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

622 lines
20 KiB
Java

/*
* Copyright 2023-2025 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.bld.operations.AbstractOperation;
import rife.bld.operations.exceptions.ExitStatusException;
import rife.tools.FileUtils;
import rife.tools.exceptions.FileUtilsErrorException;
import java.io.File;
import java.io.IOException;
import java.io.PrintWriter;
import java.io.StringWriter;
import java.nio.file.Files;
import java.nio.file.Path;
import java.text.MessageFormat;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;
import java.util.logging.Level;
import java.util.logging.Logger;
import java.util.spi.ToolProvider;
/**
* Implements common methods used by Spring Boot operations, such as {@link BootJarOperation} and
* {@link BootWarOperation}.
*
* @param <T> the type parameter
* @author <a href="https://erik.thauvin.net/">Erik C. Thauvin</a>
* @since 1.0
*/
public abstract class AbstractBootOperation<T extends AbstractBootOperation<T>>
extends AbstractOperation<AbstractBootOperation<T>> {
private static final Logger LOGGER = Logger.getLogger(AbstractBootOperation.class.getName());
private final Collection<File> infLibs_ = new ArrayList<>();
private final Collection<File> launcherLibs_ = new ArrayList<>();
private final Map<String, String> manifestAttributes_ = new ConcurrentHashMap<>();
private final Collection<File> sourceDirectories_ = new ArrayList<>();
private File destinationDirectory_;
private String destinationFileName_;
private String launcherClass_;
private String mainClass_;
/**
* Retrieves the destination directory in which the archive will be created.
*
* @return the destination directory
*/
public File destinationDirectory() {
return destinationDirectory_;
}
/**
* Provides the destination directory in which the archive will be created.
*
* @param directory the destination directory
* @return this operation instance
* @throws IOException if an error occurs
*/
public T destinationDirectory(File directory) throws IOException {
destinationDirectory_ = directory;
BootUtils.mkDirs(destinationDirectory_);
//noinspection unchecked
return (T) this;
}
/**
* Provides the destination directory in which the archive will be created.
*
* @param directory the destination directory
* @return this operation instance
* @throws IOException if an error occurs
*/
public T destinationDirectory(String directory) throws IOException {
return destinationDirectory(new File(directory));
}
/**
* Provides the destination directory in which the archive will be created.
*
* @param directory the destination directory
* @return this operation instance
* @throws IOException if an error occurs
*/
public T destinationDirectory(Path directory) throws IOException {
return destinationDirectory(directory.toFile());
}
/**
* Provides the file name that will be used for the archive creation.
*
* @param name the archive file name
* @return this operation instance
*/
public T destinationFileName(String name) {
destinationFileName_ = name;
//noinspection unchecked
return (T) this;
}
/**
* Retrieves the file name that will be used for the archive creation.
*
* @return the archive file name
*/
public String destinationFileName() {
return destinationFileName_;
}
/**
* Part of the {@link #execute execute} operation, copies the Spring Boot loader launcher archive content to the
* staging directory.
*
* @param stagingDirectory the staging directory
* @throws FileUtilsErrorException if an error occurs
*/
protected void executeCopyBootLoader(File stagingDirectory) throws FileUtilsErrorException, ExitStatusException {
if (launcherLibs_.isEmpty()) {
if (LOGGER.isLoggable(Level.SEVERE) && !silent()) {
LOGGER.severe("Spring Boot loader launcher required.");
}
throw new ExitStatusException(ExitStatusException.EXIT_FAILURE);
} else {
var meta_inf_dir = new File(stagingDirectory, "META-INF");
for (var jar : launcherLibs()) {
if (jar.exists()) {
FileUtils.unzipFile(jar, stagingDirectory);
if (meta_inf_dir.exists()) {
FileUtils.deleteDirectory(meta_inf_dir);
}
} else if (LOGGER.isLoggable(Level.WARNING) && !silent()) {
LOGGER.warning("File not found: " + jar.getAbsolutePath());
}
}
}
}
/**
* Part of the {@link #execute execute} operation, copies the {@code BOOT-INF} or {@code WEB-INF} classes.
