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MessagePack for Java is a binary-based efficient object serialization library in Java.

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//
// MessagePack for Java
//
// Copyright (C) 2009 - 2013 FURUHASHI Sadayuki
//
//    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.
//
package org.msgpack.unpacker;

import org.msgpack.MessageTypeException;

final class LongAccept extends Accept {
    long value;

    LongAccept() {
        super("integer");
    }

    @Override
    void acceptInteger(byte v) {
        this.value = (long) v;
    }

    @Override
    void acceptInteger(short v) {
        this.value = (long) v;
    }

    @Override
    void acceptInteger(int v) {
        this.value = (long) v;
    }

    @Override
    void acceptInteger(long v) {
        this.value = v;
    }

    @Override
    void acceptUnsignedInteger(byte v) {
        this.value = (long) (v & 0xff);
    }

    @Override
    void acceptUnsignedInteger(short v) {
        this.value = (long) (v & 0xffff);
    }

    @Override
    void acceptUnsignedInteger(int v) {
        if (v < 0) {
            this.value = (long) (v & 0x7fffffff) + 0x80000000L;
        } else {
            this.value = (long) v;
        }
    }

    @Override
    void acceptUnsignedInteger(long v) {
        if (v < 0L) {
            throw new MessageTypeException(); // TODO message
        }
        this.value = v;
    }
}