Java RandomAccessFile Read readFile(File file)

Description

read File

License

Apache License

Declaration

private static String readFile(File file) throws IOException 

Method Source Code

//package com.java2s;
/**// w  ww  . ja  v  a2s .  c o  m
 * Copyright 2015 Cisco Systems, Inc.
 *
 *  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.
 */

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

public class Main {
    private static String readFile(File file) throws IOException {
        RandomAccessFile f = new RandomAccessFile(file, "r");
        try {

            long longlength = f.length();
            int length = (int) longlength;
            if (length != longlength) {
                throw new IOException("File size >= 2 GB");
            }
            byte[] data = new byte[length];
            f.readFully(data);
            return new String(data);
        } finally {
            f.close();
        }
    }
}

Related

1. read_typedesc(final RandomAccessFile raf)
2. read_UnsignedByte(RandomAccessFile raf)
3. readAByte(ReadableByteChannel readChannel)
4. readFile(File f)
5. readFile(File file)
6. readFile(final File file)
7. readFile(String absoluteFileName)
8. readFile(String file)
9. readFile(String file)