com.econcept.pingconnectionutility.utility.PingConnectionUtility.java Source code

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Here is the source code for com.econcept.pingconnectionutility.utility.PingConnectionUtility.java

Source

/**
 * 
 * The MIT License (MIT)
 * 
 * Copyright (c) 2013 Kai-Ting (Danil) Ko
 * 
 * Permission is hereby granted, free of charge, 
 * to any person obtaining a copy of this software 
 * and associated documentation files (the "Software"), 
 * to deal in the Software without restriction, including 
 * without limitation the rights to use, copy, modify, 
 * merge, publish, distribute, sublicense, and/or sell 
 * copies of the Software, and to permit persons to whom 
 * the Software is furnished to do so, subject to the 
 * following conditions:
 * 
 * The above copyright notice and this permission notice 
 * shall be included in all copies or substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY 
 * OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED 
 * TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR 
 * PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS 
 * OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 
 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE 
 * USE OR OTHER DEALINGS IN THE SOFTWARE.
 * 
 */

package com.econcept.pingconnectionutility.utility;

import java.io.IOException;
import java.io.InputStream;
import java.io.StringWriter;
import java.net.URI;
import java.net.URISyntaxException;

import org.apache.commons.io.IOUtils;
import org.apache.http.HttpEntity;
import org.apache.http.client.methods.CloseableHttpResponse;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClients;
import org.apache.http.util.EntityUtils;

public class PingConnectionUtility {
    public static void main(String[] args) {
        try {
            //PingConnectionUtility.httpPingable("https://google.com");  // Working
            //PingConnectionUtility.httpPingable("https://api.soundcloud.com/oauth22"); // Fail

            PingConnectionUtility.httpPingable(args[0]);
        } catch (Exception exception) {
            System.out.println("Error in performing the request");
            System.out.println(exception.toString());

        } // catch
    } // static void main

    private static void httpPingable(String targetURI) throws IOException, URISyntaxException {
        CloseableHttpClient httpClient = HttpClients.createDefault();
        HttpGet httpGet = new HttpGet();
        httpGet.setURI(new URI(targetURI));
        CloseableHttpResponse response = httpClient.execute(httpGet);

        int currentCode = response.getStatusLine().getStatusCode();
        try {

            if (currentCode >= 200 && currentCode < 300) {
                HttpEntity entity = response.getEntity();

                InputStream responseStream = entity.getContent();

                StringWriter writer = new StringWriter();

                IOUtils.copy(responseStream, writer, "UTF-8");

                System.out.println("Target Server are ok: " + currentCode);
                System.out.println(writer.toString());

                EntityUtils.consume(entity);
            } // if
            else {
                System.out.println("Target Server are not ok: " + currentCode);
            } // else
        } // try
        finally {
            response.close();
        } // finally

    } // httpPingable

} // class PingConnectionUtility