Class CombinedConfigurationBuilderProvider
- java.lang.Object
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- org.apache.commons.configuration2.builder.combined.BaseConfigurationBuilderProvider
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- org.apache.commons.configuration2.builder.combined.CombinedConfigurationBuilderProvider
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- All Implemented Interfaces:
ConfigurationBuilderProvider
public class CombinedConfigurationBuilderProvider extends BaseConfigurationBuilderProvider
A specialized
ConfigurationBuilderProviderimplementation which deals with combined configuration builders.This class is used to support
<configuration>elements in configuration definition files. The provider creates anotherCombinedConfigurationBuilderwhich inherits some of the properties from its parent builder.- Since:
- 2.0
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Constructor Summary
Constructors Constructor Description CombinedConfigurationBuilderProvider()Creates a new instance ofCombinedConfigurationBuilderProvider.
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description protected BasicConfigurationBuilder<? extends Configuration>createBuilder(ConfigurationDeclaration decl, Collection<BuilderParameters> params)Creates a new, uninitialized instance of the builder class managed by this provider.protected voidinitializeParameterObjects(ConfigurationDeclaration decl, Collection<BuilderParameters> params)Initializes the parameter objects with data stored in the current bean declaration.-
Methods inherited from class org.apache.commons.configuration2.builder.combined.BaseConfigurationBuilderProvider
configureBuilder, createParameterObjects, determineBuilderClass, determineConfigurationClass, getBuilderClass, getConfigurationBuilder, getConfigurationClass, getParameterClasses, getReloadingBuilderClass, inheritParentBuilderProperties, isAllowFailOnInit
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Constructor Detail
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CombinedConfigurationBuilderProvider
public CombinedConfigurationBuilderProvider()
Creates a new instance ofCombinedConfigurationBuilderProvider.
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Method Detail
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createBuilder
protected BasicConfigurationBuilder<? extends Configuration> createBuilder(ConfigurationDeclaration decl, Collection<BuilderParameters> params) throws Exception
Creates a new, uninitialized instance of the builder class managed by this provider. This implementation determines the builder class to be used by delegating todetermineBuilderClass(). It then calls the constructor expecting the configuration class, the map with properties, and theallowFailOnInit flag. This implementation creates the result builder object directly, not using reflection. (The reflection-based approach of the base class does not work here because a combined configuration builder has constructors with a different signature.) It also performs some additional initializations.- Overrides:
createBuilderin classBaseConfigurationBuilderProvider- Parameters:
decl- the currentConfigurationDeclarationparams- initialization parameters for the new builder object- Returns:
- the newly created builder instance
- Throws:
Exception- if an error occurs
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initializeParameterObjects
protected void initializeParameterObjects(ConfigurationDeclaration decl, Collection<BuilderParameters> params) throws Exception
Initializes the parameter objects with data stored in the current bean declaration. This method is called before the newly created builder instance is configured with the parameter objects. It maps attributes of the bean declaration to properties of parameter objects. In addition, it invokes the parentCombinedConfigurationBuilderso that the parameters object can inherit properties already defined for this builder. This implementation pre-fills basic parameters from the basic properties of the parent builder's result configuration.- Overrides:
initializeParameterObjectsin classBaseConfigurationBuilderProvider- Parameters:
decl- the currentConfigurationDeclarationparams- the collection with (uninitialized) parameter objects- Throws:
Exception- if an error occurs
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