bld-spring-boot/src/main/java/rife/bld/extension/BootJarOperation.java

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3.5 KiB
Java

/*
* Copyright 2023 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 rife.bld.extension;
import rife.bld.Project;
import rife.tools.FileUtils;
import java.io.File;
import java.io.IOException;
import java.nio.file.Files;
import java.util.List;
import java.util.logging.Level;
import java.util.logging.Logger;
/**
* Builds and creates a Spring Boot executable Java archive (JAR).
*
* @author <a href="https://erik.thauvin.net/">Erik C. Thauvin</a>
* @since 1.0
*/
public class BootJarOperation extends AbstractBootOperation<BootJarOperation> {
private static final Logger LOGGER = Logger.getLogger(BootJarOperation.class.getName());
/**
* Performs the BootJar operation.
*/
@Override
public void execute() throws Exception {
verifyExecute();
var staging_dir = Files.createTempDirectory("bootjar").toFile();
try {
var boot_inf_dir = executeCreateBootInfDirectory(staging_dir);
executeCopyInfClassesFiles(boot_inf_dir);
executeCopyInfLibs(boot_inf_dir);
executeCopyBootLoader(staging_dir);
var archive = executeCreateArchive(staging_dir);
if (!silent() && LOGGER.isLoggable(Level.INFO)) {
LOGGER.info(String.format("The executable JAR was created: %s (%s)", archive.getAbsolutePath(),
fileSize(archive)));
}
} finally {
FileUtils.deleteDirectory(staging_dir);
}
}
/**
* Part of the {@link #execute} operation, creates the {@code BOOT-INF} staging directory.
*
* @param stagingDirectory the staging directory
* @return the {@code BOOT-INF} directory location
*/
protected File executeCreateBootInfDirectory(File stagingDirectory) throws IOException {
var boot_inf = new File(stagingDirectory, "BOOT-INF");
mkDirs(boot_inf);
return boot_inf;
}
/**
* Configures the operation from a {@link Project}.
*
* @param project the project
* @return this operation instance
*/
public BootJarOperation fromProject(Project project) throws IOException {
mainClass(project.mainClass());
return destinationDirectory(project.buildDistDirectory())
.destinationFileName(project.archiveBaseName() + "-" + project.version() + "-boot.jar")
.infLibs(project.compileClasspathJars())
.infLibs(project.runtimeClasspathJars())
.launcherClass("org.springframework.boot.loader.JarLauncher")
.launcherLibs(project.standaloneClasspathJars())
.manifestAttributes(
List.of(
new BootManifestAttribute("Manifest-Version", "1.0"),
new BootManifestAttribute("Main-Class", launcherClass()),
new BootManifestAttribute("Start-Class", mainClass()))
)
.sourceDirectories(project.buildMainDirectory(), project.srcMainResourcesDirectory());
}
}