FooProvider.java

/*
 * Copyright (c) 2010, 2017, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.
 *
 * This code 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
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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import java.nio.charset.Charset;
import java.nio.charset.spi.CharsetProvider;
import java.util.Collections;
import java.util.Iterator;

public class FooProvider
    extends CharsetProvider
{

    public FooProvider() {}

    public Iterator charsets() {
        return Collections.singleton(new FooCharset()).iterator();
    }

    public Charset charsetForName(String charsetName) {
        if (charsetName.equalsIgnoreCase("FOO"))
            return new FooCharset();
        return null;
    }

}