Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
/* Copyright (c) 2008 Google Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import java.io.UnsupportedEncodingException;

import java.net.URLDecoder;
import java.util.HashMap;
import java.util.Map;

public class Main {
    /**
     * Parse a querystring into a map of key/value pairs.
     *
     * @param queryString the string to parse (without the '?')
     * @return key/value pairs mapping to the items in the querystring
     */
    public static Map<String, String> parseQuerystring(String queryString) {
        Map<String, String> map = new HashMap<String, String>();
        if ((queryString == null) || (queryString.equals(""))) {
            return map;
        }
        String[] params = queryString.split("&");
        for (String param : params) {
            try {
                String[] keyValuePair = param.split("=", 2);
                String name = URLDecoder.decode(keyValuePair[0], "UTF-8");
                if (name == "") {
                    continue;
                }
                String value = keyValuePair.length > 1 ? URLDecoder.decode(keyValuePair[1], "UTF-8") : "";
                map.put(name, value);
            } catch (UnsupportedEncodingException e) {
                // ignore this parameter if it can't be decoded
            }
        }
        return map;
    }
}