Mercurial > dive4elements > framework

annotate artifact-database/src/main/java/de/intevation/artifactdatabase/StringUtils.java @ 241:4253995c970e

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Fix for flys/issue8 (part 3) artifacts/trunk@1676 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Sascha L. Teichmann <sascha.teichmann@intevation.de>
date Wed, 13 Apr 2011 10:57:45 +0000
parents 23ec48ce717e
children
rev   line source
100
933bbc9fc11f Added license file and license headers.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 87
diff changeset
1 /*
933bbc9fc11f Added license file and license headers.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 87
diff changeset
2 * Copyright (c) 2010 by Intevation GmbH
933bbc9fc11f Added license file and license headers.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 87
diff changeset
3 *
933bbc9fc11f Added license file and license headers.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 87
diff changeset
4 * This program is free software under the LGPL (>=v2.1)
933bbc9fc11f Added license file and license headers.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 87
diff changeset
5 * Read the file LGPL.txt coming with the software for details
933bbc9fc11f Added license file and license headers.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 87
diff changeset
6 * or visit http://www.gnu.org/licenses/ if it does not exist.
933bbc9fc11f Added license file and license headers.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 87
diff changeset
7 */
933bbc9fc11f Added license file and license headers.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 87
diff changeset
8
79
f69e5b87f05f Implementation to export artifacts as xml (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
9 package de.intevation.artifactdatabase;
f69e5b87f05f Implementation to export artifacts as xml (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
10
f69e5b87f05f Implementation to export artifacts as xml (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
11 import java.io.UnsupportedEncodingException;
f69e5b87f05f Implementation to export artifacts as xml (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
12
f69e5b87f05f Implementation to export artifacts as xml (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
13 import java.util.UUID;
f69e5b87f05f Implementation to export artifacts as xml (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
14
80
8447467cef86 Implementation to import artifacts from incoming xml documents (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 79
diff changeset
15 import org.apache.commons.codec.DecoderException;
8447467cef86 Implementation to import artifacts from incoming xml documents (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 79
diff changeset
16
8447467cef86 Implementation to import artifacts from incoming xml documents (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 79
diff changeset
17 import org.apache.commons.codec.binary.Hex;
8447467cef86 Implementation to import artifacts from incoming xml documents (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 79
diff changeset
18
79
f69e5b87f05f Implementation to export artifacts as xml (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
19 import org.apache.log4j.Logger;
f69e5b87f05f Implementation to export artifacts as xml (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
20
f69e5b87f05f Implementation to export artifacts as xml (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
21 /**
87
0f48188a6e02 Added some javadoc to the artifactdatabase module. Not done yet.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 80
diff changeset
22 * Commonly used string functions.
0f48188a6e02 Added some javadoc to the artifactdatabase module. Not done yet.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 80
diff changeset
23 *
79
f69e5b87f05f Implementation to export artifacts as xml (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
24 * @author <a href="mailto:sascha.teichmann@intevation.de">Sascha L. Teichmann</a>
f69e5b87f05f Implementation to export artifacts as xml (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
25 */
f69e5b87f05f Implementation to export artifacts as xml (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
26 public final class StringUtils
f69e5b87f05f Implementation to export artifacts as xml (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
27 {
f69e5b87f05f Implementation to export artifacts as xml (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
28 private static Logger logger = Logger.getLogger(StringUtils.class);
f69e5b87f05f Implementation to export artifacts as xml (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
29
87
0f48188a6e02 Added some javadoc to the artifactdatabase module. Not done yet.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 80
diff changeset
30 /**
0f48188a6e02 Added some javadoc to the artifactdatabase module. Not done yet.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 80
diff changeset
31 * Generated a random UUIDv4 in form of a string.
0f48188a6e02 Added some javadoc to the artifactdatabase module. Not done yet.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 80
diff changeset
32 * @return the UUID
0f48188a6e02 Added some javadoc to the artifactdatabase module. Not done yet.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 80
diff changeset
33 */
79
f69e5b87f05f Implementation to export artifacts as xml (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
34 public static final String newUUID() {
f69e5b87f05f Implementation to export artifacts as xml (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
35 return UUID.randomUUID().toString();
f69e5b87f05f Implementation to export artifacts as xml (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
36 }
f69e5b87f05f Implementation to export artifacts as xml (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
37
87
0f48188a6e02 Added some javadoc to the artifactdatabase module. Not done yet.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 80
diff changeset
38 /**
0f48188a6e02 Added some javadoc to the artifactdatabase module. Not done yet.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 80
diff changeset
39 * Checks if a given string is a valid UUID.
