Here you can find the source of getUtf8OrDefault()
public static Charset getUtf8OrDefault()
//package com.java2s; /*//from w w w.j a va 2s. c o m * JBoss, Home of Professional Open Source * Copyright 2011, Red Hat Middleware LLC, and individual contributors * by the @authors tag. See the copyright.txt in the distribution for a * full listing of individual contributors. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * http://www.apache.org/licenses/LICENSE-2.0 * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ import java.nio.charset.Charset; import java.nio.charset.UnsupportedCharsetException; public class Main { public static final String UTF8_NAME = "utf-8"; /** * Returns the value of {@link #getUtf8()} if UTF8 is supported. Returns {@link Charset#defaultCharset()} otherwise. */ public static Charset getUtf8OrDefault() { if (Charset.isSupported(UTF8_NAME)) { return getUtf8(); } else { return Charset.defaultCharset(); } } /** * Simply returns the value of {@link Charset#forName(String)} with value of {@link #UTF8_NAME}. * * @throws UnsupportedCharsetException */ public static Charset getUtf8() throws UnsupportedCharsetException { return Charset.forName(UTF8_NAME); } }