APACHE CAMEL IN ACTION PDF
To the Apache Camel community. May this book be a helpful companion on your journeys with Camel. Licensed to Ian White. the Camel in Action book, presently serving as the Camel bible--it has a free ( pdf), which is highly recommended to read to get more familiar with Camel. 7. From the Foreword by James Strachan, Creator of Apache Camel. GET MORE WITH Camel in Action, Second Edition is the most complete Camel book on the market. Written by core .. eBook $55,99 pdf + ePub + kindle + liveBook includes .
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James Strachan, Cofounder of Apache Camel Camel in Action is a Camel tutorial full of small examples showing how to work with the integration patterns. Bonus chapters Available at myavr.info -second-edition Apache Camel is such an integration framework. In this book. Available at myavr.info we'll focus on using Apache Camel and Eclipse Kura to greatly simplify providing production- To download their free eBook in PDF, ePub, and Kindle formats.
Now, being naive again, we look up the Wikipedia article on file URI schemes. Again, no exception, no warning messages. Do we need a third slash, i. Maybe double backslashes in file paths are not properly parsed? This is getting frustrating. And finally, there exists this documentation on the File2 component , which you need to read very carefully to figure out the proper syntax. If you look around a little you may even find the complete book Apache Camel in Action on the internet, nevertheless things stay obscure.
Working solution Fast forward. The trick is to specify the filename as a separate parameter added at the end of the directory path. Once read, create a new folder.
If the output file does not yet exist, create a new one in the output directory. Otherwise, overwrite the existing one. Write the output file.
The good news is, this approach even works for non-text files. Handling distinct input and output formats This is all good as long as you only intend to process files of the same input and output type. But what if your input file type is different from the target output file type? Neither the core nor the File2 component of Apache Camel provide direct support for such cases. There are different approaches to solve this, but basically all of them come down to file type conversion. Class org.
Camel's architecture 1. Architecture from 10, feet. Your first Camel ride, revisited. Routing with Camel 2. Introducing Rider Auto Parts. Understanding endpoints 2. Consuming from an FTP endpoint. Creating routes in Java 2. Using the RouteBuilder. Defining routes in XML 2. Bean injection and Spring. Endpoints revisited 2. Sending to dynamic endpoints. Using property placeholders in endpoint URIs.
Using raw values in endpoint URIs. Referencing registry beans in endpoint URIs. Routing and EIPs 2. Using a content-based router. Transforming 3. Data transformation overview 3. Data transformation with Camel.
Transforming data using EIPs and Java 3. Transforming XML 3. Transforming XML with object marshaling. Transforming with data formats 3.
Data formats provided with Camel. Using Camel's CSV data format.
Part 1 First steps
Using Camel's Bindy data format. Configuring Camel data formats. Transforming with templates 3.
Using Apache Velocity. About Camel type converters 3. Writing your own type converter. Using beans with Camel 4. Using beans the hard way and the easy way 4. Invoking a bean from pure Java. Camel's bean registries 4. Selecting bean methods 4. How Camel selects bean methods. Camel's method-selection algorithm. Some method-selection examples. Potential method-selection problems.
Method selection using type matching. Bean parameter binding 4. Binding with multiple parameters. Binding using Camel annotations.
Binding using Camel language annotations. Parameter binding using method name with signature. Using beans as predicates and expressions 4. Using beans as predicates in routes. Using beans as expressions in routes. Enterprise integration patterns 5. Introducing enterprise integration patterns 5.
The Aggregator EIP 5. Introducing the Aggregator EIP. Completion conditions for the Aggregator.
Ibsen Claus, Anstey Jonathan. Camel in Action Mini book
Using persistence with the Aggregator. Using recovery with the Aggregator. The Splitter EIP 5. Using the Splitter. When errors occur during splitting.
Using a bean to compute the routing slip header. Using an Expression as the routing slip. Using RoutingSlip annotation.
Using the Dynamic Router. Using the DynamicRouter annotation. Using the failover load balancer. Using components 6.
