File list (Check if you may need any files):
Internal
Internal\.classpath
Internal\.project
Internal\.settings
Internal\.settings\.jsdtscope
Internal\.settings\org.eclipse.jdt.core.prefs
Internal\.settings\org.eclipse.m2e.core.prefs
Internal\.settings\org.eclipse.wst.jsdt.ui.superType.container
Internal\.settings\org.eclipse.wst.jsdt.ui.superType.name
Internal\.settings\org.eclipse.wst.validation.prefs
Internal\pom.xml
Internal\src
Internal\src\main
Internal\src\main\java
Internal\src\main\java\org
Internal\src\main\java\org\xdemo
Internal\src\main\java\org\xdemo\example
Internal\src\main\java\org\xdemo\example\internal
Internal\src\main\java\org\xdemo\example\internal\controller
Internal\src\main\java\org\xdemo\example\internal\controller\LanguageController.java
Internal\src\main\resources
Internal\src\main\resources\messages
Internal\src\main\resources\messages\message_en.properties
Internal\src\main\resources\messages\message_zh_CN.properties
Internal\src\main\resources\spring-mvc.xml
Internal\src\main\webapp
Internal\src\main\webapp\WEB-INF
Internal\src\main\webapp\WEB-INF\views
Internal\src\main\webapp\WEB-INF\views\jsp
Internal\src\main\webapp\WEB-INF\views\jsp\internal
Internal\src\main\webapp\WEB-INF\views\jsp\internal\something.jsp
Internal\src\main\webapp\WEB-INF\views\jsp\internal\welcome.jsp
Internal\src\main\webapp\WEB-INF\web.xml
Internal\target
Internal\target\classes
Internal\target\classes\messages
Internal\target\classes\messages\message_en.properties
Internal\target\classes\messages\message_zh_CN.properties
Internal\target\classes\org
Internal\target\classes\org\xdemo
Internal\target\classes\org\xdemo\example
Internal\target\classes\org\xdemo\example\internal
Internal\target\classes\org\xdemo\example\internal\controller
Internal\target\classes\org\xdemo\example\internal\controller\LanguageController.class
Internal\target\classes\spring-mvc.xml
Internal\target\m2e-jee
Internal\target\m2e-jee\web-resources
Internal\target\m2e-jee\web-resources\META-INF
Internal\target\m2e-jee\web-resources\META-INF\MANIFEST.MF
Internal\target\m2e-jee\web-resources\META-INF\maven
Internal\target\m2e-jee\web-resources\META-INF\maven\org.xdemo.example
Internal\target\m2e-jee\web-resources\META-INF\maven\org.xdemo.example\Internal
Internal\target\m2e-jee\web-resources\META-INF\maven\org.xdemo.example\Internal\pom.properties
Internal\target\m2e-jee\web-resources\META-INF\maven\org.xdemo.example\Internal\pom.xml
Internal\target\test-classes