Mercurial > dive4elements > gnv-client

annotate gnv-artifacts/src/main/java/de/intevation/gnv/artifacts/GNVArtifactBase.java @ 112:b8dbf39ca935

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Fixed some text/xml MIME types in configuration. gnv-artifacts/trunk@161 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Sascha L. Teichmann <sascha.teichmann@intevation.de>
date Wed, 30 Sep 2009 06:00:21 +0000
parents bb45c5097cb6
children 158e89c2263b
rev   line source
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1 /**
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2 *
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3 */
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4 package de.intevation.gnv.artifacts;
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5
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6 import java.io.IOException;
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7 import java.io.OutputStream;
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8 import java.util.ArrayList;
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9 import java.util.Collection;
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10 import java.util.HashMap;
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11 import java.util.Iterator;
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12 import java.util.Map;
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13
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14 import javax.xml.XMLConstants;
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15 import javax.xml.xpath.XPathConstants;
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16
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17 import org.apache.log4j.Logger;
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18 import org.w3c.dom.Document;
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19 import org.w3c.dom.Element;
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20 import org.w3c.dom.Node;
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21 import org.w3c.dom.NodeList;
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22
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23 import de.intevation.artifactdatabase.Config;
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24 import de.intevation.artifactdatabase.DefaultArtifact;
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25 import de.intevation.artifactdatabase.XMLUtils;
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26 import de.intevation.artifacts.ArtifactFactory;
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27 import de.intevation.artifacts.ArtifactNamespaceContext;
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28 import de.intevation.artifacts.CallContext;
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29 import de.intevation.gnv.artifacts.context.GNVArtifactContext;
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30 import de.intevation.gnv.transition.DefaultInputData;
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31 import de.intevation.gnv.transition.InputData;
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32 import de.intevation.gnv.transition.InputValue;
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33 import de.intevation.gnv.transition.OutputMode;
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34 import de.intevation.gnv.transition.OutputTransition;
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35 import de.intevation.gnv.transition.Transition;
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36 import de.intevation.gnv.transition.TransitionFactory;
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37 import de.intevation.gnv.transition.exception.TransitionException;
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38 import de.intevation.gnv.utils.ArtifactXMLUtilities;
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39
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40 /**
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41 * @author Tim Englich <tim.englich@intevation.de>
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42 *
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43 */
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44 public abstract class GNVArtifactBase extends DefaultArtifact {
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45 /**
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46 * the logger, used to log exceptions and additonaly information
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47 */
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48 private static Logger log = Logger.getLogger(GNVArtifactBase.class);
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49 /**
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50 * The UID of this Class
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51 */
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52 private static final long serialVersionUID = -8907096744400741458L;
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53
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54 /**
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55 * The Identifier for the Replacement of the Artifactname
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56 */
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57 public static final String XPATH_IDENTIFIER_REPLACE = "IDENTIFIER";
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58
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59 /**
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60 * The XPATH to the XML-Fragment that should be used for the Configuration
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61 */
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62 public static final String XPATH_ARTIFACT_CONFIGURATION= "/artifact-database/artifacts/artifact[@name='"+XPATH_IDENTIFIER_REPLACE+"']";
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63
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65 /**
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66 * The current Transition
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67 */
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68 protected Transition current = null;
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69
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70 /**
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71 * The Transitions that can be used
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72 */
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73 protected Map<String, Transition> transitions = null;
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74
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75 /**
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76 * The Name of the Artifact
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77 */
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78 protected String name = null;
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79
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80 private ArtifactXMLUtilities xmlUtilities = new ArtifactXMLUtilities();
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81
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82 /**
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83 * Constructor
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84 */
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85 public GNVArtifactBase() {
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86 super();
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87 }
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88
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89 /**
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90 * @see de.intevation.artifactdatabase.DefaultArtifact#advance(org.w3c.dom.Document, de.intevation.artifacts.CallContext)
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91 */
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92 @Override
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93 public Document advance(Document target, CallContext context) {
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94 log.debug("GNVArtifactBase.advance");
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95 String uuid = Config.getStringXPath(target, "action/uuid/@value");
