com.atlassian.maven.plugin.clover.CloverInstrumentInternalMojo Maven / Gradle / Ivy
package com.atlassian.maven.plugin.clover;
/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
import org.apache.maven.artifact.Artifact;
import org.apache.maven.artifact.repository.ArtifactRepository;
import org.apache.maven.artifact.resolver.ArtifactResolver;
import org.apache.maven.artifact.resolver.ArtifactResolutionException;
import org.apache.maven.artifact.resolver.ArtifactNotFoundException;
import org.apache.maven.artifact.factory.ArtifactFactory;
import org.apache.maven.artifact.handler.ArtifactHandler;
import org.apache.maven.plugin.MojoExecutionException;
import com.atlassian.maven.plugin.clover.internal.AbstractCloverMojo;
import com.atlassian.maven.plugin.clover.internal.CloverConfiguration;
import com.atlassian.maven.plugin.clover.internal.instrumentation.MainInstrumenter;
import com.atlassian.maven.plugin.clover.internal.instrumentation.TestInstrumenter;
import java.io.File;
import java.util.*;
/**
* Instrument source roots.
*
* Note 1: Do not call this MOJO directly. It is meant to be called in a custom forked lifecycle by the other
* Clover plugin MOJOs.
* Note 2: We bind this mojo to the "validate" phase so that it executes prior to any other mojos
*
* @goal instrumentInternal
* @phase validate
* @requiresDependencyResolution test
*
* @version $Id: CloverInstrumentInternalMojo.java 555822 2007-07-13 00:03:28Z vsiveton $
*/
public class CloverInstrumentInternalMojo extends AbstractCloverMojo implements CloverConfiguration
{
/**
* The directory where the Clover plugin will put all the files it generates during the build process. For
* example the Clover plugin will put instrumented sources somewhere inside this directory.
*
* @parameter default-value="${project.build.directory}/clover"
* @required
*/
private String cloverOutputDirectory;
/**
* List of all artifacts for this Clover plugin provided by Maven. This is used internally to get a handle on
* the Clover JAR artifact.
*
* Note: This is passed by Maven and must not be configured by the user.
*
* @parameter expression="${plugin.artifacts}"
* @required
*/
private List pluginArtifacts;
/**
* @parameter expression="${component.org.apache.maven.artifact.factory.ArtifactFactory}"
* @required
* @readonly
*/
private ArtifactFactory artifactFactory;
/**
* Artifact resolver used to find clovered artifacts (artifacts with a clover classifier).
*
* @component role="org.apache.maven.artifact.resolver.ArtifactResolver"
* @required
* @readonly
*/
private ArtifactResolver artifactResolver;
/**
* Local maven repository.
*
* @parameter expression="${localRepository}"
* @required
*/
private ArtifactRepository localRepository;
/**
* The list of file to include in the instrumentation.
* @parameter
*/
private Set includes = new HashSet();
/**
* The list of file to exclude from the instrumentation.
* @parameter
*/
private Set excludes = new HashSet();
/**
* Whether the Clover plugin should instrument all source roots (ie even
* generated sources) or whether it should only instrument the main source
* root.
* @parameter expression="${maven.clover.includesAllSourceRoots}" default-value="false"
*/
private boolean includesAllSourceRoots;
/**
* Whether the Clover plugin should instrument test source roots.
* @parameter expression="${maven.clover.includesTestSourceRoots}" default-value="true"
*/
private boolean includesTestSourceRoots;
/**
* Use the fully qualified package name for java.lang.* classes.
*
* @parameter expression="${maven.clover.useFullyQualifiedJavaLang}" default-value="true"
*/
private boolean useFullyQualifiedJavaLang;
/**
* The character encoding to use when parsing source files.
