Question

I have a bin file that I need to convert to a byte array. Can anyone tell me how to do this?

Here is what I have so far:

File f = new File("notification.bin");
is = new FileInputStream(f);

long length = f.length();

/*if (length > Integer.MAX_VALUE) {
    // File is too large
}*/

// Create the byte array to hold the data
byte[] bytes = new byte[(int)length];

// Read in the bytes
int offset = 0;
int numRead = 0;
while (offset < bytes.length && (numRead=is.read(bytes, offset, bytes.length-offset)) >= 0) {
    offset += numRead;
}

// Ensure all the bytes have been read in
if (offset < bytes.length) {
    throw new IOException("Could not completely read file "+f.getName());
}

But it’s not working…

Kaddy

Answer 1

try using this

public byte[] readFromStream(InputStream inputStream) throws Exception
{
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    DataOutputStream dos = new DataOutputStream(baos);
    byte[] data = new byte[4096];
    int count = inputStream.read(data);
    while(count != -1)
    {
        dos.write(data, 0, count);
        count = inputStream.read(data);
    }

    return baos.toByteArray();
}

Btw, do you want a Java code or C++ code. Seeing the code in your question, I assumed it to be a java code and hence gave a java answer to it