large-upload sample demonstrates uploading a large file to the server.
     
     * The service implementation class has one method:
         * fileUpload() takes a filename and its content. It creates a file with the content,
           verifies the content and deletes the file.
     * etc - configuration files
         * custom-client.xml client customization file
         * custom-schema.xml client customization file for schema objects
         * build.properties, deploy-targets.xml ant script to deploy the endpoint
           war file
         * sun-jaxws.xml deployment descriptor for web container,
     * src source files
         * client/UploadClient.java - client application. The proxy is created using
           MTOM feature. Uses HTTP chunking mode for streaming the file content.
         * server/UploadImpl.java - server implementation
           It uses RI's StreamingDataHandler to move the content to a file. Uses MTOM
           feature so that the file content will be represented as an attachment on the wire.
     
     * annotationProcessing ant task is run to compile UploadImpl and create server
       objects used during deployment and runtime.
     
     * To run
         * set JAXWS_HOME to the JAX-WS installation directory
         * ant clean server - runs annotation processing to generate server side artifacts and
           does the deployment
         * ant clean client run - runs wsimport on the published wsdl by the deplyed
           endpoint, compiles the generated artifacts and the client application
           then executes it.
     
     * Prerequisite
     
     Refer to the Prerequisites defined in samples/docs/index.html.
     
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