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96 Document result = XMLUtils.newDocument();
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97 try {
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98 if (this.current != null){
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99 String transitionName = this.readTransitionName(target);
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100 if (this.current.isTransitionReachable(transitionName)){
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101 // 1. Pr�fung ob Transition valide ist
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102 if (this.current.validate()){
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103
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104 try {
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105 Transition nextStep = this.transitions.get(transitionName);
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106 // 2.Ergebnisse Berechnen
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107 this.current.advance(uuid);
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108 // 3. Ergebnisse �bergeben
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109 nextStep.setDescibeData(this.current.getDescibeData());
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110 nextStep.putInputData(this.current.getInputData(),uuid);
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111 // 4. Umschalten auf neue Transistion
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112 this.current = nextStep;
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113 result = new ArtifactXMLUtilities().createSuccessReport("Advance success", XMLUtils.newDocument());
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114 } catch (TransitionException e) {
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115 log.error(e,e);
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116 result = new ArtifactXMLUtilities().createExceptionReport(e.getLocalizedMessage(), XMLUtils.newDocument());
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117 }
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118
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119 }else{
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120 String msg = "Advance nicht m�glich, da die Bedingungen f�r den �bergang " +
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121 "in den neuen Zustand noch nicht gegeben ist.";
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122 log.error(msg);
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123 result = new ArtifactXMLUtilities().createExceptionReport(msg, XMLUtils.newDocument());
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124 }
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125
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126 }else{
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127 String msg = "Transitions�bergang wird nicht unterst�tzt.";
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128 log.error(msg);
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129 result = new ArtifactXMLUtilities().createExceptionReport(msg, XMLUtils.newDocument());
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130 }
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131 }else{
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132 String msg = "Kein Transitionsschritt aktiviert.";
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133 log.error(msg);
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134 result = new ArtifactXMLUtilities().createExceptionReport(msg, XMLUtils.newDocument());
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135 }
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136 } catch (Exception e) {
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137 log.error(e,e);
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138 result = new ArtifactXMLUtilities().createExceptionReport(e.getLocalizedMessage(), XMLUtils.newDocument());
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139 }
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140 return result;
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141 }
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142
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143 protected String readTransitionName(Document document) {
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144 String returnValue = Config.getStringXPath(document, "action/target/@name");
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145 return returnValue;
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146 }
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147
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148 protected Node getConfigurationFragment(Document document){
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149 log.debug("GNVArtifactBase.getConfigurationFragment");
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150 String xpathQuery = XPATH_ARTIFACT_CONFIGURATION.replaceAll(XPATH_IDENTIFIER_REPLACE, this.name);
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151 log.debug(xpathQuery);
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152 return Config.getNodeXPath(document,xpathQuery);
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153 }
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154
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155 /**
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156 * @see de.intevation.artifactdatabase.DefaultArtifact#feed(org.w3c.dom.Document, de.intevation.artifacts.CallContext)
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157 */
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158 @Override
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159 public Document feed(Document target, CallContext context) {
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160 log.debug("GNVArtifactBase.feed");
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161 Document result = XMLUtils.newDocument();
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162 try {
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163 if (this.current != null){
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164 String uuid = Config.getStringXPath(target, "action/uuid/@value");
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165 this.current.putInputData(this.parseInputData(target, "/action/data/input"),uuid);
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166 result = new ArtifactXMLUtilities().createSuccessReport("Feed success", XMLUtils.newDocument());
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167 }else{
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168 String msg = "No Transition instantiated";
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169 log.warn(msg);
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170 result = new ArtifactXMLUtilities().createExceptionReport(msg, XMLUtils.newDocument());
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171 }
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172 } catch (TransitionException e) {
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173 log.error(e,e);
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174 result = new ArtifactXMLUtilities().createExceptionReport(e.getLocalizedMessage(), XMLUtils.newDocument());
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175 }
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176 return result;
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177 }
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178
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179 /**
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180 * @see de.intevation.artifactdatabase.DefaultArtifact#setup(java.lang.String, java.lang.Object)
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181 */
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182 @Override
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183 public void setup(String identifier, ArtifactFactory factory, Object context) {
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184 log.debug("GNVArtifactBase.setup");
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185 super.setup(identifier, factory, context);
