/**
 * Just to test if using the ByteArrayInputStream isn't missing something
 */
@Test
public void itDoesNotAddLineBreaks_whenBase64InputStream() throws IOException {
  byte[] exampleString = "dGVzdA==".getBytes();
  Base64InputStream inputStream =
      new Base64InputStream(new ByteArrayInputStream(exampleString), Base64.NO_WRAP);
  assertEquals("dGVzdA==", invokeConversion(inputStream));
}
 

/**
 * @see http
 *      ://svn.apache.org/viewvc/xmlgraphics/commons/trunk/src/java/org/
 *      apache /xmlgraphics/util/uri/DataURIResolver.java
 */
private static InputStream openDataUriStream(String uri) {
    int commaPos = uri.indexOf(',');
    if (commaPos < 0) {
        PXLog.w(TAG, "Data uri is malformed: " + uri);
        return null;
    }

    String header = uri.substring(0, commaPos);
    String data = uri.substring(commaPos + 1);
    if (header.endsWith(";base64")) {
        byte[] bytes = data.getBytes();
        ByteArrayInputStream encodedStream = new ByteArrayInputStream(bytes);
        return new Base64InputStream(encodedStream, Base64.DEFAULT);
    } else {
        String encoding = "UTF-8";
        final int charsetpos = header.indexOf(";charset=");
        if (charsetpos > 0) {
            encoding = header.substring(charsetpos + 9);
        }
        try {
            return new ByteArrayInputStream(URLDecoder.decode(data, encoding)
                    .getBytes(encoding));
        } catch (Exception e) {
            PXLog.e(TAG, e, "Unable to decode data uri contents: " + uri);
        }
    }
    return null;
}