see also this on WLST
public class DBConn {
public static String getBlobData(String driver, String url, String username, String password, String sqlQuery) throws Exception {
String result = "";
Class.forName(driver);
Connection conn = DriverManager.getConnection(url, username, password);
try {
Statement stmt = conn.createStatement();
try {
ResultSet rset = stmt.executeQuery(sqlQuery);
try {
rset.next();
java.sql.Blob blob = (java.sql.Blob) rset.getBlob(1);
if (blob != null) {
byte[] bdata = blob.getBytes(1, (int) blob.length());
String text = new String(bdata);
text = text.replace("<", "<");
result = text;
} else {
result = "empty body";
}
} finally {
try {
rset.close();
} catch (Exception e) {
e.printStackTrace();
}
}
} finally {
try {
stmt.close();
} catch (Exception e) {
e.printStackTrace();
}
}
} finally {
try {
conn.close();
} catch (Exception e) {
e.printStackTrace();
}
}
return result;
}
}