Here you can find the source of castString(Object val)
public static String castString(Object val)
//package com.java2s; /**//from w w w.j a va 2 s . co m * Copyright 2012-2015 Rafal Lewczuk <rafal.lewczuk@jitlogic.com> * * ZORKA is free software. You can redistribute it and/or modify it under the * terms of the GNU General Public License as published by the Free Software * Foundation, either version 3 of the License, or (at your option) any later * version. * * ZORKA is distributed in the hope that it will be useful, but WITHOUT ANY * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more * details. * * You should have received a copy of the GNU General Public License along with * ZORKA. If not, see <http://www.gnu.org/licenses/>. */ public class Main { public static String castString(Object val) { try { return val != null ? val.toString() : "null"; } catch (Exception e) { return "<ERR: " + e.getMessage() + ">"; } } }