Overview (Camel :: Core 2.21.0 API)

Camel API
Package	Description
org.apache.camel	The core Camel API.

Fluent API (DSL) for building EIP rules
Package	Description
org.apache.camel.builder	The Camel Domain Specific Language for creating Routes, Predicates, Expressions and Error Handlers.
org.apache.camel.builder.xml	Support for XPath based Expressions and Predicates as well as an XSLT processor

EIP model
Package	Description
org.apache.camel.model	The JAXB POJOs for the XML Configuration of the routing rules.
org.apache.camel.model.cloud	The JAXB POJOs for the remote service call DSL
org.apache.camel.model.config	The JAXB POJOs for various configurations for the XML Configuration of the routing rules.
org.apache.camel.model.dataformat	The JAXB POJOs for the Data Formats used to marshal and unmarshal objects to and from streams inside components
org.apache.camel.model.language	The JAXB POJOs for the Expression and Predicate plugins for the XML Configuration.
org.apache.camel.model.loadbalancer	The JAXB POJOs for the Load Balancer EIP pattern for the XML Configuration.
org.apache.camel.model.rest	The JAXB POJOs for the REST DSL
org.apache.camel.model.transformer	The JAXB POJOs for the Transformers used to transform message contents according to declared data types inside components
org.apache.camel.model.validator	The JAXB POJOs for the Transformers used to transform message contents according to declared data types inside components

Camel Components
Package	Description
org.apache.camel.component	Base classes for Components
org.apache.camel.component.bean	The Bean Component which will look up the bean name in the Spring ApplicationContext and use that to dispatch messages to a POJO
org.apache.camel.component.beanclass	The Class Component for invoking Java classes from Camel
org.apache.camel.component.binding	The Binding Component which is a way of wrapping an Endpoint in a contract; such as a Data Format, a Content Enricher or validation step.
org.apache.camel.component.browse	The Browse Component which is a simple in memory component which maintains a list of all message exchanges which can be useful for debugging, tooling or visualistion.
org.apache.camel.component.controlbus	The Control Bus Component which allows to manage Camel at runtime.
org.apache.camel.component.dataformat	The DataFormat Component allows to use Data Format as a Camel Component.
org.apache.camel.component.dataset	A DataSet Endpoint for testing of endpoints using defined DataSets
org.apache.camel.component.direct	The Direct Component which synchronously invokes all the consumers when a producer sends an exchange to the endpoint.
org.apache.camel.component.directvm	The Direct VM Component which synchronously invokes the consumer when a producer sends an exchange to the endpoint.
org.apache.camel.component.extension	Component extension
org.apache.camel.component.extension.metadata	MetaData component extension
org.apache.camel.component.extension.verifier	Verifier component extension
org.apache.camel.component.file	The File Component for working with file systems.
org.apache.camel.component.file.cluster
org.apache.camel.component.file.strategy	Strategies for the File Component.
org.apache.camel.component.language	The Language Component to send messages to language endpoints executing the script.
org.apache.camel.component.log	The Log Component uses Jakarta Commons Logging to log message exchanges.
org.apache.camel.component.mock	The Mock Component which is used for testing of routing and mediation rules.
org.apache.camel.component.properties	The Properties Component for lookup of property placeholders for endpoint URI.
org.apache.camel.component.ref	The Ref Component for lookup of existing endpoints bound in the `Registry`.
org.apache.camel.component.rest	The REST Component for defining REST services, supporting the Camel Rest DSL.
org.apache.camel.component.saga
org.apache.camel.component.scheduler	The Scheduler Component to schedule routes
org.apache.camel.component.seda	The SEDA Component for asynchronous SEDA exchanges on a BlockingQueue within a single CamelContext
org.apache.camel.component.stub	The Stub Component which is used for stubbing endpoints.
org.apache.camel.component.test	A Test Endpoint for Pattern Based Testing
org.apache.camel.component.timer	The Timer Component provides a simple timer
org.apache.camel.component.validator	The Validator Component for validating XML against some schema
org.apache.camel.component.vm	The VM Component for asynchronous SEDA exchanges on a BlockingQueue within the current JVM; so across CamelContext instances.
org.apache.camel.component.xslt	The XSLT Component for transforming messages with XSLT

