Java URL Value Check isValidServerURL(String serverURL)

Description

is Valid Server URL

License

Open Source License

Declaration

public static boolean isValidServerURL(String serverURL) 

Method Source Code

//package com.java2s;
/*/*w w  w  .j av  a2 s  . co  m*/
 * Copyright (c) 2010, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
 *
 * 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.net.HttpURLConnection;
import java.net.Socket;
import java.net.URL;

public class Main {
    public static boolean isValidServerURL(String serverURL) {
        try {
            HttpURLConnection.setFollowRedirects(false);
            URL url = new URL(serverURL);
            int port = url.getPort();
            if (port == -1) {
                port = (url.getProtocol().equalsIgnoreCase("http") ? 80 : 443);
            }
            Socket socket = new Socket(url.getHost(), port);
            socket.getInputStream();
            if (socket.isConnected()) {
                return true;
            } else {
                return false;
            }
            //         HttpURLConnection con = (HttpURLConnection) url.openConnection();
            //         con.setRequestMethod("HEAD");
            //         return (con.getResponseCode() == HttpURLConnection.HTTP_OK);
        } catch (Exception e) {
            return false;
        }
    }
}

Related

1. isUrlValid(final URL url)
2. isUrlValid(URL url)
3. isValid(String candidateUrl)
4. isValid(String url)
5. isValidChannelUrl(String url)
6. isValidSuccessfulSignInURL(String url)
7. isValidURL(CharSequence urlStr)
8. isValidURL(final String candidateString)
9. isValidURL(String link)