Mercurial > dive4elements > river

annotate gwt-client/src/main/java/org/dive4elements/river/client/server/FLYSArtifactCreator.java @ 5861:172338b1407f

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GWT client: Added copyright header.
author Sascha L. Teichmann <teichmann@intevation.de>
date Sun, 28 Apr 2013 14:30:15 +0200
parents 5aa05a7a34b7
children ea9eef426962
rev   line source
5861
172338b1407f GWT client: Added copyright header.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5838
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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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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.MINFOArtifact;
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35 import org.dive4elements.river.client.shared.model.StaticSQRelationArtifact;
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36 import org.dive4elements.river.client.shared.model.WINFOArtifact;
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37
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39 /**
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40 * An implementation of an {@link ArtifactCreator}. This class uses the document
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41 * that is returned by the artifact server to parse important information (like
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42 * uuid, hash) and returns a new {@link Artifact} instance.
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43 *
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44 * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a>
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45 */
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46 public class FLYSArtifactCreator implements ArtifactCreator {
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47
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48 private static final Logger logger =
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49 Logger.getLogger(FLYSArtifactCreator.class);
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50
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51
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52 /** The XPath to the artifact's uuid.*/
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53 public static final String XPATH_UUID = "/art:result/art:uuid/@art:value";
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54
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55 /** The XPath to the artifact's hash value.*/
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56 public static final String XPATH_HASH = "/art:result/art:hash/@art:value";
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57
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58 /** The XPath to the artifact's name value.*/
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59 public static final String XPATH_NAME = "/art:result/art:name/@art:value";
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60
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61 /** The XPath to the value that determines if the artifact is processing in
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62 * background.*/
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63 public static final String XPATH_BACKGROUND_VALUE =
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64 "/art:result/art:background-processing/@art:value";
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65
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66 /** The XPath that points to the (if existing) background messages.*/
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67 public static final String XPATH_BACKGROUND =
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68 "/art:result/art:background-processing";
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69
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71 /**
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72 * Creates a new instance of an {@link ArtifactCreator}.
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73 */
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74 public FLYSArtifactCreator() {
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75 }
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76
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77
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78 /**
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79 * This concreate implementation returns an instance of {@link Artifact}
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80 * that is used in the FLYS GWT Client code.
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81 *
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82 * @param doc A document that describes the artifact that has been created
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83 * in the artifact server.
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84 *
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85 * @return an instance if {@link Artifact}.
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86 */
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87 public Object create(Document doc) {
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88 Artifact artifact = extractArtifact(doc);
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89 artifact.setArtifactDescription(
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90 ArtifactDescriptionFactory.createArtifactDescription(doc));
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92 return artifact;
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93 }
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96 /**
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97 * This method extracts the UUID und HASH information of the returned
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98 * artifact document.
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99 *
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100 * @param doc The result of the CREATE operation.
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101 *
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102 * @return an instance of an {@link Artifact}.
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103 */
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104 protected Artifact extractArtifact(Document doc) {
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105 logger.debug("FLYSArtifactCreator - extractArtifact()");
16
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106
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107 String uuid = XMLUtils.xpathString(
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108 doc, XPATH_UUID, ArtifactNamespaceContext.INSTANCE);
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109
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110 String hash = XMLUtils.xpathString(
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111 doc, XPATH_HASH, ArtifactNamespaceContext.INSTANCE);
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112
227
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113 String name = XMLUtils.xpathString(
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114 doc, XPATH_NAME, ArtifactNamespaceContext.INSTANCE);
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115
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116 String backgroundStr = XMLUtils.xpathString(
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117 doc, XPATH_BACKGROUND_VALUE, ArtifactNamespaceContext.INSTANCE);
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118
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119 boolean background = false;
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120 if (backgroundStr != null && backgroundStr.length() > 0) {
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121 background = Boolean.valueOf(backgroundStr);
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122 }
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123
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124 List<CalculationMessage> msg = parseBackgroundMessages(doc);
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125
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126 logger.debug("NEW Artifact UUID: " + uuid);
