| 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.util.Map; |
| |
| import org.apache.commons.lang.StringUtils; |
| import org.apache.commons.logging.Log; |
| import org.apache.commons.logging.LogFactory; |
| |
| /** |
| * DefaultValidator that will compare a testValue against the following |
| * constraints: |
| * |
| * <table> |
| * <tr><th>Name</th><th>Valid Values</th><th>Default Value</th></tr> |
| * <tr><td>required</td><td>true|false</td><td>false</td></tr> |
| * <tr><td>mask</td><td>regexp</td><td> </td></tr> |
| * <tr><td>minLength</td><td>integer</td><td>0</td></tr> |
| * <tr><td>maxLength</td><td>integer</td><td> </td></tr> |
| * </table> |
| * |
| * This validator can serve as the base class for more specific validators |
| * |
| * @deprecated Use the Fulcrum Intake component instead. |
| * @author <a href="mailto:jmcnally@collab.net">John McNally</a> |
| * @author <a href="mailto:quintonm@bellsouth.net">Quinton McCombs</a> |
| * @author <a href="mailto:Colin.Chalmers@maxware.nl">Colin Chalmers</a> |
| * @version $Id$ |
| */ |
| abstract public class DefaultValidator |
| implements Validator, InitableByConstraintMap |
| { |
| /** A boolean value to signify if the field is definately required or not */ |
| protected boolean required = false; |
| |
| /** The message to show if field fails required test */ |
| protected String requiredMessage = null; |
| |
| /** The minimum length of the field */ |
| protected int minLength = 0; |
| |
| /** The message to show if field fails min-length test */ |
| protected String minLengthMessage = null; |
| |
| /** The maximum length of the field */ |
| protected int maxLength = 0; |
| |
| /** The message to show if field fails max-length test */ |
| protected String maxLengthMessage = null; |
| |
| /** Error message pertaining to Rule that was broken */ |
| protected String errorMessage = null; |
| |
| /** Logging */ |
| protected Log log = LogFactory.getLog(this.getClass()); |
| |
| /** |
| * Constructor |
| * |
| * @param paramMap a <code>Map</code> of <code>Rule</code>'s |
| * containing constraints on the input. |
| * @exception InvalidMaskException An invalid mask was specified for one of the rules |
| |
| */ |
| public DefaultValidator(Map paramMap) |
| throws InvalidMaskException |
| { |
| init(paramMap); |
| } |
| |
| /** |
| * Default constructor |
| */ |
| public DefaultValidator() |
| { |
| } |
| |
| /** |
| * Extract the relevant parameters from the constraints listed |
| * in <rule> tags within the intake.xml file. |
| * |
| * @param paramMap a <code>Map</code> of <code>Rule</code>'s |
| * containing constraints on the input. |
| * @exception InvalidMaskException An invalid mask was specified for one of the rules |
| */ |
| public void init(Map paramMap) |
| throws InvalidMaskException |
| { |
| Constraint constraint = (Constraint) paramMap.get(REQUIRED_RULE_NAME); |
| if (constraint != null) |
| { |
| String param = constraint.getValue(); |
| required = new Boolean(param).booleanValue(); |
| requiredMessage = constraint.getMessage(); |
| } |
| |
| constraint = (Constraint) paramMap.get(MIN_LENGTH_RULE_NAME); |
| if (constraint != null) |
| { |
| String param = constraint.getValue(); |
| minLength = Integer.parseInt(param); |
| minLengthMessage = constraint.getMessage(); |
| } |
| |
| constraint = (Constraint) paramMap.get(MAX_LENGTH_RULE_NAME); |
| if (constraint != null) |
| { |
| String param = constraint.getValue(); |
| maxLength = Integer.parseInt(param); |
| maxLengthMessage = constraint.getMessage(); |
| } |
| } |
| |
| /** |
| * Determine whether a testValue meets the criteria specified |
| * in the constraints defined for this validator |
| * |
| * @param testValue a <code>String</code> to be tested |
| * @return true if valid, false otherwise |
