/* rb: writable */
private void checkWritable() {
checkInitialized();
if (data.closedWrite || !data.modes.isWritable()) {
throw getRuntime().newIOError("not opened for writing");
}
// Tainting here if we ever want it. (secure 4)
}
@JRubyMethod
@Override
public IRubyObject close() {
checkInitialized();
checkOpen();
data.closedRead = true;
data.closedWrite = true;
return getRuntime().getNil();
}
@JRubyMethod(name = "closed_write?")
@Override
public IRubyObject closed_write_p() {
checkInitialized();
return getRuntime().newBoolean(data.closedWrite);
}
/* rb: readable */
private void checkReadable() {
checkInitialized();
if (data.closedRead || !data.modes.isReadable()) {
throw getRuntime().newIOError("not opened for reading");
}
}
/* rb: check_modifiable */
@Override
public void checkFrozen() {
checkInitialized();
if (data.internal.isFrozen()) throw getRuntime().newIOError("not modifiable string");
}