private static PermissionInfo[] getPermissionInfos(URL resource, Framework framework) {
if (resource == null) return null;
PermissionInfo[] info = EMPTY_PERM_INFO;
DataInputStream in = null;
try {
in = new DataInputStream(resource.openStream());
ArrayList permissions = new ArrayList();
BufferedReader reader;
try {
reader = new BufferedReader(new InputStreamReader(in, "UTF8")); // $NON-NLS-1$
} catch (UnsupportedEncodingException e) {
reader = new BufferedReader(new InputStreamReader(in));
}
while (true) {
String line = reader.readLine();
if (line == null) /* EOF */ break;
line = line.trim();
if ((line.length() == 0)
|| line.startsWith("#")
|| line.startsWith("//")) /* comments */ // $NON-NLS-1$ //$NON-NLS-2$
continue;
try {
permissions.add(new PermissionInfo(line));
} catch (IllegalArgumentException iae) {
/* incorrectly encoded permission */
if (framework != null)
framework.publishFrameworkEvent(FrameworkEvent.ERROR, framework.getBundle(0), iae);
}
}
int size = permissions.size();
if (size > 0) info = (PermissionInfo[]) permissions.toArray(new PermissionInfo[size]);
} catch (IOException e) {
// do nothing
} finally {
try {
if (in != null) in.close();
} catch (IOException ee) {
// do nothing
}
}
return info;
}
/** Returns the path to the file obtained from parsing the HTML header. */
private static String getPath(DataInputStream in) throws IOException {
String line = in.readLine();
String path = "";
// extract class from GET line
if (line.startsWith("GET /")) {
line = line.substring(5, line.length() - 1).trim();
int index = line.indexOf(' ');
if (index != -1) {
path = line.substring(0, index);
}
}
// eat the rest of header
do {
line = in.readLine();
} while ((line.length() != 0) && (line.charAt(0) != '\r') && (line.charAt(0) != '\n'));
if (path.length() != 0) {
return path;
} else {
throw new IOException("Malformed Header");
}
}