Java プログラムで USB エッジ モデムが接続されている com ポートを取得する方法。迅速な助けが必要です。javax.comm 以外の com.. を取得するために使用するライブラリを教えてください。やってみたけど失敗。適切にインストールする方法が見つかりませんでした。エラーが継続的に表示されます。:(
package commtest;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.Enumeration;
import java.util.Formatter;
import org.smslib.helper.CommPortIdentifier;
import org.smslib.helper.SerialPort;
public class CommTest
{
private static final String _NO_DEVICE_FOUND = " no device found";
private final static Formatter _formatter = new Formatter(System.out);
static CommPortIdentifier portId;
static Enumeration<CommPortIdentifier> portList;
static int bauds[] = { 9600, 14400, 19200, 28800, 33600, 38400, 56000, 57600, 115200 };
/**
* Wrapper around {@link CommPortIdentifier#getPortIdentifiers()} to be
* avoid unchecked warnings.
*/
private static Enumeration<CommPortIdentifier> getCleanPortIdentifiers()
{
return CommPortIdentifier.getPortIdentifiers();
}
public static void main(String[] args)
{
System.out.println("\nSearching for devices...");
portList = getCleanPortIdentifiers();
while (portList.hasMoreElements())
{
portId = portList.nextElement();
if (portId.getPortType() == CommPortIdentifier.PORT_SERIAL)
{
_formatter.format("%nFound port: %-5s%n", portId.getName());
for (int i = 0; i < bauds.length; i++)
{
SerialPort serialPort = null;
_formatter.format(" Trying at %6d...", bauds[i]);
try
{
InputStream inStream;
OutputStream outStream;
int c;
String response;
serialPort = portId.open("SMSLibCommTester", 1971);
serialPort.setFlowControlMode(SerialPort.FLOWCONTROL_RTSCTS_IN);
serialPort.setSerialPortParams(bauds[i], SerialPort.DATABITS_8, SerialPort.STOPBITS_1, SerialPort.PARITY_NONE);
inStream = serialPort.getInputStream();
outStream = serialPort.getOutputStream();
serialPort.enableReceiveTimeout(1000);
c = inStream.read();
while (c != -1)
c = inStream.read();
outStream.write('A');
outStream.write('T');
outStream.write('\r');
Thread.sleep(1000);
response = "";
StringBuilder sb = new StringBuilder();
c = inStream.read();
while (c != -1)
{
sb.append((char) c);
c = inStream.read();
}
response = sb.toString();
if (response.indexOf("OK") >= 0)
{
try
{
System.out.print(" Getting Info...");
outStream.write('A');
outStream.write('T');
outStream.write('+');
outStream.write('C');
outStream.write('G');
outStream.write('M');
outStream.write('M');
outStream.write('\r');
response = "";
c = inStream.read();
while (c != -1)
{
response += (char) c;
c = inStream.read();
}
System.out.println(" Found: " + response.replaceAll("\\s+OK\\s+", "").replaceAll("\n", "").replaceAll("\r", ""));
}
catch (Exception e)
{
System.out.println(_NO_DEVICE_FOUND);
}
}
else
{
System.out.println(_NO_DEVICE_FOUND);
}
}
catch (Exception e)
{
System.out.print(_NO_DEVICE_FOUND);
Throwable cause = e;
while (cause.getCause() != null)
{
cause = cause.getCause();
}
System.out.println(" (" + cause.getMessage() + ")");
}
finally
{
if (serialPort != null)
{
serialPort.close();
}
}
}
}
}
System.out.println("\nTest complete.");
}
}