Android Utililty Methods Throwable to String Convert

if (t == null) {
    return null;
StringWriter sw = new StringWriter();
PrintWriter pw = new PrintWriter(sw);
t.printStackTrace(pw);
return sw.toString();

String message = e.getMessage();
if (StringUtil.isEmpty(message)) {
    message = e.getClass().getSimpleName()
            .replaceFirst("Exception", "");
if (message.length() > LEN) {
    message = message.substring(0, LEN) + "...";
return message;

StringBuilder sb = new StringBuilder(ex.getClass().getSimpleName())
        .append(":");
if (ex.getMessage() != null) {
    sb.append(ex.getMessage()).append("\n");
for (StackTraceElement element : ex.getStackTrace()) {
    sb.append(element.toString()).append("-")
            .append(element.getLineNumber()).append("\n");
...

if (t == null)
    return null;
ByteArrayOutputStream baos = new ByteArrayOutputStream();
try {
    t.printStackTrace(new PrintStream(baos));
} finally {
    try {
        baos.close();
...

AssertionError ae = new AssertionError(message);
if (isandroid.get()) {
    System.out.println("ANDROID: About to throw AssertionError "
            + "but we cannot initialize the cause... "
            + "Here follows both the AssertionError and its cause");
    ae.printStackTrace();
    System.out.println("And the cause...");
    got.printStackTrace();
...