Mercurial > dive4elements > gnv-client

comparison gnv-artifacts/src/main/java/de/intevation/gnv/artifacts/GNVArtifactBase.java @ 204:734ac082c8d1

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Split the Configuration File in several small Documents to speed up the Artifactinstantiation and also make the administration of the Artifactdatabase easier. issue40 and issue59 gnv-artifacts/trunk@259 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Tim Englich <tim.englich@intevation.de>
date Thu, 22 Oct 2009 08:50:21 +0000
parents 00c1a931b9c3
children d87347142702
comparison
equal deleted inserted replaced
203:226091ed3cbd 204:734ac082c8d1
8 import java.util.Collection; 8 import java.util.Collection;
9 import java.util.HashMap; 9 import java.util.HashMap;
10 import java.util.Iterator; 10 import java.util.Iterator;
11 import java.util.Map; 11 import java.util.Map;
12 12
13 import javax.xml.parsers.DocumentBuilderFactory;
14 import javax.xml.parsers.ParserConfigurationException;
13 import javax.xml.xpath.XPathConstants; 15 import javax.xml.xpath.XPathConstants;
14 16
15 import org.apache.log4j.Logger; 17 import org.apache.log4j.Logger;
16 import org.w3c.dom.Document; 18 import org.w3c.dom.Document;
17 import org.w3c.dom.Element; 19 import org.w3c.dom.Element;
18 import org.w3c.dom.Node; 20 import org.w3c.dom.Node;
19 import org.w3c.dom.NodeList; 21 import org.w3c.dom.NodeList;
22 import org.xml.sax.SAXException;
20 23
21 import de.intevation.artifactdatabase.Config; 24 import de.intevation.artifactdatabase.Config;
22 import de.intevation.artifactdatabase.DefaultArtifact; 25 import de.intevation.artifactdatabase.DefaultArtifact;
23 import de.intevation.artifactdatabase.XMLUtils; 26 import de.intevation.artifactdatabase.XMLUtils;
24 import de.intevation.artifacts.ArtifactFactory; 27 import de.intevation.artifacts.ArtifactFactory;
106 try { 109 try {
107 Transition nextStep = this.transitions 110 Transition nextStep = this.transitions
108 .get(transitionName); 111 .get(transitionName);
109 // 2.Ergebnisse Berechnen 112 // 2.Ergebnisse Berechnen
110 this.current.advance(uuid, context.getMeta()); 113 this.current.advance(uuid, context.getMeta());
111 // 3. Ergebnisse übergeben 114 // 3. Ergebnisse Übergeben
112 nextStep.setDescibeData(this.current 115 nextStep.setDescibeData(this.current
113 .getDescibeData()); 116 .getDescibeData());
114 nextStep.putInputData(this.current.getInputData(), 117 nextStep.putInputData(this.current.getInputData(),
115 uuid); 118 uuid);
116 // 4. Umschalten auf neue Transistion 119 // 4. Umschalten auf neue Transistion
164 protected Node getConfigurationFragment(Document document) { 167 protected Node getConfigurationFragment(Document document) {
165 log.debug("GNVArtifactBase.getConfigurationFragment"); 168 log.debug("GNVArtifactBase.getConfigurationFragment");
166 String xpathQuery = XPATH_ARTIFACT_CONFIGURATION.replaceAll( 169 String xpathQuery = XPATH_ARTIFACT_CONFIGURATION.replaceAll(
167 XPATH_IDENTIFIER_REPLACE, this.name); 170 XPATH_IDENTIFIER_REPLACE, this.name);
168 log.debug(xpathQuery); 171 log.debug(xpathQuery);
169 return Config.getNodeXPath(document, xpathQuery); 172
173 Element configurationNode = (Element)Config.getNodeXPath(document, xpathQuery);
174
175 String link = configurationNode.getAttribute("xlink:href");
176 if (link != null ){
177 String absolutFileName = Config.replaceConfigDir(link);
178 configurationNode = (Element)this.readConfiguration(absolutFileName);
179 }
180
181 return configurationNode;
182 }
183
184
185 private Node readConfiguration(String fileName){
186 try {
187 DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
188 factory.setValidating(false);
189 return factory.newDocumentBuilder().parse(fileName).getChildNodes().item(0);
190 } catch (SAXException e) {
191 log.error(e,e);
192 return null;
193 } catch (IOException e) {
194 log.error(e,e);
195 return null;
196 } catch (ParserConfigurationException e) {
197 log.error(e,e);
198 return null;
199 }
170 } 200 }
171 201
172 /** 202 /**
173 * @see de.intevation.artifactdatabase.DefaultArtifact#feed(org.w3c.dom.Document, 203 * @see de.intevation.artifactdatabase.DefaultArtifact#feed(org.w3c.dom.Document,
174 * de.intevation.artifacts.CallContext) 204 * de.intevation.artifacts.CallContext)
224 254
225 if (localContext instanceof GNVArtifactContext) { 255 if (localContext instanceof GNVArtifactContext) {
226 GNVArtifactContext gnvContext = (GNVArtifactContext) localContext; 256 GNVArtifactContext gnvContext = (GNVArtifactContext) localContext;
227 Document doc = gnvContext.getConfig(); 257 Document doc = gnvContext.getConfig();
228 Node artifactNode = this.getConfigurationFragment(doc); 258 Node artifactNode = this.getConfigurationFragment(doc);
259
229 NodeList transitionList = Config.getNodeSetXPath(artifactNode, 260 NodeList transitionList = Config.getNodeSetXPath(artifactNode,
230 "transitions/transition"); 261 "transitions/transition");
231 this.transitions = new HashMap<String, Transition>(transitionList 262 this.transitions = new HashMap<String, Transition>(transitionList
232 .getLength()); 263 .getLength());
233 for (int i = 0; i < transitionList.getLength(); i++) { 264 for (int i = 0; i < transitionList.getLength(); i++) {
401 // ""); 432 // "");
402 if (inputElemets != null) { 433 if (inputElemets != null) {
403 returnValue = new HashMap<String, InputData>(inputElemets 434 returnValue = new HashMap<String, InputData>(inputElemets
404 .getLength()); 435 .getLength());
405 for (int i = 0; i < inputElemets.getLength(); i++) { 436 for (int i = 0; i < inputElemets.getLength(); i++) {
406 Node inputDataNode = inputElemets.item(i); 437 Element inputDataNode = (Element)inputElemets.item(i);
407 String name = Config.getStringXPath(inputDataNode, "@name"); 438 String name = inputDataNode.getAttribute("name");
408 String value = Config.getStringXPath(inputDataNode, "@value"); 439 String value = inputDataNode.getAttribute("value");
409 440
410 if (returnValue.containsKey(name)) { 441 if (returnValue.containsKey(name)) {
411 InputData inputData = returnValue.get(name); 442 InputData inputData = returnValue.get(name);
412 inputData.concartValue(value); 443 inputData.concartValue(value);
413 log.debug(inputData.toString()); 444 log.debug(inputData.toString());
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