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186
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187 Object localContext = context;
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188 if (context instanceof CallContext){
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189 localContext = ((CallContext)context).globalContext();
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190
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191 }
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192
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193 if (localContext instanceof GNVArtifactContext){
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194 GNVArtifactContext gnvContext = (GNVArtifactContext)localContext;
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195 Document doc = gnvContext.getConfig();
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196 Node artifactNode = this.getConfigurationFragment(doc);
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197 NodeList transitionList = Config.getNodeSetXPath(artifactNode, "transitions/transition");
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198 this.transitions = new HashMap<String, Transition>(transitionList.getLength());
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199 for (int i = 0 ; i < transitionList.getLength(); i++){
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200 Transition tmpTransition = TransitionFactory.getInstance().createTransition(transitionList.item(i));
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201 if (tmpTransition != null){
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202 this.transitions.put(tmpTransition.getID(), tmpTransition);
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203 if (this.current == null){
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204 this.current = tmpTransition;
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205 }
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206 }
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207 }
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208
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209 }
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210 }
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211
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212
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213 protected Document createDescibeOutput(){
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214 log.debug("GNVArtifactBase.createDescibeOutput");
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215 Document document = XMLUtils.newDocument();
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216 Element rootNode = this.createRootNode(document);
54
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217 this.createHeader(rootNode, document, "describe");
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218 this.createOutputs(rootNode, document);
54
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219 this.createCurrentState(rootNode, document);
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220 this.createReachableStates(rootNode, document);
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221 this.createModel(rootNode, document);
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222 this.createUserInterface(rootNode, document);
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223 return document;
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224 }
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225
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226 protected Element createRootNode(Document document){
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227 Element rootNode = xmlUtilities.createArtifactElement(document,"result");
54
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228 document.appendChild(rootNode);
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229 return rootNode;
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230 }
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231
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232 protected void createHeader(Element parent, Document document, String documentType){
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233 Element typeNode = xmlUtilities.createArtifactElement(document,"type");
54
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234 typeNode.setAttribute("name", documentType);
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235 parent.appendChild(typeNode);
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236
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237 Element uuidNode = xmlUtilities.createArtifactElement(document,"uuid");
54
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238 uuidNode.setAttribute("value", super.identifier);
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239 parent.appendChild(uuidNode);
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240
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241 Element hashNode = xmlUtilities.createArtifactElement(document,"hash");
54
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242 hashNode.setAttribute("value", this.hash());
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243 parent.appendChild(hashNode);
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244 }
54
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245
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246 protected void createReachableStates(Element parent,Document document){
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247 Element stateNode = xmlUtilities.createArtifactElement(document,"reachable-states");
54
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248 if (this.current != null){
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249 Iterator<String> states = this.current.reachableTransitions().iterator();
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250 while(states.hasNext()){
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diff changeset
251 String value = states.next();
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diff changeset
252 Element currentNode = xmlUtilities.createArtifactElement(document,"state");
54
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diff changeset
253 currentNode.setAttribute("name", value);
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254 log.debug("Reachable State: "+value);
54
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diff changeset
255 currentNode.setAttribute("description", transitions.get(value).getDescription());
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256 stateNode.appendChild(currentNode);
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257 }
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258 }
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diff changeset
259 parent.appendChild(stateNode);
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260 }
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261
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262 protected void createCurrentState(Element parent, Document document){
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263 Element stateNode = xmlUtilities.createArtifactElement(document,"state");
54
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diff changeset
264 stateNode.setAttribute("name", this.current.getID());
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265 stateNode.setAttribute("description", this.current.getDescription());
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266 parent.appendChild(stateNode);
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267 }
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268
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269
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270 protected void createModel(Element parent, Document document){
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271 Element modelNode = xmlUtilities.createArtifactElement(document,"model");
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272 if (this.current != null){
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diff changeset
273 Collection<InputValue> inputValues = this.current.getRequiredInputValues();
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274 if (inputValues != null){
