private void executeInternal()

in src/main/java/org/apache/sling/maven/jspc/JspcMojo.java [373:472]
92 lines of code
28 McCabe index (conditional complexity)

    private void executeInternal() throws JasperException {
        if (getLog().isDebugEnabled()) {
            getLog().debug("execute() starting for " + pages.size() + " pages.");
        }

        try {
            if (featureSupport == null && feature != null) {
                File target = null;
                if (feature.featureId != null) {
                    target = getOrResolveArtifact(project, mavenSession, artifactHandlerManager, artifactResolver, ArtifactId.fromMvnId(feature.featureId.getId())).getFile();
                } else if (feature.featureFile != null && ! feature.featureFile.trim().isEmpty()){
                    target = new File(feature.featureFile);
                }
                if (target != null && target.isFile()) {
                    try (Reader reader = new InputStreamReader(Files.newInputStream(target.toPath()), "UTF-8")) {
                        Feature assembled = FeatureJSONReader.read(reader, target.getAbsolutePath());
                        featureSupport = FeatureSupport.createFeatureSupport(assembled, artifactId -> {
                            try {
                                return getOrResolveArtifact(project, mavenSession, artifactHandlerManager, artifactResolver, artifactId).getFile().toURI().toURL();
                            } catch (Exception e) {
                                throw new RuntimeException(e);
                            }
                        }, this.getClass().getClassLoader(), feature.failOnUnresolved, properties -> {
                            properties.put(org.osgi.framework.Constants.FRAMEWORK_STORAGE_CLEAN, org.osgi.framework.Constants.FRAMEWORK_STORAGE_CLEAN_ONFIRSTINIT);
                            properties.put(org.osgi.framework.Constants.FRAMEWORK_STORAGE, new File(project.getBuild().getDirectory(), "featuresupport").getAbsolutePath());
                            properties.put(org.osgi.framework.Constants.FRAMEWORK_BOOTDELEGATION, "*");
                            return properties;
                        });
                    }
                }
            }
            if (context == null) {
                initServletContext();
            }

            if (printCompilationReport || generateCompilationReport) {
                dependencyTracker = new DependencyTracker(
                        getLog(),
                        project.getBasedir().toPath(),
                        sourceDirectory.toPath(),
                        context,
                        loader,
                        jspcCompileArtifacts);
            }

            if (includes == null) {
                includes = new String[]{ "**/*.jsp" };
            }

            // No explicit pages, we'll process all .jsp in the webapp
            if (pages.size() == 0) {
                scanFiles(sourceDirectory);
            }

            File uriRootF = new File(uriSourceRoot);
            if (!uriRootF.exists() || !uriRootF.isDirectory()) {
                throw new JasperException("The source location '"
                    + uriSourceRoot + "' must be an existing directory");
            }

            pages.stream().parallel().forEach(nextjsp -> {
                File fjsp = new File(nextjsp);
                if (!fjsp.isAbsolute()) {
                    fjsp = new File(uriRootF, nextjsp);
                }
                if (!fjsp.exists()) {
                    if (getLog().isWarnEnabled()) {
                        getLog().warn("JSP file " + fjsp + " does not exist");
                    }
                } else {
                    String s = fjsp.getAbsolutePath();
                    if (s.startsWith(uriSourceRoot)) {
                        nextjsp = s.substring(uriSourceRoot.length());
                    }
                    if (nextjsp.startsWith("." + File.separatorChar)) {
                        nextjsp = nextjsp.substring(2);
                    }

                    try {
                        processFile(nextjsp);
                    } catch (JasperException e) {
                        Throwable rootCause = e;
                        while (rootCause instanceof JasperException
                                && ((JasperException) rootCause).getRootCause() != null) {
                            rootCause = ((JasperException) rootCause).getRootCause();
                        }
                        if (rootCause != e) {
                            rootCause.printStackTrace();
                        }
                        throw new RuntimeException(e);
                    }
                }
            });
            if (dependencyTracker != null) {
                dependencyTracker.processCompileDependencies();
            }
        } catch (/* IO */Exception ioe) {
            throw new JasperException(ioe);
        }
    }