Mercurial > dive4elements > framework
view artifact-database/src/main/java/de/intevation/artifactdatabase/StringUtils.java @ 79:f69e5b87f05f
Implementation to export artifacts as xml (applied patch from issue208 by SLT).
artifacts/trunk@792 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author | Ingo Weinzierl <ingo.weinzierl@intevation.de> |
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date | Tue, 16 Mar 2010 16:03:06 +0000 |
parents | |
children | 8447467cef86 |
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package de.intevation.artifactdatabase; import java.io.UnsupportedEncodingException; import java.util.UUID; import org.apache.log4j.Logger; /** * @author <a href="mailto:sascha.teichmann@intevation.de">Sascha L. Teichmann</a> */ public final class StringUtils { 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(); } public static final boolean checkUUID(String uuid) { try { UUID.fromString(uuid); } catch (IllegalArgumentException iae) { logger.warn(iae.getLocalizedMessage()); return false; } return true; } public static final byte [] getUTF8Bytes(String s) { try { return s.getBytes("UTF-8"); } catch (UnsupportedEncodingException usee) { logger.error(usee.getLocalizedMessage(), usee); return s.getBytes(); } } } // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :