/*******************************************************************************
 *  ============LICENSE_START=======================================================
 *  org.onap.dmaap
 *  ================================================================================
 *  Copyright © 2017 AT&T Intellectual Property. All rights reserved.
 *  ================================================================================
 *  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.
 *  ============LICENSE_END=========================================================
 *
 *  ECOMP is a trademark and service mark of AT&T Intellectual Property.
 *  
 *******************************************************************************/
package com.att.nsa.mr.client.impl;

import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.OutputStream;
import java.net.MalformedURLException;
import java.net.URI;
import java.net.URISyntaxException;
import java.util.Collection;
import java.util.HashMap;
import java.util.LinkedList;
import java.util.List;
import java.util.Map;
import java.util.Properties;
import java.util.concurrent.LinkedBlockingQueue;
import java.util.concurrent.ScheduledThreadPoolExecutor;
import java.util.concurrent.TimeUnit;
import java.util.zip.GZIPOutputStream;

import javax.ws.rs.core.MultivaluedMap;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import org.apache.http.HttpException;
import org.apache.http.HttpStatus;
import org.json.JSONArray;
import org.json.JSONObject;

import com.att.aft.dme2.api.DME2Client;
import com.att.aft.dme2.api.DME2Exception;
import com.att.nsa.mr.client.HostSelector;
import com.att.nsa.mr.client.MRBatchingPublisher;
import com.att.nsa.mr.client.response.MRPublisherResponse;
import com.att.nsa.mr.test.clients.ProtocolTypeConstants;

public class MRSimplerBatchPublisher extends MRBaseClient implements MRBatchingPublisher
{
	private static final Logger logger = LoggerFactory.getLogger(MRSimplerBatchPublisher.class);

	public static class Builder 
	{
		public Builder ()
		{
		}

		public Builder againstUrls ( Collection<String> baseUrls )
		{
			fUrls = baseUrls;
			return this;
		}

		public Builder onTopic ( String topic )
		{
			fTopic = topic;
			return this;
		}

		public Builder batchTo ( int maxBatchSize, long maxBatchAgeMs )
		{
			fMaxBatchSize = maxBatchSize;
			fMaxBatchAgeMs = maxBatchAgeMs;
			return this;
		}

		public Builder compress ( boolean compress )
		{
			fCompress = compress;
			return this;
		}
		
		public Builder httpThreadTime ( int threadOccuranceTime )
		{
			this.threadOccuranceTime = threadOccuranceTime;
			return this;
		}
		
		public Builder allowSelfSignedCertificates( boolean allowSelfSignedCerts )
		{
			fAllowSelfSignedCerts = allowSelfSignedCerts;
			return this;
		}
		
		public Builder withResponse ( boolean withResponse)
		{
			fWithResponse = withResponse;
			return this;
		}
		public MRSimplerBatchPublisher build ()
		{
			if(!fWithResponse) 
			{
				try {
					return new MRSimplerBatchPublisher ( fUrls, fTopic, fMaxBatchSize, fMaxBatchAgeMs, fCompress, fAllowSelfSignedCerts,threadOccuranceTime);
				} catch (MalformedURLException e) {
					throw new RuntimeException(e);
				}
			} else 
			{
				try {
					return new MRSimplerBatchPublisher ( fUrls, fTopic, fMaxBatchSize, fMaxBatchAgeMs, fCompress, fAllowSelfSignedCerts, fMaxBatchSize);
				} catch (MalformedURLException e) {
					throw new RuntimeException(e);
				}
			}
				
		}

		private Collection<String> fUrls;
		private String fTopic;
		private int fMaxBatchSize = 100;
		private long fMaxBatchAgeMs = 1000;
		private boolean fCompress = false;
		private int threadOccuranceTime = 50;
		private boolean fAllowSelfSignedCerts = false;
		private boolean fWithResponse = false;
		
	};

	@Override
	public int send ( String partition, String msg )
	{
		return send ( new message ( partition, msg ) );
	}
	@Override
	public int send ( String msg )
	{
		return send ( new message ( null, msg ) );
	}


	@Override
	public int send ( message msg )
	{
		final LinkedList<message> list = new LinkedList<message> ();
		list.add ( msg );
		return send ( list );
	}
	
	

	@Override
	public synchronized int send ( Collection<message> msgs )
	{
		if ( fClosed )
		{
			throw new IllegalStateException ( "The publisher was closed." );
		}
		
		for ( message userMsg : msgs )
		{
			fPending.add ( new TimestampedMessage ( userMsg ) );
		}
		return getPendingMessageCount ();
	}

	@Override
	public synchronized int getPendingMessageCount ()
	{
		return fPending.size ();
	}

	@Override
	public void close ()
	{
		try
		{
			final List<message> remains = close ( Long.MAX_VALUE, TimeUnit.MILLISECONDS );
			if ( remains.size() > 0 )
			{
				getLog().warn ( "Closing publisher with " + remains.size() + " messages unsent. "
					+ "Consider using MRBatchingPublisher.close( long timeout, TimeUnit timeoutUnits ) to recapture unsent messages on close." );
			}
		}
		catch ( InterruptedException e )
		{
			getLog().warn ( "Possible message loss. " + e.getMessage(), e );
		}
		catch ( IOException e )
		{
			getLog().warn ( "Possible message loss. " + e.getMessage(), e );
		}
	}

	@Override
	public List<message> close ( long time, TimeUnit unit ) throws IOException, InterruptedException
	{
		synchronized ( this )
		{
			fClosed = true;

			// stop the background sender
			fExec.setContinueExistingPeriodicTasksAfterShutdownPolicy ( false );
			fExec.setExecuteExistingDelayedTasksAfterShutdownPolicy ( false );
			fExec.shutdown ();
		}

		final long now = Clock.now ();
		final long waitInMs = TimeUnit.MILLISECONDS.convert ( time, unit );
		final long timeoutAtMs = now + waitInMs;

		while ( Clock.now() < timeoutAtMs && getPendingMessageCount() > 0 )
		{
			send ( true );
			Thread.sleep ( 250 );
		}

		synchronized ( this )
		{
			final LinkedList<message> result = new LinkedList<message> ();
			fPending.drainTo ( result );
			return result;
		}
	}

	/**
	 * Possibly send a batch to the MR server. This is called by the background thread
	 * and the close() method
	 * 
	 * @param force
	 */
	private synchronized void send ( boolean force )
	{
		if ( force || shouldSendNow () )
		{
			if ( !sendBatch () )
			{
				getLog().warn ( "Send failed, " + fPending.size() + " message to send." );

				// note the time for back-off
				fDontSendUntilMs = sfWaitAfterError + Clock.now ();
			}
		}
	}

	private synchronized boolean shouldSendNow ()
	{
		boolean shouldSend = false;
		if ( fPending.size () > 0 )
		{
			final long nowMs = Clock.now ();

			shouldSend = ( fPending.size() >= fMaxBatchSize );
			if ( !shouldSend )
			{
				final long sendAtMs = fPending.peek().timestamp + fMaxBatchAgeMs;
				shouldSend = sendAtMs <= nowMs;
			}

			// however, wait after an error
			shouldSend = shouldSend && nowMs >= fDontSendUntilMs; 
		}
		return shouldSend;
	}

	private synchronized boolean sendBatch ()
	{
		// it's possible for this call to be made with an empty list. in this case, just return.
		if ( fPending.size() < 1 )
		{
			return true;
		}

		final long nowMs = Clock.now ();
		
		host = this.fHostSelector.selectBaseHost();
		
		final String httpurl = MRConstants.makeUrl ( host, fTopic,props.getProperty("Protocol"),props.getProperty("partition") );
		

		try
		{
			/*final String contentType =
				fCompress ?
					MRFormat.CAMBRIA_ZIP.toString () :
					MRFormat.CAMBRIA.toString () 
			;*/
            
			final ByteArrayOutputStream baseStream = new ByteArrayOutputStream ();
			OutputStream os = baseStream;
			final String contentType = props.getProperty("contenttype");
			if(contentType.equalsIgnoreCase("application/json")){
				JSONArray jsonArray = new JSONArray();
				for ( TimestampedMessage m : fPending )
				{
					JSONObject jsonObject = new JSONObject(m.fMsg);
								
						jsonArray.put(jsonObject);
				
				}
				os.write (jsonArray.toString().getBytes() );	
				os.close();

				}else if (contentType.equalsIgnoreCase("text/plain")){
					for ( TimestampedMessage m : fPending )
					{										
						os.write ( m.fMsg.getBytes() );
						os.write ( '\n' );
					}
					os.close ();
				} else if (contentType.equalsIgnoreCase("application/cambria") ||  (contentType.equalsIgnoreCase("application/cambria-zip"))){
					if ( contentType.equalsIgnoreCase("application/cambria-zip") )
					{
						os = new GZIPOutputStream ( baseStream );
					}
					for ( TimestampedMessage m : fPending )
					{
						
						os.write ( ( "" + m.fPartition.length () ).getBytes() );
						os.write ( '.' );
						os.write ( ( "" + m.fMsg.length () ).getBytes() );
						os.write ( '.' );
						os.write ( m.fPartition.getBytes() );
						os.write ( m.fMsg.getBytes() );
						os.write ( '\n' );
					}
					os.close ();
				}else{
					for ( TimestampedMessage m : fPending )
					{										
						os.write ( m.fMsg.getBytes() );
					
					}
					os.close ();
				}
             
		

			final long startMs = Clock.now ();
			if (ProtocolTypeConstants.DME2.getValue().equalsIgnoreCase(protocolFlag)) {
				
			
				DME2Configue();
				
				Thread.sleep(5);
				getLog().info ( "sending " + fPending.size() + " msgs to " + url+subContextPath + ". Oldest: " + ( nowMs - fPending.peek().timestamp ) + " ms"  );
				sender.setPayload(os.toString());               
				String dmeResponse = sender.sendAndWait(5000L);
				
				final String logLine = "MR reply ok (" + (Clock.now() - startMs) + " ms):"
						+ dmeResponse.toString();
				getLog().info(logLine);
				fPending.clear();
				return true;
			} 
			
			if (ProtocolTypeConstants.AUTH_KEY.getValue().equalsIgnoreCase(protocolFlag)) {
				getLog().info ( "sending " + fPending.size() + " msgs to " + httpurl + ". Oldest: " + ( nowMs - fPending.peek().timestamp ) + " ms"  );
				final JSONObject result = postAuth(httpurl, baseStream.toByteArray(), contentType, authKey, authDate, username, password,protocolFlag);
				//System.out.println(result.getInt("status"));
				//Here we are checking for error response. If HTTP status
				//code is not within the http success response code
				//then we consider this as error and return false
				if(result.getInt("status") < 200 || result.getInt("status") > 299) {
					return false;
				}
				final String logLine = "MR reply ok (" + (Clock.now() - startMs) + " ms):" + result.toString();
				getLog().info(logLine);
				fPending.clear();
				return true;
			} 
			
			if (ProtocolTypeConstants.AAF_AUTH.getValue().equalsIgnoreCase(protocolFlag)) {
				getLog().info ( "sending " + fPending.size() + " msgs to " + httpurl + ". Oldest: " + ( nowMs - fPending.peek().timestamp ) + " ms"  );
				final JSONObject result = post(httpurl, baseStream.toByteArray(), contentType, username, password, protocolFlag);
				
				
				//System.out.println(result.getInt("status"));
				//Here we are checking for error response. If HTTP status
				//code is not within the http success response code
				//then we consider this as error and return false
				if(result.getInt("status") < 200 || result.getInt("status") > 299) {
					return false;
				}
				final String logLine = "MR reply ok (" + (Clock.now() - startMs) + " ms):" + result.toString();
				getLog().info(logLine);
				fPending.clear();
				return true;
			}
		}
		catch ( IllegalArgumentException x ) {
			getLog().warn ( x.getMessage(), x );
		} catch ( IOException x ) {
			getLog().warn ( x.getMessage(), x );
		} catch (HttpException x) {
			getLog().warn ( x.getMessage(), x );
		} catch (Exception x) {
			getLog().warn(x.getMessage(), x);
		}
		return false;
	}

	public synchronized MRPublisherResponse sendBatchWithResponse () 
	{
		// it's possible for this call to be made with an empty list. in this case, just return.
		if ( fPending.size() < 1 )
		{
			pubResponse.setResponseCode(String.valueOf(HttpStatus.SC_BAD_REQUEST));
			pubResponse.setResponseMessage("No Messages to send");
			return pubResponse;
		}

		final long nowMs = Clock.now ();
		
		host = this.fHostSelector.selectBaseHost();
		
		final String httpurl = MRConstants.makeUrl ( host, fTopic,props.getProperty("Protocol"),props.getProperty("partition") );
		OutputStream os=null;
		try
		{
			
			final ByteArrayOutputStream baseStream = new ByteArrayOutputStream ();
			 os = baseStream;
			final String contentType = props.getProperty("contenttype");
			if(contentType.equalsIgnoreCase("application/json")){
				JSONArray jsonArray = new JSONArray();
				for ( TimestampedMessage m : fPending )
				{
					JSONObject jsonObject = new JSONObject(m.fMsg);
								
						jsonArray.put(jsonObject);
				
				}
				os.write (jsonArray.toString().getBytes() );	
				}else if (contentType.equalsIgnoreCase("text/plain")){
					for ( TimestampedMessage m : fPending )
					{										
						os.write ( m.fMsg.getBytes() );
						os.write ( '\n' );
					}
				} else if (contentType.equalsIgnoreCase("application/cambria") ||  (contentType.equalsIgnoreCase("application/cambria-zip"))){
					if ( contentType.equalsIgnoreCase("application/cambria-zip") )
					{
						os = new GZIPOutputStream ( baseStream );
					}
					for ( TimestampedMessage m : fPending )
					{
						
						os.write ( ( "" + m.fPartition.length () ).getBytes() );
						os.write ( '.' );
						os.write ( ( "" + m.fMsg.length () ).getBytes() );
						os.write ( '.' );
						os.write ( m.fPartition.getBytes() );
						os.write ( m.fMsg.getBytes() );
						os.write ( '\n' );
					}
					os.close ();
				}else{
					for ( TimestampedMessage m : fPending )
					{										
						os.write ( m.fMsg.getBytes() );
					
					}
				}
             
		

			final long startMs = Clock.now ();
			if (ProtocolTypeConstants.DME2.getValue().equalsIgnoreCase(protocolFlag)) {
				
			
				try {
				DME2Configue();
				
				Thread.sleep(5);
				getLog().info ( "sending " + fPending.size() + " msgs to " + url+subContextPath + ". Oldest: " + ( nowMs - fPending.peek().timestamp ) + " ms"  );
				sender.setPayload(os.toString());               
						
				
				String dmeResponse = sender.sendAndWait(5000L);
				System.out.println("dmeres->"+dmeResponse);		
				
				
				pubResponse = createMRPublisherResponse(dmeResponse,pubResponse);
				
				if(Integer.valueOf(pubResponse.getResponseCode()) < 200 || Integer.valueOf(pubResponse.getResponseCode()) > 299) {
					
					return pubResponse;
				}
				final String logLine = String.valueOf((Clock.now() - startMs))
						+ dmeResponse.toString();
				getLog().info(logLine);
				fPending.clear();
				
				}
				catch (DME2Exception x) {
					getLog().warn(x.getMessage(), x);
					pubResponse.setResponseCode(x.getErrorCode());
					pubResponse.setResponseMessage(x.getErrorMessage());
				} catch (URISyntaxException x) {
					
					getLog().warn(x.getMessage(), x);
					pubResponse.setResponseCode(String.valueOf(HttpStatus.SC_BAD_REQUEST));
					pubResponse.setResponseMessage(x.getMessage());
				} catch (Exception x) {

					pubResponse.setResponseCode(String.valueOf(HttpStatus.SC_INTERNAL_SERVER_ERROR));
					pubResponse.setResponseMessage(x.getMessage());
                                        logger.error("exception: ", x);
					
				}
				
				return pubResponse;
			} 
			
			if (ProtocolTypeConstants.AUTH_KEY.getValue().equalsIgnoreCase(protocolFlag)) {
				getLog().info ( "sending " + fPending.size() + " msgs to " + httpurl + ". Oldest: " + ( nowMs - fPending.peek().timestamp ) + " ms"  );
				final String result = postAuthwithResponse(httpurl, baseStream.toByteArray(), contentType, authKey, authDate, username, password,protocolFlag);
				//System.out.println(result.getInt("status"));
				//Here we are checking for error response. If HTTP status
				//code is not within the http success response code
				//then we consider this as error and return false
				
				
				pubResponse = createMRPublisherResponse(result,pubResponse);
				
				if(Integer.valueOf(pubResponse.getResponseCode()) < 200 || Integer.valueOf(pubResponse.getResponseCode()) > 299) {
					
					return pubResponse;
				}
				
				final String logLine = "MR reply ok (" + (Clock.now() - startMs) + " ms):" + result.toString();
				getLog().info(logLine);
				fPending.clear();
				return pubResponse;
			} 
			
			if (ProtocolTypeConstants.AAF_AUTH.getValue().equalsIgnoreCase(protocolFlag)) {
				getLog().info ( "sending " + fPending.size() + " msgs to " + httpurl + ". Oldest: " + ( nowMs - fPending.peek().timestamp ) + " ms"  );
				final String result = postWithResponse(httpurl, baseStream.toByteArray(), contentType, username, password, protocolFlag);
				
				//System.out.println(result.getInt("status"));
				//Here we are checking for error response. If HTTP status
				//code is not within the http success response code
				//then we consider this as error and return false
				pubResponse = createMRPublisherResponse(result,pubResponse);
				
				if(Integer.valueOf(pubResponse.getResponseCode()) < 200 || Integer.valueOf(pubResponse.getResponseCode()) > 299) {
					
					return pubResponse;
				}
				
				final String logLine = String.valueOf((Clock.now() - startMs));
				getLog().info(logLine);
				fPending.clear();
				return pubResponse;
			}
		}
		catch ( IllegalArgumentException x ) {
			getLog().warn ( x.getMessage(), x );
			pubResponse.setResponseCode(String.valueOf(HttpStatus.SC_BAD_REQUEST));
			pubResponse.setResponseMessage(x.getMessage());
			
		} catch ( IOException x ) {
			getLog().warn ( x.getMessage(), x );
			pubResponse.setResponseCode(String.valueOf(HttpStatus.SC_INTERNAL_SERVER_ERROR));
			pubResponse.setResponseMessage(x.getMessage());
			
		} catch (HttpException x) {
			getLog().warn ( x.getMessage(), x );
			pubResponse.setResponseCode(String.valueOf(HttpStatus.SC_BAD_REQUEST));
			pubResponse.setResponseMessage(x.getMessage());
			
		} catch (Exception x) {
			getLog().warn(x.getMessage(), x);
			
			pubResponse.setResponseCode(String.valueOf(HttpStatus.SC_INTERNAL_SERVER_ERROR));
			pubResponse.setResponseMessage(x.getMessage());
			
