| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package org.apache.tomee.website; |
| |
| import lombok.RequiredArgsConstructor; |
| import org.asciidoctor.Asciidoctor; |
| import org.asciidoctor.AttributesBuilder; |
| |
| import java.io.File; |
| import java.io.IOException; |
| import java.nio.file.FileVisitResult; |
| import java.nio.file.Files; |
| import java.nio.file.Path; |
| import java.nio.file.SimpleFileVisitor; |
| import java.nio.file.attribute.BasicFileAttributes; |
| import java.util.Map; |
| import java.util.concurrent.ExecutorService; |
| import java.util.concurrent.Executors; |
| import java.util.concurrent.TimeUnit; |
| |
| import static lombok.AccessLevel.PRIVATE; |
| import static org.asciidoctor.OptionsBuilder.options; |
| |
| @RequiredArgsConstructor(access = PRIVATE) |
| public class PDFify { |
| public static void generatePdf(final File from, final File targetBase) throws IOException { |
| final Path sourceBase = from.toPath(); |
| final Asciidoctor asciidoctor = Asciidoctor.Factory.create(); |
| final ExecutorService pool = Executors.newFixedThreadPool(16); |
| Files.walkFileTree(sourceBase, new SimpleFileVisitor<Path>() { |
| @Override |
| public FileVisitResult visitFile(final Path file, final BasicFileAttributes attrs) throws IOException { |
| final String fileName = file.getFileName().toString(); |
| if (fileName.endsWith(".adoc")) { |
| pool.submit(() -> { |
| final String path = sourceBase.relativize(file).toString(); |
| final File target = new File(targetBase, path.substring(0, path.length() - "adoc".length()) + "pdf"); |
| final File asFile = file.toFile(); |
| final Map<String, Object> attributes = asciidoctor.readDocumentHeader(asFile).getAttributes(); |
| // if we generate the PDF link we need to create the PDF excepted if it is expected to be manual |
| if (attributes.containsKey("jbake-tomeepdf") && !attributes.containsKey("jbake-tomeepdf-manual")) { |
| asciidoctor.convertFile( |
| asFile, |
| options().docType("article") |
| .backend |
| ("pdf") |
| .attributes(AttributesBuilder.attributes().attribute("source-highlighter", "coderay")).toFile(target).get()); |
| System.out.println("Generated " + target); |
| } |
| }); |
| } |
| return super.visitFile(file, attrs); |
| } |
| }); |
| pool.shutdown(); |
| try { |
| pool.awaitTermination(1, TimeUnit.HOURS); |
| } catch (final InterruptedException e) { |
| Thread.interrupted(); |
| } |
| } |
| } |