Mercurial > dive4elements > river

annotate artifacts/src/main/java/org/dive4elements/river/exports/ShapeExporter.java @ 8858:a805211690f7 3.2.x

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Fix license headers.
author Tom Gottfried <tom@intevation.de>
date Thu, 18 Jan 2018 20:52:41 +0100
parents 5e38e2924c07
children 0a5239a1e46e
rev   line source
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a805211690f7 Fix license headers.
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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.exports;
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10
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11 import java.io.File;
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12 import java.io.FileFilter;
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13 import java.io.IOException;
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14 import java.io.OutputStream;
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15
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16 import org.apache.log4j.Logger;
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17 import org.dive4elements.artifactdatabase.state.ArtifactAndFacet;
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18 import org.dive4elements.artifactdatabase.state.Settings;
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19 import org.dive4elements.artifacts.Artifact;
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20 import org.dive4elements.artifacts.CallContext;
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21 import org.dive4elements.artifacts.common.ArtifactNamespaceContext;
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22 import org.dive4elements.artifacts.common.utils.FileTools;
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23 import org.dive4elements.artifacts.common.utils.XMLUtils;
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24 import org.dive4elements.river.collections.D4EArtifactCollection;
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25 import org.dive4elements.river.themes.ThemeDocument;
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26 import org.w3c.dom.Document;
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27
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28
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29 public class ShapeExporter implements OutGenerator
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30 {
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31 private static final String XPATH_FACET = "/art:action/@art:type";
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32 private static Logger log = Logger.getLogger(ShapeExporter.class);
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33 private Artifact master;
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34 private Document request;
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35 private OutputStream out;
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36 private CallContext context;
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37 private D4EArtifactCollection collection;
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38 private String facet;
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39 private File dir;
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40 private String outName;
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41
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42 @Override
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43 public void setup(Object config) {
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44 log.debug("ShapeExporter.setup");
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45 }
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46
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47 @Override
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48 public void init(
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49 String outName,
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50 Document request,
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51 OutputStream out,
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52 CallContext context
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53 ) {
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54 this.outName = outName;
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55 this.request = request;
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56 this.out = out;
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57 this.context = context;
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58 }
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59
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60 @Override
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61 public void setMasterArtifact(Artifact master) {
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62 this.master = master;
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63 }
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64
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65 @Override
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66 public void setCollection(D4EArtifactCollection collection) {
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67 this.collection = collection;
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68 }
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69
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70 @Override
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71 public void doOut(
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72 ArtifactAndFacet bundle,
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73 ThemeDocument attr,
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74 boolean visible
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75 ) {
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76 String name = bundle.getFacetName();
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77
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78 if (!isFacetValid(name)) {
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79 log.debug("Facet '" + name + "' is not valid for this exporter!");
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80 return;
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81 }
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82
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83 addData(bundle.getData(context));
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84 }
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85
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86 private void addData(Object data) {
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87 if (data instanceof File) {
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88 this.dir = (File)data;
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89 }
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90 }
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91
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92 private boolean isFacetValid(String name) {
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93 String thisFacet = getFacet();
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94 if (thisFacet == null || thisFacet.length() == 0) {
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95 return false;
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96 }
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97 else if (facet == null || facet.length() == 0) {
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98 return false;
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99 }
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100 else {
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101 return thisFacet.equals(facet);
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102 }
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103 }
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104
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105
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106 /**
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107 * Returns the name of the desired facet.
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108 *
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109 * @return the name of the desired facet.
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110 */
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111 protected String getFacet() {
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112 if (facet == null) {
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113 facet = getFacetFromRequest();
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114 }
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115
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116 return facet;
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117 }
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118
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119 @Override
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120 public void generate() throws IOException {
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121 FileFilter filter = new FileFilter() {
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122 @Override
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123 public boolean accept(File pathname) {
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124 if (pathname.getName().startsWith("wsplgen") &&
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125 !pathname.getName().endsWith(".par")) {
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126 return true;
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127 }
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128 else {
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129 return false;
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130 }
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131 }
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132 };
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133 FileTools.createZipArchive(this.dir, out, filter);
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134 out.close();
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135 }
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136
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137 @Override
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138 public void setSettings(Settings settings) {
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139 //Do nothing.
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140 }
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141
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142 @Override
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143 public Settings getSettings() {
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144 // This exporter has no settings.
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145 return null;
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146 }
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147
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148 /**
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149 * Extracts the name of the requested facet from request document.
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150 *
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151 * @return the name of the requested facet.
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152 */
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153 protected String getFacetFromRequest() {
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154 return XMLUtils.xpathString(
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155 request, XPATH_FACET, ArtifactNamespaceContext.INSTANCE);
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156 }
5919
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157 }
http://dive4elements.wald.intevation.org