com.appdynamics.common.RESTClient.java Source code

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Here is the source code for com.appdynamics.common.RESTClient.java

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/**
 * Copyright 2013 AppDynamics
 * 
 * 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.
 */
package com.appdynamics.common;
/**
 *  This class is a generic REST client.
 *
 * Copyright (c) AppDynamics, Inc.
 * @author Pranta Das
 * Created on: September 18, 2012.
 */

import org.apache.commons.codec.binary.Base64;
import org.apache.log4j.Logger;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.net.HttpURLConnection;
import java.net.MalformedURLException;
import java.net.URL;

public class RESTClient {

    private static Logger logger = Logger.getLogger(RESTClient.class);

    public static void sendGet(String urlString, String apiKey) {

        try {

            URL url = new URL(urlString);
            HttpURLConnection conn = (HttpURLConnection) url.openConnection();
            conn.setRequestMethod("GET");
            conn.setRequestProperty("Accept", "application/json");
            conn.setRequestProperty("Authorization",
                    "Basic " + new String(Base64.encodeBase64((apiKey).getBytes())));

            if (conn.getResponseCode() != 200) {
                throw new RuntimeException("Failed : HTTP error code : " + conn.getResponseCode());
            }

            BufferedReader br = new BufferedReader(new InputStreamReader((conn.getInputStream())));

            String output;
            logger.info("Output from Server .... \n");
            while ((output = br.readLine()) != null) {
                logger.info(output);
            }

            conn.disconnect();

        } catch (MalformedURLException e) {

            e.printStackTrace();

        } catch (IOException e) {

            e.printStackTrace();

        }

    }

    public static void sendPost(String urlString, String input, String apiKey) {
        try {
            URL url = new URL(urlString);
            HttpURLConnection conn = (HttpURLConnection) url.openConnection();
            conn.setDoOutput(true);
            conn.setRequestMethod("POST");
            conn.setRequestProperty("Content-Type", "application/json");

            conn.setRequestProperty("Authorization",
                    "Basic " + new String(Base64.encodeBase64((apiKey).getBytes())));

            OutputStream os = conn.getOutputStream();
            os.write(input.getBytes());
            os.flush();

            if (conn.getResponseCode() != HttpURLConnection.HTTP_CREATED) {
                throw new RuntimeException("Failed : HTTP error code : " + conn.getResponseCode());
            }

            BufferedReader br = new BufferedReader(new InputStreamReader((conn.getInputStream())));

            String output;
            logger.info("Output from Server .... \n");
            while ((output = br.readLine()) != null) {
                logger.info(output);
            }

            conn.disconnect();

        } catch (MalformedURLException e) {

            e.printStackTrace();

        } catch (IOException e) {

            e.printStackTrace();

        }

    }

}