Java Reference
In-Depth Information
// We save their preferences
// Configuration c = ... - set above
Writer saveFile = new
new FileWriter ( f );
saver . marshal ( c , saveFile );
saveFile . close ();
// Confirm that the XML file got written
assertTrue ( f . exists ());
System . out . println ( "JAXB output saved in " + f . getAbsolutePath ());
// Sometime later, we read it back in.
Unmarshaller loader = jc . createUnmarshaller ();
Configuration c2 = ( Configuration ) loader . unmarshal ( f );
// Outside of the simulation, we test that what we
// read back is the same as what we started with.
assertEquals ( "saved and loaded back the object" , c , c2 );
After the test runs, the config.save file is left in the testing directory; I grabbed a copy of this,
reformatted it, and saved it in the source directory with .xml appended to the filename. The
content looks as you'd expect:
<config>
<screenName>
<screenName> idarwin </screenName>
</screenName>
<verbose>
<verbose> true </verbose>
</verbose>
<colorName>
<colorName> inky green </colorName>
</colorName>
</config>
Converting Between Objects and XML with Serializers
Problem
You want to generate XML directly from Java objects, or vice versa.
Solution
Another way is to use the XML Object Serializers.
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