/*
* #!
* Ontopoly Editor
* #-
* Copyright (C) 2001 - 2013 The Ontopia Project
* #-
* Licensed 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 ontopoly.validators;
import java.io.Serializable;
import java.util.regex.PatternSyntaxException;
import ontopoly.components.AbstractFieldInstancePanel;
import ontopoly.models.FieldInstanceModel;
import org.apache.wicket.Application;
import org.apache.wicket.Component;
import org.apache.wicket.model.Model;
import org.apache.wicket.validation.IValidatable;
import org.apache.wicket.validation.validator.AbstractValidator;
public abstract class RegexValidator extends AbstractValidator<String> {
protected FieldInstanceModel fieldInstanceModel;
private final Component component;
public RegexValidator(Component component, FieldInstanceModel fieldInstanceModel) {
this.component = component;
this.fieldInstanceModel = fieldInstanceModel;
}
@Override
protected void onValidate(IValidatable<String> validatable) {
final String value = validatable.getValue();
final String regex = getRegex();
if (value == null) return;
try {
if (value.matches(regex))
return;
else
reportError(resourceKeyInvalidValue(), value, regex);
} catch (PatternSyntaxException e) {
reportError(resourceKeyInvalidRegex(), value, regex);
}
}
private void reportError(String resourceKey, final String value, final String regex) {
try {
String message = Application.get().getResourceSettings().getLocalizer().getString(resourceKey, (Component)null,
new Model<Serializable>(new Serializable() {
@SuppressWarnings("unused")
public String getValue() {
return value;
}
@SuppressWarnings("unused")
public String getRegex() {
return regex;
}
}));
component.error(AbstractFieldInstancePanel.createErrorMessage(fieldInstanceModel, new Model<String>(message)));
} catch (Exception e) {
component.error(AbstractFieldInstancePanel.createErrorMessage(fieldInstanceModel, new Model<String>("Regexp validation error (value='" + value+ "', regex='" + regex + "')")));
}
}
protected abstract String getRegex();
protected String resourceKeyInvalidValue() {
return "validators.RegexValidator";
}
protected String resourceKeyInvalidRegex() {
return "validators.RegexValidator.invalidRegex";
}
}