		}
		
		finally {
			if (fPending.size()>0) {
				getLog().warn ( "Send failed, " + fPending.size() + " message to send." );
				pubResponse.setPendingMsgs(fPending.size());
			}
			if (os != null) {
				try {
				os.close();
				} catch (Exception x) {
					getLog().warn(x.getMessage(), x);
					pubResponse.setResponseCode(String.valueOf(HttpStatus.SC_INTERNAL_SERVER_ERROR));
					pubResponse.setResponseMessage("Error in closing Output Stream");
				}
				}
		}
		
		return pubResponse;
	}
	
private MRPublisherResponse createMRPublisherResponse(String reply, MRPublisherResponse mrPubResponse) {
		
	 if (reply.isEmpty()) 
	 {
		 
		 mrPubResponse.setResponseCode(String.valueOf(HttpStatus.SC_BAD_REQUEST));
		 mrPubResponse.setResponseMessage("Please verify the Producer properties");
	 }
	 else if(reply.startsWith("{"))
	 {
			JSONObject jObject = new JSONObject(reply);
			if(jObject.has("message") && jObject.has("status"))
			{
				String message = jObject.getString("message");
				if(null != message)
				{
					mrPubResponse.setResponseMessage(message);	
				}
				mrPubResponse.setResponseCode(Integer.toString(jObject.getInt("status")));
			}
			else
			 {
					mrPubResponse.setResponseCode(String.valueOf(HttpStatus.SC_OK));
					mrPubResponse.setResponseMessage(reply);	
			 }
     }
	 else if (reply.startsWith("<"))
	 {
		 String responseCode = getHTTPErrorResponseCode(reply);
		 if( responseCode.contains("403"))
			{
			 responseCode = "403";
			}	
		 mrPubResponse.setResponseCode(responseCode);
			mrPubResponse.setResponseMessage(getHTTPErrorResponseMessage(reply));	
	 }
	 
		return mrPubResponse;
	}

	private final String fTopic;
	private final int fMaxBatchSize;
	private final long fMaxBatchAgeMs;
	private final boolean fCompress;
	private int threadOccuranceTime;
	private boolean fClosed;
	private String username;
	private String password;
	private String host;
	
	//host selector
	private HostSelector fHostSelector = null;
	
	private final LinkedBlockingQueue<TimestampedMessage> fPending;
	private long fDontSendUntilMs;
	private final ScheduledThreadPoolExecutor fExec;

	private String latitude;
	private String longitude;
	private String version;
	private String serviceName;
	private String env;
	private String partner;
	private String routeOffer;
	private String subContextPath;
	private String protocol;
	private String methodType;
	private String url;
	private String dmeuser;
	private String dmepassword;
	private String contentType;
	private static final long sfWaitAfterError = 10000;
	private HashMap<String, String> DMETimeOuts;
	private DME2Client sender;
	public String protocolFlag = ProtocolTypeConstants.DME2.getValue();
	public String producerFilePath;
	private String authKey;
	private String authDate;
	private String handlers;
	private Properties props;
	public static String routerFilePath;
	protected static final Map<String, String> headers=new HashMap<String, String>();
	public static MultivaluedMap<String, Object> headersMap;
	
	
	private MRPublisherResponse pubResponse;
	
	public MRPublisherResponse getPubResponse() {
		return pubResponse;
	}
	public void setPubResponse(MRPublisherResponse pubResponse) {
		this.pubResponse = pubResponse;
	}
	
	public static String getRouterFilePath() {
		return routerFilePath;
	}

	public static void setRouterFilePath(String routerFilePath) {
		MRSimplerBatchPublisher.routerFilePath = routerFilePath;
	}

	public Properties getProps() {
		return props;
	}

	public void setProps(Properties props) {
		this.props = props;
	}

	public String getProducerFilePath() {
		return producerFilePath;
	}

	public void setProducerFilePath(String producerFilePath) {
		this.producerFilePath = producerFilePath;
	}

	public String getProtocolFlag() {
		return protocolFlag;
	}

	public void setProtocolFlag(String protocolFlag) {
		this.protocolFlag = protocolFlag;
	}
	
