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Commons Beanutils example source code file (

This example Commons Beanutils source code file ( is included in the "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Java - Commons Beanutils tags/keywords

byte, exception, exception, float, integer, long, long, longconverter, longconverter, longconvertertestcase, numberconverter, short, string, string

The Commons Beanutils source code

 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * See the License for the specific language governing permissions and
 * limitations under the License.

package org.apache.commons.beanutils.converters;

import junit.framework.TestSuite;

import org.apache.commons.beanutils.Converter;

 * Test Case for the LongConverter class.
 * @author Rodney Waldhoff
 * @version $Revision: 471348 $ $Date: 2006-11-05 02:59:26 +0000 (Sun, 05 Nov 2006) $

public class LongConverterTestCase extends NumberConverterTestBase {

    private Converter converter = null;

    // ------------------------------------------------------------------------

    public LongConverterTestCase(String name) {
    // ------------------------------------------------------------------------

    public void setUp() throws Exception {
        converter = makeConverter();
        numbers[0] = new Long("-12");
        numbers[1] = new Long("13");
        numbers[2] = new Long("-22");
        numbers[3] = new Long("23");

    public static TestSuite suite() {
        return new TestSuite(LongConverterTestCase.class);        

    public void tearDown() throws Exception {
        converter = null;

    // ------------------------------------------------------------------------
    protected NumberConverter makeConverter() {
        return new LongConverter();
    protected NumberConverter makeConverter(Object defaultValue) {
        return new LongConverter(defaultValue);
    protected Class getExpectedType() {
        return Long.class;

    // ------------------------------------------------------------------------

    public void testSimpleConversion() throws Exception {
        String[] message= { 
            "from String",
            "from String",
            "from String",
            "from String",
            "from String",
            "from String",
            "from String",
            "from Byte",
            "from Short",
            "from Integer",
            "from Long",
            "from Float",
            "from Double"
        Object[] input = { 
            new Byte((byte)7),
            new Short((short)8),
            new Integer(9),
            new Long(10),
            new Float(11.1),
            new Double(12.2)
        Long[] expected = { 
            new Long(Long.MIN_VALUE),
            new Long(-17),
            new Long(-1),
            new Long(0),
            new Long(1),
            new Long(17),
            new Long(Long.MAX_VALUE),
            new Long(7),
            new Long(8),
            new Long(9),
            new Long(10),
            new Long(11),
            new Long(12)
        for(int i=0;i<expected.length;i++) {
            assertEquals(message[i] + " to Long",expected[i],converter.convert(Long.class,input[i]));
            assertEquals(message[i] + " to long",expected[i],converter.convert(Long.TYPE,input[i]));
            assertEquals(message[i] + " to null type",expected[i],converter.convert(null,input[i]));

Other Commons Beanutils examples (source code examples)

Here is a short list of links related to this Commons Beanutils source code file:

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