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org.apidesign.bck2brwsr.mojo.AOTLibrary Maven / Gradle / Ivy
/**
* Back 2 Browser Bytecode Translator
* Copyright (C) 2012-2017 Jaroslav Tulach
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, version 2 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. Look for COPYING file in the top folder.
* If not, see http://opensource.org/licenses/GPL-2.0.
*/
package org.apidesign.bck2brwsr.mojo;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.OutputStreamWriter;
import java.io.Writer;
import java.net.MalformedURLException;
import java.net.URL;
import java.net.URLClassLoader;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
import java.util.jar.Attributes;
import java.util.jar.JarEntry;
import java.util.jar.JarFile;
import java.util.jar.JarOutputStream;
import java.util.jar.Manifest;
import org.apache.maven.artifact.Artifact;
import org.apache.maven.plugin.AbstractMojo;
import org.apache.maven.plugin.MojoExecutionException;
import org.apache.maven.plugin.MojoFailureException;
import org.apache.maven.plugins.annotations.Component;
import org.apache.maven.plugins.annotations.LifecyclePhase;
import org.apache.maven.plugins.annotations.Mojo;
import org.apache.maven.plugins.annotations.Parameter;
import org.apache.maven.plugins.annotations.ResolutionScope;
import org.apache.maven.project.MavenProject;
import org.apache.maven.project.MavenProjectHelper;
import org.apidesign.bck2brwsr.aot.Bck2BrwsrJars;
import org.apidesign.vm4brwsr.Bck2Brwsr;
import org.apidesign.vm4brwsr.ObfuscationLevel;
/**
*
* @author Jaroslav Tulach
* @since 0.12
*/
@Mojo(name = "library",
requiresDependencyResolution = ResolutionScope.COMPILE_PLUS_RUNTIME,
defaultPhase = LifecyclePhase.PACKAGE
)
public class AOTLibrary extends AbstractMojo {
@Parameter(defaultValue = "${project}")
private MavenProject prj;
@Component
private MavenProjectHelper projectHelper;
@Parameter(defaultValue = "${project.build.directory}/${project.build.finalName}.jar")
private File mainJar;
@Parameter(defaultValue = "${project.build.finalName}-min.js")
private String minified;
@Parameter(defaultValue = "${project.build.finalName}-debug.js")
private String debug;
@Parameter(defaultValue = "${project.build.directory}/${project.build.finalName}-bck2brwsr.jar")
private File aotJar;
@Parameter
private String[] exports;
@Parameter
private String[] aotDeps;
@Parameter(defaultValue = "true")
private boolean ignoreBootClassPath;
/**
* The obfuscation level for the generated minified JavaScript file.
* @since 0.5
*/
@Parameter(defaultValue = "FULL")
private ObfuscationLevel obfuscation;
@Override
public void execute() throws MojoExecutionException, MojoFailureException {
URLClassLoader loader;
try {
loader = buildClassLoader(mainJar, prj.getArtifacts());
} catch (MalformedURLException ex) {
throw new MojoFailureException("Can't initialize classloader");
}
try {
Manifest m = new Manifest();
if (!"false".equals(minified)) {
Attributes attr = new Attributes();
attr.putValue("Bck2BrwsrArtifactId", prj.getArtifactId());
attr.putValue("Bck2BrwsrGroupId", prj.getGroupId());
attr.putValue("Bck2BrwsrVersion", prj.getVersion());
attr.putValue("Bck2BrwsrMinified", "true");
bundleName(attr, mainJar);
m.getEntries().put(minified, attr);
}
if (!"false".equals(debug)) {
Attributes attr = new Attributes();
attr.putValue("Bck2BrwsrArtifactId", prj.getArtifactId());
attr.putValue("Bck2BrwsrGroupId", prj.getGroupId());
attr.putValue("Bck2BrwsrVersion", prj.getVersion());
attr.putValue("Bck2BrwsrDebug", "true");
bundleName(attr, mainJar);
m.getEntries().put(debug, attr);
}
if (aotDeps != null) {
for (Artifact a : prj.getArtifacts()) {
if (!matches(aotDeps, a)) {
continue;
}
{
Attributes attr = new Attributes();
attr.putValue("Bck2BrwsrArtifactId", a.getArtifactId());
attr.putValue("Bck2BrwsrGroupId", a.getGroupId());
attr.putValue("Bck2BrwsrVersion", a.getVersion());
attr.putValue("Bck2BrwsrDebug", "true");
bundleName(attr, a.getFile());
m.getEntries().put(artifactName(a, true), attr);
}
{
Attributes attr = new Attributes();
attr.putValue("Bck2BrwsrArtifactId", a.getArtifactId());
attr.putValue("Bck2BrwsrGroupId", a.getGroupId());
attr.putValue("Bck2BrwsrVersion", a.getVersion());
attr.putValue("Bck2BrwsrMinified", "true");
bundleName(attr, a.getFile());
m.getEntries().put(artifactName(a, false), attr);
}
}
}
boolean notified = false;
JarOutputStream os = null;
if (!"false".equals(debug)) {
if (os == null) {
os = aotJar(m);
}
os.putNextEntry(new JarEntry(debug));
getLog().info("Generating bck2brwsr for " + mainJar);
notified = true;
Writer w = new OutputStreamWriter(os, "UTF-8");
configureMain(loader).