	
	private void DME2Configue() throws Exception {
		try {
			
		/*	FileReader reader = new FileReader(new File (producerFilePath));
			Properties props = new Properties();		
			props.load(reader);*/
			latitude = props.getProperty("Latitude");
			longitude = props.getProperty("Longitude");
			version = props.getProperty("Version");
			serviceName = props.getProperty("ServiceName");
			env = props.getProperty("Environment");
			partner = props.getProperty("Partner");
			routeOffer = props.getProperty("routeOffer");
			subContextPath = props.getProperty("SubContextPath")+fTopic;
			/*if(props.getProperty("partition")!=null && !props.getProperty("partition").equalsIgnoreCase("")){
				subContextPath=subContextPath+"?partitionKey="+props.getProperty("partition");
			}*/			
			protocol = props.getProperty("Protocol");
			methodType = props.getProperty("MethodType");
			dmeuser = props.getProperty("username");
			dmepassword = props.getProperty("password");
			contentType = props.getProperty("contenttype");
			handlers = props.getProperty("sessionstickinessrequired");
			routerFilePath= props.getProperty("DME2preferredRouterFilePath");
			
			/**
			 * Changes to DME2Client url to use Partner for auto failover between data centers
			 * When Partner value is not provided use the routeOffer value for auto failover within a cluster 
			 */
			

			String partitionKey = props.getProperty("partition");
			
			if (partner != null && !partner.isEmpty() ) 
			{ 
				url = protocol + "://"+serviceName+"?version="+version+"&envContext="+env+"&partner="+partner; 
                if(partitionKey!=null && !partitionKey.equalsIgnoreCase("")){
                    url = url + "&partitionKey=" + partitionKey;
                }
			}
			else if (routeOffer!=null && !routeOffer.isEmpty()) 
			{ 
				url = protocol + "://"+serviceName+"?version="+version+"&envContext="+env+"&routeoffer="+routeOffer;
                if(partitionKey!=null && !partitionKey.equalsIgnoreCase("")){
                    url = url + "&partitionKey=" + partitionKey;
                }
			}
			 
			DMETimeOuts = new HashMap<String, String>();
			DMETimeOuts.put("AFT_DME2_EP_READ_TIMEOUT_MS", props.getProperty("AFT_DME2_EP_READ_TIMEOUT_MS"));
			DMETimeOuts.put("AFT_DME2_ROUNDTRIP_TIMEOUT_MS", props.getProperty("AFT_DME2_ROUNDTRIP_TIMEOUT_MS"));
			DMETimeOuts.put("AFT_DME2_EP_CONN_TIMEOUT", props.getProperty("AFT_DME2_EP_CONN_TIMEOUT"));
			DMETimeOuts.put("Content-Type", contentType);
			System.setProperty("AFT_LATITUDE", latitude);
			System.setProperty("AFT_LONGITUDE", longitude);
			System.setProperty("AFT_ENVIRONMENT",props.getProperty("AFT_ENVIRONMENT"));
			//System.setProperty("DME2.DEBUG", "true");
		//	System.setProperty("AFT_DME2_HTTP_EXCHANGE_TRACE_ON", "true");
			//System.out.println("XXXXXX"+url);
			
			//SSL changes
			System.setProperty("AFT_DME2_CLIENT_SSL_INCLUDE_PROTOCOLS",
					"SSLv3,TLSv1,TLSv1.1");
			System.setProperty("AFT_DME2_CLIENT_IGNORE_SSL_CONFIG", "false");
			System.setProperty("AFT_DME2_CLIENT_KEYSTORE_PASSWORD", "changeit");
			
