Package hudson.maven

Maven support.

See:
          Description

Interface Summary
AggregatableAction Indicates that this Action for MavenBuild contributes an "aggregated" action to its governing MavenModuleSetBuild.
MavenAggregatedReport Action to be associated with MavenModuleSetBuild, which usually displays some aspect of the aggregated results of the module builds (such as aggregated test result, aggregated coverage report, etc.)
MavenArgumentInterceptorAction Provides a hook to change the arguments passed to the maven execution.
MavenBuildProxy Remoting proxy interface for MavenReporters to talk to MavenBuild during the build.
MavenBuildProxy.BuildCallable<V,T extends Throwable>  
MavenBuildProxy2 A part of MavenBuildProxy that's used internally for aggregated build.
MavenProjectActionBuilder Can contribute to project actions.
 

Class Summary
AbstractMavenBuild<P extends AbstractMavenProject<P,B>,B extends AbstractMavenBuild<P,B>>  
AbstractMavenBuilder  
AbstractMavenBuilder.FilterImpl  
AbstractMavenProcessFactory Launches the maven process.
AbstractMavenProcessFactory.GetRemotingJar  
AbstractMavenProject<P extends AbstractProject<P,R>,R extends AbstractBuild<P,R>> Common part between MavenModule and MavenModuleSet.
AbstractMavenProject.MavenModuleDependency  
ExecutedMojo Persisted record of mojo execution.
ExecutedMojo.Cache Used during the HTML rendering to cache the index.
FilteredChangeLogSet ChangeLogSet implementation used for MavenBuild.
Maven31ProcessFactory AbstractMavenProcessFactory for Maven 3.
Maven3Builder  
Maven3Builder.Maven3BuilderRequest  
Maven3ProcessFactory AbstractMavenProcessFactory for Maven 3.
Maven3ProcessFactory.GetClassWorldsJar Finds classworlds.jar
MavenBuild Run for MavenModule.
MavenBuilder Callable that invokes Maven CLI (in process) and drives a build.
MavenBuildInformation  
MavenBuildProxy.Filter<CORE extends MavenBuildProxy> Filter for MavenBuildProxy.
MavenBuildProxy.Filter.AsyncInvoker Callable for invoking MavenBuildProxy.BuildCallable asynchronously.
MavenBuildProxy2.Filter<CORE extends MavenBuildProxy2> Filter for MavenBuildProxy2.
MavenEmbedderRequest  
MavenModule Job that builds projects based on Maven2.
MavenModuleSet Group of MavenModules.
MavenModuleSet.DescriptorImpl  
MavenModuleSetBuild Build for MavenModuleSet.
MavenModuleSetBuild.SimpleTransferListener will log in the TaskListener when transferFailed and transferSucceeded
MavenProbeAction UI for probing Maven process.
MavenReporter Listens to the build execution of MavenBuild, and normally records some information and exposes thoses in MavenBuild later.
MavenReporterDescriptor Descriptor for MavenReporter.
MavenReporters  
MavenReportInfo Information about MavenReport that was executed.
MavenTestDataPublisher Augments SurefireReport by executing TestDataPublishers.
MavenTestDataPublisher.DescriptorImpl  
MavenUtil  
MavenVersionCallable  
Messages  
ModuleDependency group id + artifact id + version and a flag to know if it's a plugin
ModuleName Version independent name of a Maven project.
MojoInfo Information about Mojo to be executed.
MojoInfo.Maven3ProvidesNoAccessToMojo Instance will be set to MojoInfo.mojo to avoid NPE in plugins.
NeedsFullBuildAction Action signalling that this MavenModuleSet needs a full build on the next run even if it's marked as an incremental build.
PlexusModuleContributor Contributes additional code into Plexus container when we run Maven.
PlexusModuleContributorFactory Contributes additional code into Plexus container when we run Maven.
PluginImpl  
PluginName Identifier of a specific version of a Maven plugin that consists of groupId, artifactId, and version.
ProcessCache Hold on to launched Maven processes so that multiple builds can reuse the same Maven JVM, which leads to improved performance.
ProcessCache.NewProcess  
RedeployPublisher Publisher for MavenModuleSetBuild to deploy artifacts after a build is fully succeeded.
RedeployPublisher.DescriptorImpl  
RedeployPublisher.WrappedArtifactRepository  
UnbuiltModuleAction Action which remembers all module which have not been built since the last successful build though they should have been, because they have SCM changes since then.
 

Enum Summary
MavenUtil.MavenVersion  
 

Package hudson.maven Description

Maven support.

General Idea

One of the pain points of the freestyle project is that you have to configure a lot of things, such as where to look for test reports, what files to archive, where the findbugs report would go. But if we focus on Maven, we should be able to eliminate much of the configuration, since it introduces more uniform structures. So that's what this plugin does — at the expense of limiting the build tool to Maven, automate much of the configuration.

Implementation Approach

The core idea of the implementation is to monitor what Maven does, so that we can see which mojos are executed with what parameters. In this way, we can tell when/where javadoc is generated, if source code compilation had an error, and access other rich information about the project build process.

To make communication between Hudson JVM and Maven JVM easier, we use the remoting technology that Hudson uses between the master and the slave. We start a new JVM and bootstraps to the remoting, then use a socket to establish a connection to this process. This part of the code is in the "maven-agent" module. We then bootstrap Maven.

To intercept what's going on in Maven, we extend some key components in Maven, and configure Plexus in such a way that our components are used instead of default ones. Because injected components need to live in a different classloader, they are packaged in a separate "maven-interceptor" module. We also bring in objects (MavenReporters) from plugins via remoting, and distribute intercepted events to these guys. They can then digest information and send it back to Hudson JVM.

In addition to all this, we use embedded Maven to parse POMs, so that we can figure out the structure of the project before we even do a build (this information is used for example to set up dependencies among jobs.) This turns out to be rather fragile (in the presence of profiles that are activated by system property, platform, etc., which makes the effective POM different when in Hudson vs when built for real.)



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