Java InputStream Read Long readLong(InputStream in)

Description

read Long

License

Apache License

Declaration

public static long readLong(InputStream in) throws IOException 

Method Source Code

//package com.java2s;
/**//w ww .  j  a  va 2  s  .c o m
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF 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.io.IOException;
import java.io.InputStream;

public class Main {
    public static long readLong(InputStream in) throws IOException {
        long result = 0;
        for (int shift = 56; shift >= 0; shift -= 8) {
            long x = in.read();
            if (x < 0)
                throw new IOException("EOF");
            result |= (x << shift);
        }
        return result;
    }
}

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1. readLong(InputStream i)
2. readLong(InputStream in)
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5. readLong(InputStream in)