public void copyResource()

in framework/src/org/apache/cordova/CordovaResourceApi.java [372:407]

• 32 lines of code
• 7 McCabe index (conditional complexity)

    public void copyResource(OpenForReadResult input, OutputStream outputStream) throws IOException {
        assertBackgroundThread();
        try {
            InputStream inputStream = input.inputStream;
            if (inputStream instanceof FileInputStream && outputStream instanceof FileOutputStream) {
                FileChannel inChannel = ((FileInputStream)input.inputStream).getChannel();
                FileChannel outChannel = ((FileOutputStream)outputStream).getChannel();
                long offset = 0;
                long length = input.length;
                if (input.assetFd != null) {
                    offset = input.assetFd.getStartOffset();
                }
                // transferFrom()'s 2nd arg is a relative position. Need to set the absolute
                // position first.
                inChannel.position(offset);
                outChannel.transferFrom(inChannel, 0, length);
            } else {
                final int BUFFER_SIZE = 8192;
                byte[] buffer = new byte[BUFFER_SIZE];

                for (;;) {
                    int bytesRead = inputStream.read(buffer, 0, BUFFER_SIZE);

                    if (bytesRead <= 0) {
                        break;
                    }
                    outputStream.write(buffer, 0, bytesRead);
                }
            }
        } finally {
            input.inputStream.close();
            if (outputStream != null) {
                outputStream.close();
            }
        }
    }