Mercurial > dive4elements > river

annotate gwt-client/src/main/java/org/dive4elements/river/client/server/FLYSArtifactCreator.java @ 8995:8c3e5682cb60

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Introduced UNFO module
author gernotbelger
date Thu, 12 Apr 2018 19:11:11 +0200
parents 7bbfb24e6eec
children a561b882436d
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.client.server;
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11 import java.util.ArrayList;
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12 import java.util.List;
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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.w3c.dom.Document;
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17 import org.w3c.dom.Element;
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18 import org.w3c.dom.NodeList;
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19
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20 import org.apache.log4j.Logger;
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21
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22 import org.dive4elements.artifacts.common.utils.XMLUtils;
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23 import org.dive4elements.artifacts.common.ArtifactNamespaceContext;
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24
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25 import org.dive4elements.artifacts.httpclient.utils.ArtifactCreator;
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26
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27 import org.dive4elements.river.client.shared.model.Artifact;
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28 import org.dive4elements.river.client.shared.model.CalculationMessage;
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29 import org.dive4elements.river.client.shared.model.ChartArtifact;
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30 import org.dive4elements.river.client.shared.model.DefaultArtifact;
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31 import org.dive4elements.river.client.shared.model.FixAnalysisArtifact;
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32 import org.dive4elements.river.client.shared.model.GaugeDischargeCurveArtifact;
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33 import org.dive4elements.river.client.shared.model.MapArtifact;
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34 import org.dive4elements.river.client.shared.model.SINFOArtifact;
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35 import org.dive4elements.river.client.shared.model.MINFOArtifact;
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36 import org.dive4elements.river.client.shared.model.StaticSQRelationArtifact;
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37 import org.dive4elements.river.client.shared.model.UINFOArtifact;
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38 import org.dive4elements.river.client.shared.model.WINFOArtifact;
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40
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41 /**
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42 * An implementation of an {@link ArtifactCreator}. This class uses the document
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43 * that is returned by the artifact server to parse important information (like
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44 * uuid, hash) and returns a new {@link Artifact} instance.
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45 *
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46 * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a>
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47 */
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48 public class FLYSArtifactCreator implements ArtifactCreator {
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49
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50 private static final Logger log =
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51 Logger.getLogger(FLYSArtifactCreator.class);
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52
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53
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54 /** The XPath to the artifact's uuid.*/
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55 public static final String XPATH_UUID = "/art:result/art:uuid/@art:value";
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56
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57 /** The XPath to the artifact's hash value.*/
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58 public static final String XPATH_HASH = "/art:result/art:hash/@art:value";
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59
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60 /** The XPath to the artifact's name value.*/
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61 public static final String XPATH_NAME = "/art:result/art:name/@art:value";
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62
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63 /** The XPath to the value that determines if the artifact is processing in
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64 * background.*/
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65 public static final String XPATH_BACKGROUND_VALUE =
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66 "/art:result/art:background-processing/@art:value";
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67
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68 /** The XPath that points to the (if existing) background messages.*/
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69 public static final String XPATH_BACKGROUND =
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70 "/art:result/art:background-processing";
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71
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73 /**
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74 * Creates a new instance of an {@link ArtifactCreator}.
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75 */
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76 public FLYSArtifactCreator() {
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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 * This concreate implementation returns an instance of {@link Artifact}
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82 * that is used in the FLYS GWT Client code.
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83 *
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84 * @param doc A document that describes the artifact that has been created
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85 * in the artifact server.
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86 *
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87 * @return an instance if {@link Artifact}.
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88 */
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89 public Object create(Document doc) {
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90 Artifact artifact = extractArtifact(doc);
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91 artifact.setArtifactDescription(
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92 ArtifactDescriptionFactory.createArtifactDescription(doc));
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94 return artifact;
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95 }
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98 /**
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99 * This method extracts the UUID und HASH information of the returned
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100 * artifact document.
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101 *
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102 * @param doc The result of the CREATE operation.
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103 *
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104 * @return an instance of an {@link Artifact}.
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105 */
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106 protected Artifact extractArtifact(Document doc) {
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107 log.debug("FLYSArtifactCreator - extractArtifact()");
16
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108
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109 String uuid = XMLUtils.xpathString(
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110 doc, XPATH_UUID, ArtifactNamespaceContext.INSTANCE);
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111
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112 String hash = XMLUtils.xpathString(
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113 doc, XPATH_HASH, ArtifactNamespaceContext.INSTANCE);
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114
227
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115 String name = XMLUtils.xpathString(
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116 doc, XPATH_NAME, ArtifactNamespaceContext.INSTANCE);
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117
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118 String backgroundStr = XMLUtils.xpathString(
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119 doc, XPATH_BACKGROUND_VALUE, ArtifactNamespaceContext.INSTANCE);
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120
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121 boolean background = false;
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122 if (backgroundStr != null && backgroundStr.length() > 0) {
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123 background = Boolean.valueOf(backgroundStr);
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124 }
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125
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126 List<CalculationMessage> msg = parseBackgroundMessages(doc);
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127
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128 log.debug("NEW Artifact UUID: " + uuid);
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129 log.debug("NEW Artifact HASH: " + hash);
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130 log.debug("NEW Artifact NAME: " + name);
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131 log.debug("NEW Artifact IN BACKGROUND: " + background);
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132
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133 if (name == null) {
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134 return new DefaultArtifact(uuid, hash, background, msg);
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135 }
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136
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137 name = name.trim();
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138
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139 // FIXME: why do we have a super sophisticated artifact-framework if, in the end, module dependent stuff is still switched manually....
