import java.io.*;

File projectProperties = new File( basedir, "target/project.properties" );

Properties props = new Properties();
props.load( new FileInputStream( projectProperties ) );

String junitJarPath = props.getProperty( "junit:junit:jar" );
if ( junitJarPath == null )
{
    throw new Exception( "junit:junit:jar is null" );
}
if ( ! (new File( junitJarPath )).isFile() )
{
    throw new Exception( "junit jar is not a file: " + junitJarPath );
}

String mavenArtifactPath = props.getProperty( "org.apache.maven:maven-artifact:jar" );
if ( mavenArtifactPath == null )
{
    throw new Exception( "org.apache.maven:maven-artifact:jar is null" );
}
if ( ! (new File( mavenArtifactPath )).isFile() )
{
    throw new Exception( "maven-artifact jar is not a file: " + mavenArtifactPath );
}

return true;