private String getFieldValue(FileItemStream item) throws IOException {
		InputStream fieldStream = null;
		try {
			fieldStream = item.openStream();
			StringWriter writer = new StringWriter();
			IOUtils.copy(fieldStream, writer, "UTF-8");
			return writer.toString();
		} finally {
			if (fieldStream != null) {
				fieldStream.close();
			}
		}
	}