Mercurial > dive4elements > river

annotate flys-client/src/main/java/de/intevation/flys/client/server/CollectionHelper.java @ 809:e9337488bac3

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The Collection now knows its already loaded recommendations - the CollectionView will not load recommendations that have already been loaded before. flys-client/trunk@2397 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Ingo Weinzierl <ingo.weinzierl@intevation.de>
date Fri, 22 Jul 2011 12:23:36 +0000
parents 374712890b94
children 0fe456332785
rev   line source
530
26e38b79658d Connected the CollectionAttributeService with the artifact server - Collection modifications will now be stored in the artifact databae.
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1 package de.intevation.flys.client.server;
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2
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3 import java.util.List;
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4 import java.util.Map;
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374712890b94 Facets read from Collection's DESCRIBE document keep all their attributes after the Collection's attribute has been modified.
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5 import java.util.Set;
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6
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7 import org.w3c.dom.Document;
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8 import org.w3c.dom.Element;
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9
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10 import de.intevation.artifacts.common.ArtifactNamespaceContext;
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11 import de.intevation.artifacts.common.utils.XMLUtils;
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12 import de.intevation.artifacts.common.utils.XMLUtils.ElementCreator;
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13
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14 import de.intevation.flys.client.shared.model.AttributedTheme;
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15 import de.intevation.flys.client.shared.model.Collection;
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16 import de.intevation.flys.client.shared.model.OutputMode;
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17 import de.intevation.flys.client.shared.model.Recommendation;
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18 import de.intevation.flys.client.shared.model.Theme;
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19 import de.intevation.flys.client.shared.model.ThemeList;
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21
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22 /**
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23 * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a>
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24 */
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25 public class CollectionHelper {
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26
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27 public static Document createAttribute(Collection collection) {
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28 System.out.println("CollectionHelper.createAttribute");
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29
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30 Document doc = XMLUtils.newDocument();
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31
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32 ElementCreator cr = new ElementCreator(
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33 doc,
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34 ArtifactNamespaceContext.NAMESPACE_URI,
26e38b79658d Connected the CollectionAttributeService with the artifact server - Collection modifications will now be stored in the artifact databae.
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35 ArtifactNamespaceContext.NAMESPACE_PREFIX);
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36
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37 Element attr = cr.create("attribute");
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38
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39 doc.appendChild(attr);
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41 Map<String, OutputMode> tmpOuts = collection.getOutputModes();
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42
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43 Element outs = createOutputElements(cr, collection, tmpOuts);
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44 Element recs = createRecommendationsElements(cr, collection);
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45
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46 if (outs != null) {
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47 attr.appendChild(outs);
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48 }
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49
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50 if (recs != null) {
e9337488bac3 The Collection now knows its already loaded recommendations - the CollectionView will not load recommendations that have already been loaded before.
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51 attr.appendChild(recs);
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52 }
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53
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54 return doc;
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55 }
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56
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57
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58 /**
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59 * Creates a whole block with art:output nodes.
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60 *
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61 * @param cr The ElementCreator used to create new elements.
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62 * @param c The collection.
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63 * @param modes The OutputModes that should be included.
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64 *
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65 * @return an element with output modes.
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66 */
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67 protected static Element createOutputElements(
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68 ElementCreator cr,
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69 Collection c,
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70 Map<String, OutputMode> mmodes)
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71 {
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72 System.out.println("CollectionHelper.createOutputElements");
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73
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74 java.util.Collection<OutputMode> modes = mmodes != null
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75 ? mmodes.values()
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76 : null;
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77
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78 if (modes == null || modes.size() == 0) {
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79 System.err.println("Collection has no modes: " + c.identifier());
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80 return null;
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81 }
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82
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83 Element outs = cr.create("outputs");
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84
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85 for (OutputMode mode: modes) {
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86 Element out = createOutputElement(cr, c, mode);
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87
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88 if (out != null) {
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89 outs.appendChild(out);
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90 }
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91 }
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92
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93 return outs;
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94 }
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95
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96
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97 /**
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98 * Create a node art:output that further consist of art:theme nodes.
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99 *
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100 * @param cr The ElementCreator used to create new elements.
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101 * @param c The collection.
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102 * @param mode The OutputMode.
