Introducing Spring Framework

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Chapter 17 ■ Be Social and Go Mobile Figure 17-13. Application Settings and the API, API Secret, Access Token, Access Token Secret keys with Read, Write and Direct Messages Figure 17-13 shows that all your keys have the access level required. This means that you can use the Twitter REST API to do several actions, such as posting a new status on Twitter. Let’s Tweet Because you have your keys now, it is time to start coding. First, you are going to create the twitter.properties file as shown in Listing 17-1. Listing 17-1. src/test/resources/twitter.properties twitter.apiKey=0OMWh8KM8CbcIiriPVhwB15Ul twitter.apiSecret=PeyKJUewMCWOUsEcJ0MWJHOrGxYUXJAmaFx2eiWEz0BNxYS0Qv twitter.accessToken=64771614-DyDKoisZpKYO6vIpLw6E4I872C1KZJS8vqjN1Mz0g twitter.accessTokenSecret=BsFCjZsmWtVJLnNJjLMzusAMbWtysSoE8TZjMO8J5a8lH 244
Chapter 17 ■ Be Social and Go Mobile In Listing 17-1, you need to add the four keys you created when you registered your Twitter application and when you generated your access token keys. These keys are needed in order to have a secure way to communicate between your application and Twitter’s REST API. Next, you need to create the XML configuration for your My Documents <strong>Spring</strong> application, as shown in Listing 17-2. Listing 17-2. mydocuments-context.xml Listing 17-2 shows the XML configuration that the <strong>Spring</strong> container will use in order to create the instances of your beans. First, you are creating a reference to the twitter.properties file. This reference will be a placeholder for your properties keys and their values. Then you are creating a “tweet” bean. This bean has a reference to the org.springframework.social.twitter.api.impl.TwitterTemplate class. This class has a constructor with four parameters: the consumerKey, the consumerSecret, the accessToken, and the accessTokenSecret. The values of these parameters will be the corresponding values of the placeholders you set (and that will match all the properties from the twitter.properties file). Next, you are going to create the class that will use the TwitterTemplate bean, the DocumentTweet class (shown in Listing 17-3). 245
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THE EXPERT’S VOICE ® IN SPRING
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Contents at a Glance About the Auth
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Introduction This book is an introd
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Part I Spring Framework Basics The
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Chapter 1 ■ Your First Spring App
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Chapter 2 ■ Working with Classes
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Chapter 3 Applying Different Config
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Chapter 3 ■ Applying Different Co
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Spring Stereotypes Chapter 3 ■ Ap
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Chapter 4 ■ Using Beans Scopes pu
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Chapter 4 ■ Using Beans Scopes Th
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Chapter 4 ■ Using Beans Scopes do
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Chapter 5 ■ Working with Collecti
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Chapter 6 ■ Using Resource Files
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Chapter 7 Testing Your Spring Appli
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Chapter 7 ■ Testing Your Spring A
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Chapter 8 Give Advice to Your Sprin
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Chapter 8 ■ Give Advice to Your S
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Chapter 9 ■ Adding Persistence to
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Chapter 10 ■ Showing Your Spring
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Chapter 11 ■ Integrating Your Spr
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Chapter 12 Exposing a REST API Nowa
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Chapter 12 ■ Exposing a REST API
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HTTP-DELETE Chapter 12 ■ Exposing
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Chapter 13 Adding E-mail and Schedu
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Appendix A ■ Installing Tools 6.
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Appendix A ■ Installing Tools Fig
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Appendix A ■ Installing Tools ■
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Stop MongoDB Server Appendix A ■
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Stop ActiveMQ Appendix A ■ Instal
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Installing RabbitMQ on Windows Appe
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Installing Spring XD on Windows App
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■ index • I I/O operations, 62
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■ index Spring application (cont.
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Introducing Spring Framework A Prim
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To my parents, Rocio Cruz and Felip
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■ Contents ■■Chapter 3: Apply
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■ Contents ■■Chapter 12: Expo
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■ Contents ■■Chapter 20: Your
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About the Author Felipe Gutierrez i
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Acknowledgments I would like to exp
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Introducing Spring Framework

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