			//SSL changes
			
			sender = new DME2Client(new URI(url), 5000L);
				
			sender.setAllowAllHttpReturnCodes(true);
			sender.setMethod(methodType);
			sender.setSubContext(subContextPath);	
			sender.setCredentials(dmeuser, dmepassword);
			sender.setHeaders(DMETimeOuts);
			if(handlers.equalsIgnoreCase("yes")){
				sender.addHeader("AFT_DME2_EXCHANGE_REQUEST_HANDLERS", props.getProperty("AFT_DME2_EXCHANGE_REQUEST_HANDLERS"));
				sender.addHeader("AFT_DME2_EXCHANGE_REPLY_HANDLERS", props.getProperty("AFT_DME2_EXCHANGE_REPLY_HANDLERS"));
				sender.addHeader("AFT_DME2_REQ_TRACE_ON", props.getProperty("AFT_DME2_REQ_TRACE_ON"));
				}else{
					sender.addHeader("AFT_DME2_EXCHANGE_REPLY_HANDLERS", "com.att.nsa.mr.dme.client.HeaderReplyHandler");
				}
		} catch (DME2Exception x) {
			getLog().warn(x.getMessage(), x);
			throw new DME2Exception(x.getErrorCode(),x.getErrorMessage());
		} catch (URISyntaxException x) {
			
			getLog().warn(x.getMessage(), x);
			throw new URISyntaxException(url,x.getMessage());
		} catch (Exception x) {

			getLog().warn(x.getMessage(), x);
			throw new Exception(x.getMessage());
		}
	}
	
	private MRSimplerBatchPublisher ( Collection<String> hosts, String topic, int maxBatchSize, long maxBatchAgeMs, boolean compress) throws MalformedURLException
	{
		super ( hosts );

		if ( topic == null || topic.length() < 1 )
		{
			throw new IllegalArgumentException ( "A topic must be provided." );
		}
		
		fHostSelector = new HostSelector(hosts, null);
		fClosed = false;
		fTopic = topic;
		fMaxBatchSize = maxBatchSize;
		fMaxBatchAgeMs = maxBatchAgeMs;
		fCompress = compress;

		fPending = new LinkedBlockingQueue<TimestampedMessage> ();
		fDontSendUntilMs = 0;
		fExec = new ScheduledThreadPoolExecutor ( 1 );
		pubResponse = new MRPublisherResponse();
		
	}
	
	private MRSimplerBatchPublisher ( Collection<String> hosts, String topic, int maxBatchSize, long maxBatchAgeMs, boolean compress, boolean allowSelfSignedCerts, int httpThreadOccurnace ) throws MalformedURLException
	{
		super ( hosts );

		if ( topic == null || topic.length() < 1 )
		{
			throw new IllegalArgumentException ( "A topic must be provided." );
		}
		
		fHostSelector = new HostSelector(hosts, null);
		fClosed = false;
		fTopic = topic;
		fMaxBatchSize = maxBatchSize;
		fMaxBatchAgeMs = maxBatchAgeMs;
		fCompress = compress;
		threadOccuranceTime=httpThreadOccurnace;
		fPending = new LinkedBlockingQueue<TimestampedMessage> ();
		fDontSendUntilMs = 0;
		fExec = new ScheduledThreadPoolExecutor ( 1 );
		fExec.scheduleAtFixedRate ( new Runnable()
		{
			@Override
			public void run ()
			{
				send ( false );
			}
		}, 100, threadOccuranceTime, TimeUnit.MILLISECONDS );
	}

	private static class TimestampedMessage extends message
	{
		public TimestampedMessage ( message m )
		{
			super ( m );
			timestamp = Clock.now();
		}
		public final long timestamp;
	}

	public String getUsername() {
		return username;
	}

	public void setUsername(String username) {
		this.username = username;
	}

	public String getPassword() {
		return password;
	}

	public void setPassword(String password) {
		this.password = password;
	}

	public String getHost() {
		return host;
	}

	public void setHost(String host) {
		this.host = host;
	}

	public String getContentType() {
		return contentType;
	}

	public void setContentType(String contentType) {
		this.contentType = contentType;
	}

	public String getAuthKey() {
		return authKey;
	}

	public void setAuthKey(String authKey) {
		this.authKey = authKey;
	}

	public String getAuthDate() {
		return authDate;
	}

	public void setAuthDate(String authDate) {
		this.authDate = authDate;
	}
	
}