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  • Book Overview & Buying Mastering Apache Camel
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Mastering Apache Camel

Mastering Apache Camel

By : Jean-Baptiste Onofré
3.2 (6)
Buy this Book
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Mastering Apache Camel

Mastering Apache Camel

3.2 (6)
By: Jean-Baptiste Onofré
Buy this Book

Overview of this book

This book is intended for all Camel users who want to get the best out of Camel, and who want to implement the most efficient integration logic using best practices.
Table of Contents (10 chapters)
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Preface
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Preface
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What this book covers
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What you need for this book
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Who this book is for
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Conventions
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Reader feedback
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Customer support
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1
1. Key Features
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1. Key Features
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What is Apache Camel?
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Components and bean support
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Predicates and expressions
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Data format and type conversion
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Easy configuration and URI
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Lightweight and different deployment topologies
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Quick prototyping and testing support
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Management and monitoring using JMX
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Active community
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Summary
2
2. Core Concepts
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2. Core Concepts
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Messages
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Exchange
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Camel context
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Processor
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Routes
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Channels
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Domain Specific Languages (DSL)
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Component, endpoint, producer, and consumer
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Data format
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Type converter
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Summary
3
3. Routing and Processors
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3. Routing and Processors
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What is a processor?
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An example of Camel routes containing processors
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Summary
4
4. Beans
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4. Beans
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Registry
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Creating CompositeRegistry
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Service activator
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Bean and method bindings
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Annotations
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Example – creating an OSGi bundle with a bean
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Building and deploying
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Summary
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5. Enterprise Integration Patterns
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5. Enterprise Integration Patterns
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EIP processors
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Messaging systems EIPs
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Messaging channels EIPs
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Message Construction EIPs
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Message Routing
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Message Transformation EIPs
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The Messaging Endpoints EIPs
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System Management EIPs
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Summary
6
6. Components and Endpoints
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6. Components and Endpoints
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Components
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Endpoint
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A custom component example
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Summary
7
7. Error Handling
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7. Error Handling
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Types of errors
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Camel error handlers
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Error handlers scopes
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Error handler features
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Try, Catch, and Finally
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Summary
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8. Testing
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8. Testing
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Unit test approach with the Camel test kit
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A complete example
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Additional annotations
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Mocking OSGi services
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Summary
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Index
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Index

Chapter 4. Beans

In the previous chapter, we saw one of the key, and very helpful, Camel components—the processor. However, a processor is tied to Camel as it extends the org.apache.camel.Processor interface.

This means that in order to reuse some existing beans in your application, you have to wrap it in a processor, meaning additional code to be maintained.

Fortunately, Camel has extensive support for POJO and beans, and bean model frameworks such as Spring or Blueprint.

In this chapter, we will see:

  • How Camel looks for beans in different registries and the different registry implementations
  • How Camel acts as a service activator to load the beans and bind the parameters
  • The Camel annotations that enables advanced binding
  • The Camel language annotations that allow the usage of code in parameter binding
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Tech Concepts
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Programming languages
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Mastering Apache Camel
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