0f48188a6e02 Added some javadoc to the artifactdatabase module. Not done yet.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 80
diff changeset
40 * @param uuid The string to test.
0f48188a6e02 Added some javadoc to the artifactdatabase module. Not done yet.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 80
diff changeset
41 * @return true if the string is a valid UUID else false.
0f48188a6e02 Added some javadoc to the artifactdatabase module. Not done yet.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 80
diff changeset
42 */
79
f69e5b87f05f Implementation to export artifacts as xml (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
43 public static final boolean checkUUID(String uuid) {
f69e5b87f05f Implementation to export artifacts as xml (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
44 try {
f69e5b87f05f Implementation to export artifacts as xml (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
45 UUID.fromString(uuid);
f69e5b87f05f Implementation to export artifacts as xml (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
46 }
f69e5b87f05f Implementation to export artifacts as xml (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
47 catch (IllegalArgumentException iae) {
f69e5b87f05f Implementation to export artifacts as xml (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
48 logger.warn(iae.getLocalizedMessage());
f69e5b87f05f Implementation to export artifacts as xml (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
49 return false;
f69e5b87f05f Implementation to export artifacts as xml (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
50 }
f69e5b87f05f Implementation to export artifacts as xml (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
51 return true;
f69e5b87f05f Implementation to export artifacts as xml (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
52 }
f69e5b87f05f Implementation to export artifacts as xml (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
53
87
0f48188a6e02 Added some javadoc to the artifactdatabase module. Not done yet.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 80
diff changeset
54 /**
0f48188a6e02 Added some javadoc to the artifactdatabase module. Not done yet.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 80
diff changeset
55 * Returns the UTF-8 byte array representation of a given string.
0f48188a6e02 Added some javadoc to the artifactdatabase module. Not done yet.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 80
diff changeset
56 * @param s The string to be transformed.
0f48188a6e02 Added some javadoc to the artifactdatabase module. Not done yet.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 80
diff changeset
57 * @return The byte array representation.
0f48188a6e02 Added some javadoc to the artifactdatabase module. Not done yet.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 80
diff changeset
58 */
79
f69e5b87f05f Implementation to export artifacts as xml (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
59 public static final byte [] getUTF8Bytes(String s) {
f69e5b87f05f Implementation to export artifacts as xml (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
60 try {
f69e5b87f05f Implementation to export artifacts as xml (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
61 return s.getBytes("UTF-8");
f69e5b87f05f Implementation to export artifacts as xml (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
62 }
f69e5b87f05f Implementation to export artifacts as xml (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
63 catch (UnsupportedEncodingException usee) {
f69e5b87f05f Implementation to export artifacts as xml (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
64 logger.error(usee.getLocalizedMessage(), usee);
f69e5b87f05f Implementation to export artifacts as xml (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
65 return s.getBytes();
f69e5b87f05f Implementation to export artifacts as xml (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
66 }
f69e5b87f05f Implementation to export artifacts as xml (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
67 }
80
8447467cef86 Implementation to import artifacts from incoming xml documents (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 79
diff changeset
68
87
0f48188a6e02 Added some javadoc to the artifactdatabase module. Not done yet.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 80
diff changeset
69 /**
0f48188a6e02 Added some javadoc to the artifactdatabase module. Not done yet.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 80
diff changeset
70 * Tries to convert a Base64 encoded string into the
0f48188a6e02 Added some javadoc to the artifactdatabase module. Not done yet.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 80
diff changeset
71 * corresponing byte array.
0f48188a6e02 Added some javadoc to the artifactdatabase module. Not done yet.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 80
diff changeset
72 * @param s The Base64 encoded string
0f48188a6e02 Added some javadoc to the artifactdatabase module. Not done yet.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 80
diff changeset
73 * @return The byte array representation or null if
0f48188a6e02 Added some javadoc to the artifactdatabase module. Not done yet.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 80
diff changeset
74 * an decoding error occurs.
