ApplicationImpl.java

/* 
** Copyright [2012] [Megam Systems]
**
** 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 org.megam.deccanplato.provider.twilio.handler;

import static org.megam.deccanplato.provider.Constants.*;
import static org.megam.deccanplato.provider.twilio.Constants.*;

import java.io.IOException;
import java.net.URISyntaxException;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import org.apache.http.NameValuePair;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.message.BasicNameValuePair;
import org.megam.deccanplato.http.TransportMachinery;
import org.megam.deccanplato.http.TransportResponse;
import org.megam.deccanplato.http.TransportTools;
import org.megam.deccanplato.provider.BusinessActivity;
import org.megam.deccanplato.provider.core.BusinessActivityInfo;

/**
 * This class deals with the Application business functionalities,
 * such as create, list, update and delete applications.
 * Application contains application SID, this id use to make calls. 
 * @author pandiyaraja
 *
 */
public class ApplicationImpl implements BusinessActivity{

	private Map<String, String> args;
	private BusinessActivityInfo bizInfo;
	/* (non-Javadoc)
	 * @see org.megam.deccanplato.provider.BusinessActivity#setArguments(org.megam.deccanplato.provider.core.BusinessActivityInfo, java.util.Map)
	 */
	@Override
	public void setArguments(BusinessActivityInfo tempBizInfo,
			Map<String, String> tempArgs) {
		this.args = tempArgs;
		this.bizInfo = tempBizInfo;
		
	}

	/* (non-Javadoc)
	 * @see org.megam.deccanplato.provider.BusinessActivity#run()
	 */
	@Override
	public Map<String, String> run() {
		Map<String, String> outMap = new HashMap<String, String>();
		switch (bizInfo.getActivityFunction()) {
		case CREATE:
			outMap=create(outMap);
			break;
		case LIST:
			outMap=list(outMap);
			break;
		case VIEW:
			outMap=view(outMap);
			break;
		case UPDATE:
			outMap=update(outMap);
			break;
		case DELETE:
			outMap=delete(outMap);
			break;
		}
		return outMap;
	}

	/**
	 * Delete method deletes an application by based on application SID value
	 * @param outMap
	 * @return 
	 */
	private Map<String, String> delete(Map<String, String> outMap) {
		final String account_view_url = TWILIO_URL + "Accounts/"
				+ args.get(ACCOUNT_SID) + "/Applications/"+args.get(APPLICATION_SID)+".json";

		Map<String, String> header = new HashMap<>();
		header.put(PROVIDER, args.get(PROVIDER));
		header.put(ACCOUNT_SID, args.get(ACCOUNT_SID));
		header.put(OAUTH_TOKEN, args.get(OAUTH_TOKEN));

		TransportTools tst = new TransportTools(account_view_url, null, header);
		String responseBody = null;

		TransportResponse response = null;
		try {
			response = TransportMachinery.delete(tst);
			responseBody = response.entityToString();

		} catch (ClientProtocolException e) {
			e.printStackTrace();
		} catch (IOException e) {
			e.printStackTrace();
		}
		outMap.put(OUTPUT, responseBody);
		return outMap;	}

	/**
	 * update method updates a particular application details by using application
	 * SID, we can change application name and api version.
	 * @param outMap
	 * @return
	 */
	private Map<String, String> update(Map<String, String> outMap) {
		final String account_view_url = TWILIO_URL + "Accounts/"
				+ args.get(ACCOUNT_SID) + "/Applications/"+args.get(APPLICATION_SID)+".json";

		Map<String, String> header = new HashMap<>();
		header.put(PROVIDER, args.get(PROVIDER));
		header.put(ACCOUNT_SID, args.get(ACCOUNT_SID));
		header.put(OAUTH_TOKEN, args.get(OAUTH_TOKEN));

		List<NameValuePair> appsList=new ArrayList<NameValuePair>();
		appsList.add(new BasicNameValuePair("FriendlyName", args.get(FRIENDLY_NAME)));
		//appsList.add(new BasicNameValuePair("ApiVersion", args.get(API_VERSION)));

