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Response Header Filter for Tomcat

Add custom headers easily to your Tomcat response using param-name and param-value tags in web.xml

Installation

  • Download latest release (.jar file)
  • Put response-header-filter.jar in your $CATALINA_HOME/lib directory
  • Edit your web.xml located in $CATALINA_HOME/conf
  • Add the following filter and filter mapping inside <web-app> tag: 
    <filter>
    <filter-name>ResponseHeaderFilter</filter-name>
    <filter-class>pl.hordyjewiczmichal.ResponseHeaderFilter</filter-class>
    <init-param>
        <param-name>Your-Header-1</param-name> <!-- put your any header name -->
        <param-value>
            your value1
            your value2
            your value3
        </param-value> <!-- put your header value(s) separated by a new line  -->
    </init-param>
    <init-param>
        <param-name>Your-Header-2</param-name>
        <param-value>some other value</param-value>
    </init-param>
</filter>
<filter-mapping>
    <filter-name>ResponseHeaderFilter</filter-name>
    <url-pattern>/*</url-pattern> <!-- choose where header will be added -->
</filter-mapping>

In <init-param> use <param-name> tag to add your custom header and below use <param-value> to add value to your header. You can use multiple values for your header in <param-value> - just separate them by a new line.