woggioni/envelope
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project renamed envelope

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This commit is contained in:
Walter Oggioni
2021-09-25 21:08:21 +02:00
parent 9f085af24a
commit 5aea49219f
17 changed files with 39 additions and 384 deletions
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6
launcher/build.gradle
View File

@@ -4,7 +4,7 @@ plugins {
id "net.woggioni.gradle.multi-release-jar"
}
ext.setProperty("jpms.module.name", "net.woggioni.executable.jar")
ext.setProperty("jpms.module.name", "net.woggioni.envelope")
configurations {
embedded
@@ -30,7 +30,7 @@ tasks.withType(JavaCompile).configureEach {
jar {
manifest {
attributes([
(Attributes.Name.SPECIFICATION_TITLE) : "executable-jar-launcher",
(Attributes.Name.SPECIFICATION_TITLE) : "envelope-launcher",
(Attributes.Name.SEALED) : true
].collectEntries {
[it.key.toString(), it.value.toString()]
@@ -57,6 +57,6 @@ tasks.register("tar", Tar) {
tasks.named(JavaPlugin.COMPILE_JAVA_TASK_NAME, JavaCompile) {
doFirst {
String path = project(":common").extensions.getByType(JavaPluginExtension).sourceSets.named("main").get().output.asPath
options.compilerArgs.addAll(["--patch-module", "net.woggioni.executable.jar=$path"])
options.compilerArgs.addAll(["--patch-module", "net.woggioni.envelope=$path"])
}
}

2
launcher/src/main/java/net/woggioni/executable/jar/JavaAgentLauncher.java → launcher/src/main/java/net/woggioni/envelope/JavaAgentLauncher.java
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@@ -1,4 +1,4 @@
package net.woggioni.executable.jar;
package net.woggioni.envelope;
import java.io.InputStream;
import java.lang.instrument.Instrumentation;

2
launcher/src/main/java/net/woggioni/executable/jar/Launcher.java → launcher/src/main/java/net/woggioni/envelope/Launcher.java
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@@ -1,4 +1,4 @@
package net.woggioni.executable.jar;
package net.woggioni.envelope;
import java.io.InputStream;
import java.lang.reflect.Method;

2
launcher/src/main/java/net/woggioni/executable/jar/MainClassLoader.java → launcher/src/main/java/net/woggioni/envelope/MainClassLoader.java
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@@ -1,4 +1,4 @@
package net.woggioni.executable.jar;
package net.woggioni.envelope;
import java.nio.file.Path;
import lombok.SneakyThrows;

