PSPrinterJob.java 文件源码

private void handleProcessFailure(final Process failedProcess,
        final String[] execCmd, final int result) throws IOException {
    try (StringWriter sw = new StringWriter();
            PrintWriter pw = new PrintWriter(sw)) {
        pw.append("error=").append(Integer.toString(result));
        pw.append(" running:");
        for (String arg: execCmd) {
            pw.append(" '").append(arg).append("'");
        }
        try (InputStream is = failedProcess.getErrorStream();
                InputStreamReader isr = new InputStreamReader(is);
                BufferedReader br = new BufferedReader(isr)) {
            while (br.ready()) {
                pw.println();
                pw.append("\t\t").append(br.readLine());
            }
        } finally {
            pw.flush();
        }
        throw new IOException(sw.toString());
    }
}