1 /**
2 * Licensed to the Apache Software Foundation (ASF) under one
3 * or more contributor license agreements. See the NOTICE file
4 * distributed with this work for additional information
5 * regarding copyright ownership. The ASF licenses this file
6 * to you under the Apache License, Version 2.0 (the
7 * "License"); you may not use this file except in compliance
8 * with the License. You may obtain a copy of the License at
9 *
10 * http://www.apache.org/licenses/LICENSE-2.0
11 *
12 * Unless required by applicable law or agreed to in writing,
13 * software distributed under the License is distributed on an
14 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15 * KIND, either express or implied. See the License for the
16 * specific language governing permissions and limitations
17 * under the License.
18 */
19 package org.apache.wss4j.policy.stax;
20
21 import org.apache.wss4j.policy.model.XPath;
22
23 import javax.xml.namespace.QName;
24 import java.util.ArrayList;
25 import java.util.List;
26
27 public final class PolicyUtils {
28
29 private PolicyUtils() {
30 // complete
31 }
32
33 public static List<QName> getElementPath(XPath xPath) {
34 List<QName> elements = new ArrayList<>();
35 String[] xPathElements = xPath.getXPath().split("/");
36 for (int j = 0; j < xPathElements.length; j++) {
37 String xPathElement = xPathElements[j];
38 if (xPathElement == null || xPathElement.length() == 0) {
39 continue;
40 }
41 String[] elementParts = xPathElement.split(":");
42 if (elementParts.length == 2) {
43 String ns = xPath.getPrefixNamespaceMap().get(elementParts[0]);
44 if (ns == null) {
45 throw new IllegalArgumentException("Namespace not declared");
46 }
47 elements.add(new QName(ns, elementParts[1]));
48 } else {
49 elements.add(new QName(elementParts[0]));
50 }
51 }
52 return elements;
53 }
54 }