1 /*
2 * Copyright [2007] [University Corporation for Advanced Internet Development, Inc.]
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 package org.opensaml.xml.encryption.validator;
18
19 import org.opensaml.xml.encryption.Transforms;
20 import org.opensaml.xml.validation.ValidationException;
21 import org.opensaml.xml.validation.Validator;
22
23 /**
24 * Checks {@link org.opensaml.xml.encryption.Transforms} for Schema compliance.
25 */
26 public class TransformsSchemaValidator implements Validator<Transforms> {
27
28 /** {@inheritDoc} */
29 public void validate(Transforms xmlObject) throws ValidationException {
30 validateTransforms(xmlObject);
31 }
32
33 /**
34 * Validate the transforms.
35 *
36 * @param xmlObject the object to validate
37 * @throws ValidationException thrown if the object is invalid
38 */
39 protected void validateTransforms(Transforms xmlObject) throws ValidationException {
40 if (xmlObject.getTransforms().isEmpty()) {
41 throw new ValidationException("No Transform children were present in the Transforms object");
42 }
43 }
44
45 }