*
* @parameter expression="${maven.clover.encoding}"
*/
private String encoding;
/**
* {@inheritDoc}
* @see com.atlassian.maven.plugin.clover.internal.AbstractCloverMojo#execute()
*/
public void execute()
throws MojoExecutionException
{
if (skip) {
getLog().debug("Skipping clover instrumentation.");
return;
}
// Ensure output directories exist
new File( this.cloverOutputDirectory ).mkdirs();
String cloverOutputSourceDirectory = new File( this.cloverOutputDirectory, "src" ).getPath();
String cloverOutputTestSourceDirectory = new File( this.cloverOutputDirectory, "src-test" ).getPath();
new File( getCloverDatabase() ).getParentFile().mkdirs();
super.execute();
logArtifacts( "before changes" );
// Instrument both the main sources and the test sources if the user has configured it
MainInstrumenter mainInstrumenter =
new MainInstrumenter( this, cloverOutputSourceDirectory );
TestInstrumenter testInstrumenter =
new TestInstrumenter( this, cloverOutputTestSourceDirectory );
if ( isJavaProject() )
{
mainInstrumenter.instrument();
if ( this.includesTestSourceRoots )
{
testInstrumenter.instrument();
}
}
swizzleCloverDependencies();
addCloverDependencyToCompileClasspath();
// Modify Maven model so that it points to the new source directories and to the clovered
// artifacts instead of the original values.
mainInstrumenter.redirectSourceDirectories();
if ( this.includesTestSourceRoots )
{
testInstrumenter.redirectSourceDirectories();
}
redirectOutputDirectories();
redirectArtifact();
logArtifacts( "after changes" );
}
private boolean isJavaProject()
{
ArtifactHandler artifactHandler = getProject().getArtifact().getArtifactHandler();
if ( !"java".equals( artifactHandler.getLanguage() ) )
{
getLog().warn( "The reported language of this project is " + artifactHandler.getLanguage() + ", attempting to instrument sources anyway.");
}
return true;
}
private void redirectOutputDirectories()
{
// Explicitely set the output directory to be the Clover one so that all other plugins executing
// thereafter output files in the Clover output directory and not in the main output directory.
getProject().getBuild().setDirectory( this.cloverOutputDirectory );
// TODO: Ugly hack below. Changing the directory should be enough for changing the values of all other
// properties depending on it!
getProject().getBuild().setOutputDirectory( new File( this.cloverOutputDirectory, "classes" ).getPath() );
// TODO: This is a hack. Remove this when http://jira.codehaus.org/browse/MINSTALL-18 is fixed.
new File( getProject().getBuild().getOutputDirectory() ).mkdirs();
getProject().getBuild().setTestOutputDirectory(
new File( this.cloverOutputDirectory, "test-classes" ).getPath() );
}
/**
* Modify main artifact to add a "clover" classifier to it so that it's not mixed with the main artifact of
* a normal build.
*/
private void redirectArtifact()
{
// Only redirect main artifact for non-pom projects
if ( !getProject().getPackaging().equals( "pom" ) )
{
Artifact oldArtifact = getProject().getArtifact();
Artifact newArtifact = this.artifactFactory.createArtifactWithClassifier( oldArtifact.getGroupId(),
oldArtifact.getArtifactId(), oldArtifact.getVersion(), oldArtifact.getType(), "clover" );
getProject().setArtifact( newArtifact );
getProject().getBuild().setFinalName( getProject().getArtifactId() + "-" + getProject().getVersion()
+ "-clover" );
}
}
/**
* Browse through all project dependencies and try to find a clovered version of the dependency. If found
* replace the main depedencency by the clovered version.
*/
private void swizzleCloverDependencies()
{
getProject().setDependencyArtifacts(
swizzleCloverDependencies( getProject().getDependencyArtifacts() ) );
getProject().setArtifacts(
swizzleCloverDependencies( getProject().getArtifacts() ) );
}
protected Set swizzleCloverDependencies( Set artifacts )
{
Set resolvedArtifacts = new HashSet();
for ( Iterator i = artifacts.iterator(); i.hasNext(); )
{
Artifact artifact = (Artifact) i.next();
// Do not try to find Clovered versions for artifacts with classifiers. This is because Maven2 only
// supports a single classifier per artifact and thus if we replace the original classifier with
// a Clover classifier the artifact will fail to perform properly as intended originally. This is a
// limitation.
if ( artifact.getClassifier() == null )
{
Artifact cloveredArtifact = this.artifactFactory.createArtifactWithClassifier( artifact.getGroupId(),
artifact.getArtifactId(), artifact.getVersion(), artifact.getType(), "clover" );
// Try to resolve the artifact with a clover classifier. If it doesn't exist, simply add the original
// artifact. If found, use the clovered artifact.
