Java RandomAccessFile Read read_int32(RandomAccessFile raf)

Description

Reads an Integer (-2147483648 to 2147483647).

License

Open Source License

Parameter

Parameter	Description
raf	the 4 Bytes where the file is read

Return

an Integer

Declaration

private static int read_int32(RandomAccessFile raf) 

Method Source Code

//package com.java2s;
/*******************************************************************************
* Copyright 2016 CNES - CENTRE NATIONAL d'ETUDES SPATIALES
*
* This file is part of JSave./*from   w w w.j a v  a 2 s.co m*/
*
* JSave is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* JSave 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 for more details.
*
* You should have received a copy of the GNU General Public License
* along with JSave.  If not, see <http://www.gnu.org/licenses/>.
******************************************************************************/

import java.io.IOException;
import java.io.RandomAccessFile;

import java.nio.ByteBuffer;

public class Main {
    /**
     * Reads an Integer (-2147483648 to 2147483647).
     *
     * @param raf the 4 Bytes where the file is read
     * @return an Integer
     */
    private static int read_int32(RandomAccessFile raf) {
        byte[] data = new byte[4];
        int intData = -1;
        try {
            raf.read(data);
            intData = ByteBuffer.wrap(data).getInt();
        } catch (IOException e) {
        }
        return intData;
    }
}

Related

1. load(String fn, int type, int m, int n)
2. LoadDspaceMapFile(String filename)
3. LoadFloatFile(String filename)
4. LoadGhostMapFile(String filename, int n_ids, int n_ghosts)
5. read_arraydesc(final RandomAccessFile raf)
6. read_long(final RandomAccessFile raf)
7. read_string(final RandomAccessFile raf)
8. read_structdesc(final RandomAccessFile raf)
9. read_tagdesc(RandomAccessFile raf)