Java URL Create buildUrl(String URL, Map params)

Description

build Url

License

Apache License

Declaration

public static String buildUrl(String URL, Map<String, String> params)
            throws UnsupportedEncodingException 

Method Source Code

//package com.java2s;
/*//from   www.  j av a  2s  .  com
 * Copyright 2010 Rajendra Patil
 *
 * 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.URLEncoder;

import java.util.Map;

public class Main {
    public static String buildUrl(String URL, Map<String, String> params)
            throws UnsupportedEncodingException {
        if (URL == null)
            return null;
        String qs = buildQueryString(params);
        return URL.indexOf("?") < 0 ? URL + "?" + qs : URL + "&" + qs;
    }

    public static String buildQueryString(Map<String, String> params)
            throws UnsupportedEncodingException {
        String qs = "";
        if (params == null)
            return qs;
        int i = 0;
        for (String param : params.keySet()) {
            qs += param + "="
                    + URLEncoder.encode(params.get(param), "UTF-8")
                    + (i++ < (params.size() - 1) ? "&" : "");
        }
        return qs;
    }
}

Related

1. buildURL(String spec, boolean trailingSlash)
2. buildUrl(String url)
3. buildURL(String url)
4. buildURL(String url)
5. buildUrl(String url, HashMap params)
6. buildUrl(String urlPrefix, String urlSuffix)
7. buildURL(URI base, Multimap params)
8. buildUrlPath(String baseUrl, String childUrl)
9. buildUrlsList(final String domain, final String... paths)