*
* @param stagingInfDirectory Tte staging {@code INF} directory
* @throws IOException if an error occurs
*/
protected void executeCopyInfClassesFiles(File stagingInfDirectory) throws IOException {
var inf_classes_dir = new File(stagingInfDirectory, "classes");
BootUtils.mkDirs(inf_classes_dir);
for (var dir : sourceDirectories_) {
if (dir.exists()) {
FileUtils.copyDirectory(dir, inf_classes_dir);
} else if (LOGGER.isLoggable(Level.WARNING) && !silent()) {
LOGGER.warning("Directory not found: " + dir.getAbsolutePath());
}
}
}
/**
* Part of the {@link #execute execute} operation, copies the {@code BOOT-INF} or (@code WEB-INF) libs.
*
* @param stagingInfDirectory the staging {@code INF} directory
* @throws IOException if an error occurs
*/
protected void executeCopyInfLibs(File stagingInfDirectory) throws IOException {
var inf_lib_dir = new File(stagingInfDirectory, "lib");
BootUtils.mkDirs(inf_lib_dir);
for (var jar : infLibs_) {
if (jar.exists()) {
Files.copy(jar.toPath(), inf_lib_dir.toPath().resolve(jar.getName()));
} else if (LOGGER.isLoggable(Level.WARNING) && !silent()) {
LOGGER.warning("File not found: " + jar.getAbsolutePath());
}
}
}
/**
* Part of the {@link #execute execute} operation, creates the archive from the staging directory.
*
* @param stagingDirectory the staging directory
* @return the archive
* @throws IOException if an error occurs
*/
protected File executeCreateArchive(File stagingDirectory) throws IOException {
executeCreateManifest(stagingDirectory);
if (LOGGER.isLoggable(Level.FINE) && (!silent())) {
LOGGER.fine(MessageFormat.format("""
\tStaging -> {0} [exists={1}]
\tDestination -> {2} [exists={3}]
\tArchive -> {4}
\tLauncher -> {5}""",
stagingDirectory, stagingDirectory.exists(),
destinationDirectory(), destinationDirectory().exists(),
destinationFileName(),
launcherClass()));
}
var out = new StringWriter();
var stdout = new PrintWriter(out);
var err = new StringWriter();
var stderr = new PrintWriter(err);
var jarTool = ToolProvider.findFirst("jar").orElseThrow();
String args;
if (LOGGER.isLoggable(Level.FINER) && !silent()) {
args = "-0cMvf";
} else {
args = "-0cMf";
}
var archive = new File(destinationDirectory(), destinationFileName());
jarTool.run(stdout, stderr, args, archive.getAbsolutePath(), "-C", stagingDirectory.getAbsolutePath(), ".");
var errBuff = err.getBuffer();
if (!errBuff.isEmpty()) {
throw new IOException(errBuff.toString());
} else {
var outBuff = out.getBuffer();
if (!outBuff.isEmpty() && LOGGER.isLoggable(Level.INFO) && !silent()) {
LOGGER.info(outBuff.toString());
}
}
return archive;
}
/**
* Part of the {@link #execute execute} operation, creates the manifest for the archive.
*
* @param stagingDirectory the staging directory
* @throws IOException if an error occurs
*/
protected void executeCreateManifest(File stagingDirectory) throws IOException {
var meta_inf_dir = new File(stagingDirectory, "META-INF");
BootUtils.mkDirs(meta_inf_dir);
var manifest = new File(meta_inf_dir, "MANIFEST.MF").toPath();
try (var fileWriter = Files.newBufferedWriter(manifest)) {
for (var set : manifestAttributes_.entrySet()) {
fileWriter.write(set.getKey() + ": " + set.getValue() + System.lineSeparator());
}
}
}
/**
* Configures the operation from a {@link Project}.
*
* @param project the project
* @return this operation instance
* @throws IOException if an error occurs
*/
public abstract T fromProject(Project project) throws IOException;
/**
* Provides the libraries that will be stored in {@code BOOT-INF} or {@code WEB-INF}.
*
* @param jars a collection of Java archive files
* @return this operation instance
* @see #infLibs(File...)
*/
public T infLibs(Collection<File> jars) {
infLibs_.addAll(jars);
//noinspection unchecked
return (T) this;
}
/**
* Provides the libraries that will be stored in {@code BOOT-INF} or {@code WEB-INF}.
