Bonjour � tous,
Je cherche � savoir comment je peut savoir si un �l�ment contient bien une valeur. Bien �videmment, j'ai essay� avec les m�thodes isEmpty(), equals() , lenghts() mais rien n'y fait (dans le fichier XML ci-dessous mon probl�me survient sur streetnumber).
Je vais mettre un exemple de mon fichier XML pour que cela soit plus claire ainsi que le code que j'exploite et la stacktrace.
Fichier XML :
Le code :
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21 -<customer numberofnights="6" id="ZTNWAQGI" checkin="27/02/2015"> <firstname>Nnh</firstname> <booking> <lastname>TOTO</lastname> <id type="idcard">nnnn</id> <address> <streetnumber/> <streetname/> <zipcode/> <city/> <country/> </address> <phone>onoi</phone> <email/> <room id="205" type="rt3" state="available"/> </customer> </booking>
La stackTrace :
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41 final DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance(); final DocumentBuilder builder = factory.newDocumentBuilder(); final Document document = builder.parse(new File(XmlDoc)); /** Tant qu'il y a des réservations on continue */ for (Map.Entry<String, Booking> entree : hmBooking.entrySet()) { final Element racine = document.getDocumentElement(); final NodeList racineNoeuds = racine.getChildNodes(); final int nbRacineNoeuds = racineNoeuds.getLength(); for (int i = 0; i < nbRacineNoeuds; i++) { if(racineNoeuds.item(i).getNodeType() == Node.ELEMENT_NODE){ Element nodeElement = (Element) racineNoeuds.item(i); if (nodeElement.getTagName().equals("customer")) { /** Modifie les attributs de l'élément customer */ NodeList nlCustomer = document.getElementsByTagName("customer"); if (nlCustomer != null && nlCustomer.getLength() > 0) { for (int y = 0; y < nlCustomer.getLength(); y++) { Node node = nlCustomer.item(y); Element e = (Element) node; String id = e.getAttribute("id"); if (id.equals(entree.getValue().getIdbooking())) { Node streetnumber = document.getElementsByTagName("streetnumber").item(y); if(!streetnumber.equals(null)){ streetnumber.setTextContent(entree.getValue().getStreetnumber());} /** IL N'Y A PAS TOUT LE CODE MAIS LA SUITE EST IDENTIQUE ET A LA FIN IL Y A LE TRANSFORMER */
En vous remerciant � tous d'avance.
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94 debug: Nnh Exception in thread "AWT-EventQueue-0" java.lang.NullPointerException at ***.projet.XMLBooking.ModifXmlBooking(XMLBooking.java:219) at ***.projet.jDialogBooking.SaveDataBooking(jDialogBooking.java:257) at ***.projet.jDialogBooking.ModifBooking(jDialogBooking.java:730) at ***.projet.jDialogBooking.jBValiderActionPerformed(jDialogBooking.java:667) at ***.projet.jDialogBooking.access$100(jDialogBooking.java:41) at ***.projet.jDialogBooking$3.actionPerformed(jDialogBooking.java:421) at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:2022) at javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2346) at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:402) at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:259) at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(BasicButtonListener.java:252) at java.awt.AWTEventMulticaster.mouseReleased(AWTEventMulticaster.java:289) at java.awt.Component.processMouseEvent(Component.java:6525) at javax.swing.JComponent.processMouseEvent(JComponent.java:3321) at java.awt.Component.processEvent(Component.java:6290) at java.awt.Container.processEvent(Container.java:2234) at java.awt.Component.dispatchEventImpl(Component.java:4881) at java.awt.Container.dispatchEventImpl(Container.java:2292) at java.awt.Component.dispatchEvent(Component.java:4703) at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4898) at java.awt.LightweightDispatcher.processMouseEvent(Container.java:4533) at java.awt.LightweightDispatcher.dispatchEvent(Container.java:4462) at java.awt.Container.dispatchEventImpl(Container.java:2278) at java.awt.Window.dispatchEventImpl(Window.java:2739) at java.awt.Component.dispatchEvent(Component.java:4703) at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:746) at java.awt.EventQueue.access$400(EventQueue.java:97) at java.awt.EventQueue$3.run(EventQueue.java:697) at java.awt.EventQueue$3.run(EventQueue.java:691) at java.security.AccessController.doPrivileged(Native Method) at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:75) at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:86) at java.awt.EventQueue$4.run(EventQueue.java:719) at java.awt.EventQueue$4.run(EventQueue.java:717) at java.security.AccessController.doPrivileged(Native Method) at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:75) at java.awt.EventQueue.dispatchEvent(EventQueue.java:716) at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:201) at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:116) at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:109) at java.awt.WaitDispatchSupport$2.run(WaitDispatchSupport.java:184) at java.awt.WaitDispatchSupport$4.run(WaitDispatchSupport.java:229) at java.awt.WaitDispatchSupport$4.run(WaitDispatchSupport.java:227) at java.security.AccessController.doPrivileged(Native Method) at java.awt.WaitDispatchSupport.enter(WaitDispatchSupport.java:227) at java.awt.Dialog.show(Dialog.java:1084) at java.awt.Component.show(Component.java:1654) at java.awt.Component.setVisible(Component.java:1606) at java.awt.Window.setVisible(Window.java:1014) at java.awt.Dialog.setVisible(Dialog.java:1005) at ***.projet.BuildResa.jBModifResaActionPerformed(BuildResa.java:1645) at ***.projet.BuildResa.access$1400(BuildResa.java:41) at ***.projet.BuildResa$17.actionPerformed(BuildResa.java:964) at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:2022) at javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2346) at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:402) at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:259) at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(BasicButtonListener.java:252) at java.awt.Component.processMouseEvent(Component.java:6525) at javax.swing.JComponent.processMouseEvent(JComponent.java:3321) at java.awt.Component.processEvent(Component.java:6290) at java.awt.Container.processEvent(Container.java:2234) at java.awt.Component.dispatchEventImpl(Component.java:4881) at java.awt.Container.dispatchEventImpl(Container.java:2292) at java.awt.Component.dispatchEvent(Component.java:4703) at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4898) at java.awt.LightweightDispatcher.processMouseEvent(Container.java:4533) at java.awt.LightweightDispatcher.dispatchEvent(Container.java:4462) at java.awt.Container.dispatchEventImpl(Container.java:2278) at java.awt.Window.dispatchEventImpl(Window.java:2739) at java.awt.Component.dispatchEvent(Component.java:4703) at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:746) at java.awt.EventQueue.access$400(EventQueue.java:97) at java.awt.EventQueue$3.run(EventQueue.java:697) at java.awt.EventQueue$3.run(EventQueue.java:691) at java.security.AccessController.doPrivileged(Native Method) at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:75) at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:86) at java.awt.EventQueue$4.run(EventQueue.java:719) at java.awt.EventQueue$4.run(EventQueue.java:717) at java.security.AccessController.doPrivileged(Native Method) at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:75) at java.awt.EventQueue.dispatchEvent(EventQueue.java:716) at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:201) at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:116) at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:105) at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:101) at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:93) at java.awt.EventDispatchThread.run(EventDispatchThread.java:82) BUILD SUCCESSFUL (total time: 1 minute 47 seconds)
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