return a classpath resource as a reader . it is assumed that the resource is a text resource . concode_field_sep PlaceHolder placeHolder concode_field_sep String getReaderAsString concode_elem_sep File createJar concode_elem_sep String getResourceAsString concode_elem_sep void copyCharStream concode_elem_sep void zipDir concode_elem_sep void zipDir concode_elem_sep InputStream getResourceAsStream concode_elem_sep void copyStream concode_elem_sep void delete