| /* |
| * 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.freemarker.generator.maven; |
| |
| import freemarker.template.Configuration; |
| import org.apache.maven.execution.MavenSession; |
| |
| import java.nio.file.FileVisitResult; |
| import java.nio.file.Path; |
| import java.nio.file.SimpleFileVisitor; |
| import java.nio.file.attribute.BasicFileAttributes; |
| import java.util.Map; |
| |
| /** |
| * FileVisitor designed to process json data files. The json file parsed into |
| * a map and given to FreeMarker to |
| */ |
| public class GeneratingFileVisitor extends SimpleFileVisitor<Path> { |
| |
| private final Configuration config; |
| private final MavenSession session; |
| private final long pomLastModifiedTimestamp; |
| private final Map<String, OutputGeneratorPropertiesProvider> extensionToBuilder; |
| |
| private GeneratingFileVisitor(Configuration config, MavenSession session, Map<String, OutputGeneratorPropertiesProvider> extensionToBuilder) { |
| this.config = config; |
| this.session = session; |
| this.extensionToBuilder = extensionToBuilder; |
| this.pomLastModifiedTimestamp = session.getAllProjects().stream() |
| .map(project -> project.getFile().lastModified()) |
| .reduce(Long::max) |
| .orElse(0L); |
| } |
| |
| /** |
| * Factory method that calls constructor, added to facilitate testing with jmockit. |
| */ |
| public static GeneratingFileVisitor create(Configuration config, MavenSession session, Map<String, OutputGeneratorPropertiesProvider> extensionToBuilder) { |
| return new GeneratingFileVisitor(config, session, extensionToBuilder); |
| } |
| |
| @Override |
| public FileVisitResult visitFile(Path path, BasicFileAttributes attrs) { |
| if (attrs.isRegularFile()) { |
| final OutputGenerator.OutputGeneratorBuilder builder = OutputGenerator.builder() |
| .addGeneratorLocation(path) |
| .addPomLastModifiedTimestamp(pomLastModifiedTimestamp); |
| final String fileName = path.getFileName().toString(); |
| final String extenstion = fileName.substring(fileName.lastIndexOf('.')); |
| final OutputGeneratorPropertiesProvider pathProcessor = extensionToBuilder.get(extenstion); |
| if (pathProcessor == null) { |
| throw new RuntimeException("Unknown file extension: " + path); |
| } |
| pathProcessor.providePropertiesFromFile(path, builder); |
| builder.addToDataModel("session", session); |
| builder.addToDataModel("pomProperties", session.getCurrentProject().getProperties()); |
| builder.create().generate(config); |
| } |
| return FileVisitResult.CONTINUE; |
| } |
| } |