Overview of Camel components 6. Manually adding components. Working with files File and FTP components 6. Reading and writing files with the File component. Accessing remote files with the FTP component. Asynchronous messaging JMS component 6. Sending and receiving messages. Networking Netty4 component 6. Using Netty for network programming. Accessing data with the JDBC component. Persisting objects with the JPA component. Synchronous messaging with the Direct and Direct-VM components.
Automating tasks Scheduler and Quartz2 components 6. Using the Scheduler component. Microservices 7. Microservices Overview 7. Microservices Characteristics. Running Camel microservices 7. Standalone Camel as microservice. WildFly Swarm with Camel as microservice. Spring Boot with Camel as microservice. Using Vert. Using Camel together with Vert. Calling other microservices 7.
Recommendation prototype. Rules and Inventory prototypes. Putting all the microservices together. Designing for failures 7. Using Retry Pattern to handle failures. Using Retry Pattern without Camel. Using Circuit Breaker to handle failures. Calling other microservice with fault tolerance. Using Camel Hystrix with Spring Boot. Developing Camel projects 8. Managing projects with Maven 8. Using Camel Maven archetypes. Using Camel in Eclipse 8.
Starting a new Camel project.
Reading from and writing to files in Apache Camel
Debugging an issue with your new Camel project. Developing custom components 8. Setting up a new Camel component. Diving into the implementation. Generating components with the API component framework 8. Generating the skeleton API project. Configuring the camel-api-component-maven-plugin. Advanced configuration options. Implementing remaining functionality.
Developing data formats 8. Generating the skeleton data format project. Writing the custom data format. Developing interceptors 8. Creating an InterceptStrategy. Testing 9. Introducing the Camel Test Kit 9. The Camel JUnit extensions. Using camel-test to test Java Camel routes.
Unit testing an existing RouteBuilder class. Camel testing with Spring XML. Camel testing with Spring Java Config. Camel testing with Spring Boot.
Using the Mock component 9. Introducing the Mock component. Unit testing with the Mock component. Verifying that the correct message arrived. Testing the ordering of messages. Using mocks to simulate real components. Simulating errors 9. Simulating errors using a processor. Simulating errors using mocks.
Simulating errors using interceptors. Using adviceWith to add interceptors to an existing route. Using adviceWith to manipulate routes for testing. Using weave with advice with to amend routes.
Camel integration testing 9.
Integration testing. Using third party testing libraries 9. Using Arquillian to test Camel applications.
Using Pax-Exam to test Camel applications. Using Citrus Framework to test Camel applications. Restful services Using camel-reslet with REST services. Using camel-cxfrs with REST services.
A quick example of the Rest DSL. Supported components for the Rest DSL. API Documentation using Swagger Documenting Rest DSL services. Documenting input, output and error codes.
Configuring API documentation. Web services Configuring CXF.
Using a contract-first approach. Error Handling Understanding error handling Error handlers in Camel The default error handler.
The dead letter channel error handler. The transaction error handler. Features of the error handlers.
Using error handlers with redelivery An error-handling use case. Using the DefaultErrorHandler with redelivery. Reusing context scoped error handlers. Using exception policies Understanding how onException catches exceptions. Understanding how onException works with redelivery. Understanding how onException can handle exceptions. New exception while handling exception. Implementing an error handler solution. Other error-handling features Using onWhen.
Transactions and Idempotency Why use transactions? The Rider Auto Parts partner integration application. Setting up the JMS broker and the database. The story of the lost message. Transaction basics Using local transactions. Transaction starting from a database resource.
Using transactions with multiple routes. Using different transaction propagations. Returning a custom response when a transaction fails. Compensating for unsupported transactions Introducing UnitOfWork.
Using Synchronization callbacks. Idempotency Idempotent Consumer EIP. Clustered idempotent repository.Do you need a proven integration framework to bring it all together seamlessly? Using the DefaultErrorHandler with redelivery As shown in Figure 1. There are different approaches to solve this, but basically all of them come down to file type conversion. Using camel-cxfrs with REST services WildFly deployment.
Custom exception handling
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