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275 Iterator<InputValue> it = inputValues.iterator();
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diff changeset
276 while(it.hasNext()){
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277 InputValue inputValue = it.next();
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278 Element inputNode = xmlUtilities.createArtifactElement(document,"input");
56
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279 inputNode.setAttribute("name", inputValue.getName());
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280 inputNode.setAttribute("type", inputValue.getType());
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281 modelNode.appendChild(inputNode);
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282 }
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283 }
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284 }
54
09b4bf848c7b 2009-09-08 Tim Englich <tim.englich@intevation.de>
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285 parent.appendChild(modelNode);
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286 }
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287
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288 protected void createUserInterface(Element parent, Document document){
71
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289 Element uiNode = xmlUtilities.createArtifactElement(document,"ui");
54
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290
61
5f47881f7c97 Implementation of the MIN- / MAX-Value Representation
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291 if (this.current != null){
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292 this.current.describe(document, uiNode);
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293 }
54
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294
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295 parent.appendChild(uiNode);
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296 }
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297
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298 protected void createOutputs(Element parent, Document document){
64
5db77e0a8594 Integrated Output Methods and Interfacsstructure
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299 log.debug("GNVArtifactBase.createOutputs");
71
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diff changeset
300 Element outputsNode = xmlUtilities.createArtifactElement(document,"outputs");
64
5db77e0a8594 Integrated Output Methods and Interfacsstructure
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diff changeset
301 if (this.current instanceof OutputTransition){
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diff changeset
302 Collection<OutputMode> outputModes = ((OutputTransition)this.current).getOutputModes();
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303 if (outputModes != null){
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304 Iterator<OutputMode> it = outputModes.iterator();
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diff changeset
305 while(it.hasNext()){
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306 OutputMode outputMode = it.next();
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307 log.debug("Write Outputnode for "+ outputMode.toString());
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308 Element outputModeNode = xmlUtilities.createArtifactElement(document,"output");
64
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diff changeset
309 outputModeNode.setAttribute("name", outputMode.getName());
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diff changeset
310 outputModeNode.setAttribute("description", outputMode.getDescription());
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diff changeset
311 outputModeNode.setAttribute("mime-type", outputMode.getMimeType());
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312 outputsNode.appendChild(outputModeNode);
91
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313
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314 Collection<InputValue> inputParameters = outputMode.getInputParameters();
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diff changeset
315 if (inputParameters != null){
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316 Element inputParametersNode = xmlUtilities.createArtifactElement(document,"parameter");
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317 outputModeNode.appendChild(inputParametersNode);
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diff changeset
318 Iterator<InputValue> it2 = inputParameters.iterator();
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diff changeset
319 while (it2.hasNext()){
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diff changeset
320 InputValue inputValue = it2.next();
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diff changeset
321 Element inputParameterNode = xmlUtilities.createArtifactElement(document,"parameter");
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diff changeset
322 inputParametersNode.appendChild(inputParameterNode);
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diff changeset
323 inputParameterNode.setAttribute("name", inputValue.getName());
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diff changeset
324 inputParameterNode.setAttribute("type", inputValue.getType());
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diff changeset
325 inputParameterNode.setAttribute("value", inputValue.getDefaultValue());
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diff changeset
326 }
bd284d8306db Added Support for Patameters in OutputModes
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diff changeset
327 }
64
5db77e0a8594 Integrated Output Methods and Interfacsstructure
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diff changeset
328 }
5db77e0a8594 Integrated Output Methods and Interfacsstructure
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diff changeset
329 }else{
5db77e0a8594 Integrated Output Methods and Interfacsstructure
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330 log.warn("No Outputmodes given.");
5db77e0a8594 Integrated Output Methods and Interfacsstructure
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331 }
5db77e0a8594 Integrated Output Methods and Interfacsstructure
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parents: 61
diff changeset
332 }
54
09b4bf848c7b 2009-09-08 Tim Englich <tim.englich@intevation.de>
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parents: 52
diff changeset
333 parent.appendChild(outputsNode);
09b4bf848c7b 2009-09-08 Tim Englich <tim.englich@intevation.de>
Tim Englich <tim.englich@intevation.de>
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diff changeset
334 }
09b4bf848c7b 2009-09-08 Tim Englich <tim.englich@intevation.de>
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parents: 52
diff changeset
335
09b4bf848c7b 2009-09-08 Tim Englich <tim.englich@intevation.de>
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parents: 52
diff changeset
336
91
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diff changeset
337 protected Collection<InputData> parseInputData(Document document, String xPath){
57
f01592cd6419 Funktionalität Feed initial bereitgestellt.
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diff changeset
338 log.debug("GNVArtifactBase.parseInputData");
78
969faa37a11b Added Multiselectsupport for InputValues
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diff changeset
339 HashMap<String,InputData> returnValue = null;
57
f01592cd6419 Funktionalität Feed initial bereitgestellt.
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parents: 56
diff changeset
340
71
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diff changeset
341 log.debug(new ArtifactXMLUtilities().writeDocument2String(document));
e4ecf3188bdf Integrated FIS-Artifact
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diff changeset
342
91
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diff changeset
343 NodeList inputElemets = (NodeList)XMLUtils.xpath(document, xPath,XPathConstants.NODESET, ArtifactNamespaceContext.INSTANCE);//Config.getNodeSetXPath(document, "");
57
f01592cd6419 Funktionalität Feed initial bereitgestellt.
