Java Utililty Methods Throwable to String

ByteArrayOutputStream bao = new ByteArrayOutputStream(1024);
PrintWriter pr = new PrintWriter(bao);
t.printStackTrace(pr);
return bao.toString();

if (t != null) {
    StringWriter stringWriter = new StringWriter();
    PrintWriter printWriter = new PrintWriter(stringWriter);
    t.printStackTrace(printWriter);
    return stringWriter.toString();
return "";

if (t == null) {
    try {
        throw new Exception();
    } catch (Exception e) {
        t = e;
StringWriter sw = new StringWriter();
...

StringWriter sw = null;
PrintWriter pw = null;
try {
    sw = new StringWriter();
    pw = new PrintWriter(sw, true);
    t.printStackTrace(pw);
    pw.flush();
    pw.close();
...

StringWriter writer = new StringWriter();
PrintWriter printWriter = new PrintWriter(writer);
try {
    printWriter.write(t.getMessage());
    printWriter.write("\n");
    t.printStackTrace(printWriter);
} finally {
    close(printWriter);
...

StringWriter stringWriter = new StringWriter();
t.printStackTrace(new PrintWriter(stringWriter));
String ret = stringWriter.toString();
try {
    stringWriter.close();
} catch (IOException e) {
return ret;
...

ByteArrayOutputStream baos = new ByteArrayOutputStream();
PrintStream ps = new PrintStream(baos);
t.printStackTrace(ps);
ps.flush();
String result = baos.toString();
ps.close();
return result;

StringWriter sw = new StringWriter();
PrintWriter pw = new PrintWriter(sw);
t.printStackTrace(pw);
pw.flush();
pw.close();
return sw.toString();

ByteArrayOutputStream captureStream;
PrintWriter p;
captureStream = new ByteArrayOutputStream();
p = new PrintWriter(captureStream);
t.printStackTrace(p);
p.flush();
return captureStream.toString();

StringWriter stringWriter = new StringWriter();
PrintWriter printWriter = new PrintWriter(stringWriter);
t.printStackTrace(printWriter);
return stringWriter.toString();