File list (Check if you may need any files):
.classpath
.project
pom.xml
.settings\org.eclipse.jdt.core.prefs
.........\org.maven.ide.eclipse.prefs
src\main\java\com\example\echo\datasource\App.java
...\....\resources\OSGI-INF\blueprint\dataSource.xml
target\classes\com\example\echo\datasource\App.class
......\.......\OSGI-INF\blueprint\dataSource.xml
......\com.example.echo.datasource-1.0.0-SNAPSHOT.jar
src\main\java\com\example\echo\datasource
...\....\....\...\.......\echo
target\classes\com\example\echo\datasource
src\main\java\com\example
...\....\resources\OSGI-INF\blueprint
target\classes\com\example\echo
src\main\java\com
...\....\resources\OSGI-INF
target\classes\com\example
......\.......\OSGI-INF\blueprint
src\main\java
...\....\resources
...\test\java
target\classes\com
......\.......\OSGI-INF
src\main
...\test
target\classes
......\surefire
......\test-classes
.settings
src
target