190
launcher/src/main/java/net/woggioni/executable/jar/PathClassLoader.java
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@@ -1,190 +0,0 @@
package net.woggioni.executable.jar;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.net.URL;
import java.net.URLConnection;
import java.net.URLStreamHandler;
import java.nio.file.FileSystem;
import java.nio.file.FileSystems;
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.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.Enumeration;
import java.util.List;
import lombok.AccessLevel;
import lombok.NoArgsConstructor;
import lombok.SneakyThrows;
/**
* A classloader that loads classes from a {@link Path} instance
*/
public final class PathClassLoader extends ClassLoader {
private final Iterable<Path> paths;
static {
registerAsParallelCapable();
}
public PathClassLoader(Path ...path) {
this(Arrays.asList(path), null);
}
public PathClassLoader(Iterable<Path> paths) {
this(paths, null);
}
public PathClassLoader(Iterable<Path> paths, ClassLoader parent) {
super(parent);
this.paths = paths;
}
@Override
@SneakyThrows
protected Class<?> findClass(String name) {
String resource = name.replace('.', '/').concat(".class");
for(Path path : paths) {
Path classPath = path.resolve(resource);
if (Files.exists(classPath)) {
byte[] byteCode = Files.readAllBytes(classPath);
return defineClass(name, byteCode, 0, byteCode.length);
}
}
throw new ClassNotFoundException(name);
}
@Override
@SneakyThrows
protected URL findResource(String name) {
for(Path path : paths) {
Path resolved = path.resolve(name);
if (Files.exists(resolved)) {
return toURL(resolved);
}
}
return null;
}
@Override
protected Enumeration<URL> findResources(final String name) throws IOException {
final List<URL> resources = new ArrayList<>(1);
for(Path path : paths) {
Files.walkFileTree(path, new SimpleFileVisitor<Path>() {
@Override
public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException {
if (!name.isEmpty()) {
this.addIfMatches(resources, file);
}
return super.visitFile(file, attrs);
}
@Override
public FileVisitResult preVisitDirectory(Path dir, BasicFileAttributes attrs) throws IOException {
if (!name.isEmpty() || path.equals(dir)) {
this.addIfMatches(resources, dir);
}
return super.preVisitDirectory(dir, attrs);
}
void addIfMatches(List<URL> resources, Path file) throws IOException {
if (path.relativize(file).toString().equals(name)) {
resources.add(toURL(file));
}
}
});
}
return Collections.enumeration(resources);
}
private static URL toURL(Path path) throws IOException {
return new URL(null, path.toUri().toString(), PathURLStreamHandler.INSTANCE);
}
private static final class PathURLConnection extends URLConnection {
private final Path path;
PathURLConnection(URL url, Path path) {
super(url);
this.path = path;
}
@Override
public void connect() {}
@Override
public long getContentLengthLong() {
try {
return Files.size(this.path);
} catch (IOException e) {
throw new RuntimeException("could not get size of: " + this.path, e);
}
}
@Override
public InputStream getInputStream() throws IOException {
return Files.newInputStream(this.path);
}
@Override
public OutputStream getOutputStream() throws IOException {
return Files.newOutputStream(this.path);
}
@Override
@SneakyThrows
public String getContentType() {
return Files.probeContentType(this.path);
}
@Override
@SneakyThrows
public long getLastModified() {
BasicFileAttributes attributes = Files.readAttributes(this.path, BasicFileAttributes.class);
return attributes.lastModifiedTime().toMillis();
}
}
@NoArgsConstructor(access = AccessLevel.PRIVATE)
private static final class PathURLStreamHandler extends URLStreamHandler {
static final URLStreamHandler INSTANCE = new PathURLStreamHandler();
@Override
@SneakyThrows
protected URLConnection openConnection(URL url) {
List<String> stack = new ArrayList<>();
URL currentURL = url;
while(true) {
String file = currentURL.getFile();
int exclamationMark = file.lastIndexOf('!');
if(exclamationMark != -1) {
stack.add(file.substring(exclamationMark + 1));
currentURL = new URL(file.substring(0, exclamationMark));
} else {
stack.add(file);
break;
}
}
Path path;
FileSystem fs = FileSystems.getDefault();
while(true) {
String pathString = stack.remove(stack.size() - 1);
path = fs.getPath(pathString);
if(stack.isEmpty()) break;
else {
fs = FileSystems.newFileSystem(path, null);
}
}
return new PathURLConnection(url, path);
}
}
}

2
launcher/src/main/java9/module-info.java
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@@ -1,4 +1,4 @@
module net.woggioni.executable.jar {
module net.woggioni.envelope {
requires java.logging;
requires static lombok;
requires net.woggioni.xclassloader;

2
launcher/src/main/java9/net/woggioni/executable/jar/MainClassLoader.java → launcher/src/main/java9/net/woggioni/envelope/MainClassLoader.java
View File

@@ -1,4 +1,4 @@
package net.woggioni.executable.jar;
package net.woggioni.envelope;
import java.lang.module.Configuration;
import java.lang.module.ModuleFinder;

