How can I add some freemarker macro (<#macro myMacro>…) in java jar library and after than use it (<@macro myMacro/>) in my other web projects?
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How can I add some freemarker macro (<#macro myMacro>…) in java jar library and after than use it (<@macro myMacro/>) in my other web projects?
Step 1: embed a template file in your JAR library with a macro, e.g. a file
foo.ftlwith a macrobar.Step 2: configure FreeMarker so that it can load templates from that JAR library. One way to do this is registering a
ClassTemplateLoader, either by callingConfiguration.setClassForTemplateLoadingor by directly registering aClassTemplateLoader(see FreeMarker documentation about template loading). Alternatively you can try to use aURLTemplateLoaderor callConfiguration.setServletContextForTemplateLoading, depending on your use case.You maybe even have to combine such a
ClassTemplateLoader/URLTemplateLoaderwith your currently used template loader in order to load templates from more than one location (see MultiTemplateLoader).Step 3: import the macro template file into a namesapce from your main template via the import directive, e.g.
Step 4: call the macro via its namespace, e.g.
Done!