JAXB%20Interview%20Questions%20and%20Answers
Question: How to generate Java from XML Schema. Please show the example.Answer: From command-line Windows: %JAXB_HOME%binxjc cars.xsd UNIX: %JAXB_HOME%/bin/xjc.sh cars.xsd these write generated files to current directory From Ant <java jar="${env.JAXB_HOME}/lib/jaxb-xjc.jar" fork="yes"> <arg line="-d ${gen.src.dir} cars.xsd"/> </java> Generated Files: com/withoutbook/cars directory Car.java interface representing the car complex type only describes get and set methods for car properties Cars.java interface representing cars global element extends CarsType and javax.xml.bind.Element (just a marker interface) describes no additional methods CarsType.java interface representing anonymous complex type defined inside the cars global element provides method to get collection of Car objects (as a java.util.List) ObjectFactory.java class used to create objects of the above interface types extends DefaultJAXBContextImpl which extends JAXBContext bgm.ser a serialized object of type com.sun.msv.grammar.trex.TREXGrammar cant find any documentation on this - dont know its purpose jaxb.properties sets a property that defines the class used to create JAXBContext objects com/withoutbook/cars/impl directory CarImpl.java class that implements Car corresponds to the car XML Schema complexType CarsTypeImpl.java class that implements CarType corresponds to the XML Schema anonymous type inside the cars element CarsImpl.java class that extends CarsTypeImpl and implements Cars corresponds to the cars XML Schema element |
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