*
* @param jars one or more Java archive files
* @return this operation instance
* @see #infLibs(Collection)
*/
public T infLibs(File... jars) {
return infLibs(List.of(jars));
}
/**
* Provides the libraries that will be stored in {@code BOOT-INF} or {@code WEB-INF}.
*
* @param jars one or more Java archive files
* @return this operation instance
* @see #infLibsPaths(Collection)
*/
public T infLibs(Path... jars) {
return infLibsPaths(List.of(jars));
}
/**
* Provides the libraries that will be stored in {@code BOOT-INF} or {@code WEB-INF}.
*
* @param jars one or more Java archive files
* @return this operation instance
* @see #infLibsStrings(Collection)
*/
public T infLibs(String... jars) {
return infLibsStrings(List.of(jars));
}
/**
* Retrieves the libraries in {@code BOOT-INF} or {@code WEB-INF}.
*
* @return the Java archives
*/
public Collection<File> infLibs() {
return infLibs_;
}
/**
* Provides the libraries that will be stored in {@code BOOT-INF} or {@code WEB-INF}.
*
* @param jars one or more Java archive files
* @return this operation instance
* @see #infLibs(Path...)
*/
public T infLibsPaths(Collection<Path> jars) {
return infLibs(jars.stream().map(Path::toFile).toList());
}
/**
* Provides the libraries that will be stored in {@code BOOT-INF} or {@code WEB-INF}.
*
* @param jars one or more Java archive files
* @return this operation instance
* @see #infLibs(String...)
*/
public T infLibsStrings(Collection<String> jars) {
return infLibs(jars.stream().map(File::new).toList());
}
/**
* Provides the Spring Boot loader launcher fully-qualified class name.
* <p>
* For examples:
* <ul>
* <li>{@code org.springframework.boot.loader.JarLauncher}</li>
* <li>{@code org.springframework.boot.loader.PropertiesLauncher}</li>
* <li>{@code org.springframework.boot.loader.WarLauncher}</li>
* </ul>
*
* @param className the launcher class name
* @return this operation instance
*/
public T launcherClass(String className) {
launcherClass_ = className;
//noinspection unchecked
return (T) this;
}
/**
* Retrieves the Spring Boot loader launcher fully-qualified class name.
*
* @return the launcher class name
*/
protected String launcherClass() {
if (launcherClass_ == null) {
throw new IllegalArgumentException("Spring boot loader launcher class required.");
}
return launcherClass_;
}
/**
* Retrieves the Spring Boot loader launcher libraries.
*
* @return the Java archives
*/
public Collection<File> launcherLibs() {
return launcherLibs_;
}
/**
* Provides the libraries for the Spring Boot loader launcher.
*
* @param jars a collection of Java archives
* @return this operation instance
* @throws IOException if a JAR could not be found
* @see #infLibs(File...)
*/
public T launcherLibs(Collection<File> jars) throws IOException {
for (var j : jars) {
if (j.exists()) {
launcherLibs_.add(j);
} else {
throw new IOException("Spring Boot loader launcher library not found: " + j);
}
}
//noinspection unchecked
return (T) this;
}
/**
* Provides the libraries for the Spring Boot loader launcher.
*
* @param jars one or more Java archives
* @return this operation instance
* @throws IOException if a JAR could not be found
* @see #infLibs(Collection)
*/
public T launcherLibs(File... jars) throws IOException {
return launcherLibs(List.of(jars));
}
/**
* Provides the libraries for the Spring Boot loader launcher.
*
* @param jars one or more Java archives
* @return this operation instance
* @throws IOException if a JAR could not be found
* @see #launcherLibsStrings(Collection)
*/
public T launcherLibs(String... jars) throws IOException {
return launcherLibsStrings(List.of(jars));
}
/**
* Provides the libraries for the Spring Boot loader launcher.
*
* @param jars one or more Java archives
* @return this operation instance
* @throws IOException if a JAR could not be found
* @see #launcherLibsPaths(Collection)
*/
public T launcherLibs(Path... jars) throws IOException {
return launcherLibsPaths(List.of(jars));
}
/**
* Provides the libraries for the Spring Boot loader launcher.
*
* @param jars one or more Java archives
* @return this operation instance
* @throws IOException if a JAR could not be found
* @see #launcherLibs(Path...)
