Commons Email example source code file (InvalidInternetAddressTest.java)

This example Commons Email source code file (InvalidInternetAddressTest.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - Commons Email tags/keywords

arr_invalid_emails, arr_invalid_emails, email, exception, exception, internetaddress, internetaddress, joe, quoted, reflection, string, valid, valid_quoted_email, valid_quoted_email, validate

The Commons Email InvalidInternetAddressTest.java 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
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.apache.commons.mail;

import java.lang.reflect.Method;

import javax.mail.internet.InternetAddress;

/**
 * JUnit test case demonstrating InternetAddress validation.
 *
 * @since 1.0
 * @author Niall Pemberton
 * @version $Id: InvalidInternetAddressTest.java 512208 2007-02-27 10:22:28Z dion $
 */

public class InvalidInternetAddressTest extends BaseEmailTestCase
{

    /** */
    private static final String VALID_QUOTED_EMAIL = "\"John O'Groats\"@domain.com";

    /** JavaMail 1.2. does not know about this */
    private static Method validateMethod;

    /** */
    private static final String[] ARR_INVALID_EMAILS =
        {
            "local name@domain.com",
            "local(name@domain.com",
            "local)name@domain.com",
            "local<name@domain.com",
            "local>name@domain.com",
            "local,name@domain.com",
            "local;name@domain.com",
            "local:name@domain.com",
            "local[name@domain.com",
            "local]name@domain.com",
            "local\\name@domain.com",
            "local\"name@domain.com",
            "local\tname@domain.com",
            "local\nname@domain.com",
            "local\rname@domain.com",
            "local.name@domain com",
            "local.name@domain(com",
            "local.name@domain)com",
            "local.name@domain<com",
            "local.name@domain>com",
            "local.name@domain,com",
            "local.name@domain;com",
            "local.name@domain:com",
            "local.name@domain[com",
            "local.name@domain]com",
            "local.name@domain\\com",
            "local.name@domain\tcom",
            "local.name@domain\ncom",
            "local.name@domain\rcom",
            "local.name@",
            "@domain.com" };
    /**
     * @param name name
     */
    public InvalidInternetAddressTest(String name)
    {
        super(name);
    }

    /**
     * Setup for a test
     * @throws Exception on any error
     */
    protected void setUp() throws Exception
    {
        super.setUp();

        try
        {
            validateMethod = InternetAddress.class.getMethod("validate", new Class [0]);
        }
        catch (Exception e)
        {
            assertEquals("Got wrong Exception when looking for validate()", NoSuchMethodException.class, e.getClass());
        }
    }

    /**
     *
     * @throws Exception Exception
     */
    public void testStrictConstructor() throws Exception
    {
        // ====================================================================
        // Prove InternetAddress constructor is throwing exception.
        // ====================================================================


        // test Invalid Email addresses
        for (int i = 0; i < ARR_INVALID_EMAILS.length; i++)
        {

            try
            {
                // Create Internet Address using "strict" constructor
                new InternetAddress(ARR_INVALID_EMAILS[i]);

                // Expected an exception to be thrown
                fail("Strict " + i + " passed: " + ARR_INVALID_EMAILS[i]);
            }
            catch (Exception ex)
            {
                // Expected Result
            }

        }

        // test valid 'quoted' Email addresses
        try
        {

            // Create Internet Address using "strict" constructor
            new InternetAddress(VALID_QUOTED_EMAIL);

        }
        catch (Exception ex)
        {
            fail("Valid Quoted Email failed: " + VALID_QUOTED_EMAIL
                + " - " + ex.getMessage());
        }
    }

    /**
     *
     * @throws Exception Exception
     */
    public void testValidateMethod() throws Exception
    {
        if (validateMethod == null)
        {
            return;
        }

        // ====================================================================
        // Prove InternetAddress constructor isn't throwing exception and
        // the validate() method is
        // ====================================================================

        for (int i = 0; i < ARR_INVALID_EMAILS.length; i++)
        {

            InternetAddress address = new InternetAddress(ARR_INVALID_EMAILS[i], "Joe");

            // N.B. validate() doesn't check addresses containing quotes or '['
            boolean quoted = ARR_INVALID_EMAILS[i].indexOf("\"") >= 0;
            int atIndex    = ARR_INVALID_EMAILS[i].indexOf("@");
            boolean domainBracket  = (atIndex >= 0)
                && (ARR_INVALID_EMAILS[i].indexOf("[", atIndex)  >= 0);
            try
            {
                validateMethod.invoke(address, null);

                if (!(quoted || domainBracket))
                {
                    fail("Validate " + i + " passed: " + ARR_INVALID_EMAILS[i]);
                }
            }
            catch (Exception ex)
            {
                if (quoted || domainBracket)
                {
                    fail("Validate " + i + " failed: " + ARR_INVALID_EMAILS[i]
                        + " - " + ex.getMessage());
                }
            }
        }

        // test valid 'quoted' Email addresses
        try
        {
            validateMethod.invoke(new InternetAddress(VALID_QUOTED_EMAIL, "Joe"), null);
        }
        catch (Exception ex)
        {
            fail("Valid Quoted Email failed: " + VALID_QUOTED_EMAIL
                + " - " + ex.getMessage());
        }
    }

    /**
     *
     * @throws Exception Exception
     */
    public void testValidateMethodCharset() throws Exception
    {
        if (validateMethod == null)
        {
            return;
        }

        // ====================================================================
        // Prove InternetAddress constructor isn't throwing exception and
        // the validate() method is
        // ====================================================================

        for (int i = 0; i < ARR_INVALID_EMAILS.length; i++)
        {

            InternetAddress address = new InternetAddress(ARR_INVALID_EMAILS[i], "Joe", "UTF-8");

            // N.B. validate() doesn't check addresses containing quotes or '['
            boolean quoted = ARR_INVALID_EMAILS[i].indexOf("\"") >= 0;
            int atIndex    = ARR_INVALID_EMAILS[i].indexOf("@");
            boolean domainBracket  = (atIndex >= 0)
                && (ARR_INVALID_EMAILS[i].indexOf("[", atIndex)  >= 0);

            try
            {
                validateMethod.invoke(address, null);
                if (!(quoted || domainBracket))
                {
                    fail("Validate " + i + " passed: " + ARR_INVALID_EMAILS[i]);
                }

            }
            catch (Exception ex)
            {

                if (quoted || domainBracket)
                {
                    fail("Validate " + i + " failed: " + ARR_INVALID_EMAILS[i]
                        + " - " + ex.getMessage());
                }

            }

        }

        // test valid 'quoted' Email addresses
        try
        {
            validateMethod.invoke(new InternetAddress(VALID_QUOTED_EMAIL, "Joe", "UTF-8"), null);
        }
        catch (Exception ex)
        {
            fail("Valid Quoted Email failed: " + VALID_QUOTED_EMAIL
                + " - " + ex.getMessage());
        }
    }

}