Mercurial > dive4elements > river
annotate gwt-client/src/main/java/org/dive4elements/river/client/client/Config.java @ 6418:c702bac7f72e
Make wiki url configurable in gwt client (flys/#1197). It's probably better to retrieve
that config from the server but this solution is faster ;) (ServerInfoService wip)
author | Christian Lins <christian.lins@intevation.de> |
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date | Wed, 26 Jun 2013 10:39:10 +0200 |
parents | ea9eef426962 |
children | ac6c41fcae55 |
rev | line source |
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1 /* Copyright (C) 2011, 2012, 2013 by Bundesanstalt für Gewässerkunde |
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2 * Software engineering by Intevation GmbH |
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3 * |
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4 * This file is Free Software under the GNU AGPL (>=v3) |
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5 * and comes with ABSOLUTELY NO WARRANTY! Check out the |
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6 * documentation coming with Dive4Elements River for details. |
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7 */ |
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8 |
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9 package org.dive4elements.river.client.client; |
9
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10 |
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11 import com.google.gwt.i18n.client.LocaleInfo; |
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12 import com.google.gwt.xml.client.Document; |
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13 import com.google.gwt.xml.client.Node; |
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14 |
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15 |
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16 /** |
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17 * A class that is used to handle the global configuration of this client. You |
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18 * can retrieve an instance of this class using the <code>getInstance</code> |
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19 * methods. <b>NOTE:</b> the configuration is initialized using {@link |
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20 * getInstance(Document)} the first time. |
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21 * |
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22 * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a> |
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23 */ |
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24 public class Config { |
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25 |
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26 /** The instance of the configuration. */ |
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27 protected static Config INSTANCE; |
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28 |
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29 /** The xml document that contains the configuration options. */ |
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30 protected Document config; |
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31 |
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32 |
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33 /** |
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34 * Get an instance by using {@link getInstance(Document)} or {@link |
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35 * getInstance()}. |
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36 */ |
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37 private Config(Document config) { |
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38 this.config = config; |
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39 } |
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40 |
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41 |
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42 /** |
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43 * Returns an instance of this class and initializes the configuration of |
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44 * this has not been done so far. |
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45 * |
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46 * @param config The client configuration. |
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47 * |
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48 * @return an instance of this Config class. |
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49 */ |
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50 public static Config getInstance(Document config) { |
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51 if (INSTANCE == null) { |
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52 INSTANCE = new Config(config); |
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53 } |
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54 |
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55 return INSTANCE; |
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56 } |
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57 |
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58 |
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59 /** |
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60 * Returns an instance of this class. If it has not been initialized with a |
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61 * valid configuration, null is returned. |
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62 * |
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63 * @return an instance of this class or null, if the Config has not been |
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64 * initialized using {@link getInstance(Document)} so far. |
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65 */ |
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66 public static Config getInstance() { |
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67 return INSTANCE; |
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68 } |
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69 |
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70 |
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71 /** |
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72 * Returns the URL of the artifact server. |
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73 * |
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74 * @return the artifact server url. |
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75 */ |
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76 public String getServerUrl() { |
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77 Node server = config.getElementsByTagName("server").item(0); |
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78 return server.getFirstChild().getNodeValue(); |
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79 } |
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80 |
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81 |
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82 /** |
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83 * Returns the URL of the FLYS/d4e-Wiki. |
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84 * |
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85 * @return wiki base URL |
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86 */ |
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87 public String getWikiUrl() { |
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88 Node server = config.getElementsByTagName("wiki").item(0); |
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89 return server.getFirstChild().getNodeValue(); |
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90 } |
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91 |
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92 |
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93 /** |
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94 * Returns the name of the current locale. |
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95 * |
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96 * @return the name of the current locale. |
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97 */ |
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98 public String getLocale() { |
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99 return LocaleInfo.getCurrentLocale().getLocaleName(); |
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100 } |
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101 |
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102 |
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103 /** |
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104 * Returns the integer configured at |
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105 * <i>/config/projectlist/update-interval/text()</i> or -1 if an error |
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106 * occured or no such option is defined. |
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107 * |
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108 * @return the update interval of the project list. |
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109 */ |
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110 public int getProjectListUpdateInterval() { |
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111 Node projectlist = config.getElementsByTagName("projectlist").item(0); |
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112 |
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113 if (projectlist == null) { |
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114 return -1; |
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115 } |
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116 |
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117 Node interval = config.getElementsByTagName("update-interval").item(0); |
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118 |
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119 if (interval == null) { |
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120 return -1; |
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121 } |
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122 |
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123 String value = interval.getFirstChild().getNodeValue(); |
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124 |
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125 return value != null ? Integer.valueOf(value) : -1; |
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126 } |
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127 } |
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128 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 : |