obfuscation(ObfuscationLevel.NONE).
generate(w);
w.flush();
os.closeEntry();
}
if (!"false".equals(minified)) {
if (os == null) {
os = aotJar(m);
}
os.putNextEntry(new JarEntry(minified));
if (!notified) {
getLog().info("Generating bck2brwsr for " + mainJar);
}
Writer w = new OutputStreamWriter(os, "UTF-8");
configureMain(loader).
obfuscation(obfuscation).
generate(w);
w.flush();
os.closeEntry();
}
if (aotDeps != null) {
for (Artifact a : prj.getArtifacts()) {
if (!matches(aotDeps, a)) {
continue;
}
getLog().info("Generating bck2brwsr for " + a.getFile());
Bck2Brwsr c = Bck2BrwsrJars.configureFrom(null, a.getFile(), loader, ignoreBootClassPath);
if (exports != null) {
for (String e : exports) {
c = c.addExported(e.replace('.', '/'));
}
}
{
if (os == null) {
os = aotJar(m);
}
os.putNextEntry(new JarEntry(artifactName(a, true)));
Writer w = new OutputStreamWriter(os, "UTF-8");
c.
obfuscation(ObfuscationLevel.NONE).
generate(w);
w.flush();
os.closeEntry();
}
{
os.putNextEntry(new JarEntry(artifactName(a, false)));
Writer w = new OutputStreamWriter(os, "UTF-8");
c.
obfuscation(ObfuscationLevel.FULL).
generate(w);
w.flush();
os.closeEntry();
}
}
}
if (os != null) {
os.close();
}
projectHelper.attachArtifact(prj, "jar", "bck2brwsr", aotJar);
} catch (IOException ex) {
throw new MojoFailureException("Cannot generate script for " + mainJar, ex);
}
}
private JarOutputStream aotJar(Manifest m) throws IOException, FileNotFoundException {
this.aotJar.getParentFile().mkdirs();
FileOutputStream fos = new FileOutputStream(this.aotJar);
JarOutputStream os = new JarOutputStream(fos, m);
return os;
}
private Bck2Brwsr configureMain(URLClassLoader loader) throws IOException {
Bck2Brwsr c = Bck2BrwsrJars.configureFrom(null, mainJar, loader, ignoreBootClassPath);
if (exports != null) {
for (String e : exports) {
c = c.addExported(e.replace('.', '/'));
}
}
return c;
}
private static String artifactName(Artifact a, boolean debug) {
return a.getGroupId() + "-" + a.getArtifactId() + (debug ? "-debug.js" : "-min.js");
}
private static void bundleName(Attributes attr, File file) throws IOException {
try (JarFile jf = new JarFile(file)) {
Attributes main = jf.getManifest().getMainAttributes();
String version = main.getValue("Bundle-SymbolicName");
if (version == null) {
version = main.getValue("OpenIDE-Module-Name");
}
if (version != null) {
attr.putValue("Bck2BrwsrName", version);
}
}
}
private static URLClassLoader buildClassLoader(File root, Collection deps) throws MalformedURLException {
List arr = new ArrayList();
if (root != null) {
arr.add(root.toURI().toURL());
}
for (Artifact a : deps) {
if (a.getFile() != null) {
arr.add(a.getFile().toURI().toURL());
}
}
return new URLClassLoader(arr.toArray(new URL[0]), Java2JavaScript.class.getClassLoader());
}
private static boolean matches(String[] aotDeps, Artifact a) {
for (String d : aotDeps) {
String[] parts = d.split(":");
for (int i = 0; i < parts.length; i++) {
if ("*".equals(parts[i])) {
parts[i] = null;
}
}
if (parts[0] != null && !parts[0].equals(a.getGroupId())) {
continue;
}
if (parts[1] != null && !parts[1].equals(a.getArtifactId())) {
continue;
}
if (parts.length > 2 && parts[2] != null && !parts[2].equals(a.getClassifier())) {
continue;
}
return true;
}
return false;
}
}
