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Open Source Java project under Apache License v2.0\n\n### Current Development Version is [2.0.0](https://search.maven.org/#search|ga|1|g%3Aorg.javastack%20a%3Aheaders-servlet-filter-jakarta)\n\n---\n\n## DOC\n\n#### Usage Example\n\n```xml\n\u003c!-- Servlet Filter --\u003e\n\u003c!-- tomcat/conf/web.xml or WEB-INF/web.xml --\u003e\n\u003cfilter\u003e\n    \u003cfilter-name\u003eResponseHeadersFilter\u003c/filter-name\u003e\n    \u003cfilter-class\u003eorg.javastack.servlet.filters.ResponseHeadersFilter\u003c/filter-class\u003e\n\n    \u003c!-- Basic Syntax --\u003e\n    \u003cinit-param\u003e\n        \u003cparam-name\u003eheader-name[:\u003cset|add|setIfEmpty|addIfExist\u003e[:\u003cearly|late\u003e]]\u003c/param-name\u003e\n        \u003cparam-value\u003eheader-value\u003c/param-value\u003e\n    \u003c/init-param\u003e\n\n    \u003c!-- Examples --\u003e\n\n    \u003c!-- Generated dynamically using {{Template}} --\u003e\n    \u003cinit-param\u003e\n        \u003c!-- header is set, replacing any previous header with this name --\u003e\n        \u003cparam-name\u003eNodeID\u003c/param-name\u003e\n        \u003cparam-value\u003e{{SYS:HOSTNAME}}-{{SYS:PID}}\u003c/param-value\u003e\n    \u003c/init-param\u003e\n\n    \u003c!-- Cache Control / Expiration --\u003e\n    \u003cinit-param\u003e\n        \u003c!-- header is set, replacing any previous header with this name --\u003e\n        \u003cparam-name\u003eExpires\u003c/param-name\u003e\n        \u003cparam-value\u003e0\u003c/param-value\u003e\n    \u003c/init-param\u003e\n    \u003cinit-param\u003e\n        \u003c!-- header is added --\u003e\n        \u003cparam-name\u003eCache-Control:add:early\u003c/param-name\u003e\n        \u003cparam-value\u003eno-cache, no-store, must-revalidate, max-age=0\u003c/param-value\u003e\n    \u003c/init-param\u003e\n    \u003cinit-param\u003e\n        \u003c!-- header is added if any previous header with this name exists --\u003e\n        \u003cparam-name\u003eCache-Control:addIfExist:late\u003c/param-name\u003e\n        \u003cparam-value\u003emust-revalidate, max-age=0\u003c/param-value\u003e\n    \u003c/init-param\u003e\n\n    \u003c!-- SSL/TLS Security --\u003e\n    \u003cinit-param\u003e\n        \u003c!-- header is set if not exist, replacing any previous header with this name --\u003e\n        \u003cparam-name\u003eStrict-Transport-Security:setIfEmpty\u003c/param-name\u003e\n        \u003cparam-value\u003emax-age=15638400\u003c/param-value\u003e\n    \u003c/init-param\u003e\n\u003c/filter\u003e\n\u003cfilter-mapping\u003e\n    \u003cfilter-name\u003eResponseHeadersFilter\u003c/filter-name\u003e\n    \u003curl-pattern\u003e/*\u003c/url-pattern\u003e\n\u003c/filter-mapping\u003e\n```\n\n##### Template syntax are limited to: \n\n- `{{SYS:HOSTNAME}}`: Server name\n- `{{SYS:PID}}`: Process ID\n- `{{ENV:name}}`: System environment (name like \"MY_NAME\")\n- `{{PROP:name}}`: Java System Propery (name like \"java.version\")\n\n---\n\n## MAVEN\n\nAdd the dependency to your pom.xml:\n\n###### jakarta.servlet (tomcat 10+)\n\n    \u003cdependency\u003e\n        \u003cgroupId\u003eorg.javastack\u003c/groupId\u003e\n        \u003cartifactId\u003eheaders-servlet-filter-jakarta\u003c/artifactId\u003e\n        \u003cversion\u003e2.0.0\u003c/version\u003e\n    \u003c/dependency\u003e\n\n###### javax.servlet (tomcat 8.5, 9)\n\n    \u003cdependency\u003e\n        \u003cgroupId\u003eorg.javastack\u003c/groupId\u003e\n        \u003cartifactId\u003eheaders-servlet-filter\u003c/artifactId\u003e\n        \u003cversion\u003e1.1.0\u003c/version\u003e\n    \u003c/dependency\u003e\n\n---\nInspired in [mod_headers](http://httpd.apache.org/docs/2.4/mod/mod_headers.html), this code is Java-minimalistic version.\n","funding_links":[],"categories":[],"sub_categories":[],"project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fggrandes%2Fheaders-servlet-filter","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fggrandes%2Fheaders-servlet-filter","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fggrandes%2Fheaders-servlet-filter/lists"}