create xml from java using Jdom

Question

I'm using this code to create the generatedXml.xml file

Element FICHADAS = new Element("FICHADAS");
Document doc = new Document(FICHADAS);
doc.setRootElement(FICHADAS);
Element fichada = new Element("fichada");
fichada.addContent(new lement("N_Terminal").setText("XX"));
fichada.addContent(new Element("Tarjeta").setText("XX"));
fichada.addContent(new Element("Fecha").setText("XX"));
fichada.addContent(new Element("Hora").setText("XX"));
fichada.addContent(new Element("Causa").setText("XX"));
doc.getRootElement().addContent(fichada);
XMLOutputter xmlOutput = new XMLOutputter();
xmlOutput.setFormat(Format.getPrettyFormat());
xmlOutput.output(doc, new FileWriter("generatedXml.xml"));

But I get an error in the last line (I'm using eclipse):

Multiple markers at this line - Unhandled exception type IOException - Unhandled exception type IOException

Jens · Accepted Answer · 2015-04-22 06:12:54Z

1

Your method should be throw the IOException or you have to use a try-catch-block arround your code.

public void myMethod() throws IOException {
 ...
}

or

try{
Element FICHADAS = new Element("FICHADAS");
Document doc = new Document(FICHADAS);
doc.setRootElement(FICHADAS);
Element fichada = new Element("fichada");
fichada.addContent(new lement("N_Terminal").setText("XX"));
fichada.addContent(new Element("Tarjeta").setText("XX"));
fichada.addContent(new Element("Fecha").setText("XX"));
fichada.addContent(new Element("Hora").setText("XX"));
fichada.addContent(new Element("Causa").setText("XX"));
doc.getRootElement().addContent(fichada);
XMLOutputter xmlOutput = new XMLOutputter();
xmlOutput.setFormat(Format.getPrettyFormat());
xmlOutput.output(doc, new FileWriter("generatedXml.xml"));
} catch(IOException){
  // handle the exception.

}

answered Apr 22, 2015 at 6:12

Jens

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5 Comments

marcss Over a year ago

and it will create the generatedXml.xml?¿

Jens Over a year ago

@marcss if yo exception is thrown, yes.

marcss Over a year ago

and how can i know if yo exception will be thown

Jens Over a year ago

If you will add code in the catch block like System.out.println("Exception "+e.getMessage()), you will see it in the console if a exception is thrown.

marcss Over a year ago

I solved this part but now the console show me that: Exception in thread "Timer-0" org.jdom2.IllegalAddException: The element "FICHADAS" could not be added as the root of the document: The Content already has an existing parent document

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