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103 *
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104 * @return an element that represents an output mode with its themes.
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105 */
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106 protected static Element createOutputElement(
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107 ElementCreator cr,
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108 Collection collection,
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109 OutputMode mode)
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110 {
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111 System.out.println("CollectionHelper.createOutputElement");
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112
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113 Element out = cr.create("output");
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114 cr.addAttr(out, "name", mode.getName(), false);
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115
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116 ThemeList themeList = collection.getThemeList(mode.getName());
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117 List<Theme> themes = themeList != null ? themeList.getThemes() : null;
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118
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119 if (themes == null || themes.size() == 0) {
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120 System.err.println("No themes for output mode: " + mode.getName());
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121 return null;
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122 }
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123
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124 for (Theme theme: themes) {
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125 Element t = createThemeElement(cr, collection, theme);
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126
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127 if (t != null) {
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128 out.appendChild(t);
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129 }
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130 }
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131
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132 return out;
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133 }
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134
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135
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136 /**
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137 * Creates a theme node art:theme that represents a curve in a chart or map.
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138 *
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139 * @param cr The ElementCreator used to create new elements.
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140 * @param collection The collection.
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141 * @param theme The theme whose attributes should be written to an element.
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142 *
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143 * @return an element that contains the informtion of the given theme.
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144 */
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145 protected static Element createThemeElement(
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146 ElementCreator cr,
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147 Collection collection,
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148 Theme theme)
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149 {
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150 if (theme == null) {
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151 return null;
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152 }
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153
804
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154 Element t = cr.create("facet");
530
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155
804
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156 if (theme instanceof AttributedTheme) {
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157 AttributedTheme at = (AttributedTheme) theme;
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158 Set<String> keys = at.getKeys();
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159
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160 for (String key: keys) {
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161 cr.addAttr(t, key, at.getAttr(key), true);
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162 }
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163 }
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164 else {
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165 cr.addAttr(t, "active", Integer.toString(theme.getActive()), true);
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166 cr.addAttr(t, "artifact", theme.getArtifact(), true);
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167 cr.addAttr(t, "facet", theme.getFacet(), true);
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168 cr.addAttr(t, "pos", Integer.toString(theme.getPosition()), true);
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169 cr.addAttr(t, "index", Integer.toString(theme.getIndex()), true);
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170 cr.addAttr(t, "description", theme.getDescription(), true);
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171 }
530
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172
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173 return t;
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174 }
809
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175
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176
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177 /**
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178 * Creates a whole block with art:loaded-recommendations nodes.
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179 *
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180 * @param cr The ElementCreator used to create new elements.
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181 * @param c The collection.
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182 *
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183 * @return an element with loaded recommendations.
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184 */
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185 protected static Element createRecommendationsElements(
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186 ElementCreator cr,
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187 Collection c)
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188 {
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189 System.out.println("CollectionHelper.createRecommendationsElements");
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190
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191 List<Recommendation> rs = c.getRecommendations();
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192
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193 if (rs == null || rs.size() == 0) {
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194 System.err.println("Collection did not load recommendations: " +
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195 c.identifier());
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196 return null;
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197 }
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198
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199 Element loaded = cr.create("loaded-recommendations");
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200
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201 for (Recommendation r: rs) {
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202 Element recommendation = createRecommendationElement(cr, c, r);
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203
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204 if (recommendation != null) {
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205 loaded.appendChild(recommendation);
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206 }
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207 }
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208
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209 return loaded;
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210 }
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211
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212
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213 /**
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214 * Create a node art:recommended.
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215 *
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216 * @param cr The ElementCreator used to create new elements.
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217 * @param c The collection.
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218 * @param r The Recommendation.
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219 *
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220 * @return an element that represents an output mode with its themes.
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221 */
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222 protected static Element createRecommendationElement(
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223 ElementCreator cr,
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224 Collection c,
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225 Recommendation r)
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226 {
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227 System.out.println("CollectionHelper.createRecommendationElement");
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228
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229 Element recommendation = cr.create("recommendation");
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230 cr.addAttr(recommendation, "factory", r.getFactory(), true);
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231 cr.addAttr(recommendation, "db-ids", r.getIDs(), true);
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232
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233 return recommendation;
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234 }
530
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235 }
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236 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org