1 /*
2 * Copyright 2012-2013 smartics, Kronseder & Reiner GmbH
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 de.smartics.maven.nexus;
17
18 /**
19 * Utilities for the communication with the Nexus server.
20 */
21 public final class NexusUtils
22 {
23 // ********************************* Fields *********************************
24
25 // --- constants ------------------------------------------------------------
26
27 // --- members --------------------------------------------------------------
28
29 // ****************************** Initializer *******************************
30
31 // ****************************** Constructors ******************************
32
33 /**
34 * Utility class.
35 */
36 private NexusUtils()
37 {
38 }
39
40 // ****************************** Inner Classes *****************************
41
42 // ********************************* Methods ********************************
43
44 // --- init -----------------------------------------------------------------
45
46 // --- get&set --------------------------------------------------------------
47
48 // --- business -------------------------------------------------------------
49
50 /**
51 * Figures out the base path to the Nexus server.
52 *
53 * @param url a path to a resource on the Nexus server.
54 * @return the base path to the Nexus server.
55 */
56 public static String calcNexusServerUrl(final String url)
57 {
58 final int startIndex = calcStartIndex(url);
59 if (startIndex != -1)
60 {
61 final int endIndex = calcEndIndex(url, startIndex);
62 if (endIndex != -1)
63 {
64 final String nexusBaseUrl =
65 url.substring(startIndex, endIndex);
66 return nexusBaseUrl;
67 }
68 }
69
70 return null;
71 }
72
73 private static int calcStartIndex(final String url)
74 {
75 int startIndex = url.indexOf("http://");
76 if (startIndex == -1)
77 {
78 startIndex = url.indexOf("https://");
79 }
80 return startIndex;
81 }
82
83 private static int calcEndIndex(final String url, final int startIndex)
84 {
85 int endIndex = url.indexOf("/nexus", startIndex);
86 if (endIndex == -1)
87 {
88 endIndex = url.indexOf('/', startIndex + 8);
89 }
90 else
91 {
92 endIndex += 6;
93 }
94
95 return endIndex;
96 }
97
98 // --- object basics --------------------------------------------------------
99
100 }