Mercurial > dive4elements > framework
annotate artifact-database/src/main/java/de/intevation/artifactdatabase/DefaultArtifactContext.java @ 334:eb8dbfa7125d
Removed superfluous CollectionCallContext creation.
artifacts/trunk@2811 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author | Ingo Weinzierl <ingo.weinzierl@intevation.de> |
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date | Thu, 22 Sep 2011 15:32:54 +0000 |
parents | a367a0d011af |
children | b77465617071 |
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1 /* |
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2 * Copyright (c) 2010 by Intevation GmbH |
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3 * |
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4 * This program is free software under the LGPL (>=v2.1) |
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5 * Read the file LGPL.txt coming with the software for details |
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6 * or visit http://www.gnu.org/licenses/ if it does not exist. |
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7 */ |
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8 |
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9 package de.intevation.artifactdatabase; |
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10 |
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11 import java.util.HashMap; |
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12 |
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13 import org.w3c.dom.Document; |
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14 |
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15 import de.intevation.artifacts.GlobalContext; |
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16 |
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17 /** |
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18 * Default implementation of the context. |
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19 * Besides of the configuration it hosts a map to store key/value pairs. |
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20 * |
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21 * @author <a href="mailto:sascha.teichmann@intevation.de">Sascha L. Teichmann</a> |
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22 */ |
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23 public class DefaultArtifactContext implements GlobalContext |
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24 { |
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25 /** |
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26 * The global configuration document of the artifact database. |
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27 */ |
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28 protected Document config; |
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29 |
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30 /** |
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31 * Custom key/value pairs to be used globally in the whole server. |
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32 */ |
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33 protected HashMap map; |
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34 |
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35 /** |
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36 * Default constructor |
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37 */ |
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38 public DefaultArtifactContext() { |
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39 this(null); |
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40 } |
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41 |
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42 /** |
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43 * Constructor to create a context with a given global |
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44 * configuration document and an empty map of custom |
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45 * key/value pairs. |
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46 * @param config |
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47 */ |
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48 public DefaultArtifactContext(Document config) { |
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49 this.config = config; |
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50 map = new HashMap(); |
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51 } |
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52 |
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53 /** |
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54 * Fetch a custom value from the global key/value map using |
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55 * a given key. |
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56 * @param key The key. |
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57 * @return The stored value or null if no value was found under |
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58 * this key. |
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59 */ |
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60 public synchronized Object get(Object key) { |
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61 return map.get(key); |
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62 } |
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63 |
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64 /** |
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65 * Store a custom key/value pair in the global map. |
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66 * @param key The key to store |
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67 * @param value The value to store |
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68 * @return The old value registered under the key or null |
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69 * if none wa there before. |
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70 */ |
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71 public synchronized Object put(Object key, Object value) { |
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72 return map.put(key, value); |
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73 } |
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74 |
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75 /** |
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76 * Returns a reference to the global configuration document. |
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77 * @return The global configuration document. |
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78 */ |
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79 public Document getConfig() { |
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80 return config; |
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81 } |
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82 } |
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83 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 : |