Mercurial > dive4elements > framework
diff 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> |
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date | Fri, 19 Mar 2010 09:34:40 +0000 |
parents | f69e5b87f05f |
children | 0f48188a6e02 |
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--- a/artifact-database/src/main/java/de/intevation/artifactdatabase/StringUtils.java Tue Mar 16 16:03:06 2010 +0000 +++ b/artifact-database/src/main/java/de/intevation/artifactdatabase/StringUtils.java Fri Mar 19 09:34:40 2010 +0000 @@ -4,6 +4,10 @@ import java.util.UUID; +import org.apache.commons.codec.DecoderException; + +import org.apache.commons.codec.binary.Hex; + import org.apache.log4j.Logger; /** @@ -13,26 +17,6 @@ { private static Logger logger = Logger.getLogger(StringUtils.class); - private static final char [] HEX = { - '0', '1', '2', '3', '4', '5', '6', '7', - '8', '9', 'a', 'b', 'c', 'd', 'e', 'f' - }; - - private StringUtils() { - } - - public static final String toHex(byte [] bytes) { - char out [] = new char[bytes.length*2]; - - for (int i = 0, j = 0; i < bytes.length; ++i) { - byte b = bytes[i]; - out[j++] = HEX[(b >> 4) & 0xf]; - out[j++] = HEX[ b & 0xf]; - } - - return new String(out); - } - public static final String newUUID() { return UUID.randomUUID().toString(); } @@ -57,5 +41,14 @@ return s.getBytes(); } } + + public static final byte [] decodeHex(String s) { + try { + return Hex.decodeHex(s.toCharArray()); + } + catch (DecoderException de) { + return null; + } + } } // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :