Mercurial > dive4elements > river

annotate flys-artifacts/src/main/java/de/intevation/flys/collections/AttributeWriter.java @ 1628:16c74ca3586e

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Cosmetics, docs. flys-artifacts/trunk@2803 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Felix Wolfsteller <felix.wolfsteller@intevation.de>
date Wed, 21 Sep 2011 14:01:14 +0000
parents a3108f0a2fe7
children cc47828a1390
rev   line source
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16161de47662 The Attributes of a collection are written into its DESCRIBE now.
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1 package de.intevation.flys.collections;
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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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5
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6 import org.apache.log4j.Logger;
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7
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8 import org.w3c.dom.Document;
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9 import org.w3c.dom.Element;
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10 import org.w3c.dom.Node;
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11
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12 import de.intevation.artifacts.ArtifactNamespaceContext;
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13
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14 import de.intevation.artifactdatabase.state.Facet;
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15 import de.intevation.artifactdatabase.state.Output;
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16
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17 import de.intevation.artifacts.common.utils.XMLUtils;
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18 import de.intevation.artifacts.common.utils.XMLUtils.ElementCreator;
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19
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20 import de.intevation.flys.artifacts.model.ManagedFacet;
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22
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23 public class AttributeWriter {
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24
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25 protected Map<String, Output> oldAttr;
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26 protected Map<String, Output> newAttr;
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27
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28 private static Logger logger = Logger.getLogger(AttributeWriter.class);
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31 public AttributeWriter(
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32 Map<String, Output> oldAttr,
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33 Map<String, Output> newAttr)
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34 {
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35 this.oldAttr = oldAttr;
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36 this.newAttr = newAttr;
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37 }
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39
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40 /**
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41 * Create document
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42 */
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43 protected Document write() {
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44 Document doc = XMLUtils.newDocument();
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45
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46 ElementCreator cr = new ElementCreator(
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47 doc,
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48 ArtifactNamespaceContext.NAMESPACE_URI,
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49 ArtifactNamespaceContext.NAMESPACE_PREFIX);
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50
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51 Element attribute = cr.create("attribute");
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52 Element outs = cr.create("outputs");
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53
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54 attribute.appendChild(outs);
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55 doc.appendChild(attribute);
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56
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57 for (String outName: newAttr.keySet()) {
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58
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59 Output a = newAttr.get(outName);
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60 Output b = oldAttr.get(outName);
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61
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62 writeOutput(doc, outs, cr, a, b);
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63 }
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64
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65 return doc;
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66 }
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67
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68 /**
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69 * @param doc Document to add output nodes to
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70 * @param outs Node in Document to add output nodes to
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71 * @param a the new output
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72 * @param b the old output
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73 */
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74 protected void writeOutput(
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75 Document doc,
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76 Node outs,
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77 ElementCreator cr,
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78 Output a, /* new output */
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79 Output b) /* old output */
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80 {
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81 Element output = cr.create("output");
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82 cr.addAttr(output, "name", a.getName());
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83
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84 outs.appendChild(output);
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85
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86 List<Facet> facetsA = a.getFacets();
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87 List<Facet> facetsB = null;
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88
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89 if (b != null) {
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90 facetsB = b.getFacets();
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91 }
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92
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93 writeFacets(doc, cr, output, facetsA, facetsB);
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94 }
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97 /**
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98 * @param doc Document to add facet nodes to
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99 * @param output Node in Document to add facet nodes to
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100 * @param a the new facets
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101 * @param b the old facets
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102 */
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103 protected void writeFacets(
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104 Document doc,
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105 ElementCreator cr,
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106 Element output,
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107 List<Facet> a, /* new facets */
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108 List<Facet> b) /* old facets */
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109 {
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110 int num = a.size();
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111
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112 for (int i = 0; i < num; i++) {
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113 ManagedFacet fA = (ManagedFacet) a.get(i);
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114
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115 if (!mergeFacets(doc, cr, output, fA, b)) {
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116 Node n = fA.toXML(doc);
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117
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118 if (n != null) {
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119 output.appendChild(n);
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120 }
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121 }
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122 }
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123 }
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125
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126 /**
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127 * @param a new facets
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Felix Wolfsteller <felix.wolfsteller@intevation.de>
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128 * @param list old facets
16c74ca3586e Cosmetics, docs.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1171
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129 */
346
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
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130 protected boolean mergeFacets(
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
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131 Document doc,
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
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132 ElementCreator cr,
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
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133 Element output,
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
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134 ManagedFacet a, /* new facets */
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
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135 List<Facet> list) /* old facets */
346
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136 {
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
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137 String nameA = a.getName() + a.getIndex();
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138
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
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139 if (list == null) {
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9c565eb46f06 Fixed the process of creating and storing the attribute of a collection.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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140 logger.debug("No old facets found.");
346
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
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141 return false;
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
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142 }
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143
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
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144 for (Facet facet: list) {
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
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145 String nameB = facet.getName() + facet.getIndex();
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 705
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146
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 705
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147 if (nameA.equals(nameB)) {
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
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148 ManagedFacet b = (ManagedFacet) facet;
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 945
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149
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
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150 if (!b.getArtifact().equals(a.getArtifact())) {
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
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151 continue;
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
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152 }
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
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153
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
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154 Node n = facet.toXML(doc);
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parents: 705
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155
59ae2a823e73 Use the Facet.toXML() method to write facet elements into the DESCRIBE document of the Collection.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 705
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156 if (n != null) {
59ae2a823e73 Use the Facet.toXML() method to write facet elements into the DESCRIBE document of the Collection.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 705
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157 output.appendChild(n);
59ae2a823e73 Use the Facet.toXML() method to write facet elements into the DESCRIBE document of the Collection.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 705
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158 }
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 705
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159
346
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160 return true;
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161 }
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
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162 }
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
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163
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
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164 return false;
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
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165 }
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
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166 }
705
853dceead0f4 Only generate facets when needed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 694
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167 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 :
http://dive4elements.wald.intevation.org