public void execute()

in nbm-maven-plugin/src/main/java/org/apache/netbeans/nbm/BuildInstallersMojo.java [157:329]
139 lines of code
23 McCabe index (conditional complexity)

    public void execute()
            throws MojoExecutionException, MojoFailureException
    {
        Project antProject = antProject();

        if ( !"nbm-application".equals( project.getPackaging() ) )
        {
            throw new MojoExecutionException(
                    "This goal only makes sense on project with 'nbm-application' packaging." );
        }

        if ( !installerOsLinux && !installerOsMacosx && !installerOsSolaris && !installerOsWindows )
        {
            getLog().warn( "None of the Operating System Installers selected, skipping 'build-installers' goal." );
            return;
        }

        String zipName = finalName + ".zip";
        File zipFile = new File( outputDirectory, zipName );
        getLog().info( String.format( "Running Build Installers action for (existing=%2$s) zip file %1$s",
                zipFile, zipFile.exists() ) );

        File appIconIcnsFile;

        // Copy Netbeans Installer resources
        FileUrlUtils fu = new FileUrlUtils();
        File harnessDir = new File( outputDirectory, "installer" );
        fu.copyResourcesRecursively( getClass().getClassLoader().getResource( "harness" ), harnessDir );

        // Overwrite template file with modified version to accept branded images etc.
        if ( templateFile != null )
        {
            File template = new File( harnessDir, "nbi/stub/template.xml" );
            fu.copyFile( templateFile, template );
        }

        appIconIcnsFile = new File( harnessDir, "etc" + File.separatorChar + "applicationIcon.icns" );
        getLog().info( "Application icon:" + appIconIcnsFile.getAbsolutePath() );

        Map<String, String> props = new HashMap<String, String>();

        props.put( "suite.location", basedir.getAbsolutePath().replace( "\\", "/" ) );
        props.put( "suite.props.app.name", brandingToken );
        props.put( "suite.dist.zip", zipFile.getAbsolutePath().replace( "\\", "/" ) );
        props.put( "suite.dist.directory", outputDirectory.getAbsolutePath().replace( "\\", "/" ) );
        props.put( "installer.build.dir", new File( outputDirectory, "installerbuild" ).getAbsolutePath().replace( "\\",
                "/" ) );

        props.put( "installers.file.prefix", installersFilePrefix );

//        props.put( "install.dir.name", installDirName );
        //mkleint: this is a flawed pattern! cannot make any assumption on multimodule layout
        String appName = project.getParent().getArtifactId().replace( ".", "" ).replace( "-", "" ).replace( "_", "" ).
                replaceAll( "[0-9]+", "" );
        props.put( "suite.nbi.product.uid", appName.toLowerCase( Locale.ENGLISH ) );

        props.put( "suite.props.app.title", ( project.getName() + " " + project.getVersion() ).replaceAll( "-SNAPSHOT",
                "" ) );

        String appVersion = project.getVersion().replaceAll( "-SNAPSHOT", "" );
        props.put( "suite.nbi.product.version.short", appVersion );
        while ( appVersion.split( "\\." ).length < 5 )
        {
            appVersion += ".0";
        }
        props.put( "suite.nbi.product.version", appVersion );

        props.put( "nbi.stub.location", new File( harnessDir, "nbi/stub" ).getAbsolutePath().replace( "\\", "/" ) );

        props.put( "nbi.stub.common.location", new File( harnessDir, "nbi/.common" ).getAbsolutePath().replace( "\\",
                "/" ) );

        props.put( "nbi.ant.tasks.jar", new File( harnessDir, "modules/ext/nbi-ant-tasks.jar" ).getAbsolutePath().
                replace( "\\", "/" ) );

        props.put( "nbi.registries.management.jar", new File( harnessDir, "modules/ext/nbi-registries-management.jar" ).
                getAbsolutePath().replace( "\\", "/" ) );

        props.put( "nbi.engine.jar", new File( harnessDir, "modules/ext/nbi-engine.jar" ).getAbsolutePath().replace(
                "\\", "/" ) );

        if ( installerLicenseFile != null )
        {
            getLog().info( String.format( "License file is at %1s, exist = %2$s", installerLicenseFile,
                    installerLicenseFile.exists() ) );
            //mkleint: no path replacement here??
            props.put( "nbi.license.file", installerLicenseFile.getAbsolutePath() );
        }

        List<String> platforms = new ArrayList<String>();

        if ( this.installerOsLinux )
        {
            platforms.add( "linux" );
            File linuxFile = new File( outputDirectory, installersFilePrefix + "-linux.sh" );
            projectHelper.attachArtifact( project, "sh", "linux", linuxFile );
        }
        if ( this.installerOsSolaris )
        {
            platforms.add( "solaris" );
            File solarisFile = new File( outputDirectory, installersFilePrefix + "-solaris.sh" );
            projectHelper.attachArtifact( project, "sh", "solaris", solarisFile );
        }
        if ( this.installerOsWindows )
        {
            platforms.add( "windows" );
            File windowsFile = new File( outputDirectory, installersFilePrefix + "-windows.exe" );
            projectHelper.attachArtifact( project, "exe", "windows", windowsFile );
        }
        if ( this.installerOsMacosx )
        {
            platforms.add( "macosx" );
            File macosxFile = new File( outputDirectory, installersFilePrefix + "-macosx.tgz" );
            projectHelper.attachArtifact( project, "tgz", "macosx", macosxFile );
        }

        StringBuilder sb = new StringBuilder();
        for ( int i = 0; i < platforms.size(); i++ )
        {
            if ( i != 0 )
            {
                sb.append( " " );
            }
            sb.append( platforms.get( i ) );
        }
        if ( sb.length() == 0 )
        {
            //nothing to build
            getLog().warn( "Nothing to build." );
        }

        props.put( "generate.installer.for.platforms", sb.toString() );

        File javaHome = new File( System.getProperty( "java.home" ) );
        //mkleint: does this work on mac? no rt.jar there
        if ( new File( javaHome, "lib/rt.jar" ).exists() && javaHome.getName().equals( "jre" ) )
        {
            javaHome = javaHome.getParentFile();
        }
        props.put( "generator-jdk-location-forward-slashes", javaHome.getAbsolutePath().replace( "\\", "/" ) );

        props.put( "pack200.enabled", "" + installerPack200Enable );

        if ( appIconIcnsFile != null )
        {
            props.put( "nbi.dock.icon.file", appIconIcnsFile.getAbsolutePath() );
        }

        try
        {
            antProject.setUserProperty( "ant.file", new File( harnessDir, "nbi/stub/template.xml" ).getAbsolutePath().
                    replace( "\\", "/" ) );
            ProjectHelper helper = ProjectHelper.getProjectHelper();
            antProject.addReference( "ant.projectHelper", helper );
            helper.parse( antProject, new File( harnessDir, "nbi/stub/template.xml" ) );
            for ( Map.Entry<String, String> e : props.entrySet() )
            {
                antProject.setProperty( e.getKey(), e.getValue() );
            }
            if ( userSettings != null )
            {
                for ( Map.Entry<String, String> e : userSettings.entrySet() )
                {
                    antProject.setProperty( e.getKey(), e.getValue() );
                }
            }
            antProject.executeTarget( "build" );
        }
        catch ( Exception ex )
        {
            throw new MojoExecutionException( "Installers creation failed: " + ex, ex );
        }
    }