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<chapter id="_HeaderParam">
<title>@HeaderParam</title>
<note>
<para>
RESTEasy <link linkend="_NewParam">supports <code>@HeaderParam</code> annotations with no parameter name.</link>.
</para>
</note>
<para>
The @HeaderParam annotation allows you to map a request HTTP header to your method invocation.
</para>
<para>
GET /books?num=5
</para>
<para>
<programlisting>
@GET
public String getBooks(@HeaderParam("From") String from) {
...
}
</programlisting>
</para>
<para>
Like PathParam, your parameter type can be an String, primitive, or class that has a String constructor or static valueOf() method. For example, MediaType has a valueOf() method and you could do:
</para>
<para>
<programlisting>
@PUT
public void put(@HeaderParam("Content-Type") MediaType contentType, ...)
</programlisting>
</para>
<para>
</para>
<para>
</para>
</chapter>
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