this.entity = new StringEntity(object); this.entity.setContentType("application/json"); } public void setRequestBody(File object, String contentType){ this.entity = new FileEntity(object, contentType); } private String StreamToString(InputStream in){ BufferedReader br = new BufferedReader( new InputStreamReader(in)); StringBuilder sb = new StringBuilder(); String line; try { while ((line = br.readLine()) != null) { sb.append(line); }