Java URL Value Check isURLExists(String URLName)

Description

is URL Exists

License

Apache License

Declaration

public static boolean isURLExists(String URLName) 

Method Source Code

//package com.java2s;
/*/*from   ww w. j  ava2 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.HttpURLConnection;
import java.net.SocketTimeoutException;
import java.net.URL;

public class Main {
    public static boolean isURLExists(String URLName) {
        try {
            if (!URLName.toUpperCase().contains("HTTP"))
                URLName = "http://" + URLName;
            URL url = new URL(URLName);
            System.setProperty("java.net.useSystemProxies", "true");
            HttpURLConnection urlConn = (HttpURLConnection) url
                    .openConnection();
            urlConn.setConnectTimeout(9000);
            urlConn.setReadTimeout(9000);
            urlConn.connect();
            if (HttpURLConnection.HTTP_OK == urlConn.getResponseCode())
                return true;
            else
                return false;
        } catch (SocketTimeoutException e) {
            return false;
        } catch (Exception e) {
            e.printStackTrace();
            return false;
        }
    }
}

Related

1. isURLAccessible(String URL)
2. isURLAvailable(String url, int timeout)
3. isUrlAvailable(URL url, Proxy proxy)
4. isUrlDownWithRetries(String url, long timeoutMs, long retryDelayMs)
5. isUrlExists(String url)
6. isUrlInJar(URL url)
7. isUrlResponding(String url)
8. isUrlValid(final URL url)
9. isUrlValid(URL url)