Android InputStream to ByteBuffer Read slurp(final InputStream is, final int bufferSize)

Description

slurp

License

Open Source License

Declaration

public static byte[] slurp(final InputStream is, final int bufferSize)
            throws IOException 

Method Source Code

//package com.java2s;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.Reader;
import java.io.UnsupportedEncodingException;

public class Main {
    public static String Slurp(final InputStream is, final int bufferSize) {
        final char[] buffer = new char[bufferSize];
        final StringBuilder out = new StringBuilder();
        try {// w ww .  ja v  a 2s  .c o m
            final Reader in = new InputStreamReader(is, "UTF-8");
            try {
                for (;;) {
                    int rsz = in.read(buffer, 0, buffer.length);
                    if (rsz < 0)
                        break;
                    out.append(buffer, 0, rsz);
                }
            } finally {
                in.close();
            }
        } catch (UnsupportedEncodingException ex) {
            /* ... */
        } catch (IOException ex) {
            /* ... */
        }
        return out.toString();
    }

    public static byte[] slurp(final InputStream is, final int bufferSize)
            throws IOException {

        // this dynamically extends to take the bytes you read
        ByteArrayOutputStream byteBuffer = new ByteArrayOutputStream();

        // this is storage overwritten on each iteration with bytes
        byte[] buffer = new byte[bufferSize];

        // we need to know how may bytes were read to write them to the
        // byteBuffer
        int len = 0;
        while ((len = is.read(buffer)) != -1) {
            byteBuffer.write(buffer, 0, len);
        }
        // and then we can return your byte array.

        return byteBuffer.toByteArray();
    }
}

Related

1. readIntoBuffer(InputStream is, ByteBuffer buf)