/**
* 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 org.brixcms.web.util.validators;
import java.util.Arrays;
import org.apache.wicket.validation.IValidatable;
import org.apache.wicket.validation.IValidator;
import org.apache.wicket.validation.ValidationError;
public class NodeNameValidator implements IValidator<String> {
public static final char[] forbidden = new char[] { '\\', '/', ':', '?', '<', '>' };
private static final NodeNameValidator INSTANCE = new NodeNameValidator();
public static boolean isForbidden(char c) {
for (int i = 0; i < forbidden.length; ++i) {
if (c == forbidden[i]) {
return true;
}
}
return false;
}
public static final NodeNameValidator getInstance() {
return INSTANCE;
}
@SuppressWarnings("unchecked")
public void validate(IValidatable validatable) {
String s = validatable.getValue().toString();
for (int i = 0; i < s.length(); ++i) {
char c = s.charAt(i);
if (isForbidden(c)) {
String forbiddenStr = Arrays.toString(forbidden);
forbiddenStr = forbiddenStr.substring(1, forbiddenStr.length() - 1);
ValidationError error = new ValidationError();
error.setMessage("Field ${label} may not contain any of the forbidden characters (${forbidden}).");
error.addKey("NodeNameValidator");
error.getVariables().put("forbidden", forbiddenStr);
validatable.error(error);
return;
}
}
}
}