Write enter/indent with java inside xml file

[Hesham Gneady]

Hello Ranchers ,

I am trying to edit an xml file using java, my only problem is that all data written appears in the xml file in 1 line.

<library>
   <category name="tragedy">
      <book>book1 name</book>
      <book>book2 name</book>
   </category>
</library>

// when i want to write the above xml it appears without enters & indents like this :
<library>
<category name="tragedy"><book>book1 name</book><book>book2 name</book></category>
</library>

Here is my java code :

Document libraryDomObject = settingsController.getXMLFile( libraryXML );  // Load the xml file.
Node libraryNode = libraryDomObject.getDocumentElement();  // Get the <library> node.

Element newCategoryElement = libraryDomObject.createElement( "category" );  // Create the category node.
newCategoryElement.setAttribute( "name", "tragedy" );
categoriesNode.appendChild( newCategoryElement );

// I want to insert an enter + an indent here ..................... ??

Element newBookElement = libraryDomObject.createElement( "book" );  // Create a book node.
newBookElement.appendChild( libraryDomObject.createTextNode( "book1 name" ) );
newCategoryElement.appendChild( newBookElement );

I saw some answers saying i can do this using the Transformer class. Do i have to change my code now, or is there a way i can do this here ?

Thanks ,

[Ulf Dittmer]

Check out the second example here: http://faq.javaranch.com/java/HowToPrettyPrintXmlWithJava

[Hesham Gneady]

Thanks a lot Ulf ... That was quite clear.