Hi,
I would like to set some header values for all responses.
I already have found how to do that for the ResourceHandler:
ResourceHandler resource_handler = new ResourceHandler()
{
@Override
public void handle( String target, Request baseRequest,
HttpServletRequest request, HttpServletResponse response ) throws
IOException, ServletException
{
response.setHeader( "Pragma", "no-cache" );
super.handle( target, baseRequest, request, response );
}
};
But I use a ServletContextHandler also. While searching I found that I could
use a filter to set the header values like this:
ServletContextHandler context = new
ServletContextHandler(ServletContextHandler.SESSIONS);
server.setHandler(context);
EnumSet<DispatcherType> dispatches =
EnumSet.allOf(DispatcherType.class);
FilterHolder holder = new FilterHolder(DemoFilter.class);
holder.setName("filter");
context.addFilter(holder,"/*",dispatches);
public static class DemoFilter implements Filter
{
@Override
public void doFilter(ServletRequest request, ServletResponse
response, FilterChain chain) throws IOException, ServletException
{
if (response instanceof HttpServletResponse)
{
((HttpServletResponse)response).addHeader("Pragma ","
no-cache ");
}
chain.doFilter(request,response);
}
}
I don't like to set the header values on different ways. Is there a common
way to set the header values for all the Handlers?
Thanks.
Olaf.
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