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.syncope.core.provisioning.api.jexl;
20
21 import java.util.Arrays;
22 import java.util.Collections;
23 import java.util.List;
24 import java.util.Optional;
25 import java.util.stream.Collectors;
26 import org.apache.commons.lang3.StringUtils;
27 import org.identityconnectors.framework.common.objects.Attribute;
28 import org.identityconnectors.framework.common.objects.ConnectorObject;
29
30 /**
31 * Utility functions for usage with JEXL engine.
32 */
33 public class SyncopeJexlFunctions {
34
35 /**
36 * Converts realm's full path into the equivalent DN.
37 *
38 * Example: {@code /a/b/c} becomes {@code ou=c,ou=b,ou=a}.
39 *
40 * @param fullPath realm's full path
41 * @param attr attribute name for DN
42 * @return DN equivalent of the provided full path
43 */
44 public String fullPath2Dn(final String fullPath, final String attr) {
45 return fullPath2Dn(fullPath, attr, StringUtils.EMPTY);
46 }
47
48 /**
49 * Converts realm's full path into the equivalent DN.
50 *
51 * Example: {@code /a/b/c} becomes {@code ,ou=c,ou=b,ou=a}, when {@code prefix} is
52 * {@code ","}
53 *
54 * @param fullPath realm's full path
55 * @param attr attribute name for DN
56 * @param prefix result's prefix
57 * @return DN equivalent of the provided full path
58 */
59 public String fullPath2Dn(final String fullPath, final String attr, final String prefix) {
60 String[] fullPathSplitted = fullPath.split("/");
61 if (fullPathSplitted.length <= 1) {
62 return StringUtils.EMPTY;
63 }
64
65 List<String> headless = Arrays.asList(fullPathSplitted).subList(1, fullPathSplitted.length);
66 Collections.reverse(headless);
67 return prefix + attr + "=" + headless.stream().collect(Collectors.joining("," + attr + "="));
68 }
69
70 /**
71 * Extracts the values of the attribute with given name from the given connector object, or empty list if not found.
72 *
73 * @param connObj connector object
74 * @param name attribute name
75 * @return the values of the attribute with given name from the given connector object, or empty list if not found
76 */
77 public List<Object> connObjAttrValues(final ConnectorObject connObj, final String name) {
78 return Optional.ofNullable(connObj).
79 flatMap(obj -> Optional.ofNullable(obj.getAttributeByName(name)).
80 map(Attribute::getValue)).
81 orElse(List.of());
82 }
83 }