/* * Copyright 2006 Werner Guttmann * * 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.exolab.castor.xml.validators; import org.exolab.castor.xml.TypeValidator; import org.exolab.castor.xml.ValidationContext; import org.exolab.castor.xml.ValidationException; /** * The ID Validation class. * * @author <a href="mailto:werner DOT guttmann AT gmx DOT net">Werner Guttman</a> * @version $Revision: 5951 $ $Date: 2003-03-03 02:57:21 -0700 (Mon, 03 Mar 2003) $ */ public class IdValidator extends StringValidator implements TypeValidator { /** * Creates a new IdValidator with no restrictions. */ public IdValidator() { super(); } //-- IdValidator /** * Validates the given Object. * * @param value * the string to validate * @param context * the ValidationContext * @throws ValidationException if the object fails validation. */ public void validate(final String value, final ValidationContext context) throws ValidationException { super.validate(value, context); } //-- validate /** * Validates the given Object. * * @param object the Object to validate * @throws ValidationException if the object fails validation. */ public void validate(final Object object) throws ValidationException { validate(object, (ValidationContext) null); } //-- validate /** * Validates the given Object. * * @param object the Object to validate * @param context the ValidationContext * @throws ValidationException if the object fails validation. */ public void validate(final Object object, final ValidationContext context) throws ValidationException { if (object == null) { String err = "IdValidator cannot validate a null object."; throw new ValidationException(err); } String value = null; if (!(object instanceof String)) { throw new ValidationException("IDs should be of type String"); } value = (String) object; if (value.equals("")) { String err = "Invalid ID value: '' is not a valid value."; throw new ValidationException(err); } context.addID(value); // validate(value, context); } //-- validate } //-- IdValidator