public static boolean kill() {
int j = 0;
Thread meMySelfI = Thread.currentThread();
do {
/* iter across the thread group, killing all members. */
shutdown = true;
Thread list[] = new Thread[tg.activeCount()];
// get all members of the group (including submembers)
int i = tg.enumerate(list);
// no members means that we have gracefully suceeded
if (i == 0) return true;
// if some of the threads do IO during the shut down they will
// need time to accomplish the IO. So, I give it to 'em
// after the first attempt.
if (j > 0)
try {
meMySelfI.sleep(500);
} catch (Exception e) {
}
;
// try to shudown each thread in the group
while (i-- > 0) {
FlickrFtpd tftp = (FlickrFtpd) list[i];
tftp.interrupt(); // first, do it politely
meMySelfI.yield(); // give 'em time to respond
tftp.forceClose(); // second, use a big hammer
meMySelfI.yield(); // give 'em time to respond
}
} while (j++ <= 3);
return false;
}
/**
* Runs an SQL script (read in using the Reader parameter) using the connection passed in
*
* @param conn - the connection to use for the script
* @param reader - the source of the script
* @throws SQLException if any SQL errors occur
* @throws IOException if there is an error reading from the Reader
*/
private void runScript(Connection conn, Reader reader) throws IOException, SQLException {
StringBuffer command = null;
try {
LineNumberReader lineReader = new LineNumberReader(reader);
String line = null;
while ((line = lineReader.readLine()) != null) {
if (command == null) {
command = new StringBuffer();
}
String trimmedLine = line.trim();
if (trimmedLine.startsWith("--")) {
println(trimmedLine);
} else if (trimmedLine.length() < 1 || trimmedLine.startsWith("//")) {
// Do nothing
} else if (trimmedLine.length() < 1 || trimmedLine.startsWith("--")) {
// Do nothing
} else if (!fullLineDelimiter && trimmedLine.endsWith(getDelimiter())
|| fullLineDelimiter && trimmedLine.equals(getDelimiter())) {
command.append(line.substring(0, line.lastIndexOf(getDelimiter())));
command.append(" ");
Statement statement = conn.createStatement();
println(command);
boolean hasResults = false;
if (stopOnError) {
hasResults = statement.execute(command.toString());
} else {
try {
statement.execute(command.toString());
} catch (SQLException e) {
e.fillInStackTrace();
printlnError("Error executing: " + command);
printlnError(e);
}
}
if (autoCommit && !conn.getAutoCommit()) {
conn.commit();
}
ResultSet rs = statement.getResultSet();
if (hasResults && rs != null) {
ResultSetMetaData md = rs.getMetaData();
int cols = md.getColumnCount();
for (int i = 0; i < cols; i++) {
String name = md.getColumnLabel(i);
print(name + "\t");
}
println("");
while (rs.next()) {
for (int i = 0; i < cols; i++) {
String value = rs.getString(i);
print(value + "\t");
}
println("");
}
}
command = null;
try {
statement.close();
} catch (Exception e) {
// Ignore to workaround a bug in Jakarta DBCP
}
Thread.yield();
} else {
command.append(line);
command.append(" ");
}
}
if (!autoCommit) {
conn.commit();
}
} catch (SQLException e) {
e.fillInStackTrace();
printlnError("Error executing: " + command);
printlnError(e);
throw e;
} catch (IOException e) {
e.fillInStackTrace();
printlnError("Error executing: " + command);
printlnError(e);
throw e;
} finally {
conn.rollback();
flush();
}
}