java 重定向 到swt text 控件上

public class LogPrintStream extends PrintStream {

private Text text;

public LogPrintStream(OutputStream out, Text text) {

super(out);

this.text = text;

}

public void write(byte[] buf, int off, int len) {

final String log = new String(buf, off, len);

Display.getDefault().syncExec(new Thread() {

public void run() {

text.append(log);

}

});

}

}

LogPrintStream lps = new LogPrintStream(System.out, logText);

System.setOut(lps);

System.setErr(lps);