Java FileInputStream Read readFile(final File file)

Description

Read file.

License

Apache License

Parameter

Parameter	Description
file	File

Exception

Parameter	Description
IOException	Signals that an I/O exception has occurred.

Return

byte[]

Declaration

public static byte[] readFile(final File file) throws IOException 

Method Source Code

//package com.java2s;
/*//from  w w w. jav a2 s.c  o m
 * Copyright 2002-2016 Jalal Kiswani.
 *
 * 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.DataInputStream;
import java.io.File;
import java.io.FileInputStream;

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

public class Main {
    /**
     * Read file.
     *
     * @param file
     *            File
     * @return byte[]
     * @throws IOException
     *             Signals that an I/O exception has occurred.
     */
    public static byte[] readFile(final File file) throws IOException {
        return readStream(new FileInputStream(file));
    }

    /**
     * Read stream.
     *
     * @param inStream
     *            InputStream
     * @return String
     * @throws IOException
     *             Signals that an I/O exception has occurred.
     */
    public static byte[] readStream(final InputStream inStream) throws IOException {
        DataInputStream in = null;
        try {
            in = new DataInputStream(inStream);
            final int size = in.available();
            final byte arr[] = new byte[size];
            in.readFully(arr);
            return arr;
        } finally {
            if (in != null) {
                in.close();
            }
        }
    }
}

Related

1. readFile(File source)
2. readFile(File src)
3. readFile(File srcFile, OutputStream destStream)
4. readFile(File target)
5. readFile(FileInputStream fileinputstream, byte abyte0[])
6. readFile(final File file)
7. readFile(final File file)
8. readFile(final InputStream stream)
9. readFile(final String fileNamePath)