*/
public T launcherLibsPaths(Collection<Path> jars) throws IOException {
return launcherLibs(jars.stream().map(Path::toFile).toList());
}
/**
* Provides the libraries for the Spring Boot loader launcher.
*
* @param jars one or more Java archives
* @return this operation instance
* @throws IOException if a JAR could not be found
* @see #launcherLibs(String...)
*/
public T launcherLibsStrings(Collection<String> jars) throws IOException {
return launcherLibs(jars.stream().map(File::new).toList());
}
/**
* Provides the fully-qualified main class name.
*
* @param className the class name
* @return this operation instance
*/
protected T mainClass(String className) {
mainClass_ = className;
//noinspection unchecked
return (T) this;
}
/**
* Retrieves the main class name.
*
* @return the class name
*/
public String mainClass() {
return mainClass_;
}
/**
* Provides an attribute to put in the archive manifest.
*
* @param name the attribute name
* @param value the attribute value
* @return this operation instance
*/
public T manifestAttribute(String name, String value) {
manifestAttributes_.put(name, value);
//noinspection unchecked
return (T) this;
}
/**
* Retrieves the attributes that will be put in the archive manifest.
*
* @return the manifest attributes
*/
public Map<String, String> manifestAttributes() {
return manifestAttributes_;
}
/**
* Provides a map of attributes to put in the archive manifest.
*
* @param attributes the manifest attributes
* @return this operation instance
* @see #manifestAttribute(String, String)
*/
public T manifestAttributes(Map<String, String> attributes) {
manifestAttributes_.putAll(attributes);
//noinspection unchecked
return (T) this;
}
/**
* Provides source directories that will be used for the archive creation.
*
* @param directories one or more source directories
* @return this operation instance
* @see #sourceDirectories(File...)
*/
public T sourceDirectories(Collection<File> directories) {
sourceDirectories_.addAll(directories);
//noinspection unchecked
return (T) this;
}
/**
* Provides source directories that will be used for the archive creation.
*
* @param directories one or more source directories
* @return this operation instance
* @see #sourceDirectories(Collection)
*/
public T sourceDirectories(File... directories) {
return sourceDirectories(List.of(directories));
}
/**
* Provides source directories that will be used for the archive creation.
*
* @param directories one or more source directories
* @return this operation instance
* @see #sourceDirectoriesStrings(Collection)
*/
public T sourceDirectories(String... directories) {
return sourceDirectoriesStrings(List.of(directories));
}
/**
* Provides source directories that will be used for the archive creation.
*
* @param directories one or more source directories
* @return this operation instance
* @see #sourceDirectoriesPaths(Collection)
*/
public T sourceDirectories(Path... directories) {
return sourceDirectoriesPaths(List.of(directories));
}
/**
* Retrieves the source directories that will be used for the archive creation.
*
* @return the source directories
*/
public Collection<File> sourceDirectories() {
return sourceDirectories_;
}
/**
* Provides source directories that will be used for the archive creation.
*
* @param directories one or more source directories
* @return this operation instance
* @see #sourceDirectories(Path...)
*/
public T sourceDirectoriesPaths(Collection<Path> directories) {
return sourceDirectories(directories.stream().map(Path::toFile).toList());
}
/**
* Provides source directories that will be used for the archive creation.
*
* @param directories one or more source directories
* @return this operation instance
* @see #sourceDirectories(String...)
*/
public T sourceDirectoriesStrings(Collection<String> directories) {
return sourceDirectories(directories.stream().map(File::new).toList());
}
/**
* Verifies that all the elements ({@link #mainClass() mainClass}, {@link #launcherClass() launcherClass} and
* {@link #launcherLibs() launcherLibs}) required to create the archive have been provided, throws an
* {@link IllegalArgumentException} otherwise.
*
* @return {@code true} or an {@link IllegalArgumentException}
* @throws IllegalArgumentException if an error occurs
*/
@SuppressWarnings("SameReturnValue")
protected boolean verifyExecute() throws IllegalArgumentException {
if (mainClass() == null) {
throw new IllegalArgumentException("Project mainClass required.");
} else if (launcherClass().isEmpty()) {
throw new IllegalArgumentException(("Spring Boot loader launcher class required."));
} else if (launcherLibs().isEmpty()) {
throw new IllegalArgumentException(("Spring Boot loader launcher libraries required."));
}
return true;
}
}