| package org.apache.turbine.services.intake.validator; |
| |
| /* ==================================================================== |
| * The Apache Software License, Version 1.1 |
| * |
| * Copyright (c) 2001-2003 The Apache Software Foundation. All rights |
| * reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in |
| * the documentation and/or other materials provided with the |
| * distribution. |
| * |
| * 3. The end-user documentation included with the redistribution, |
| * if any, must include the following acknowledgment: |
| * "This product includes software developed by the |
| * Apache Software Foundation (http://www.apache.org/)." |
| * Alternately, this acknowledgment may appear in the software itself, |
| * if and wherever such third-party acknowledgments normally appear. |
| * |
| * 4. The names "Apache" and "Apache Software Foundation" and |
| * "Apache Turbine" must not be used to endorse or promote products |
| * derived from this software without prior written permission. For |
| * written permission, please contact apache@apache.org. |
| * |
| * 5. Products derived from this software may not be called "Apache", |
| * "Apache Turbine", nor may "Apache" appear in their name, without |
| * prior written permission of the Apache Software Foundation. |
| * |
| * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED |
| * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR |
| * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF |
| * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
| * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
| * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT |
| * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| * SUCH DAMAGE. |
| * ==================================================================== |
| * |
| * This software consists of voluntary contributions made by many |
| * individuals on behalf of the Apache Software Foundation. For more |
| * information on the Apache Software Foundation, please see |
| * <http://www.apache.org/>. |
| */ |
| |
| import java.text.ParseException; |
| |
| import java.util.Map; |
| |
| import org.apache.commons.lang.StringUtils; |
| |
| /** |
| * Validator for boolean field types.<br><br> |
| * |
| * Values are validated by attemting to match the value to |
| * a list of strings for true and false values. The string |
| * values are compared without reguard to case.<br> |
| * |
| * Valid values for Boolean.TRUE: |
| * <ul> |
| * <li>TRUE</li> |
| * <li>T</li> |
| * <li>YES</li> |
| * <li>Y</li> |
| * <li>1</li> |
| * </ul> |
| * Valid values for Boolean.FALSE: |
| * <ul> |
| * <li>FALSE</li> |
| * <li>F</li> |
| * <li>NO</li> |
| * <li>N</li> |
| * <li>0</li> |
| * </ul> |
| * |
| * @deprecated Use the Fulcrum Intake component instead. |
| * @author <a href="mailto:quintonm@bellsouth.net">Quinton McCombs</a> |
| * @author <a href="mailto:Colin.Chalmers@maxware.nl">Colin Chalmers</a> |
| * @author <a href="mailto:jh@byteaction.de">Jürgen Hoffmann</a> |
| * @version $Id$ |
| */ |
| public class BooleanValidator |
| extends DefaultValidator |
| { |
| /** String values which would evaluate to Boolean.TRUE */ |
| private static String[] trueValues = {"TRUE","T","YES","Y","1"}; |
| |
| /** String values which would evaluate to Boolean.FALSE */ |
| private static String[] falseValues = {"FALSE","F","NO","N","0"}; |
| |
| /** |
| * Default Constructor |
| */ |
| public BooleanValidator() |
| { |
| } |
| |
| /** |
| * Constructor to use when initialising Object |
| * |
| * @param paramMap |
| * @throws InvalidMaskException |
| */ |
| public BooleanValidator(Map paramMap) |
| throws InvalidMaskException |
| { |
| super(paramMap); |
| } |
| |
| /** |
| * Determine whether a testValue meets the criteria specified |
| * in the constraints defined for this validator |
| * |
| * @param testValue a <code>String</code> to be tested |
| * @exception ValidationException containing an error message if the |
| * testValue did not pass the validation tests. |
| */ |
| public void assertValidity(String testValue) |
| throws ValidationException |
| { |
| super.assertValidity(testValue); |
| |
| if (required || StringUtils.isNotEmpty(testValue)) |
| { |
| try |
| { |
| parse(testValue); |
| } |
| catch (ParseException e) |
| { |
| throw new ValidationException(e.getMessage()); |
| } |
| } |
| } |
| |
| /** |
| * Parses a srting value into a Boolean object. |
| * |
| * @param stringValue the value to parse |
| * @return a <code>Boolean</a> object |
| */ |
| public Boolean parse(String stringValue) |
| throws ParseException |
| { |
| Boolean result = null; |
| |
| for (int cnt = 0; |
| cnt < Math.max(trueValues.length, falseValues.length); cnt++) |
| { |
| // Short-cut evaluation or bust! |
| if ((cnt < trueValues.length) && |
| stringValue.equalsIgnoreCase(trueValues[cnt])) |
| { |
| result = Boolean.TRUE; |
| break; |
| } |
| |
| if ((cnt < falseValues.length) && |
| stringValue.equalsIgnoreCase(falseValues[cnt])) |
| { |
| result = Boolean.FALSE; |
| break; |
| } |
| } |
| |
| if (result == null) |
| { |
| throw new ParseException(stringValue + |
| " could not be converted to a Boolean", 0); |
| } |
| return result; |
| } |
| } |