private String toOsgiBundles(Map<ArtifactKey, File> bundles) throws IOException {
StringBuilder result = new StringBuilder();
for (Map.Entry<ArtifactKey, File> entry : bundles.entrySet()) {
BundleStartLevel level = startLevel.get(entry.getKey().getId());
if (level != null && level.getLevel() == -1) {
continue; // system bundle
}
if (result.length() > 0) {
result.append(",");
}
result.append(appendAbsolutePath(entry.getValue()));
if (level != null) {
result.append('@').append(level.getLevel());
if (level.isAutoStart()) {
result.append(":start");
}
}
}
return result.toString();
}