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140 if (name.equals("winfo")) {
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141 log.debug("+++++ NEW WINFO ARTIFACT.");
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142 return new WINFOArtifact(uuid, hash, background, msg);
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143 }
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144
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145 if (name.equals("new_map")) {
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146 log.debug("+++++ NEW MAP ARTIFACT.");
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147 return new MapArtifact(uuid, hash, background, msg);
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148 }
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149
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150 if (name.equals("new_chart")) {
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151 log.debug("+++++ NEW CHART ARTIFACT.");
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152 return new ChartArtifact(uuid, hash, background, msg);
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153 }
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154
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155 if (name.equals("minfo")) {
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156 log.debug("+++++ NEW MINFO ARTIFACT.");
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157 return new MINFOArtifact(uuid, hash, background, msg);
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158 }
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159
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160 if (name.equals("fixanalysis")) {
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161 log.debug("+++++ NEW FIXANALYSIS ARTIFACT.");
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162 return new FixAnalysisArtifact(uuid, hash, background, msg);
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163 }
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164
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165 if (name.equals("gaugedischargecurve")) {
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166 log.debug("+++++ NEW GAUGEDISCHARGECURVE ARTIFACT.");
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167 return new GaugeDischargeCurveArtifact(uuid, hash, background, msg);
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168 }
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169
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170 if (name.equals("staticsqrelation")) {
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171 log.debug("+++++ STATICSQRELATION ARTIFACT.");
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172 return new StaticSQRelationArtifact(uuid, hash, background, msg);
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173 }
16
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174
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175 if (name.equals("sinfo")) {
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176 log.debug("+++++ NEW SINFO ARTIFACT.");
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177 return new SINFOArtifact(uuid, hash, background, msg);
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178 }
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179
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180 if (name.equals("uinfo")) {
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181 log.debug("+++++ NEW UINFO ARTIFACT.");
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182 return new UINFOArtifact(uuid, hash, background, msg);
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183 }
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184
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185 return new DefaultArtifact(uuid, hash, background, msg);
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186 }
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187
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188
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189 public static List<CalculationMessage> parseBackgroundMessages(Document d) {
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190 NodeList list = (NodeList) XMLUtils.xpath(
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191 d, XPATH_BACKGROUND, XPathConstants.NODESET,
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192 ArtifactNamespaceContext.INSTANCE);
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193
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194 int len = list != null ? list.getLength() : 0;
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195
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196 log.debug("Found " + len + " background messages.");
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197
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198 List<CalculationMessage> res = new ArrayList<CalculationMessage>(len);
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199
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200 for (int i = 0; i < len; i++) {
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201 CalculationMessage msg = parseBackgroundMessage(
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202 (Element) list.item(i));
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203
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204 if (msg != null) {
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205 res.add(msg);
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206 }
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207 }
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208
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209 return res;
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210 }
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211
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212
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213 public static CalculationMessage parseBackgroundMessage(Element e) {
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214 String steps = e.getAttribute("art:steps");
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215 String currentStep = e.getAttribute("art:currentStep");
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216 String message = e.getTextContent();
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217
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218 int lenCurStep = currentStep != null ? currentStep.length() : 0;
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219 int lenSteps = steps != null ? steps.length() : 0;
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220 int lenMessage = message != null ? message.length() : 0;
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221
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222 if (lenSteps > 0 && lenMessage > 0 && lenCurStep > 0) {
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223 try {
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224 return new CalculationMessage(
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225 Integer.parseInt(steps),
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226 Integer.parseInt(currentStep),
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227 message);
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228
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229 }
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230 catch (NumberFormatException nfe) {
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231 nfe.printStackTrace();
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232 }
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233 }
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 862
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234
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235 return null;
14
fe2f4d1dd784 Integrated the httpclient for the communication between client and server. It is now possible to create a new WINFO artifact.
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236 }
fe2f4d1dd784 Integrated the httpclient for the communication between client and server. It is now possible to create a new WINFO artifact.
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237 }
fe2f4d1dd784 Integrated the httpclient for the communication between client and server. It is now possible to create a new WINFO artifact.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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238 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org