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/* Copyright (c) 2020 Matthias Bläsing, All Rights Reserved
*
* The contents of this file is dual-licensed under 2
* alternative Open Source/Free licenses: LGPL 2.1 or later and
* Apache License 2.0. (starting with JNA version 4.0.0).
*
* You can freely decide which license you want to apply to
* the project.
*
* You may obtain a copy of the LGPL License at:
*
* http://www.gnu.org/licenses/licenses.html
*
* A copy is also included in the downloadable source code package
* containing JNA, in file "LGPL2.1".
*
* You may obtain a copy of the Apache License at:
*
* http://www.apache.org/licenses/
*
* A copy is also included in the downloadable source code package
* containing JNA, in file "AL2.0".
*/
package com.sun.jna.ant;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import org.objectweb.asm.ClassWriter;
import org.objectweb.asm.ModuleVisitor;
import static org.objectweb.asm.Opcodes.*;
public class ModuleGenerator {
private String name;
private String version;
private boolean open;
private String mainClass;
private File targetFile;
private List<Exports> exports = new ArrayList<Exports>();
private List<Opens> opens = new ArrayList<Opens>();
private List<Requires> requires = new ArrayList<Requires>();
private List<Package> packages = new ArrayList<Package>();
public File getTargetFile() {
return targetFile;
}
public void setTargetFile(File targetFile) {
this.targetFile = targetFile;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public String getVersion() {
return version;
}
public void setVersion(String version) {
this.version = version;
}
public boolean isOpen() {
return open;
}
public void setOpen(boolean open) {
this.open = open;
}
public String getMainClass() {
return mainClass;
}
public void setMainClass(String mainClass) {
this.mainClass = mainClass;
}
public String getMainClassBinary() {
if(mainClass != null) {
return mainClass.replace(".", "/");
} else {
return mainClass;
}
}
public Exports createExports() {
Exports export = new Exports();
this.exports.add(export);
return export;
}
public List<Exports> getExports() {
return exports;
}
public void setExports(List<Exports> exports) {
this.exports = exports;
}
public Requires createRequires() {
Requires require = new Requires();
this.requires.add(require);
return require;
}
public List<Requires> getRequires() {
return requires;
}
public void setRequires(List<Requires> requires) {
this.requires = requires;
}
public Opens createOpens() {
Opens openEntry = new Opens();
this.opens.add(openEntry);
return openEntry;
}
public List<Opens> getOpens() {
return opens;
}
public void setOpens(List<Opens> opens) {
this.opens = opens;
}
public Package createPackage() {
Package packageEntry = new Package();
this.packages.add(packageEntry);
return packageEntry;
}
public List<Package> getPackages() {
return packages;
}
public void setPackages(List<Package> packageEntry) {
this.packages = packageEntry;
}
public void execute() throws IOException {
System.out.println(this);
ClassWriter cw = new ClassWriter(ClassWriter.COMPUTE_FRAMES | ClassWriter.COMPUTE_MAXS);
cw.visit(V9, ACC_MODULE, "module-info", null, null, null);
ModuleVisitor mv = cw.visitModule(name, (open ? ACC_OPEN : 0), version);
mv.visitRequire("java.base", ACC_MANDATED, null);
for(Requires require: requires) {
mv.visitRequire(
require.getModule(),
(require.isStatic() ? ACC_STATIC : 0)|( require.isTransitive() ? ACC_TRANSITIVE : 0),
null);
}
for(Exports export: exports) {
mv.visitExport(
export.getBinaryPackageName(),
0,
export.getToList()
);
}
for(Opens openEntry: opens) {
mv.visitOpen(
openEntry.getBinaryPackageName(),
0,
openEntry.getToList());
}
for(Package packageEntry: packages) {
mv.visitPackage(packageEntry.getName());
}
if(getMainClassBinary() != null) {
mv.visitMainClass(getMainClassBinary());
}
mv.visitEnd();
cw.visitEnd();
try (FileOutputStream fos = new FileOutputStream(targetFile)) {
fos.write(cw.toByteArray());
}
}
@Override
public String toString() {
return "ModuleGenerator{" + "name=" + name + ", version=" + version + ", open=" + open + ", mainClass=" + mainClass + ", targetFile=" + targetFile + ", exports=" + exports + ", opens=" + opens + ", requires=" + requires + ", packages=" + packages + '}';
}
}
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