Set Request Header and Forward to another application

Question

I am writing a Java based Web application, which, in the actual production environment would be front-ended by another application which would set certain HTTP request headers before the request hits my application.

However, in the development environment I do not have the front-ending application, for which I need to create a mock web application that simulates the same behavior. i.e. this mock application should set the request headers and redirect or forward or whatever that I do not know :) to a certain page in my application.

How can I accomplish this?

Answer 1

The following articles may help you:

• Adding Header Information to an existing HTTP Request
• How to modify request headers in a J2EE web application.

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P.S.
I am sorry I provided only links, that was one of my early answer on SO ))

Answer 2

In case you don't want to modify your code as suggested by @user1979427 you can use a proxy server to modify headers or add headers on the fly.

For example in Apache HTTPD you would add something like below and proxy the

Header add HEADER "HEADERVALUE"
RequestHeader set HEADER "HEADERVALUE"   

Refer to HTTPD doc