/*******************************************************************************
* Copyright (c) 2014 EclipseSource and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* EclipseSource - initial API and implementation
******************************************************************************/
package com.eclipsesource.tabris.tracking.internal.analytics;
import static com.eclipsesource.tabris.internal.Clauses.when;
import static com.eclipsesource.tabris.internal.Clauses.whenNull;
import java.io.Serializable;
import java.util.Map;
import com.eclipsesource.tabris.tracking.internal.analytics.model.AdvancedConfiguration;
import com.eclipsesource.tabris.tracking.internal.analytics.model.AnalyticsConfiguration;
import com.eclipsesource.tabris.tracking.internal.analytics.model.hit.Hit;
import com.eclipsesource.tabris.tracking.internal.analytics.request.HttpRequest;
import com.eclipsesource.tabris.tracking.internal.analytics.request.AnalyticsRequest;
@SuppressWarnings("restriction")
public class GoogleAnalytics implements Serializable {
static final String ANALYTICS_URL = "http://www.google-analytics.com/collect";
private final String baseUrl;
private final AnalyticsConfiguration configuration;
private final String appName;
public GoogleAnalytics( String appName, AnalyticsConfiguration configuration ) {
this( ANALYTICS_URL, appName, configuration );
}
GoogleAnalytics( String baseUrl, String appName, AnalyticsConfiguration configuration ) {
validateArguments( configuration, appName );
this.baseUrl = baseUrl;
this.configuration = configuration;
this.appName = appName;
}
private void validateArguments( AnalyticsConfiguration configuration, String appName ) {
whenNull( configuration ).throwIllegalArgument( "BaseAnalyticsConfiguration must not be null." );
whenNull( appName ).throwIllegalArgument( "AppName must not be null." );
when( "".equals( appName ) ).throwIllegalArgument( "AppName must not be empty." );
}
public void track( Hit hit, String clientId ) {
track( hit, clientId, new AdvancedConfiguration() );
}
public void track( Hit hit, String clientId, AdvancedConfiguration advancedConfiguration ) {
validateArguments( hit, clientId, advancedConfiguration );
AnalyticsRequest requestAssembler = new AnalyticsRequest( appName, clientId, configuration, hit, advancedConfiguration );
Map<String, Object> request = requestAssembler.assemble();
HttpRequest httpRequest = HttpRequest.get( baseUrl, request, true );
verifyResponse( httpRequest );
}
private void validateArguments( Hit hit, String clientId, AdvancedConfiguration advancedConfiguration ) {
whenNull( clientId ).throwIllegalArgument( "ClientId must not be null." );
when( clientId.isEmpty() ).throwIllegalArgument( "ClientId must not be empty." );
whenNull( hit ).throwIllegalArgument( "Hit must not be null." );
whenNull( advancedConfiguration ).throwIllegalArgument( "Optional must not be null." );
}
private void verifyResponse( HttpRequest httpRequest ) {
if( httpRequest.code() != 200 ) {
throw new IllegalStateException( "Google Analytics GET request failed, HTTP status code: "
+ httpRequest.code()
+ "\n"
+ httpRequest.message() );
}
}
}