Examples of org.sonatype.aether.util.graph.PreorderNodeListGenerator

org.sonatype.aether.util.graph.PreorderNodeListGenerator
Generates a sequence of dependency nodes from a dependeny graph by traversing the graph in preorder. This visitor visits each node exactly once regardless how many paths within the dependency graph lead to the node such that the resulting node sequence is free of duplicates. @author Benjamin Bentmann


        DependencyNode root =
            pluginDependenciesResolver.resolve( plugin, RepositoryUtils.toArtifact( pluginArtifact ), dependencyFilter,
                                                project.getRemotePluginRepositories(), session.getRepositorySession() );


        PreorderNodeListGenerator nlg = new PreorderNodeListGenerator();
        root.accept( nlg );


        List<Artifact> exposedPluginArtifacts = new ArrayList<Artifact>( nlg.getNodes().size() );
        RepositoryUtils.toArtifacts( exposedPluginArtifacts, Collections.singleton( root ),
                                     Collections.<String> emptyList(), null );
        for ( Iterator<Artifact> it = exposedPluginArtifacts.iterator(); it.hasNext(); )
        {
            Artifact artifact = it.next();
            if ( artifact.getFile() == null )
            {
                it.remove();
            }
        }


        List<org.sonatype.aether.artifact.Artifact> pluginArtifacts = nlg.getArtifacts( true );


        Map<String, ClassLoader> foreignImports = calcImports( project, parent, imports );


        ClassRealm pluginRealm =
            classRealmManager.createPluginRealm( plugin, parent, null, foreignImports, pluginArtifacts );

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    {
        DependencyNode root =
            pluginDependenciesResolver.resolve( extensionPlugin, null, null, repositories,
                                                request.getRepositorySession() );


        PreorderNodeListGenerator nlg = new PreorderNodeListGenerator();
        root.accept( nlg );
        return nlg.getArtifacts( false );
    }

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    {
        DependencyNode root =
            pluginDependenciesResolver.resolve( extensionPlugin, null, null, repositories,
                                                request.getRepositorySession() );


        PreorderNodeListGenerator nlg = new PreorderNodeListGenerator();
        root.accept( nlg );
        return nlg.getArtifacts( false );
    }

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        DependencyNode root =
            pluginDependenciesResolver.resolve( plugin, RepositoryUtils.toArtifact( pluginArtifact ), dependencyFilter,
                                                project.getRemotePluginRepositories(), session.getRepositorySession() );


        PreorderNodeListGenerator nlg = new PreorderNodeListGenerator();
        root.accept( nlg );


        List<Artifact> exposedPluginArtifacts = new ArrayList<Artifact>( nlg.getNodes().size() );
        RepositoryUtils.toArtifacts( exposedPluginArtifacts, Collections.singleton( root ),
                                     Collections.<String> emptyList(), null );
        for ( Iterator<Artifact> it = exposedPluginArtifacts.iterator(); it.hasNext(); )
        {
            Artifact artifact = it.next();
            if ( artifact.getFile() == null )
            {
                it.remove();
            }
        }


        List<org.sonatype.aether.artifact.Artifact> pluginArtifacts = nlg.getArtifacts( true );


        ClassRealm pluginRealm =
            classRealmManager.createPluginRealm( plugin, parent, null, foreignImports, pluginArtifacts );


        pluginDescriptor.setClassRealm( pluginRealm );

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        DependencyNode root =
            pluginDependenciesResolver.resolve( plugin, RepositoryUtils.toArtifact( pluginArtifact ), dependencyFilter,
                                                project.getRemotePluginRepositories(), session.getRepositorySession() );


        PreorderNodeListGenerator nlg = new PreorderNodeListGenerator();
        root.accept( nlg );


        List<Artifact> exposedPluginArtifacts = new ArrayList<Artifact>( nlg.getNodes().size() );
        RepositoryUtils.toArtifacts( exposedPluginArtifacts, Collections.singleton( root ),
                                     Collections.<String> emptyList(), null );
        for ( Iterator<Artifact> it = exposedPluginArtifacts.iterator(); it.hasNext(); )
        {
            Artifact artifact = it.next();
            if ( artifact.getFile() == null )
            {
                it.remove();
            }
        }


        List<org.sonatype.aether.artifact.Artifact> pluginArtifacts = nlg.getArtifacts( true );


        ClassRealm pluginRealm = classRealmManager.createPluginRealm( plugin, parent, imports, pluginArtifacts );


        pluginDescriptor.setClassRealm( pluginRealm );
        pluginDescriptor.setArtifacts( exposedPluginArtifacts );

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        DependencyNode root =
            pluginDependenciesResolver.resolve( plugin, RepositoryUtils.toArtifact( pluginArtifact ), dependencyFilter,
                                                project.getRemotePluginRepositories(), session.getRepositorySession() );


        PreorderNodeListGenerator nlg = new PreorderNodeListGenerator();
        root.accept( nlg );


        List<Artifact> exposedPluginArtifacts = new ArrayList<Artifact>( nlg.getNodes().size() );
        RepositoryUtils.toArtifacts( exposedPluginArtifacts, Collections.singleton( root ),
                                     Collections.<String> emptyList(), null );
        for ( Iterator<Artifact> it = exposedPluginArtifacts.iterator(); it.hasNext(); )
        {
            Artifact artifact = it.next();
            if ( artifact.getFile() == null )
            {
                it.remove();
            }
        }


        List<org.sonatype.aether.artifact.Artifact> pluginArtifacts = nlg.getArtifacts( true );


        ClassRealm pluginRealm = classRealmManager.createPluginRealm( plugin, parent, imports, pluginArtifacts );


        pluginDescriptor.setClassRealm( pluginRealm );
        pluginDescriptor.setArtifacts( exposedPluginArtifacts );

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    {
        DependencyNode root =
            pluginDependenciesResolver.resolve( extensionPlugin, null, null, repositories,
                                                request.getRepositorySession() );


        PreorderNodeListGenerator nlg = new PreorderNodeListGenerator();
        root.accept( nlg );
        return nlg.getArtifacts( false );
    }

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                repoSystem.resolveDependencies( repoSession, dependencyRequest  );
            } catch (DependencyResolutionException e) {
                throw new MojoExecutionException( e.getMessage(), e );
            }


            PreorderNodeListGenerator nlg = new PreorderNodeListGenerator();
            node.accept( nlg );
            getLog().info( "" + nlg.getClassPath() );


            return nlg.getArtifacts(false);
        }

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    public List<Artifact> getArtifacts(){
        return Collections.unmodifiableList( artifacts );
    }


    public String getClasspath() {
        PreorderNodeListGenerator nlg = new PreorderNodeListGenerator();
        node.accept( nlg );


        StringBuilder buffer = new StringBuilder( 1024 );


        for ( Iterator<DependencyNode> it = nlg.getNodes().iterator(); it.hasNext(); )
        {
            DependencyNode node = it.next();
            if ( node.getDependency() != null )
            {
                Artifact artifact = node.getDependency().getArtifact();

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        return buffer.toString();
    }


    public HashMap getClasspathMap() {
        PreorderNodeListGenerator nlg = new PreorderNodeListGenerator();
        node.accept( nlg );


        HashMap<String,String> map = new HashMap<String,String>();


        for ( Iterator<DependencyNode> it = nlg.getNodes().iterator(); it.hasNext(); ) {
            DependencyNode node = it.next();
            if ( node.getDependency() != null ) {
                Artifact artifact = node.getDependency().getArtifact();
                // skip pom artifacts
                if ( artifact.getFile() != null && !"pom".equals(artifact.getExtension())) {

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