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diff changeset
344 if(inputElemets != null){
78
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diff changeset
345 returnValue = new HashMap<String,InputData>(inputElemets.getLength());
57
f01592cd6419 Funktionalität Feed initial bereitgestellt.
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diff changeset
346 for (int i = 0; i < inputElemets.getLength(); i++){
f01592cd6419 Funktionalität Feed initial bereitgestellt.
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diff changeset
347 Node inputDataNode = inputElemets.item(i);
78
969faa37a11b Added Multiselectsupport for InputValues
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parents: 77
diff changeset
348 String name = Config.getStringXPath(inputDataNode,"@name");
969faa37a11b Added Multiselectsupport for InputValues
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diff changeset
349 String value = Config.getStringXPath(inputDataNode,"@value");
969faa37a11b Added Multiselectsupport for InputValues
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diff changeset
350
969faa37a11b Added Multiselectsupport for InputValues
Tim Englich <tim.englich@intevation.de>
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diff changeset
351 if (returnValue.containsKey(name)){
969faa37a11b Added Multiselectsupport for InputValues
Tim Englich <tim.englich@intevation.de>
parents: 77
diff changeset
352 InputData inputData = returnValue.get(name);
969faa37a11b Added Multiselectsupport for InputValues
Tim Englich <tim.englich@intevation.de>
parents: 77
diff changeset
353 inputData.concartValue(value);
969faa37a11b Added Multiselectsupport for InputValues
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parents: 77
diff changeset
354 log.debug(inputData.toString());
969faa37a11b Added Multiselectsupport for InputValues
Tim Englich <tim.englich@intevation.de>
parents: 77
diff changeset
355 returnValue.put(name, inputData);
969faa37a11b Added Multiselectsupport for InputValues
Tim Englich <tim.englich@intevation.de>
parents: 77
diff changeset
356 }else{
969faa37a11b Added Multiselectsupport for InputValues
Tim Englich <tim.englich@intevation.de>
parents: 77
diff changeset
357 InputData inputData = new DefaultInputData(name,value);
969faa37a11b Added Multiselectsupport for InputValues
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parents: 77
diff changeset
358
969faa37a11b Added Multiselectsupport for InputValues
Tim Englich <tim.englich@intevation.de>
parents: 77
diff changeset
359 returnValue.put(name,inputData);
969faa37a11b Added Multiselectsupport for InputValues
Tim Englich <tim.englich@intevation.de>
parents: 77
diff changeset
360 }
57
f01592cd6419 Funktionalität Feed initial bereitgestellt.
Tim Englich <tim.englich@intevation.de>
parents: 56
diff changeset
361 }
f01592cd6419 Funktionalität Feed initial bereitgestellt.
Tim Englich <tim.englich@intevation.de>
parents: 56
diff changeset
362 }
78
969faa37a11b Added Multiselectsupport for InputValues
Tim Englich <tim.englich@intevation.de>
parents: 77
diff changeset
363 return returnValue.values();
57
f01592cd6419 Funktionalität Feed initial bereitgestellt.
