httpServerClient.app.QuickStart.java Source code

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Here is the source code for httpServerClient.app.QuickStart.java

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/*
 * ====================================================================
 * 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.
 * ====================================================================
 *
 * This software consists of voluntary contributions made by many
 * individuals on behalf of the Apache Software Foundation.  For more
 * information on the Apache Software Foundation, please see
 * <http://www.apache.org/>.
 *
 *
 *   UKAZKA TOHO AKO CITAT ZO VZDIALENEJ ADRESY
 */
package httpServerClient.app;

import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.ArrayList;
import java.util.List;

import org.apache.http.Header;
import org.apache.http.HttpEntity;
import org.apache.http.NameValuePair;
import org.apache.http.client.entity.UrlEncodedFormEntity;
import org.apache.http.client.methods.CloseableHttpResponse;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.entity.StringEntity;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClients;
import org.apache.http.message.BasicNameValuePair;
import org.apache.http.util.EntityUtils;

public class QuickStart {

    public static void sendMessage(String[] args) throws Exception {
        // arguments to run Quick start POST:
        // args[0] POST
        // args[1] IPAddress of server
        // args[2] port No.
        // args[3] user name
        // args[4] myMessage
        CloseableHttpClient httpclient = HttpClients.createDefault();

        try {
            HttpPost httpPost = new HttpPost("http://" + args[1] + ":" + args[2] + "/sendMessage");
            // httpPost.setEntity(new StringEntity("lubo je kral"));
            httpPost.setEntity(
                    new StringEntity("{\"name\":\"" + args[3] + "\",\"myMessage\":\"" + args[4] + "\"}"));
            CloseableHttpResponse response1 = httpclient.execute(httpPost);
            // The underlying HTTP connection is still held by the response
            // object
            // to allow the response content to be streamed directly from the
            // network socket.
            // In order to ensure correct deallocation of system resources
            // the user MUST call CloseableHttpResponse#close() from a finally
            // clause.
            // Please note that if response content is not fully consumed the
            // underlying
            // connection cannot be safely re-used and will be shut down and
            // discarded
            // by the connection manager.
            try {
                System.out.println(response1.getStatusLine());
                HttpEntity entity1 = response1.getEntity();

                /*
                 * Vypisanie odpovede do konzoly a discard dat zo serveru.
                 */

                System.out.println(EntityUtils.toString(entity1));
                EntityUtils.consume(entity1);
            } finally {
                response1.close();
            }

        } finally {
            httpclient.close();
        }
    }

    public static void getAllMessages(String[] args) throws Exception {
        // arguments to run Quick start:
        // args[0] GET
        // args[1] IPAddress of server
        // args[2] port No.

        CloseableHttpClient httpclient = HttpClients.createDefault();
        JacksonObjectMapperToList myList = new JacksonObjectMapperToList();

        try {
            HttpGet httpGet = new HttpGet("http://" + args[1] + ":" + args[2] + "/getAllMessages");
            CloseableHttpResponse response1 = httpclient.execute(httpGet);
            // The underlying HTTP connection is still held by the response
            // object
            // to allow the response content to be streamed directly from the
            // network socket.
            // In order to ensure correct deallocation of system resources
            // the user MUST call CloseableHttpResponse#close() from a finally
            // clause.
            // Please note that if response content is not fully consumed the
            // underlying
            // connection cannot be safely re-used and will be shut down and
            // discarded
            // by the connection manager.
            try {
                System.out.println(response1.getStatusLine());
                HttpEntity entity1 = response1.getEntity();
                String result = EntityUtils.toString(entity1);

                /*
                 * Vypisanie odpovede do konzoly a discard dat zo serveru.
                 */
                //myList.jsonToList(result);
                myList.jacksonToList(result);
                myList.PrintList();
                EntityUtils.consume(entity1);
            } finally {
                response1.close();
            }

        } finally {
            httpclient.close();
        }
    }

    public static void main(String[] args) throws Exception {

        switch (args[0].toUpperCase()) {
        case "POST":
            sendMessage(args);
            break;
        case "GET":
            getAllMessages(args);
            break;
        default: {
            System.out.println("incorrect request format, use POST or GET");

        }
        }
    }

}