ConfigurationContainer

Table of Contents

Examples
Properties
Methods
Script blocks
Method details
API Documentation:ConfigurationContainer

A ConfigurationContainer is responsible for declaring and managing configurations. See also Configuration.

You can obtain a ConfigurationContainer instance by calling Project.getConfigurations(), or using the configurations property in your build script.

The configurations in a container are accessible as read-only properties of the container, using the name of the configuration as the property name. For example:

configurations.create('myConfiguration')
configurations.myConfiguration.transitive = false

A dynamic method is added for each configuration which takes a configuration closure. This is equivalent to calling ConfigurationContainer.getByName(java.lang.String, groovy.lang.Closure). For example:

configurations.create('myConfiguration')
configurations.myConfiguration {
    transitive = false
}

Examples

An example showing how to refer to a given configuration by name in order to get hold of all dependencies (e.g. jars, but only) 

apply plugin: 'java' //so that I can use 'implementation', 'compileClasspath' configuration

dependencies {
    implementation 'org.slf4j:slf4j-api:1.7.26'
}

//copying all dependencies attached to 'compileClasspath' into a specific folder
task copyAllDependencies(type: Copy) {
  //referring to the 'compileClasspath' configuration
  from configurations.compileClasspath
  into 'allLibs'
}

An example showing how to declare and configure configurations 

apply plugin: 'java' //so that I can use 'implementation', 'testImplementation' configurations

configurations {
  //adding a configuration:
  myConfiguration

  //adding a configuration that extends existing configuration:
  //(testImplementation was added by the java plugin)
  myIntegrationTestsCompile.extendsFrom(testImplementation)

  //configuring existing configurations not to put transitive dependencies on the compile classpath
  //this way you can avoid issues with implicit dependencies to transitive libraries
  compileClasspath.transitive = false
  testCompileClasspath.transitive = false
}

Examples on configuring the resolution strategy - see docs for ResolutionStrategy Please see the Managing Dependency Configurations User Manual chapter for more information.

Properties

No properties

Methods

MethodDescription
create(name)

Creates a new item with the given name, adding it to this container.

create(name, configureClosure)

Creates a new item with the given name, adding it to this container, then configuring it with the given closure.

create(name, configureAction)

Creates a new item with the given name, adding it to this container, then configuring it with the given action.

detachedConfiguration(dependencies)

Creates a configuration, but does not add it to this container.

getAt(name)

Locates an object by name, failing if there is no such task. This method is identical to NamedDomainObjectCollection.getByName(java.lang.String). You can call this method in your build script by using the groovy [] operator.

getByName(name)

Locates an object by name, failing if there is no such object.

getByName(name, configureClosure)

Locates an object by name, failing if there is no such object. The given configure closure is executed against the object before it is returned from this method. The object is passed to the closure as its delegate.

getByName(name, configureAction)

Locates an object by name, failing if there is no such object. The given configure action is executed against the object before it is returned from this method.

maybeCreate(name)

Looks for an item with the given name, creating and adding it to this container if it does not exist.

named(name)

Locates a object by name, without triggering its creation or configuration, failing if there is no such object.

named(name, type)

Locates a object by name and type, without triggering its creation or configuration, failing if there is no such object.

named(name, type, configurationAction)

Locates a object by name and type, without triggering its creation or configuration, failing if there is no such object. The given configure action is executed against the object before it is returned from the provider.

named(name, configurationAction)

Locates a object by name, without triggering its creation or configuration, failing if there is no such object. The given configure action is executed against the object before it is returned from the provider.

register(name)

Defines a new object, which will be created when it is required. A object is 'required' when the object is located using query methods such as NamedDomainObjectCollection.getByName(java.lang.String) or when Provider.get() is called on the return value of this method.

register(name, configurationAction)

Defines a new object, which will be created and configured when it is required. An object is 'required' when the object is located using query methods such as NamedDomainObjectCollection.getByName(java.lang.String) or when Provider.get() is called on the return value of this method.

Script blocks

No script blocks

Method details

T create(String name)

Creates a new item with the given name, adding it to this container.

T create(String name, Closure configureClosure)

Creates a new item with the given name, adding it to this container, then configuring it with the given closure.

T create(String name, Action<? super T> configureAction)

Creates a new item with the given name, adding it to this container, then configuring it with the given action.

Configuration detachedConfiguration(Dependency... dependencies)

Creates a configuration, but does not add it to this container.

Configuration getAt(String name)

Locates an object by name, failing if there is no such task. This method is identical to NamedDomainObjectCollection.getByName(java.lang.String). You can call this method in your build script by using the groovy [] operator.

Configuration getByName(String name)

Locates an object by name, failing if there is no such object.

Configuration getByName(String name, Closure configureClosure)

Locates an object by name, failing if there is no such object. The given configure closure is executed against the object before it is returned from this method. The object is passed to the closure as its delegate.

Configuration getByName(String name, Action<? super Configuration> configureAction)

Locates an object by name, failing if there is no such object. The given configure action is executed against the object before it is returned from this method.

T maybeCreate(String name)

Looks for an item with the given name, creating and adding it to this container if it does not exist.

Locates a object by name, without triggering its creation or configuration, failing if there is no such object.

NamedDomainObjectProvider<S> named(String name, Class<S> type)

Locates a object by name and type, without triggering its creation or configuration, failing if there is no such object.

NamedDomainObjectProvider<S> named(String name, Class<S> type, Action<? super S> configurationAction)

Locates a object by name and type, without triggering its creation or configuration, failing if there is no such object. The given configure action is executed against the object before it is returned from the provider.

NamedDomainObjectProvider<T> named(String name, Action<? super T> configurationAction)

Locates a object by name, without triggering its creation or configuration, failing if there is no such object. The given configure action is executed against the object before it is returned from the provider.

Defines a new object, which will be created when it is required. A object is 'required' when the object is located using query methods such as NamedDomainObjectCollection.getByName(java.lang.String) or when Provider.get() is called on the return value of this method.

It is generally more efficient to use this method instead of NamedDomainObjectContainer.create(java.lang.String), as that method will eagerly create the object, regardless of whether that object is required for the current build or not. This method, on the other hand, will defer creation until required.

NamedDomainObjectProvider<T> register(String name, Action<? super T> configurationAction)

Defines a new object, which will be created and configured when it is required. An object is 'required' when the object is located using query methods such as NamedDomainObjectCollection.getByName(java.lang.String) or when Provider.get() is called on the return value of this method.

It is generally more efficient to use this method instead of NamedDomainObjectContainer.create(java.lang.String, org.gradle.api.Action) or NamedDomainObjectContainer.create(java.lang.String), as those methods will eagerly create and configure the object, regardless of whether that object is required for the current build or not. This method, on the other hand, will defer creation and configuration until required.