| */ |
| public boolean isValid(String testValue) |
| { |
| boolean valid = false; |
| try |
| { |
| assertValidity(testValue); |
| valid = true; |
| } |
| catch (ValidationException ve) |
| { |
| valid = false; |
| } |
| return valid; |
| } |
| |
| /** |
| * 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 |
| { |
| if (!required && StringUtils.isEmpty(testValue)) |
| { |
| return; |
| } |
| if (required && StringUtils.isEmpty(testValue)) |
| { |
| errorMessage = requiredMessage; |
| throw new ValidationException(requiredMessage); |
| } |
| |
| if (minLength > 0 && testValue.length() < minLength) |
| { |
| errorMessage = minLengthMessage; |
| throw new ValidationException(minLengthMessage); |
| } |
| if (maxLength > 0 && testValue.length() > maxLength) |
| { |
| errorMessage = maxLengthMessage; |
| throw new ValidationException(maxLengthMessage); |
| } |
| } |
| |
| |
| /** |
| * Get the error message resulting from invalid input. |
| * |
| * @return a <code>String</code> message, or the empty String "". |
| */ |
| public String getMessage() |
| { |
| String retValue = ""; |
| |
| if(errorMessage != null) |
| { |
| retValue = errorMessage; |
| } |
| |
| return retValue; |
| } |
| |
| // ************************************************************ |
| // ** Bean accessor methods ** |
| // ************************************************************ |
| |
| /** |
| * Get the value of required. |
| * |
| * @return value of required. |
| */ |
| public boolean isRequired() |
| { |
| return required; |
| } |
| |
| /** |
| * Set the value of required. |
| * |
| * @param required Value to assign to required. |
| */ |
| public void setRequired(boolean required) |
| { |
| this.required = required; |
| } |
| |
| /** |
| * Get the value of requiredMessage. |
| * |
| * @return value of requiredMessage. |
| */ |
| public String getRequiredMessage() |
| { |
| return requiredMessage; |
| } |
| |
| /** |
| * Set the value of requiredMessage. |
| * |
| * @param requiredMessage Value to assign to requiredMessage. |
| */ |
| public void setRequiredMessage(String requiredMessage) |
| { |
| this.requiredMessage = requiredMessage; |
| } |
| |
| /** |
| * Get the value of minLength. |
| * |
| * @return value of minLength. |
| */ |
| public int getMinLength() |
| { |
| return minLength; |
| } |
| |
| /** |
| * Set the value of minLength. |
| * |
| * @param minLength Value to assign to minLength. |
| */ |
| public void setMinLength(int minLength) |
| { |
| this.minLength = minLength; |
| } |
| |
| /** |
| * Get the value of minLengthMessage. |
| * |
| * @return value of minLengthMessage. |
| */ |
| public String getMinLengthMessage() |
| { |
| return minLengthMessage; |
| } |
| |
| /** |
| * Set the value of minLengthMessage. |
| * |
| * @param minLengthMessage Value to assign to minLengthMessage. |
| */ |
| public void setMinLengthMessage(String minLengthMessage) |
| { |
| this.minLengthMessage = minLengthMessage; |
| } |
| |
| /** |
| * Get the value of maxLength. |
| * |
| * @return value of maxLength. |
| */ |
| public int getMaxLength() |
| { |
| return maxLength; |
| } |
| |
| /** |
| * Set the value of maxLength. |
| * |
| * @param maxLength Value to assign to maxLength. |
| */ |
| public void setMaxLength(int maxLength) |
| { |
| this.maxLength = maxLength; |
| } |
| |
| /** |
| * Get the value of maxLengthMessage. |
| * |
| * @return value of maxLengthMessage. |
| */ |
| public String getMaxLengthMessage() |
| { |
| return maxLengthMessage; |
| } |
| |
| /** |
| * Set the value of maxLengthMessage. |
| * |
| * @param maxLengthMessage Value to assign to maxLengthMessage. |
| */ |
| public void setMaxLengthMessage(String maxLengthMessage) |
| { |
| this.maxLengthMessage = maxLengthMessage; |
| } |
| } |