Mercurial > dive4elements > framework
comparison artifact-database/src/main/java/de/intevation/artifactdatabase/StringUtils.java @ 80:8447467cef86
Implementation to import artifacts from incoming xml documents (applied patch from issue208 by SLT).
artifacts/trunk@799 c6561f87-3c4e-4783-a992-168aeb5c3f6f
| author | Ingo Weinzierl <ingo.weinzierl@intevation.de> |
|---|---|
| date | Fri, 19 Mar 2010 09:34:40 +0000 |
| parents | f69e5b87f05f |
| children | 0f48188a6e02 |
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| 79:f69e5b87f05f | 80:8447467cef86 |
|---|---|
| 1 package de.intevation.artifactdatabase; | 1 package de.intevation.artifactdatabase; |
| 2 | 2 |
| 3 import java.io.UnsupportedEncodingException; | 3 import java.io.UnsupportedEncodingException; |
| 4 | 4 |
| 5 import java.util.UUID; | 5 import java.util.UUID; |
| 6 | |
| 7 import org.apache.commons.codec.DecoderException; | |
| 8 | |
| 9 import org.apache.commons.codec.binary.Hex; | |
| 6 | 10 |
| 7 import org.apache.log4j.Logger; | 11 import org.apache.log4j.Logger; |
| 8 | 12 |
| 9 /** | 13 /** |
| 10 * @author <a href="mailto:sascha.teichmann@intevation.de">Sascha L. Teichmann</a> | 14 * @author <a href="mailto:sascha.teichmann@intevation.de">Sascha L. Teichmann</a> |
| 11 */ | 15 */ |
| 12 public final class StringUtils | 16 public final class StringUtils |
| 13 { | 17 { |
| 14 private static Logger logger = Logger.getLogger(StringUtils.class); | 18 private static Logger logger = Logger.getLogger(StringUtils.class); |
| 15 | |
| 16 private static final char [] HEX = { | |
| 17 '0', '1', '2', '3', '4', '5', '6', '7', | |
| 18 '8', '9', 'a', 'b', 'c', 'd', 'e', 'f' | |
| 19 }; | |
| 20 | |
| 21 private StringUtils() { | |
| 22 } | |
| 23 | |
| 24 public static final String toHex(byte [] bytes) { | |
| 25 char out [] = new char[bytes.length*2]; | |
| 26 | |
| 27 for (int i = 0, j = 0; i < bytes.length; ++i) { | |
| 28 byte b = bytes[i]; | |
| 29 out[j++] = HEX[(b >> 4) & 0xf]; | |
| 30 out[j++] = HEX[ b & 0xf]; | |
| 31 } | |
| 32 | |
| 33 return new String(out); | |
| 34 } | |
| 35 | 19 |
| 36 public static final String newUUID() { | 20 public static final String newUUID() { |
| 37 return UUID.randomUUID().toString(); | 21 return UUID.randomUUID().toString(); |
| 38 } | 22 } |
| 39 | 23 |
| 55 catch (UnsupportedEncodingException usee) { | 39 catch (UnsupportedEncodingException usee) { |
| 56 logger.error(usee.getLocalizedMessage(), usee); | 40 logger.error(usee.getLocalizedMessage(), usee); |
| 57 return s.getBytes(); | 41 return s.getBytes(); |
| 58 } | 42 } |
| 59 } | 43 } |
| 44 | |
| 45 public static final byte [] decodeHex(String s) { | |
| 46 try { | |
| 47 return Hex.decodeHex(s.toCharArray()); | |
| 48 } | |
| 49 catch (DecoderException de) { | |
| 50 return null; | |
| 51 } | |
| 52 } | |
| 60 } | 53 } |
| 61 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 : | 54 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 : |