Mercurial > dive4elements > river

annotate artifacts/src/main/java/org/dive4elements/river/collections/AttributeParser.java @ 9801:1d7a72a50183 3.2.x tip

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Assume Compose V2, consistently
author Tom Gottfried <tom@intevation.de>
date Thu, 23 Nov 2023 10:14:13 +0100
parents 0a5239a1e46e
children
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.collections;
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11 import java.util.List;
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12 import java.util.Map;
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13
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14 import javax.xml.xpath.XPathConstants;
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15
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16 import org.apache.logging.log4j.Logger;
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17 import org.apache.logging.log4j.LogManager;
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18
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19 import org.w3c.dom.Document;
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20 import org.w3c.dom.Element;
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21 import org.w3c.dom.Node;
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22 import org.w3c.dom.NodeList;
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23
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24 import org.dive4elements.artifacts.ArtifactNamespaceContext;
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25
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26 import org.dive4elements.artifactdatabase.state.DefaultOutput;
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27 import org.dive4elements.artifactdatabase.state.Facet;
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28 import org.dive4elements.artifactdatabase.state.Output;
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29 import org.dive4elements.artifactdatabase.state.Settings;
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30
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31 import org.dive4elements.artifacts.common.utils.XMLUtils;
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32
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33 import org.dive4elements.river.artifacts.model.ManagedDomFacet;
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34 import org.dive4elements.river.exports.ChartSettings;
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35
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36 /**
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37 * Access parts of the Attribute parts of a FLYSCollections description
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38 * document.
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39 */
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40 public class AttributeParser {
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41
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42 /** Constant XPath that points to the outputmodes of an artifact. */
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43 public static final String XPATH_ARTIFACT_OUTPUTMODES =
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44 "/art:attribute/art:outputs/art:output";
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45
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46
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47 private static Logger log = LogManager.getLogger(AttributeParser.class);
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48
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49
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50 protected Document attributeDocument;
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51
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52 protected CollectionAttribute attribute;
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53
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54
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55 /** Just store reference to document. */
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56 public AttributeParser(Document attributeDocument) {
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57 this.attributeDocument = attributeDocument;
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58 }
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59
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60
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61 public void parse() {
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62 log.debug("AttributeParser.parse");
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63
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64 attribute = new CollectionAttribute();
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65
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66 NodeList outs = (NodeList) XMLUtils.xpath(
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67 attributeDocument,
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68 XPATH_ARTIFACT_OUTPUTMODES,
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69 XPathConstants.NODESET,
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70 ArtifactNamespaceContext.INSTANCE);
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71
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72 int num = outs != null ? outs.getLength() : 0;
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73
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74 log.debug("Attribute has " + num + " outputs.");
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75
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76 for (int i = 0; i < num; i++) {
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77 Node out = outs.item(i);
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78
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79 parseOutput(out);
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80 }
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81 }
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82
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83
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84 public CollectionAttribute getCollectionAttribute() {
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85 if (attribute == null) {
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86 parse();
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87 }
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88
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89 return attribute;
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90 }
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91
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92
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93 public Document getAttributeDocument() {
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94 return attributeDocument;
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95 }
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96
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97
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98 public Map<String, Output> getOuts() {
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99 return attribute.getOutputs();
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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 * Access all facets.
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105 * @return list of all facets.
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106 */
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107 public List<Facet> getFacets() {
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108 return attribute.getFacets();
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109 }
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110
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111
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112 protected void parseOutput(Node out) {
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113 String name = ((Element)out).getAttribute("name");
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114
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115 if (name.length() == 0) {
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116 log.warn("No Output name specified. Cancel parsing!");
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117 return;
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118 }
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119
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120 Output o = attribute.getOutput(name);
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121
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122 if (o == null) {
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123 log.debug("Create new output: " + name);
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124
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125 o = new DefaultOutput(name, null, null);
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126 attribute.addOutput(name, o);
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127 }
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128
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129 parseSettings(out, name);
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130 parseItems(out, name);
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131 }
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132
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133 private static final Node getChild(Element element, String name) {
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134 NodeList children = element.getChildNodes();
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135 for (int i = 0, N = children.getLength(); i < N; ++i) {
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136 Node child = children.item(i);
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137 if (child.getNodeType() == Node.ELEMENT_NODE
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138 && child.getLocalName().equals(name)) {
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139 return child;
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140 }
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141 }
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142 return null;
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143 }
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144
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145
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146 protected void parseSettings(Node out, String outname) {
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147 Node settingsNode = getChild((Element)out, "settings");
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148
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149 if (settingsNode == null) {
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150 log.debug("No Settings found for Output '" + outname + "'");
1994
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151 return;
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152 }
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153
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154 Settings settings = ChartSettings.parse(settingsNode);
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155 attribute.setSettings(outname, settings);
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156 }
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157
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158
346
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159 protected void parseItems(Node out, String outname) {
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160 String uri = ArtifactNamespaceContext.NAMESPACE_URI;
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161 Element element = (Element)out;
346
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162
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163 NodeList themes = element.getElementsByTagNameNS(uri, "facet");
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164
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165 int num = themes.getLength();
346
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166
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167 log.debug("Output has " + num + " themes.");
346
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168
694
68c6c75a6f7c Add index and description of facets to collections describe document.
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parents: 638
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169 for (int i = 0; i < num; i++) {
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170 Element theme = (Element) themes.item(i);
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171 if (theme.getParentNode() == out) {
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172 attribute.addFacet(outname, new ManagedDomFacet(theme));
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173 }
346
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parents:
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174 }
16161de47662 The Attributes of a collection are written into its DESCRIBE now.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
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175 }
16161de47662 The Attributes of a collection are written into its DESCRIBE now.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
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176 }
16161de47662 The Attributes of a collection are written into its DESCRIBE now.
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parents:
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177 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org