Java Utililty Methods SQL Clob

Reader reader = clob.getCharacterStream();
char[] buffer = new char[(int) clob.length()];
while (reader.read(buffer) != -1) {
    sb.append(buffer);
return sb.toString();

if (clob != null) {
    BufferedReader in = new BufferedReader(clob.getCharacterStream());
    String line = in.readLine();
    StringBuffer result = new StringBuffer();
    while (line != null) {
        result.append(line);
        line = in.readLine();
    return result.toString();
return null;

if (o == null) {
    return null;
Class<?> currentType = o.getClass();
if (targetType.isAssignableFrom(currentType)) {
    return o;
if (targetType == String.class) {
...

String value = "";
try {
    if (obj instanceof Clob) {
        value = ((Clob) obj).getSubString(1, (int) ((Clob) obj).length());
    } else {
        value = String.valueOf(obj);
    return value;
...

if (clob != null) {
    try {
        return clob.getSubString((long) 1, (int) clob.length());
    } catch (SQLException e) {
        e.printStackTrace();
return null;
...

if (obj == null)
    return def;
if (obj instanceof java.sql.Clob)
    return ((java.sql.Clob) obj).getSubString((long) 1, (int) ((java.sql.Clob) obj).length());
System.out.println("end of getRSClob, wrong object: " + obj.getClass().getName());
return def;

final byte b[] = new byte[BUFFER_SIZE];
final BufferedInputStream bi = new BufferedInputStream(is);
final StringBuffer sb = new StringBuffer();
try {
    while ((bi.read(b)) != -1) {
        sb.append(new String(b));
} catch (final Exception e) {
...

StringBuffer s = new StringBuffer();
if (c != null) {
    try {
        BufferedReader bufferRead = new BufferedReader(c.getCharacterStream());
        try {
            String str;
            while ((str = bufferRead.readLine()) != null) {
                s.append(str);
...

String returnValue = null;
Reader reader = null;
try {
    if (clob != null && clob.length() != 0) {
        reader = clob.getCharacterStream();
        int clobSize = (int) clob.length();
        char[] buffer = new char[clobSize];
        reader.read(buffer);
...

return java.sql.NClob.class.isAssignableFrom(type);