0f48188a6e02 Added some javadoc to the artifactdatabase module. Not done yet.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 80
diff changeset
75 */
80
8447467cef86 Implementation to import artifacts from incoming xml documents (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 79
diff changeset
76 public static final byte [] decodeHex(String s) {
8447467cef86 Implementation to import artifacts from incoming xml documents (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 79
diff changeset
77 try {
8447467cef86 Implementation to import artifacts from incoming xml documents (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 79
diff changeset
78 return Hex.decodeHex(s.toCharArray());
8447467cef86 Implementation to import artifacts from incoming xml documents (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 79
diff changeset
79 }
8447467cef86 Implementation to import artifacts from incoming xml documents (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 79
diff changeset
80 catch (DecoderException de) {
8447467cef86 Implementation to import artifacts from incoming xml documents (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 79
diff changeset
81 return null;
8447467cef86 Implementation to import artifacts from incoming xml documents (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 79
diff changeset
82 }
8447467cef86 Implementation to import artifacts from incoming xml documents (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 79
diff changeset
83 }
231
1ea35226a6de Database cleaner: Ignoring locked artifacts is now done on database level.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 100
diff changeset
84
1ea35226a6de Database cleaner: Ignoring locked artifacts is now done on database level.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 100
diff changeset
85 public static final String repeat(String s, int count, String sep) {
1ea35226a6de Database cleaner: Ignoring locked artifacts is now done on database level.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 100
diff changeset
86 if (count <= 0) {
1ea35226a6de Database cleaner: Ignoring locked artifacts is now done on database level.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 100
diff changeset
87 return "";
1ea35226a6de Database cleaner: Ignoring locked artifacts is now done on database level.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 100
diff changeset
88 }
1ea35226a6de Database cleaner: Ignoring locked artifacts is now done on database level.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 100
diff changeset
89 StringBuilder sb = new StringBuilder(s);
237
23ec48ce717e Possible fix for flys/issue8
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 231
diff changeset
90 for (--count; count > 0; --count) {
231
1ea35226a6de Database cleaner: Ignoring locked artifacts is now done on database level.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 100
diff changeset
91 sb.append(sep).append(s);
1ea35226a6de Database cleaner: Ignoring locked artifacts is now done on database level.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 100
diff changeset
92 }
1ea35226a6de Database cleaner: Ignoring locked artifacts is now done on database level.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 100
diff changeset
93 return sb.toString();
1ea35226a6de Database cleaner: Ignoring locked artifacts is now done on database level.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 100
diff changeset
94 }
1ea35226a6de Database cleaner: Ignoring locked artifacts is now done on database level.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 100
diff changeset
95
1ea35226a6de Database cleaner: Ignoring locked artifacts is now done on database level.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 100
diff changeset
96 public static final String repeat(char c, int count, char sep) {
1ea35226a6de Database cleaner: Ignoring locked artifacts is now done on database level.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 100
diff changeset
97 if (count <= 0) {
1ea35226a6de Database cleaner: Ignoring locked artifacts is now done on database level.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 100
diff changeset
98 return "";
1ea35226a6de Database cleaner: Ignoring locked artifacts is now done on database level.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 100
diff changeset
99 }
1ea35226a6de Database cleaner: Ignoring locked artifacts is now done on database level.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 100
diff changeset
100 StringBuilder sb = new StringBuilder(2*count-1).append(c);
237
23ec48ce717e Possible fix for flys/issue8
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 231
diff changeset
101 for (--count; count > 0; --count) {
231
1ea35226a6de Database cleaner: Ignoring locked artifacts is now done on database level.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 100
diff changeset
102 sb.append(sep).append(c);
1ea35226a6de Database cleaner: Ignoring locked artifacts is now done on database level.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 100
diff changeset
103 }
1ea35226a6de Database cleaner: Ignoring locked artifacts is now done on database level.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 100
diff changeset
104 return sb.toString();
1ea35226a6de Database cleaner: Ignoring locked artifacts is now done on database level.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 100
diff changeset
105 }
79
f69e5b87f05f Implementation to export artifacts as xml (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
106 }
f69e5b87f05f Implementation to export artifacts as xml (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
107 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org