Class RootXmlWriteHandler


  • public abstract class RootXmlWriteHandler
    extends Object
    A root handler for writing objects to XML format.
    • Constructor Detail

      • RootXmlWriteHandler

        public RootXmlWriteHandler()
        Creates a new RootXmlWrite handler with the default mappings enabled.
    • Method Detail

      • getFactoryLoader

        protected abstract ObjectFactory getFactoryLoader()
        Returns the object factory.
        Returns:
        the object factory.
      • addManualMapping

        protected void addManualMapping​(Class classToWrite,
                                        Class handler)
        Adds a new manual mapping to this handler. This method provides support for the manual mapping. The manual mapping will become active before the multiplexers were queried. This facility could be used to override the model definition.
        Parameters:
        classToWrite - the class, which should be handled
        handler - the write handler implementation for that class.
      • addMultiplexMapping

        protected void addMultiplexMapping​(Class baseClass,
                                           String typeAttr,
                                           MultiplexMappingEntry[] mdef)
        Adds a multiplex mapping.
        Parameters:
        baseClass - the base class.
        typeAttr - the type attribute.
        mdef - the mapping entries.
      • getMapping

        protected XmlWriteHandler getMapping​(Class classToWrite)
                                      throws XMLWriterException
        Tries to find the mapping for the given class. This will first check the manual mapping and then try to use the object factory to resolve the class parameter into a write handler.
        Parameters:
        classToWrite - the class for which to find a handler.
        Returns:
        the write handler, never null.
        Throws:
        XMLWriterException - if no handler could be found for the given class.
      • write

        public void write​(String tagName,
                          Object object,
                          Class baseClass,
                          XMLWriter writer)
                   throws IOException,
                          XMLWriterException
        Writes the given object with the specified tagname. This method will do nothing, if the given object is null.
        Parameters:
        tagName - the tagname for the xml-element containing the object definition. The tagname must not be null.
        object - the object which should be written.
        baseClass - the base class.
        writer - the xml writer used to write the content, never null.
        Throws:
        IOException - if an IOException occures.
        XMLWriterException - if an object model related error occures during the writing.
      • loadHandlerClass

        protected XmlWriteHandler loadHandlerClass​(String className)
                                            throws XMLWriterException
        Loads the given class, and ignores all exceptions which may occur during the loading. If the class was invalid, null is returned instead.
        Parameters:
        className - the name of the class to be loaded.
        Returns:
        the class or null.
        Throws:
        XMLWriterException - if there is a writer exception.