@JRubyMethod(optional = 2, visibility = PRIVATE)
@Override
public IRubyObject initialize(IRubyObject[] args, Block unusedBlock) {
Object modeArgument = null;
Ruby runtime = getRuntime();
switch (args.length) {
case 0:
data.internal =
runtime.is1_9()
? RubyString.newEmptyString(runtime, runtime.getDefaultExternalEncoding())
: RubyString.newEmptyString(getRuntime());
modeArgument = "r+";
break;
case 1:
data.internal = args[0].convertToString();
modeArgument = data.internal.isFrozen() ? "r" : "r+";
break;
case 2:
data.internal = args[0].convertToString();
if (args[1] instanceof RubyFixnum) {
modeArgument = RubyFixnum.fix2long(args[1]);
} else {
modeArgument = args[1].convertToString().toString();
}
break;
}
initializeModes(modeArgument);
if (data.modes.isWritable() && data.internal.isFrozen()) {
throw getRuntime().newErrnoEACCESError("Permission denied");
}
if (data.modes.isTruncate()) {
data.internal.modifyCheck();
data.internal.empty();
}
return this;
}
