/**
* Removes path information from the given string containing one or more comma separated osgi
* bundles. Replaces escaped '\:' with ':'. Removes, reference, platform and file prefixes.
* Removes any other path information converting the location or the last segment to a bundle id.
*
* @param osgiBundles list of bundles to strip path information from (commma separated)
* @return list of bundles with path information stripped
*/
public static String stripPathInformation(String osgiBundles) {
StringBuffer result = new StringBuffer();
StringTokenizer tokenizer = new StringTokenizer(osgiBundles, ","); // $NON-NLS-1$
while (tokenizer.hasMoreElements()) {
String token = tokenizer.nextToken();
token = token.replaceAll("\\\\:|/:", ":"); // $NON-NLS-1$ //$NON-NLS-2$
// read up until the first @, if there
int atIndex = token.indexOf('@');
String bundle = atIndex > 0 ? token.substring(0, atIndex) : token;
bundle = bundle.trim();
// strip [reference:][platform:][file:] prefixes if any
if (bundle.startsWith(REFERENCE_PREFIX) && bundle.length() > REFERENCE_PREFIX.length())
bundle = bundle.substring(REFERENCE_PREFIX.length());
if (bundle.startsWith(PLATFORM_PREFIX) && bundle.length() > PLATFORM_PREFIX.length())
bundle = bundle.substring(PLATFORM_PREFIX.length());
if (bundle.startsWith(FILE_URL_PREFIX) && bundle.length() > FILE_URL_PREFIX.length())
bundle = bundle.substring(FILE_URL_PREFIX.length());
// if the path is relative, the last segment is the bundle symbolic name
// Otherwise, we need to retrieve the bundle symbolic name ourselves
IPath path = new Path(bundle);
String id = null;
if (path.isAbsolute()) {
id = getSymbolicName(bundle);
}
if (id == null) {
id = path.lastSegment();
}
if (id != null) {
int underscoreIndex = id.indexOf('_');
if (underscoreIndex >= 0) {
id = id.substring(0, underscoreIndex);
}
if (id.endsWith(JAR_EXTENSION)) {
id = id.substring(0, id.length() - 4);
}
}
if (result.length() > 0) result.append(","); // $NON-NLS-1$
result.append(id != null ? id : bundle);
if (atIndex > -1) result.append(token.substring(atIndex).trim());
}
return result.toString();
}
