protected Context createContext()

in tomcat8-maven-plugin/src/main/java/org/apache/tomcat/maven/plugin/tomcat8/run/AbstractRunMojo.java [658:742]
59 lines of code
13 McCabe index (conditional complexity)

    protected Context createContext( Tomcat container )
        throws IOException, MojoExecutionException, ServletException
    {
        String contextPath = getPath();

        String baseDir = getDocBase().getAbsolutePath();

        File overriddenContextFile = getContextFile();

        StandardContext standardContext = null;

        if ( overriddenContextFile != null && overriddenContextFile.exists() )
        {
            standardContext = parseContextFile( overriddenContextFile );
        }
        else if ( defaultContextFile.exists() )
        {
            standardContext = parseContextFile( defaultContextFile );
        }

        if ( standardContext != null )
        {
            if ( standardContext.getPath() != null )
            {
                contextPath = standardContext.getPath();
            }
            if ( standardContext.getDocBase() != null )
            {
                baseDir = standardContext.getDocBase();
            }
        }

        contextPath = "/".equals( contextPath ) ? "" : contextPath;

        getLog().info( "create webapp with contextPath: " + contextPath );

        Context context = container.addWebapp( contextPath, baseDir );

        context.setResources(
            new MyDirContext( new File( project.getBuild().getOutputDirectory() ).getAbsolutePath(), //
                              getPath(), //
                              getLog() ) );

        if ( useSeparateTomcatClassLoader )
        {
            context.setParentClassLoader( getTomcatClassLoader() );
        }

        enhanceContext( context );

        final WebappLoader loader = createWebappLoader();

        context.setLoader( loader );

        if ( overriddenContextFile != null )
        {
            // here, send file to Tomcat for it to complain if missing
            context.setConfigFile( overriddenContextFile.toURI().toURL() );
        }
        else if ( defaultContextFile.exists() )
        {
            // here, only sending default file if it indeed exists
            // otherwise Tomcat will create a default context
            context.setConfigFile( defaultContextFile.toURI().toURL() );
        }

        if ( classLoaderClass != null )
        {
            loader.setLoaderClass( classLoaderClass );
        }

        // https://issues.apache.org/jira/browse/MTOMCAT-239
        // get the jar scanner to configure scanning directories as we can run a jar or a reactor project with a jar so
        // the entries is a directory (target/classes)
        JarScanner jarScanner = context.getJarScanner();

        // normally this one only but just in case ...
        if ( jarScanner instanceof StandardJarScanner )
        {
            ( (StandardJarScanner) jarScanner ).setScanAllDirectories( jarScanAllDirectories );
        }

        return context;

    }