Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
/*
 * Copyright 2012 The Netty Project
 *
 * The Netty Project licenses this file to you 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.CharsetEncoder;
import java.nio.charset.CodingErrorAction;
import java.util.IdentityHashMap;
import java.util.Map;

public class Main {
    private static final ThreadLocal<Map<Charset, CharsetEncoder>> encoders = new ThreadLocal<Map<Charset, CharsetEncoder>>() {
        @Override
        protected Map<Charset, CharsetEncoder> initialValue() {
            return new IdentityHashMap<Charset, CharsetEncoder>();
        }
    };

    /**
     * Returns a cached thread-local {@link CharsetEncoder} for the specified
     * <tt>charset</tt>.
     */
    public static CharsetEncoder getEncoder(Charset charset) {
        if (charset == null) {
            throw new NullPointerException("charset");
        }

        Map<Charset, CharsetEncoder> map = encoders.get();
        CharsetEncoder e = map.get(charset);
        if (e != null) {
            e.reset();
            e.onMalformedInput(CodingErrorAction.REPLACE);
            e.onUnmappableCharacter(CodingErrorAction.REPLACE);
            return e;
        }

        e = charset.newEncoder();
        e.onMalformedInput(CodingErrorAction.REPLACE);
        e.onUnmappableCharacter(CodingErrorAction.REPLACE);
        map.put(charset, e);
        return e;
    }
}