Java InputStream Read Long readLong(InputStream is)

Description

read Long

License

Apache License

Declaration

public static long readLong(InputStream is) throws IOException 

Method Source Code

//package com.java2s;
//License from project: Apache License 

import java.io.EOFException;
import java.io.IOException;
import java.io.InputStream;

public class Main {
    public static long readLong(InputStream is) throws IOException {
        long n = 0;
        n |= ((read(is) & 0xFFL) << 0);
        n |= ((read(is) & 0xFFL) << 8);
        n |= ((read(is) & 0xFFL) << 16);
        n |= ((read(is) & 0xFFL) << 24);
        n |= ((read(is) & 0xFFL) << 32);
        n |= ((read(is) & 0xFFL) << 40);
        n |= ((read(is) & 0xFFL) << 48);
        n |= ((read(is) & 0xFFL) << 56);
        return n;
    }//from  w  ww  .j a  va2s .c o m

    public static int read(InputStream is) throws IOException {
        int b = is.read();
        if (b == -1) {
            throw new EOFException();
        }
        return b;
    }
}

Related

1. readLong(InputStream is)
2. readLong(InputStream is)
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