Mercurial > dive4elements > river

annotate artifacts/src/main/java/org/dive4elements/river/exports/ShapeExporter.java @ 5919:c35323148b98

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Removed obsolete artifacts.
author Sascha L. Teichmann <teichmann@intevation.de>
date Wed, 08 May 2013 09:58:52 +0200
parents 81bdb5c4414d
children 1b35b2ddfc28
rev   line source
5912
81bdb5c4414d New exporter and facet for wsplgen calculation result.
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parents:
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1 package org.dive4elements.river.exports;
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2
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3 import java.io.File;
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4 import java.io.FileFilter;
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5 import java.io.IOException;
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6 import java.io.OutputStream;
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7
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8 import org.apache.log4j.Logger;
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9 import org.dive4elements.artifactdatabase.state.ArtifactAndFacet;
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10 import org.dive4elements.artifactdatabase.state.Settings;
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11 import org.dive4elements.artifacts.Artifact;
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12 import org.dive4elements.artifacts.CallContext;
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13 import org.dive4elements.artifacts.common.ArtifactNamespaceContext;
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14 import org.dive4elements.artifacts.common.utils.FileTools;
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15 import org.dive4elements.artifacts.common.utils.XMLUtils;
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16 import org.dive4elements.river.collections.D4EArtifactCollection;
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17 import org.w3c.dom.Document;
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18
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19
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20 public class ShapeExporter implements OutGenerator
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21 {
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22 private static final String XPATH_FACET = "/art:action/@art:type";
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23 private static Logger logger = Logger.getLogger(ShapeExporter.class);
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24 private Artifact master;
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25 private Document request;
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26 private OutputStream out;
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27 private CallContext context;
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28 private D4EArtifactCollection collection;
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29 private String facet;
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30 private File dir;
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31
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32 @Override
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33 public void init(Document request, OutputStream out, CallContext context) {
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34 this.request = request;
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35 this.out = out;
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36 this.context = context;
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37 }
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38
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39 @Override
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40 public void setMasterArtifact(Artifact master) {
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41 this.master = master;
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42 }
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43
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44 @Override
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45 public void setCollection(D4EArtifactCollection collection) {
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46 this.collection = collection;
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47 }
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48
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49 @Override
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50 public void doOut(ArtifactAndFacet bundle, Document attr, boolean visible) {
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51 String name = bundle.getFacetName();
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52
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53 if (!isFacetValid(name)) {
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54 logger.debug("Facet '" + name + "' is not valid for this exporter!");
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55 return;
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56 }
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57
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58 addData(bundle.getData(context));
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59 }
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60
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61 private void addData(Object data) {
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62 if (data instanceof File) {
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63 this.dir = (File)data;
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64 }
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65 }
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66
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67 private boolean isFacetValid(String name) {
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68 String thisFacet = getFacet();
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69 if (thisFacet == null || thisFacet.length() == 0) {
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70 return false;
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71 }
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72 else if (facet == null || facet.length() == 0) {
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73 return false;
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74 }
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75 else {
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76 return thisFacet.equals(facet);
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77 }
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78 }
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79
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80
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81 /**
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82 * Returns the name of the desired facet.
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83 *
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84 * @return the name of the desired facet.
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85 */
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86 protected String getFacet() {
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87 if (facet == null) {
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88 facet = getFacetFromRequest();
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89 }
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90
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91 return facet;
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92 }
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93
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94 @Override
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95 public void generate() throws IOException {
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96 FileFilter filter = new FileFilter() {
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97 @Override
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98 public boolean accept(File pathname) {
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99 if (pathname.getName().startsWith("wsplgen") &&
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100 !pathname.getName().endsWith(".par")) {
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101 return true;
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102 }
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103 else {
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104 return false;
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105 }
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106 }
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107 };
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108 FileTools.createZipArchive(this.dir, out, filter);
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109 out.close();
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110 }
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111
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112 @Override
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113 public void setSettings(Settings settings) {
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114 //Do nothing.
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115 }
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116
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117 @Override
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118 public Settings getSettings() {
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119 // This exporter has no settings.
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120 return null;
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121 }
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122
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123 /**
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124 * Extracts the name of the requested facet from request document.
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125 *
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126 * @return the name of the requested facet.
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127 */
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128 protected String getFacetFromRequest() {
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129 return XMLUtils.xpathString(
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130 request, XPATH_FACET, ArtifactNamespaceContext.INSTANCE);
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131 }
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132 }
http://dive4elements.wald.intevation.org