Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
//License from project: Open Source License 

import java.io.UnsupportedEncodingException;

import java.util.Arrays;

import java.util.Map;

public class Main {
    private final static String sortedParams(Map<String, String> params) throws UnsupportedEncodingException {
        String vals[] = new String[params.size()];
        int idx = 0;
        for (String key : params.keySet()) {
            vals[idx++] = key;
        }
        Arrays.sort(vals);
        StringBuilder sb = new StringBuilder();
        for (int i = 0; i < vals.length; i++) {
            if (i > 0) {
                sb.append("&");
            }
            sb.append(vals[i]);
            sb.append("=");
            sb.append(encode(params.get(vals[i])));
        }
        return sb.toString();
    }

    final static String encode(String s) throws UnsupportedEncodingException {
        byte buf[] = s.getBytes("utf-8");
        StringBuilder sb = new StringBuilder();
        for (int i = 0; i < buf.length; i++) {
            int cur = (buf[i] & 0xff);
            if (isReserved(cur)) {
                sb.append("%");
                if (cur < 0x10) {
                    sb.append("0");
                }
                sb.append(Integer.toHexString(cur).toUpperCase());
            } else {
                sb.append((char) (cur));
            }
        }
        return sb.toString();
    }

    private final static boolean isReserved(int v) {
        if (((v >= 'a') && (v <= 'z')) || ((v >= 'A') && (v <= 'Z')) || ((v >= '0') && (v <= '9')) || (v == '-')
                || (v == '_') || (v == '.') || (v == '~')) {
            return false;
        } else {
            return true;
        }
    }
}