Language APIs and plugins for Expressions and Predicates
Package	Description
org.apache.camel.language	Camel language support such as Bean and Simple language.
org.apache.camel.language.bean	Camel Bean language.
org.apache.camel.language.constant	Camel Constant language.
org.apache.camel.language.header	Camel Header language.
org.apache.camel.language.property	Camel Exchange Property language.
org.apache.camel.language.ref	Camel Ref language.
org.apache.camel.language.simple	Camel Simple language.
org.apache.camel.language.simple.ast	AST for the Camel Simple language.
org.apache.camel.language.simple.types	Types for the Camel Simple language.
org.apache.camel.language.tokenizer	Camel Tokenizer language.
org.apache.camel.language.xpath	Camel XPath language support.

Processors to implement the Enterprise Integration Patterns
Package	Description
org.apache.camel.processor	A collection of Processor implementations which are used to implement the Enterprise Integration Patterns
org.apache.camel.processor.aggregate	Helper classes for the Aggregator pattern.
org.apache.camel.processor.binding	Helper classes for the Binding concept on Endpoints.
org.apache.camel.processor.exceptionpolicy	Exception policy startegies for Dead Letter Channel pattern.
org.apache.camel.processor.idempotent	An implementation of the Idempotent Consumer pattern.
org.apache.camel.processor.interceptor	Helper classes for interceptors.
org.apache.camel.processor.loadbalancer	Various load balancer processors
org.apache.camel.processor.resequencer	Helper classes for the Resequencer pattern.
org.apache.camel.processor.saga
org.apache.camel.processor.validation	Performs XML validation using JAXP for validating against XSD or RelaxNG

Strategy APIs for implementors extending Camel
Package	Description
org.apache.camel.spi	Service Provider Interfaces used internally by the Camel runtime which are plugin strategies.

Support APIs for implementors
Package	Description
org.apache.camel.support	Base classes that help to implement the camel API and are expected to be extended by the user

Management (JMX) API
Package	Description
org.apache.camel.api.management.mbean	Camel management MBeans API
org.apache.camel.management	Camel management
org.apache.camel.management.event	Camel management events
org.apache.camel.management.mbean	Camel management JMX MBeans

Camel Runtime
Package	Description
org.apache.camel.impl	Default implementation classes for Camel Core
org.apache.camel.impl.cloud
org.apache.camel.impl.cluster	Base classes and Implementation for Camel Cluster
org.apache.camel.impl.converter	Default implementation classes the Type Conversion Strategies
org.apache.camel.impl.health	Camel Health Check implementations.
org.apache.camel.impl.osgi	Camel OSGi Activator.
org.apache.camel.impl.osgi.tracker	Camel OSGi Bundle Tracker.
org.apache.camel.impl.saga
org.apache.camel.impl.scan	Package scan classes.
org.apache.camel.impl.transformer
org.apache.camel.impl.validator

Camel Main to run Camel standalone
Package	Description
org.apache.camel.main	Application level classes that can be used to instantiate camel.

Type conversion helper classes
Package	Description
org.apache.camel.converter	A set of helper classes for converting from different types of Java object to be used by the Type Conversion Support
org.apache.camel.converter.jaxp	A number of JAXP related helper classes for converting to and from various JAXP related classes like Document and Source to be used by a TypeConverter
org.apache.camel.converter.stream	Package with converters for dealing with stream-based messages

Utility classes
Package	Description
org.apache.camel.util	Utility classes used by the core of Camel.
org.apache.camel.util.backoff	Utility classes for BackOff.
org.apache.camel.util.component	Base classes and utilities for API based components
org.apache.camel.util.concurrent	Concurrent utility classes
org.apache.camel.util.function
org.apache.camel.util.jndi	A simple JNDI context which can be used with the JndiRegistry
org.apache.camel.util.jsse	A collection of utility classes for configuring a JSSE SSLContext and other JSSE classes.
org.apache.camel.util.toolbox	Toolbox classes to create commonly used Aggregation Strategies in a fluent manner.

Other Packages
Package	Description
org.apache.camel.api.management	Service provider interfaces for management.
org.apache.camel.cloud	Camel cloud
org.apache.camel.cluster	Camel Cluster support
org.apache.camel.health	Camel Health Check support
org.apache.camel.runtimecatalog	Runtime Camel Catalog
org.apache.camel.saga