/*
* 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.cocoon.forms.validation.impl;
import org.apache.cocoon.forms.formmodel.Widget;
import org.apache.cocoon.forms.validation.ValidationError;
import org.apache.cocoon.forms.validation.ValidationErrorAware;
import org.apache.cocoon.forms.validation.WidgetValidator;
/**
* A {@link org.apache.cocoon.forms.validation.WidgetValidator} that relies on a CAPTCHA
* test.
*
* @see <a href="http://www.captcha.net">www.captcha.net</a>
* @version $Id$
*/
public class CaptchaValidator implements WidgetValidator {
private static final String VALIDATION_MESSAGE_KEY = "validation.captcha.mismatch";
public boolean validate(Widget widget) {
if (! (widget instanceof ValidationErrorAware)) {
// Invalid widget type
throw new IllegalArgumentException("Widget '" + widget.getRequestParameterName() + "' is not ValidationErrorAware");
}
boolean result = widget.getValue() != null && widget.getValue().equals(widget.getAttribute("secret"));
if (! result) {
((ValidationErrorAware) widget).setValidationError(new ValidationError(VALIDATION_MESSAGE_KEY));
}
return result;
}
}