CaseImpl.java

/**
 * “Copyright 2012 Megam Systems”
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 **/
package org.megam.deccanplato.provider.salesforce.crm.handler;

import static org.megam.deccanplato.provider.Constants.*;
import static org.megam.deccanplato.provider.salesforce.crm.Constants.*;

import java.io.IOException;
import java.net.URISyntaxException;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.HashMap;
import java.util.Map;

import org.apache.http.client.ClientProtocolException;
import org.apache.http.entity.ContentType;
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.Constants;
import org.megam.deccanplato.provider.core.BusinessActivityInfo;

import com.google.gson.Gson;
import com.google.gson.GsonBuilder;
/**
 * This class implements the business activity of Salesforcecrm Case method.
 * this class has four methods, to implement business functions, like create, update,
 * lisd and delete. 
 * 
 * @author pandiyaraja
 */
public class CaseImpl implements BusinessActivity{

	private static final String SALESFORCE_CASE_URL="/services/data/v25.0/sobjects/Case/";
	private Map<String, String> args;
	private BusinessActivityInfo bizInfo;
	
	@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=null;
		switch (bizInfo.getActivityFunction()) {
		case CREATE:
			outMap=create();
			break;
		case LIST:
			outMap=list();
			break;
		case UPDATE:
			outMap=update();
			break;
		case DELETE:
			outMap=delete();
			break;
		default:
			break;
		}
		return outMap;
	}

	/**
	 * this method creates an case in salesforce.com and returns that case id.
	 * This method gets input from a MAP(contains json data) and returns a MAp.
	 * @param outMap 
	 */
	private Map<String, String> create() {
		final String SALESFORCE_CREATE_CASE_URL = args.get(INSTANCE_URL)+SALESFORCE_CASE_URL;
		Map<String, String> outMap=new HashMap<>();
		Map<String,String> header=new HashMap<String,String>();
        header.put(S_AUTHORIZATION, S_OAUTH+args.get(ACCESS_TOKEN));
        Map<String, Object> userAttrMap = new HashMap<String, Object>();
        userAttrMap.put(S_SUBJECT, args.get(SUBJECT));
        userAttrMap.put(S_CONTACTID, args.get(CONTACT_ID));
        userAttrMap.put(S_ACCOUNTID, args.get(ACCOUNT_ID));
                      
        TransportTools tst=new TransportTools(SALESFORCE_CREATE_CASE_URL, null, header);
        Gson obj = new GsonBuilder().setPrettyPrinting().create();
        tst.setContentType(ContentType.APPLICATION_JSON, obj.toJson(userAttrMap));
        
        try {
			String responseBody=TransportMachinery.post(tst).entityToString();
			outMap.put(OUTPUT, responseBody);	
		
		} catch (ClientProtocolException e) {
			e.printStackTrace();
		} catch (IOException e) {
			e.printStackTrace();
		}
		return outMap;		
	}

	/**
	 * this method lists all case in salesforce.com and returns a list of all case details.
	 * This method gets input from a MAP(contains json data) and returns a MAp.
	 * @param outMap 
	 */
	private Map<String, String> list() {
		Map<String, String> outMap =new HashMap<String, String>();
		final String SALESFORCE_LIST_CASE_URL = args.get(INSTANCE_URL)
				+ "/services/data/v25.0/query/?q=SELECT+Subject,Id+FROM+Case";
		Map<String, String> header = new HashMap<String, String>();
		header.put(S_AUTHORIZATION, S_OAUTH + args.get(ACCESS_TOKEN));

		TransportTools tst = new TransportTools(SALESFORCE_LIST_CASE_URL, null,
				header);
		try {
			String responseBody = TransportMachinery.get(tst).entityToString();
			outMap.put(OUTPUT, responseBody);
		} catch (ClientProtocolException e) {
			e.printStackTrace();
		} catch (IOException e) {
			e.printStackTrace();
		} catch (URISyntaxException e) {
			e.printStackTrace();
		}
		return outMap;
	}

	/**
	 * This method updates a case in salesforce.com and returns a success message with updated case id.
	 * This method gets input from a MAP(contains json data) and returns a MAp.
	 * @param outMap 
	 */
	private Map<String, String> update() {
		Map<String, String> outMap=new HashMap<>();
		final String SALESFORCE_UPDATE_CASE_URL = args.get(INSTANCE_URL)+SALESFORCE_CASE_URL+args.get(ID);
		Map<String,String> header=new HashMap<String,String>();
        header.put(S_AUTHORIZATION, S_OAUTH+args.get(ACCESS_TOKEN));
        Map<String, Object> userAttrMap = new HashMap<String, Object>();        
        userAttrMap.put(S_SUBJECT, args.get(SUBJECT));
                
        TransportTools tst=new TransportTools(SALESFORCE_UPDATE_CASE_URL, null, header);
        Gson obj = new GsonBuilder().setPrettyPrinting().create();
        tst.setContentType(ContentType.APPLICATION_JSON, obj.toJson(userAttrMap));
               
        try {
			TransportMachinery.patch(tst);
			outMap.put(OUTPUT, UPDATE_STRING+args.get(ID));
		
		} catch (ClientProtocolException e) {
			e.printStackTrace();
		} catch (IOException e) {
			e.printStackTrace();
		}
		return outMap;
	}

	/**
	 * this method deletes an case in salesforce.com and returns a success message with deleted case id.
	 * This method gets input from a MAP(contains json data) and returns a MAp.
	 * @param outMap 
	 */
	private Map<String, String> delete() {
		Map<String, String> outMap=new HashMap<>();
		final String SALESFORCE_DELETE_CASE_URL = args.get(INSTANCE_URL)
				+SALESFORCE_CASE_URL+args.get(ID);
		Map<String, String> header = new HashMap<String, String>();
		header.put(S_AUTHORIZATION, S_OAUTH+ args.get(ACCESS_TOKEN));

		TransportTools tst = new TransportTools(SALESFORCE_DELETE_CASE_URL, null,
				header);
		try {
			TransportMachinery.delete(tst);
			outMap.put(OUTPUT, DELETE_STRING+args.get(ID));
		} catch (ClientProtocolException e) {
			e.printStackTrace();
		} catch (IOException e) {
			e.printStackTrace();
		}
		return outMap;
	}

	/* (non-Javadoc)
	 * @see org.megam.deccanplato.provider.BusinessActivity#name()
	 */
	@Override
	public String name() {
		return "case";
	}

}