try
{
this.artifactResolver.resolve( cloveredArtifact, new ArrayList(), localRepository );
// Set the same scope as the main artifact as this is not set by createArtifactWithClassifier.
cloveredArtifact.setScope( artifact.getScope() );
// Check the timestamp of the artifact. If the found clovered version is older than the
// non-clovered one we need to use the non-clovered version. This is to handle use case such as:
// - Say you have a module B that depends on a module A
// - You run Clover on A
// - You make modifications on A such that B would fail if not built with the latest version of A
// - You try to run the Clover plugin on B. The build would fail if we didn't pick the latest
// version between the original A version and the clovered version.
//
// We provide a 'fudge-factor' of 2 seconds, as the clover artifact is created first.
if ( cloveredArtifact.getFile().lastModified() + 2000l < artifact.getFile().lastModified() )
{
getLog().warn( "Using [" + artifact.getId() + "] even though a Clovered version exists "
+ "but it's older and could fail the build. Please consider running Clover again on that "
+ "dependency's project." );
resolvedArtifacts.add( artifact );
}
else
{
resolvedArtifacts.add( cloveredArtifact );
}
}
catch ( ArtifactResolutionException e )
{
resolvedArtifacts.add( artifact );
}
catch ( ArtifactNotFoundException e )
{
resolvedArtifacts.add( artifact );
}
}
else
{
resolvedArtifacts.add( artifact );
}
}
return resolvedArtifacts;
}
protected Artifact findCloverArtifact( List pluginArtifacts )
{
Artifact cloverArtifact = null;
Iterator artifacts = pluginArtifacts.iterator();
while ( artifacts.hasNext() && cloverArtifact == null )
{
Artifact artifact = (Artifact) artifacts.next();
// We identify the clover JAR by checking the groupId and artifactId.
if ( "com.cenqua.clover".equals( artifact.getGroupId() )
&& "clover".equals( artifact.getArtifactId() ) )
{
cloverArtifact = artifact;
}
}
return cloverArtifact;
}
private void addCloverDependencyToCompileClasspath()
throws MojoExecutionException
{
Artifact cloverArtifact = findCloverArtifact( this.pluginArtifacts );
if ( cloverArtifact == null )
{
throw new MojoExecutionException(
"Couldn't find [com.cenqua.clover:clover] artifact in plugin dependencies" );
}
cloverArtifact = artifactFactory.createArtifact( cloverArtifact.getGroupId(), cloverArtifact.getArtifactId(),
cloverArtifact.getVersion(), Artifact.SCOPE_COMPILE, cloverArtifact.getType() );
// TODO: use addArtifacts when it's implemented, see http://jira.codehaus.org/browse/MNG-2197
Set set = new HashSet( getProject().getDependencyArtifacts() );
set.add( cloverArtifact );
getProject().setDependencyArtifacts( set );
}
private void logArtifacts( String message )
{
if ( getLog().isDebugEnabled() )
{
getLog().debug( "[Clover] List of dependency artifacts " + message + ":" );
logArtifacts( getProject().getDependencyArtifacts() );
getLog().debug( "[Clover] List of artifacts " + message + ":" );
logArtifacts( getProject().getArtifacts() );
}
}
private void logArtifacts( Set artifacts )
{
for ( Iterator i = artifacts.iterator(); i.hasNext(); )
{
Artifact artifact = (Artifact) i.next();
getLog().debug( "[Clover] Artifact [" + artifact.getId() + "], scope = [" + artifact.getScope() + "]" );
}
}
protected void setArtifactFactory( ArtifactFactory artifactFactory )
{
this.artifactFactory = artifactFactory;
}
protected void setArtifactResolver( ArtifactResolver artifactResolver )
{
this.artifactResolver = artifactResolver;
}
public Set getIncludes()
{
return this.includes;
}
public Set getExcludes()
{
return this.excludes;
}
public boolean includesAllSourceRoots()
{
return this.includesAllSourceRoots;
}
public boolean isUseFullyQualifiedJavaLang() {
return useFullyQualifiedJavaLang;
}
public String getEncoding() {
return encoding;
}
}
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