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 javax.xml.namespace.QName;
20
21 import org.opensaml.xml.XMLObject;
22 import org.opensaml.xml.encryption.EncryptionProperty;
23 import org.opensaml.xml.util.XMLConstants;
24 import org.opensaml.xml.validation.ValidationException;
25 import org.opensaml.xml.validation.Validator;
26
27 /**
28 * Checks {@link org.opensaml.xml.encryption.EncryptionProperty} for Schema compliance.
29 */
30 public class EncryptionPropertySchemaValidator implements Validator<EncryptionProperty> {
31
32 /** {@inheritDoc} */
33 public void validate(EncryptionProperty xmlObject) throws ValidationException {
34 validateUnknownChildren(xmlObject);
35 validateChildrenNamespaces(xmlObject);
36 validateAttributeNamespaces(xmlObject);
37 }
38
39 /**
40 * Validate the unknown children.
41 *
42 * @param xmlObject the object to validate
43 * @throws ValidationException thrown if the object is invalid
44 */
45 protected void validateUnknownChildren(EncryptionProperty xmlObject) throws ValidationException {
46 if (xmlObject.getUnknownXMLObjects().isEmpty()) {
47 throw new ValidationException("No children were present in the EncryptionProperty object");
48 }
49 }
50
51 /**
52 * Validate that all children are from another namespace.
53 *
54 * @param xmlObject the object to validate
55 * @throws ValidationException thrown if the object is invalid
56 */
57 protected void validateChildrenNamespaces(EncryptionProperty xmlObject) throws ValidationException {
58 // Validate that any children are from another namespace.
59 for (XMLObject child : xmlObject.getUnknownXMLObjects()) {
60 QName childName = child.getElementQName();
61 if (XMLConstants.XMLENC_NS.equals(childName.getNamespaceURI())) {
62 throw new ValidationException("EncryptionProperty contains an illegal child extension element: " + childName);
63 }
64 }
65 }
66
67 /**
68 * Validate that any wildcard attributes are from the
69 * XML namespace <code>http://www.w3.org/XML/1998/namespace</code>.
70 *
71 * @param xmlObject the object to validate
72 * @throws ValidationException thrown if the object is invalid
73 */
74 protected void validateAttributeNamespaces(EncryptionProperty xmlObject) throws ValidationException {
75 // Validate that any extension attribute are from the XML namespace
76 for (QName attribName : xmlObject.getUnknownAttributes().keySet()) {
77 if (! XMLConstants.XML_NS.equals(attribName.getNamespaceURI())) {
78 throw new ValidationException("EncryptionProperty contains an illegal extension attribute: " + attribName);
79 }
80 }
81 }
82
83 }