io.spring.initializr.generator.project.DefaultProjectAssetGenerator Maven / Gradle / Ivy
/*
* Copyright 2012-2019 the original author or authors.
*
* Licensed 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
*
* https://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 io.spring.initializr.generator.project;
import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Path;
import java.util.List;
import java.util.stream.Collectors;
import io.spring.initializr.generator.project.contributor.ProjectContributor;
/**
* A default {@link ProjectAssetGenerator} implementation that generates a directory
* structure with all available {@link ProjectContributor project contributors}. Uses a
* {@link ProjectDirectoryFactory} to determine the root directory to use based on a
* {@link ProjectDescription}.
*
* @author Stephane Nicoll
*/
public class DefaultProjectAssetGenerator implements ProjectAssetGenerator {
private final ProjectDirectoryFactory projectDirectoryFactory;
/**
* Create a new instance with the {@link ProjectDirectoryFactory} to use.
* @param projectDirectoryFactory the project directory factory to use
*/
public DefaultProjectAssetGenerator(ProjectDirectoryFactory projectDirectoryFactory) {
this.projectDirectoryFactory = projectDirectoryFactory;
}
/**
* Create a new instance without an explicit {@link ProjectDirectoryFactory}. A bean
* of that type is expected to be available in the context.
*/
public DefaultProjectAssetGenerator() {
this(null);
}
@Override
public Path generate(ProjectGenerationContext context) throws IOException {
ProjectDescription description = context.getBean(ProjectDescription.class);
Path projectRoot = resolveProjectDirectoryFactory(context).createProjectDirectory(description);
Path projectDirectory = initializerProjectDirectory(projectRoot, description);
List contributors = context.getBeanProvider(ProjectContributor.class).orderedStream()
.collect(Collectors.toList());
for (ProjectContributor contributor : contributors) {
contributor.contribute(projectDirectory);
}
return projectRoot;
}
private ProjectDirectoryFactory resolveProjectDirectoryFactory(ProjectGenerationContext context) {
return (this.projectDirectoryFactory != null) ? this.projectDirectoryFactory
: context.getBean(ProjectDirectoryFactory.class);
}
private Path initializerProjectDirectory(Path rootDir, ProjectDescription description) throws IOException {
Path projectDirectory = resolveProjectDirectory(rootDir, description);
Files.createDirectories(projectDirectory);
return projectDirectory;
}
private Path resolveProjectDirectory(Path rootDir, ProjectDescription description) {
if (description.getBaseDirectory() != null) {
return rootDir.resolve(description.getBaseDirectory());
}
return rootDir;
}
}