149
launcher/src/test/java/net/woggioni/executable/jar/FooTest.java
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@@ -1,149 +0,0 @@
package net.woggioni.executable.jar;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.net.URI;
import java.net.URL;
import java.net.URLConnection;
import java.net.URLStreamHandler;
import java.nio.file.FileSystem;
import java.nio.file.FileSystems;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.nio.file.attribute.BasicFileAttributes;
import java.util.HashMap;
import java.util.List;
import java.util.function.Function;
import java.util.stream.Collectors;
import java.util.stream.Stream;
import java.util.stream.StreamSupport;
import lombok.AccessLevel;
import lombok.NoArgsConstructor;
import lombok.SneakyThrows;
import org.gradle.internal.impldep.org.junit.Ignore;
import org.junit.jupiter.api.Test;
public class FooTest {
@Test
@SneakyThrows
void foo() {
Path.of(new URI("jar:file:///home/woggioni/code/wson/benchmark/build/libs/benchmark-executable-1.0.jar"));
}
@Test
@SneakyThrows
void foo2() {
Path p = Path.of(new URI("file:///home/woggioni/code/wson/benchmark/build/libs/benchmark-executable-1.0.jar"));
FileSystem fs = FileSystems.newFileSystem(p, null);
StreamSupport.stream(fs.getRootDirectories().spliterator(), false).flatMap(new Function<Path, Stream<?>>() {
@Override
@SneakyThrows
public Stream<?> apply(Path path) {
return Files.list(path);
}
}).forEach(r -> {
System.out.println(r);
});
}
@Test
@SneakyThrows
void test() {
Path fatJar = Path.of("/home/woggioni/code/wson/benchmark/build/libs/benchmark-executable-1.0.jar");
List<Path> jars = StreamSupport.stream(FileSystems.newFileSystem(fatJar, null).getRootDirectories().spliterator(), false)
.flatMap(new Function<Path, Stream<? extends Path>>() {
@Override
@SneakyThrows
public Stream<? extends Path> apply(Path root) {
Path libDir = root.resolve("/LIB-INF");
if (Files.exists(libDir) && Files.isDirectory(libDir)) {
return Files.list(libDir);
} else {
return Stream.empty();
}
}
}).flatMap(new Function<Path, Stream<Path>>() {
@Override
@SneakyThrows
public Stream<Path> apply(Path path) {
return StreamSupport.stream(FileSystems.newFileSystem(path, null).getRootDirectories().spliterator(), false);
}
}).collect(Collectors.toList());
PathClassLoader p = new PathClassLoader(jars.toArray(new Path[jars.size()]));
Class<?> cl = p.loadClass("net.woggioni.wson.serialization.binary.JBONParser");
System.out.println(cl);
URL resource = p.findResource("citylots.json.xz");
resource.openStream();
}
@Test
@Ignore
@SneakyThrows
void test2() {
FileSystem fs = FileSystems.newFileSystem(new URI("jar:file:/home/woggioni/code/wson/benchmark/build/libs/benchmark-executable-1.0.jar"), new HashMap<>());
String s = "jar:jar:file:///home/woggioni/code/wson/benchmark/build/libs/benchmark-executable-1.0.jar!/LIB-INF/wson-test-utils-1.0.jar!/citylots.json.xz";
URI uri = new URI(s);
Files.list(Path.of(uri)).forEach(System.out::println);
}
private static final class PathURLConnection extends URLConnection {
private final Path path;
PathURLConnection(URL url, Path path) {
super(url);
this.path = path;
}
@Override
public void connect() {}
@Override
public long getContentLengthLong() {
try {
return Files.size(this.path);
} catch (IOException e) {
throw new RuntimeException("could not get size of: " + this.path, e);
}
}
@Override
public InputStream getInputStream() throws IOException {
return Files.newInputStream(this.path);
}
@Override
public OutputStream getOutputStream() throws IOException {
return Files.newOutputStream(this.path);
}
@Override
@SneakyThrows
public String getContentType() {
return Files.probeContentType(this.path);
}
@Override
@SneakyThrows
public long getLastModified() {
BasicFileAttributes attributes = Files.readAttributes(this.path, BasicFileAttributes.class);
return attributes.lastModifiedTime().toMillis();
}
}
@NoArgsConstructor(access = AccessLevel.PRIVATE)
private static final class PathURLStreamHandler extends URLStreamHandler {
static final URLStreamHandler INSTANCE = new PathURLStreamHandler();
@Override
@SneakyThrows
protected URLConnection openConnection(URL url) {
URI uri = url.toURI();
Path path = Paths.get(uri);
return new PathURLConnection(url, path);
}
}
}