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RestServlet

<p>
	The {@link oajr.RestServlet} class is the entry point for your REST resources.
	It extends directly from <l>HttpServlet</l> and is deployed like any other servlet.
</p>
<p>
	When the servlet <l>init()</l> method is called, it triggers the code to find and process the <l>@Rest</l>
	annotations on that class and all child classes.
	These get constructed into a {@link oajr.RestContext} object that holds all the configuration
	information about your resource in a read-only object.
</p>
<p>
	Most developers are not going to be using the <l>RestServlet</l> class itself, and instead will
	extend from one of the preconfigured default servlets such as {@link oajr.BasicRestServlet}.
	The <l>RestServlet</l> class by itself is not configured with any serializers and parsers, and therefore
	not very useful on it's own.
	However, the class does provide a couple of convenience methods to be aware of:
</p>
<ul class='javatree'>
	<li class='jac'><c>{@link oajr.RestServlet} <jk>extends</jk> HttpServlet</c>
	<ul>
		<li class='jm'>{@link oajr.RestServlet#init(ServletConfig) init(ServletConfig)} - Can override to provide custom initialization.
		<li class='jm'>{@link oajr.RestServlet#service(HttpServletRequest,HttpServletResponse) service(HttpServletRequest,HttpServletResponse)} - Can override to provide custom request handling.
		<li class='jm'>{@link oajr.RestServlet#destroy() destroy()} - Can override to provide custom cleanup.
		<li class='jm'>{@link oajr.RestServlet#getContext() getContext()} - Returns all aspects of the configuration of your resource pulled from all annotations on the class/parent-classes and methods.
		<li class='jm'>{@link oajr.RestServlet#log(Level,String,Object...) log(Level,String,Object...)} - Convenience logging method.
		<li class='jm'>{@link oajr.RestServlet#log(Level,Throwable,String,Object...) log(Level,Throwable,String,Object...)} - Convenience logging method.
	</ul>
</ul>