Java tutorial
//package com.java2s; import java.io.UnsupportedEncodingException; public class Main { private static byte[] getTextParameters(String fieldName, String fieldValue, String charset) throws UnsupportedEncodingException { StringBuilder sb = new StringBuilder(); sb.append("Content-Disposition:form-data;name=\""); sb.append(fieldName); sb.append("\"Content-Type:text/plain\r\n\r\n"); sb.append(fieldValue); return sb.toString().getBytes(charset); } }