AlfrescoCmisStreamInterceptor.java 文件源码

public Object invoke(MethodInvocation mi) throws Throwable
{
    Class<?>[] parameterTypes = mi.getMethod().getParameterTypes();
    Object[] arguments = mi.getArguments();
    for (int i = 0; i < parameterTypes.length; i++)
    {
        if (arguments[i] instanceof ContentStreamImpl)
        {
            ContentStreamImpl contentStream = (ContentStreamImpl) arguments[i];
            if (contentStream != null)
            {
                // ALF-18006
                if (contentStream.getMimeType() == null)
                {
                    InputStream stream = contentStream.getStream();
                    String mimeType = mimetypeService.guessMimetype(contentStream.getFileName(), stream);
                    contentStream.setMimeType(mimeType);
                }
            }
        }
    }
    return mi.proceed();
}