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127 logger.debug("NEW Artifact HASH: " + hash);
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128 logger.debug("NEW Artifact NAME: " + name);
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129 logger.debug("NEW Artifact IN BACKGROUND: " + background);
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130
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131 if (name == null) {
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132 return new DefaultArtifact(uuid, hash, background, msg);
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133 }
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134
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135 name = name.trim();
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136
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137 if (name.length() > 0 && name.equals("winfo")) {
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138 logger.debug("+++++ NEW WINFO ARTIFACT.");
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139 return new WINFOArtifact(uuid, hash, background, msg);
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140 }
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141 else if (name.length() > 0 && name.equals("new_map")) {
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142 logger.debug("+++++ NEW MAP ARTIFACT.");
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143 return new MapArtifact(uuid, hash, background, msg);
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144 }
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145 else if (name.length() > 0 && name.equals("new_chart")) {
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146 logger.debug("+++++ NEW CHART ARTIFACT.");
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147 return new ChartArtifact(uuid, hash, background, msg);
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148 }
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149 else if (name.length() > 0 && name.equals("minfo")) {
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150 logger.debug("+++++ NEW MINFO ARTIFACT.");
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151 return new MINFOArtifact(uuid, hash, background, msg);
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152 }
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153 else if (name.length() > 0 && name.equals("fixanalysis")) {
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154 logger.debug("+++++ NEW FIXANALYSIS ARTIFACT.");
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155 return new FixAnalysisArtifact(uuid, hash, background, msg);
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156 }
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157 else if (name.length() > 0 && name.equals("gaugedischargecurve")) {
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158 logger.debug("+++++ NEW GAUGEDISCHARGECURVE ARTIFACT.");
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159 return new GaugeDischargeCurveArtifact(uuid, hash, background, msg);
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160 }
5503
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161 else if (name.length() > 0 && name.equals("staticsqrelation")) {
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162 logger.debug("+++++ STATICSQRELATION ARTIFACT.");
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163 return new StaticSQRelationArtifact(uuid, hash, background, msg);
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164 }
16
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165
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166 return new DefaultArtifact(uuid, hash, background, msg);
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167 }
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168
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169
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170 public static List<CalculationMessage> parseBackgroundMessages(Document d) {
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171 NodeList list = (NodeList) XMLUtils.xpath(
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172 d, XPATH_BACKGROUND, XPathConstants.NODESET,
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173 ArtifactNamespaceContext.INSTANCE);
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174
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175 int len = list != null ? list.getLength() : 0;
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176
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177 logger.debug("Found " + len + " background messages.");
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178
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179 List<CalculationMessage> res = new ArrayList<CalculationMessage>(len);
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180
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181 for (int i = 0; i < len; i++) {
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182 CalculationMessage msg = parseBackgroundMessage(
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183 (Element) list.item(i));
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184
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185 if (msg != null) {
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186 res.add(msg);
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187 }
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188 }
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189
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190 return res;
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191 }
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192
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193
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194 public static CalculationMessage parseBackgroundMessage(Element e) {
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195 String steps = e.getAttribute("art:steps");
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196 String currentStep = e.getAttribute("art:currentStep");
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197 String message = e.getTextContent();
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198
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199 int lenCurStep = currentStep != null ? currentStep.length() : 0;
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200 int lenSteps = steps != null ? steps.length() : 0;
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201 int lenMessage = message != null ? message.length() : 0;
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202
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203 if (lenSteps > 0 && lenMessage > 0 && lenCurStep > 0) {
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204 try {
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205 return new CalculationMessage(
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206 Integer.parseInt(steps),
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207 Integer.parseInt(currentStep),
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208 message);
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209
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210 }
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211 catch (NumberFormatException nfe) {
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212 nfe.printStackTrace();
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parents: 862
diff changeset
213 }
d5fb88ba99d2 Display status message and progress information in the WSPLGEN loading panel.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 862
diff changeset
214 }
d5fb88ba99d2 Display status message and progress information in the WSPLGEN loading panel.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 862
diff changeset
215
d5fb88ba99d2 Display status message and progress information in the WSPLGEN loading panel.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 862
diff changeset
216 return null;
14
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>
parents:
diff changeset
217 }
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>
parents:
diff changeset
218 }
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>
parents:
diff changeset
219 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org