Here you can find the source of getCharset(Object resource)
public static String getCharset(Object resource)
//package com.java2s; /******************************************************************************* * Copyright (c) 2008, 2011 IBM Corporation and others. * All rights reserved. This program and the accompanying materials * are made available under the terms of the Eclipse Public License v1.0 * which accompanies this distribution, and is available at * http://www.eclipse.org/legal/epl-v10.html * * Contributors:/* ww w . j ava 2s .c om*/ * IBM Corporation - initial API and implementation *******************************************************************************/ import java.io.InputStreamReader; public class Main { public static String getCharset(Object resource) { if (resource instanceof InputStreamReader) { return ((InputStreamReader) resource).getEncoding(); } return null; } }