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RestRequest

<p>
	The {@link oajr.RestRequest} object is an extension of the <l>HttpServletRequest</l> class
	with various built-in convenience methods for use in building REST interfaces.
	It can be accessed by passing it as a parameter on your REST Java method:
</p>
<p class='bpcode w800'>
	<ja>@RestMethod</ja>(...)
	<jk>public</jk> Object myMethod(RestRequest req) {...}			
</p>
<p>
	There are many useful methods on this object, but the main ones are shown below:
</p>
<ul class='javatree'>
	<li class='jc'><c>{@link oajr.RestRequest} <jk>extends</jk> HttpServletRequest</c>
	<ul>
		<li class='jm'>{@link oajr.RestRequest#getHeaders() getHeaders()} - HTTP request headers.
		<li class='jm'>{@link oajr.RestRequest#getQuery() getQuery()} - Query parameters.
		<li class='jm'>{@link oajr.RestRequest#getFormData() getFormData()} - Form-data parameters.
		<li class='jm'>{@link oajr.RestRequest#getBody() getBody()} - HTTP request body.
		<li class='jm'>{@link oajr.RestRequest#getPathMatch() getPathMatch()} - Path match variables.
		<li class='jm'>{@link oajr.RestRequest#getLogger() getLogger()} - Logging.
		<li class='jm'>{@link oajr.RestRequest#getInfoProvider() getInfoProvider()} - Swagger documentation provider.
		<li class='jm'>{@link oajr.RestRequest#getSwagger() getSwagger()} - Generated Swagger information.
		<li class='jm'>{@link oajr.RestRequest#getConfig() getConfig()} - External configuration API.
		<li class='jm'>{@link oajr.RestRequest#getVarResolverSession() getVarResolverSession()} - String variable resolver.
		<li class='jm'>{@link oajr.RestRequest#getMessageBundle() getMessageBundle()} - Localized messages.
		<li class='jm'>{@link oajr.RestRequest#getProperties() getProperties()} - Configuration properties.
		<li class='jm'>{@link oajr.RestRequest#getClasspathReaderResource(String,boolean,MediaType,boolean) getClasspathReaderResource(String,boolean,MediaType,boolean)} - Various methods for retrieving static files from classpath.
	</ul>
</ul>