {@inheritDoc} */ @Override public double getDouble() { return random.nextDouble(); } /** * {@inheritDoc} */ @Override public byte getByte() { return (byte) random.nextInt(Byte.MAX_VALUE + 1); } /** * {@inheritDoc} */ @Override public short getShort() { return (short) random.nextInt(Short.MAX_VALUE + 1); } /** * {@inheritDoc} */ @Override public boolean getBoolean() { return random.nextBoolean(); } private String randomString(int length) { StringBuilder sb = new StringBuilder(); for (int i = 0; i < length; i++) { sb.append(characters.charAt(random.nextInt(characters.length()))); } return sb.toString(); } }