private String generateExceptionReport() {
StringBuilder builder = new StringBuilder("Spoutcraft Launcher Error Report:\n");
builder.append("( Please submit this report to http://spout.in/issues )\n");
builder.append(" Launcher Build: ").append(Settings.getLauncherBuild()).append("\n");
builder
.append("----------------------------------------------------------------------")
.append("\n");
builder.append("Stack Trace:").append("\n");
builder.append(" Exception: ").append(cause.getClass().getSimpleName()).append("\n");
builder.append(" Message: ").append(cause.getMessage()).append("\n");
logTrace(builder, cause);
builder
.append("----------------------------------------------------------------------")
.append("\n");
builder.append("System Information:\n");
builder.append(" Operating System: ").append(System.getProperty("os.name")).append("\n");
builder
.append(" Operating System Version: ")
.append(System.getProperty("os.version"))
.append("\n");
builder
.append(" Operating System Architecture: ")
.append(System.getProperty("os.arch"))
.append("\n");
builder
.append(" Java version: ")
.append(System.getProperty("java.version"))
.append(" ")
.append(System.getProperty("sun.arch.data.model", "32"))
.append(" bit")
.append("\n");
builder
.append(" Total Memory: ")
.append(Runtime.getRuntime().totalMemory() / 1024L / 1024L)
.append(" MB\n");
builder
.append(" Max Memory: ")
.append(Runtime.getRuntime().maxMemory() / 1024L / 1024L)
.append(" MB\n");
builder
.append(" Memory Free: ")
.append(Runtime.getRuntime().freeMemory() / 1024L / 1024L)
.append(" MB\n");
builder
.append(" CPU Cores: ")
.append(Runtime.getRuntime().availableProcessors())
.append("\n");
return builder.toString();
}
public static Download downloadFile(
String url, String output, String cacheName, String md5, DownloadListener listener)
throws IOException {
int tries = Settings.getLoginTries();
File outputFile = null;
Download download = null;
while (tries > 0) {
System.out.println("Starting download of " + url + ", with " + tries + " tries remaining");
tries--;
download = new Download(url, output);
download.setListener(listener);
download.run();
if (!download.isSuccess()) {
if (download.getOutFile() != null) {
download.getOutFile().delete();
}
System.err.println("Download of " + url + " Failed!");
if (listener != null)
listener.stateChanged("Download Failed, retries remaining: " + tries, 0F);
} else {
if (md5 != null) {
String resultMD5 = MD5Utils.getMD5(download.getOutFile());
System.out.println("Expected MD5: " + md5 + " Calculated MD5: " + resultMD5);
if (resultMD5.equals(md5)) {
outputFile = download.getOutFile();
break;
}
} else {
outputFile = download.getOutFile();
break;
}
}
}
if (outputFile == null) {
throw new IOException("Failed to download " + url);
}
if (cacheName != null) {
Utils.copy(outputFile, new File(Launcher.getGameUpdater().getBinCacheDir(), cacheName));
}
return download;
}
