1 /*
2 * Copyright 2009 the original author or authors.
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 package org.openehealth.ipf.commons.ihe.xds.core.validate;
17
18 import java.net.MalformedURLException;
19 import java.net.URI;
20 import java.net.URISyntaxException;
21 import java.net.URL;
22
23 import static org.openehealth.ipf.commons.ihe.xds.core.validate.ValidationMessage.*;
24 import static org.openehealth.ipf.commons.ihe.xds.core.validate.ValidatorAssertions.metaDataAssert;
25
26 /**
27 * Validates a value list for compliance with a URI (RFC 2616).
28 * @author Jens Riemschneider
29 */
30 public class UriValidator implements ValueValidator {
31
32 @Override
33 public void validate(String uri) throws XDSMetaDataException {
34 metaDataAssert(uri != null, NULL_URI);
35 metaDataAssert(!uri.isEmpty(), EMPTY_URI);
36
37 // Accept anything that the classes URI or URL accept. This is done to
38 // avoid e.g. "http://" to fail. The XDSToolKit is using this URI
39 // for some tests and the RFCs do not clearly state if this is a valid
40 // URI or not. The URL class seems to accept it, the URI class doesn't.
41 try {
42 new URI(uri);
43 }
44 catch (URISyntaxException eUri) {
45 try {
46 new URL(uri);
47 } catch (MalformedURLException eUrl) {
48 throw new XDSMetaDataException(INVALID_URI, uri);
49 }
50 }
51 }
52
53 }