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annotate artifact-database/src/main/java/de/intevation/artifactdatabase/StringUtils.java @ 79:f69e5b87f05f

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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>
date Tue, 16 Mar 2010 16:03:06 +0000
parents
children 8447467cef86
rev   line source
79
f69e5b87f05f Implementation to export artifacts as xml (applied patch from issue208 by SLT).
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1 package de.intevation.artifactdatabase;
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2
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3 import java.io.UnsupportedEncodingException;
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4
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5 import java.util.UUID;
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6
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7 import org.apache.log4j.Logger;
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8
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9 /**
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10 * @author <a href="mailto:sascha.teichmann@intevation.de">Sascha L. Teichmann</a>
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11 */
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12 public final class StringUtils
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13 {
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14 private static Logger logger = Logger.getLogger(StringUtils.class);
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15
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16 private static final char [] HEX = {
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17 '0', '1', '2', '3', '4', '5', '6', '7',
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18 '8', '9', 'a', 'b', 'c', 'd', 'e', 'f'
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19 };
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20
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21 private StringUtils() {
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22 }
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23
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24 public static final String toHex(byte [] bytes) {
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25 char out [] = new char[bytes.length*2];
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26
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27 for (int i = 0, j = 0; i < bytes.length; ++i) {
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28 byte b = bytes[i];
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29 out[j++] = HEX[(b >> 4) & 0xf];
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30 out[j++] = HEX[ b & 0xf];
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31 }
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32
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33 return new String(out);
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34 }
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35
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36 public static final String newUUID() {
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37 return UUID.randomUUID().toString();
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38 }
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39
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40 public static final boolean checkUUID(String uuid) {
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41 try {
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42 UUID.fromString(uuid);
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43 }
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44 catch (IllegalArgumentException iae) {
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45 logger.warn(iae.getLocalizedMessage());
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46 return false;
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47 }
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48 return true;
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49 }
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50
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51 public static final byte [] getUTF8Bytes(String s) {
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52 try {
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53 return s.getBytes("UTF-8");
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54 }
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55 catch (UnsupportedEncodingException usee) {
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56 logger.error(usee.getLocalizedMessage(), usee);
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57 return s.getBytes();
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58 }
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59 }
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60 }
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61 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
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