		TransportTools tst = new TransportTools(account_view_url, appsList, header);
		String responseBody = null;

		TransportResponse response = null;
		try {
			response = TransportMachinery.post(tst);
			responseBody = response.entityToString();

		} catch (ClientProtocolException e) {
			e.printStackTrace();
		} catch (IOException e) {
			e.printStackTrace();
		}
		outMap.put(OUTPUT, responseBody);
		return outMap;
	}

	/**
	 * This method returns a particular application details by using application SID.
	 * @param outMap
	 * @return
	 */
	private Map<String, String> view(Map<String, String> outMap) {
		final String account_view_url = TWILIO_URL + "Accounts/"
				+ args.get(ACCOUNT_SID) + "/Applications.json?ApplicationSid="+args.get(APPLICATION_SID);

		Map<String, String> header = new HashMap<>();
		header.put(PROVIDER, args.get(PROVIDER));
		header.put(ACCOUNT_SID, args.get(ACCOUNT_SID));
		header.put(OAUTH_TOKEN, args.get(OAUTH_TOKEN));

		TransportTools tst = new TransportTools(account_view_url, null, header);
		String responseBody = null;

		TransportResponse response = null;
		try {
			response = TransportMachinery.get(tst);
			responseBody = response.entityToString();

		} catch (ClientProtocolException e) {
			e.printStackTrace();
		} catch (IOException e) {
			e.printStackTrace();
		} catch (URISyntaxException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		outMap.put(OUTPUT, responseBody);
		return outMap;
	}

	/**
	 * This method lists all applications created by a user by using account SID
	 * @param outMap
	 * @return
	 */
	private Map<String, String> list(Map<String, String> outMap) {
		final String account_view_url = TWILIO_URL + "Accounts/"
				+ args.get(ACCOUNT_SID) + "/Applications.json";

		Map<String, String> header = new HashMap<>();
		header.put(PROVIDER, args.get(PROVIDER));
		header.put(ACCOUNT_SID, args.get(ACCOUNT_SID));
		header.put(OAUTH_TOKEN, args.get(OAUTH_TOKEN));

		TransportTools tst = new TransportTools(account_view_url, null, header);
		String responseBody = null;

		TransportResponse response = null;
		try {
			response = TransportMachinery.get(tst);
			responseBody = response.entityToString();

		} catch (ClientProtocolException e) {
			e.printStackTrace();
		} catch (IOException e) {
			e.printStackTrace();
		} catch (URISyntaxException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		outMap.put(OUTPUT, responseBody);
		return outMap;
	}

	/**
	 * This method creates an application in twilio by using two 
	 * arguments are FriendlyName and ApiVersion.
	 * @param outMap
	 * @return
	 */
	private Map<String, String> create(Map<String, String> outMap) {
		final String account_view_url = TWILIO_URL + "Accounts/"
				+ args.get(ACCOUNT_SID) + "/Applications.json";

		Map<String, String> header = new HashMap<>();
		header.put(PROVIDER, args.get(PROVIDER));
		header.put(ACCOUNT_SID, args.get(ACCOUNT_SID));
		header.put(OAUTH_TOKEN, args.get(OAUTH_TOKEN));

		List<NameValuePair> appsList=new ArrayList<NameValuePair>();
		appsList.add(new BasicNameValuePair("FriendlyName", args.get(FRIENDLY_NAME)));
		appsList.add(new BasicNameValuePair("ApiVersion", args.get(API_VERSION)));

		TransportTools tst = new TransportTools(account_view_url, appsList, header);
		String responseBody = null;

		TransportResponse response = null;
		try {
			response = TransportMachinery.post(tst);
			responseBody = response.entityToString();

		} catch (ClientProtocolException e) {
			e.printStackTrace();
		} catch (IOException e) {
			e.printStackTrace();
		}
		outMap.put(OUTPUT, responseBody);
		return outMap;
	}

	/* (non-Javadoc)
	 * @see org.megam.deccanplato.provider.BusinessActivity#name()
	 */
	@Override
	public String name() {
		// TODO Auto-generated method stub
		return "application";
	}

}