org.microbean.maven.cdi

Class MavenExtension

java.lang.Object

org.microbean.maven.cdi.MavenExtension

All Implemented Interfaces:

Extension

public class MavenExtension
extends Object
implements Extension

A CDI 2.0 portable extension that exposes the Maven Artifact Resolver components as CDI beans, particularly for the purposes of dependency resolution.

Author:

Laird Nelson

See Also:

RepositorySystem, RepositorySystemSession

Constructor Summary

Constructors

Constructor and Description
MavenExtension() Creates a new MavenExtension.

Method Summary

Modifier and Type	Method and Description
static URL	getBeanArchiveLocation(Bean<?> bean) Given a Bean, returns a URL representing the classpath root from which its bean class originates.
Properties	getGroupArtifactVersionCoordinates(URL location) Returns a Properties object containing the contents of a pom.properties file as commonly installed in .jar files by Maven.

Methods inherited from class java.lang.Object

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

Constructor Detail

MavenExtension

public MavenExtension()

Creates a new MavenExtension.

Method Detail

getGroupArtifactVersionCoordinates

public Properties getGroupArtifactVersionCoordinates(URL location)
                                              throws IOException,
                                                     URISyntaxException

Returns a Properties object containing the contents of a pom.properties file as commonly installed in .jar files by Maven.

This method may return null.

This method is not final due to CDI specification restrictions only.

Parameters:

location - the location of the classpath element (a .jar file, or, perhaps, a directory); may be null in which case null will be returned

Returns:

a Properties object, or null

Throws:

IOException - if an input/output error occurs

URISyntaxException - if there was a problem constructing a URI

getBeanArchiveLocation

public static final URL getBeanArchiveLocation(Bean<?> bean)

Given a Bean, returns a URL representing the classpath root from which its bean class originates.

This method may return null.

Parameters:

bean - the Bean whose classpath root should be returned; may be null in which case null will be returned

Returns:

a URL representing a classpath root from which the supplied Bean's bean class originates, or null

See Also:

getGroupArtifactVersionCoordinates(URL), Bean.getBeanClass(), Class.getProtectionDomain(), ProtectionDomain.getCodeSource(), CodeSource.getLocation()