Clojure Recipes is an example-driven “code cookbook” for this increasingly popular language. Julian Gamble focuses on practical and complete examples that illuminate Clojure’s key features and show step-by-step how to solve real-world problems.

Table of Contents:
Preface xv About the Author xix Chapter 1: Starting Your Project with Leiningen 1 Assumptions 1 Benefits 1 The Recipe–Windows 1 The Recipe–Mac 3 Conclusion 4 Postscript–Setting Up a JDK on a Mac 4 Postscript–Setting Up a JDK on Windows 6 Chapter 2: Packaging Clojure for a Java EE Environment 11 Assumptions 11 Benefits 11 The Recipe–Common 11 Conclusion 14 Postscript–Setting Up Tomcat on a Mac 14 Postscript–Setting Up Tomcat on Windows 16 Chapter 3: Creating a REST Server in Compojure 19 Assumptions 19 Benefits 19 The Recipe–Code 19 Testing the Solution 20 Notes on the Recipe 22 Conclusion 23 Chapter 4: Creating a REST Server with Liberator 25 Assumptions 25 Benefits 25 The Recipe–Code 25 Testing the Solution 28 Notes on the Recipe 29 Context 32 Conclusion 33 Chapter 5: A REST Client in ClojureScript 35 Assumptions 35 Benefits 35 The Recipe–Code 36 Testing the Solution 38 Notes on the Recipe 39 Conclusion 40 Chapter 6: A Simple JSON Server 41 Assumptions 41 Benefits 41 The Recipe–Code 41 Testing the Solution 44 Notes on the Recipe 45 Conclusion 47 Chapter 7: A Simple Server Using the Pedestal Framework 49 Assumptions 49 Benefits 49 Context 49 The Recipe–Code 50 Testing the Solution 52 Notes on the Recipe 53 Conclusion 54 Chapter 8: A Stock Ticker on the Pedestal Framework Server 55 Assumptions 55 Benefits 55 The Recipe–Code 55 Testing the Solution 60 Notes on the Recipe 62 Conclusion 67 Chapter 9: Simplifying Logging with a Macro 69 Assumptions 69 Benefits 69 The Recipe–Code 70 Testing the Solution 72 Notes on the Recipe 74 Conclusion 76 Chapter 10: Extending the Compiler with a Macro 79 Assumptions 79 Benefits 79 The Recipe–Code 79 Testing the Solution 81 Notes on the Recipe 82 Conclusion 85 Chapter 11: Simplifying Datomic Syntax by Writing a DSL 87 Assumptions 87 Benefits 87 The Recipe–Code 88 Testing the Solution 97 Notes on the Recipe 103 Conclusion 106 Chapter 12: Reading the SASS DSL and Generating CSS with Clojure Zippers 107 Assumptions 107 Benefits 107 Outline–Features of SASS 107 The Recipe–Code 109 Testing the Solution 121 Notes on the Recipe 122 Conclusion 133 Chapter 13: Introduction to Cascalog 135 Assumptions 135 Benefits 135 The Recipe–Code 135 Testing the Solution 137 Notes on the Recipe 139 Conclusion 141 Chapter 14: Cascalog and Hadoop 143 Assumptions 143 Benefits 143 The Recipe–Code 143 Testing the Solution 145 Conclusion 146 Postscript–Setting Up Hadoop on a Mac 146 Postscript–Setting Up Hadoop on a Windows Machine 147 Chapter 15: Loading a Data File into Cascalog 149 Assumptions 149 Benefits 149 The Recipe–Code 149 Testing the Solution 150 Conclusion 151 Chapter 16: Writing Out a Data File with Cascalog 153 Assumptions 153 Benefits 153 The Recipe–Code 153 Testing the Solution 154 Notes on the Recipe 155 Conclusion 155 Chapter 17: Cascalog and Structured Data 157 Assumptions 157 Benefits 157 The Recipe–Code 157 Testing the Recipe 159 Notes on the Solution 160 Conclusion 161 Chapter 18: Loading Custom Data Formats into Cascalog 163 Assumptions 163 Benefits 163 The Recipe–Code 163 Testing the Recipe 175 Notes on the Solution 176 Conclusion 177 Chapter 19: Connecting to Datomic from Your Application 179 Assumptions 179 Benefits 179 The Recipe–Code 179 Conclusion 188 Chapter 20: Getting Started with Storm 189 Assumptions 189 Benefits 189 The Recipe–Code 190 Testing the Recipe 192 Notes on the Recipe 192 Conclusion 195 Chapter 21: Getting Started with JMS in Clojure 197 Assumptions 197 Benefits 197 The Recipe–Code 197 Testing the Recipe 200 Notes on the Recipe 200 Conclusion 201 Chapter 22: Integrating Storm and JMS 203 Assumptions 203 Benefits 203 The Recipe–Code 203 Testing the Recipe 213 Notes on the Recipe 213 Conclusion 215 Chapter 23: A CSV Reader 217 Assumptions 217 Benefits 217 The Recipe–Code 217 Testing the Solution 219 Notes on the Recipe 219 Conclusion 220 Chapter 24: Detecting Errors with a Log Monitoring Application 221 Assumptions 221 Benefits 221 The Recipe–Code 221 Testing the Solution 223 Notes on the Recipe 223 Conclusion 224 Chapter 25: Bundling Clojure as an Ant Plug-in 225 Assumptions 225 Benefits 225 The Recipe–Code 225 Testing the Recipe 227 Notes on the Recipe 228 Conclusion 228 Postscript–Installing Ant on a Mac 229 Chapter 26: Bundling Clojure as a Maven Plug-in 231 Assumptions 231 Benefits 231 The Recipe–Code 231 Testing the Recipe 239 Notes on the Recipe 240 Conclusion 240 Chapter 27: Integrating Clojure by Scripting Web Tests 241 Assumptions 241 Benefits 241 The Recipe–Code 241 Testing the Recipe 242 Notes on the Recipe 243 Conclusion 243 Chapter 28: Monitoring Availability with a Website Status Checker 245 Assumptions 245 Benefits 245 The Recipe–Code 246 Testing the Recipe 247 Notes on the Recipe 249 Conclusion 249 Appendix A: Debugging Macros 251 Assumptions 251 Benefits 251 The Recipe 251 Conclusion 259 Index 261