Weasis has a modular architecture based on OSGi: the dynamic module system for Java. It uses the Apache Felix OSGi framework which is an open source implementation of the OSGi Release 4.3 2 specification (OSGi Certified).
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For each bundle, translation files are packaging in a separated bundle ending by "i18n" “i18n” called a bundle fragment (OSGI concept) which is merged during runtime to the application. In this way, translation can be handled separately and they are automatically loaded by the application when they are available.
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