Java InputStream Read Bytes readBytes(InputStream input, int size, byte[] buffer)

Description

Reads a sequency of bytes into a byte array.

License

Apache License

Parameter

Parameter	Description
input	- The stream to read from.
size	- The number of bytes to read.
buffer	- The array to store the bytes into.

Exception

Parameter	Description
IOException	on EOF or any read error.

Declaration

public static void readBytes(InputStream input, int size, byte[] buffer) throws IOException 

Method Source Code

//package com.java2s;
/*/*  w ww .j ava 2  s. co  m*/
 * Copyright 2011 Google 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.IOException;
import java.io.InputStream;

public class Main {
    /**
     * Reads a sequency of bytes into a byte array.
     * @param input - The stream to read from.
     * @param size - The number of bytes to read.
     * @param buffer - The array to store the bytes into.
     * @throws IOException on EOF or any read error.
     */
    public static void readBytes(InputStream input, int size, byte[] buffer) throws IOException {
        // Read "size" bytes into an array.
        int totalRead = input.read(buffer, 0, size);
        while (totalRead < size) {
            int read = input.read(buffer, totalRead, size - totalRead);
            if (read < 0) {
                throw new IOException("Unexpected EOF while reading bytes.");
            }
            totalRead += read;
        }
    }
}

Related

1. readBytes(InputStream in, long len)
2. readBytes(InputStream input)
3. readBytes(InputStream input, byte[] data, int capacity)
4. readBytes(InputStream input, Class type)
5. readbytes(InputStream input, int n)
6. readBytes(InputStream inputStream)
7. readBytes(InputStream inputStream)
8. readBytes(InputStream inputStream)
9. readBytes(InputStream inputStream)