Java URL Query Build getQuery(URL theURL)

Description

Returns the query string of the URL.

License

Apache License

Parameter

Parameter	Description
theURL	the URL from which to extract the query string

Return

the query string portion of the URL

Declaration

public static String getQuery(URL theURL) 

Method Source Code

//package com.java2s;
/* //from  ww  w.jav a  2  s  .c o m
 * ========================================================================
 * 
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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.net.URL;

public class Main {
    /**
     * Returns the query string of the URL. This method is needed for
     * JDK 1.2 support as <code>URL.getQuery()</code> does not exist in
     * JDK 1.2 (only for JDK 1.3+).
     *
     * @param theURL the URL from which to extract the query string
     * @return the query string portion of the URL
     */
    public static String getQuery(URL theURL) {
        String file = theURL.getFile();
        String query = null;

        if (file != null) {
            int q = file.lastIndexOf('?');

            if (q != -1) {
                query = file.substring(q + 1);
            } else {
                query = "";
            }
        }

        return query;
    }
}

Related

1. createQueryString(Map params)
2. createQueryString(Map params)
3. createQueryStringForParameters(Map parameters)
4. createQueryStringFromMap(Map m, String ampersand, boolean encode)
5. getQuery(Map params, String encode)
6. getQueryFromURL(URL url)
7. getQueryMap(String query)
8. getQueryMap(String urlString)
9. getQueryMap(URL url)