Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
//License from project: Apache License 

import java.io.UnsupportedEncodingException;

import java.net.URLEncoder;

public class Main {
    private static String encodeUrlParams(/*@Nullable*/String userLocale,
            /*@Nullable*/String/*@Nullable*/[] params) {
        StringBuilder buf = new StringBuilder();
        String sep = "";
        if (userLocale != null) {
            buf.append("locale=").append(userLocale);
            sep = "&";
        }

        if (params != null) {
            if (params.length % 2 != 0) {
                throw new IllegalArgumentException(
                        "'params.length' is " + params.length + "; expecting a multiple of two");
            }
            for (int i = 0; i < params.length;) {
                String key = params[i];
                String value = params[i + 1];
                if (key == null)
                    throw new IllegalArgumentException("params[" + i + "] is null");
                if (value != null) {
                    buf.append(sep);
                    sep = "&";
                    buf.append(encodeUrlParam(key));
                    buf.append("=");
                    buf.append(encodeUrlParam(value));
                }
                i += 2;
            }
        }

        return buf.toString();
    }

    public static String encodeUrlParam(String s) {
        try {
            return URLEncoder.encode(s, "UTF-8");
        } catch (UnsupportedEncodingException ex) {
            throw new AssertionError("UTF-8 should always be supported", ex);
        }
    }
}