io.flamingock.springboot

Class SpringbootDependencyContext

java.lang.Object

io.flamingock.springboot.SpringbootDependencyContext

All Implemented Interfaces:

io.flamingock.internal.common.core.context.ContextResolver, io.flamingock.internal.common.core.context.DependencyResolver, io.flamingock.internal.common.core.context.PropertyResolver

public class SpringbootDependencyContext
extends java.lang.Object
implements io.flamingock.internal.common.core.context.ContextResolver

Implementation of ContextResolver that resolves dependencies and properties using a Spring Boot 2 ApplicationContext.

It supports retrieval of beans by type or name and reads namespaced properties (prefixed with flamingock.) from the Spring Environment.

Constructor Summary

Constructors

Constructor and Description
SpringbootDependencyContext(org.springframework.context.ApplicationContext applicationContext) Creates a new dependency context backed by the given Spring ApplicationContext.

Method Summary

Modifier and Type	Method and Description
java.util.Optional<io.flamingock.internal.common.core.context.Dependency>	getDependency(java.lang.Class<?> type) Attempts to retrieve a bean from the Spring context by its type.
java.util.Optional<io.flamingock.internal.common.core.context.Dependency>	getDependency(java.lang.String name) Attempts to retrieve a bean from the Spring context by its name.
java.util.Optional<java.lang.String>	getProperty(java.lang.String key) Retrieves a property value as a String from the Spring Environment, using the flamingock. prefix.
<T> java.util.Optional<T>	getPropertyAs(java.lang.String key, java.lang.Class<T> type) Retrieves a property value and converts it to the specified type using Spring's conversion service, using the flamingock. prefix.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface io.flamingock.internal.common.core.context.DependencyResolver

getDependencyValue, getDependencyValue, getRequiredDependency, getRequiredDependency, getRequiredDependencyValue, getRequiredDependencyValue

Methods inherited from interface io.flamingock.internal.common.core.context.PropertyResolver

getRequiredProperty, getRequiredPropertyAs

Constructor Detail

SpringbootDependencyContext

public SpringbootDependencyContext(org.springframework.context.ApplicationContext applicationContext)

Creates a new dependency context backed by the given Spring ApplicationContext.

Parameters:

applicationContext - the Spring application context to use for dependency and property resolution

Method Detail

getDependency

public java.util.Optional<io.flamingock.internal.common.core.context.Dependency> getDependency(java.lang.Class<?> type)

Attempts to retrieve a bean from the Spring context by its type.

Specified by:

getDependency in interface io.flamingock.internal.common.core.context.DependencyResolver

Parameters:

type - the class type of the bean

Returns:

an Optional containing the dependency if found, otherwise empty

getDependency

public java.util.Optional<io.flamingock.internal.common.core.context.Dependency> getDependency(java.lang.String name)

Attempts to retrieve a bean from the Spring context by its name.

Specified by:

getDependency in interface io.flamingock.internal.common.core.context.DependencyResolver

Parameters:

name - the name of the bean

Returns:

an Optional containing the dependency if found, otherwise empty

getProperty

public java.util.Optional<java.lang.String> getProperty(java.lang.String key)

Retrieves a property value as a String from the Spring Environment, using the flamingock. prefix.

Specified by:

getProperty in interface io.flamingock.internal.common.core.context.PropertyResolver

Parameters:

key - the property key (without prefix)

Returns:

an Optional containing the value if present, otherwise empty

getPropertyAs

public <T> java.util.Optional<T> getPropertyAs(java.lang.String key,
                                               java.lang.Class<T> type)

Retrieves a property value and converts it to the specified type using Spring's conversion service, using the flamingock. prefix.

Specified by:

getPropertyAs in interface io.flamingock.internal.common.core.context.PropertyResolver

Type Parameters:

T - the type of the returned value

Parameters:

key - the property key (without prefix)

type - the expected type of the value

Returns:

an Optional containing the converted value if present, otherwise empty