Tim Englich <tim.englich@intevation.de>
parents: 56
diff changeset
364 }
99
bb45c5097cb6 ehcache Integration for storing the chartresultvalues
Tim Englich <tim.englich@intevation.de>
parents: 91
diff changeset
365
73
504570de21fd Refactoring Work depending on Infrastructurchanges in the Artifact-Module
Tim Englich <tim.englich@intevation.de>
parents: 71
diff changeset
366
504570de21fd Refactoring Work depending on Infrastructurchanges in the Artifact-Module
Tim Englich <tim.englich@intevation.de>
parents: 71
diff changeset
367 /**
504570de21fd Refactoring Work depending on Infrastructurchanges in the Artifact-Module
Tim Englich <tim.englich@intevation.de>
parents: 71
diff changeset
368 * @see de.intevation.artifactdatabase.DefaultArtifact#out(org.w3c.dom.Document, java.io.OutputStream, de.intevation.artifacts.CallContext)
504570de21fd Refactoring Work depending on Infrastructurchanges in the Artifact-Module
Tim Englich <tim.englich@intevation.de>
parents: 71
diff changeset
369 */
504570de21fd Refactoring Work depending on Infrastructurchanges in the Artifact-Module
Tim Englich <tim.englich@intevation.de>
parents: 71
diff changeset
370 @Override
504570de21fd Refactoring Work depending on Infrastructurchanges in the Artifact-Module
Tim Englich <tim.englich@intevation.de>
parents: 71
diff changeset
371 public void out(Document format, OutputStream outputStream, CallContext context)
504570de21fd Refactoring Work depending on Infrastructurchanges in the Artifact-Module
Tim Englich <tim.englich@intevation.de>
parents: 71
diff changeset
372 throws IOException {
68
d117fd4b82e5 Chartrendering integrated in Timeseries Transition
Tim Englich <tim.englich@intevation.de>
parents: 64
diff changeset
373 log.debug("TGNVArtifactBase.out");
d117fd4b82e5 Chartrendering integrated in Timeseries Transition
Tim Englich <tim.englich@intevation.de>
parents: 64
diff changeset
374 try {
d117fd4b82e5 Chartrendering integrated in Timeseries Transition
Tim Englich <tim.englich@intevation.de>
parents: 64
diff changeset
375
d117fd4b82e5 Chartrendering integrated in Timeseries Transition
Tim Englich <tim.englich@intevation.de>
parents: 64
diff changeset
376 if (current != null && current instanceof OutputTransition){
99
bb45c5097cb6 ehcache Integration for storing the chartresultvalues
Tim Englich <tim.englich@intevation.de>
parents: 91
diff changeset
377 String uuid = Config.getStringXPath(format, "action/uuid/@value");
bb45c5097cb6 ehcache Integration for storing the chartresultvalues
Tim Englich <tim.englich@intevation.de>
parents: 91
diff changeset
378 ((OutputTransition)current).out(this.readOutputType(format),this.parseInputData(format, "/action/out/params/input"), outputStream,uuid);
bb45c5097cb6 ehcache Integration for storing the chartresultvalues
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parents: 91
diff changeset
379 //context.afterCall(CallContext.STORE); // TODO: FIXME Schmutzige L�sung: Besser einen weiteren Transitionsschritt zwischenschalten.
68
d117fd4b82e5 Chartrendering integrated in Timeseries Transition
Tim Englich <tim.englich@intevation.de>
parents: 64
diff changeset
380 }
d117fd4b82e5 Chartrendering integrated in Timeseries Transition
Tim Englich <tim.englich@intevation.de>
parents: 64
diff changeset
381 } catch (TransitionException e) {
d117fd4b82e5 Chartrendering integrated in Timeseries Transition
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parents: 64
diff changeset
382 log.error(e,e);
89
cde042a0a395 Successreporting added
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parents: 88
diff changeset
383 throw new IOException(e.getMessage());
68
d117fd4b82e5 Chartrendering integrated in Timeseries Transition
Tim Englich <tim.englich@intevation.de>
parents: 64
diff changeset
384 }
d117fd4b82e5 Chartrendering integrated in Timeseries Transition
Tim Englich <tim.englich@intevation.de>
parents: 64
diff changeset
385 }
73
504570de21fd Refactoring Work depending on Infrastructurchanges in the Artifact-Module
Tim Englich <tim.englich@intevation.de>
parents: 71
diff changeset
386
91
bd284d8306db Added Support for Patameters in OutputModes
Tim Englich <tim.englich@intevation.de>
parents: 90
diff changeset
387
68
d117fd4b82e5 Chartrendering integrated in Timeseries Transition
Tim Englich <tim.englich@intevation.de>
parents: 64
diff changeset
388 protected String readOutputType(Document document){
d117fd4b82e5 Chartrendering integrated in Timeseries Transition
Tim Englich <tim.englich@intevation.de>
parents: 64
diff changeset
389 String value = Config.getStringXPath(document,"action/out/@name");
d117fd4b82e5 Chartrendering integrated in Timeseries Transition
Tim Englich <tim.englich@intevation.de>
parents: 64
diff changeset
390 return value;
d117fd4b82e5 Chartrendering integrated in Timeseries Transition
Tim Englich <tim.englich@intevation.de>
parents: 64
diff changeset
391 }
52
4d6a82b96059 First Implementation of the GNV-Artifacts
Tim Englich <tim.englich@intevation.de>
parents:
diff changeset
392 }
http://dive4elements.wald.intevation.org