Java tutorial
//package com.java2s; import java.util.ArrayList; import java.util.List; import java.util.Map; import org.apache.http.NameValuePair; import org.apache.http.message.BasicNameValuePair; public class Main { public static List<NameValuePair> convertMap2List(Map<String, String> params) { if (params.isEmpty()) return null; List<NameValuePair> paramList = new ArrayList<NameValuePair>(); for (Map.Entry<String, String> entry : params.entrySet()) { paramList.add(new BasicNameValuePair(entry.getKey().trim(), entry.getValue().trim())); } return paramList; } }