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With inspiration from other libraries
/***
* ASM: a very small and fast Java bytecode manipulation framework
* Copyright (c) 2000-2011 INRIA, France Telecom
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the copyright holders nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
package org.mvel2.asm.tree;
import java.util.ArrayList;
import java.util.List;
import org.mvel2.asm.ClassVisitor;
import org.mvel2.asm.ModuleVisitor;
import org.mvel2.asm.Opcodes;
/**
* A node that represents a module declaration.
*
* @author Remi Forax
*/
public class ModuleNode extends ModuleVisitor {
/**
* Module name
*/
public String name;
/**
* Module access flags, among {@code ACC_OPEN}, {@code ACC_SYNTHETIC}
* and {@code ACC_MANDATED}.
*/
public int access;
/**
* Version of the module.
* May be null.
*/
public String version;
/**
* Name of the main class in internal form
* May be null.
*/
public String mainClass;
/**
* A list of packages that are declared by the current module.
* May be null.
*/
public List packages;
/**
* A list of modules can are required by the current module.
* May be null.
*/
public List requires;
/**
* A list of packages that are exported by the current module.
* May be null.
*/
public List exports;
/**
* A list of packages that are opened by the current module.
* May be null.
*/
public List opens;
/**
* A list of classes in their internal forms that are used
* as a service by the current module. May be null.
*/
public List uses;
/**
* A list of services along with their implementations provided
* by the current module. May be null.
*/
public List provides;
public ModuleNode(final String name, final int access,
final String version) {
super(Opcodes.ASM6);
this.name = name;
this.access = access;
this.version = version;
}
public ModuleNode(final int api,
final String name,
final int access,
final String version,
final List requires,
final List exports,
final List opens,
final List uses,
final List provides) {
super(api);
this.name = name;
this.access = access;
this.version = version;
this.requires = requires;
this.exports = exports;
this.opens = opens;
this.uses = uses;
this.provides = provides;
if (getClass() != ModuleNode.class) {
throw new IllegalStateException();
}
}
@Override
public void visitMainClass(String mainClass) {
this.mainClass = mainClass;
}
@Override
public void visitPackage(String packaze) {
if (packages == null) {
packages = new ArrayList(5);
}
packages.add(packaze);
}
@Override
public void visitRequire(String module, int access, String version) {
if (requires == null) {
requires = new ArrayList(5);
}
requires.add(new ModuleRequireNode(module, access, version));
}
@Override
public void visitExport(String packaze, int access, String... modules) {
if (exports == null) {
exports = new ArrayList(5);
}
List moduleList = null;
if (modules != null) {
moduleList = new ArrayList(modules.length);
for (int i = 0; i < modules.length; i++) {
moduleList.add(modules[i]);
}
}
exports.add(new ModuleExportNode(packaze, access, moduleList));
}
@Override
public void visitOpen(String packaze, int access, String... modules) {
if (opens == null) {
opens = new ArrayList(5);
}
List moduleList = null;
if (modules != null) {
moduleList = new ArrayList(modules.length);
for (int i = 0; i < modules.length; i++) {
moduleList.add(modules[i]);
}
}
opens.add(new ModuleOpenNode(packaze, access, moduleList));
}
@Override
public void visitUse(String service) {
if (uses == null) {
uses = new ArrayList(5);
}
uses.add(service);
}
@Override
public void visitProvide(String service, String... providers) {
if (provides == null) {
provides = new ArrayList(5);
}
ArrayList providerList =
new ArrayList(providers.length);
for (int i = 0; i < providers.length; i++) {
providerList.add(providers[i]);
}
provides.add(new ModuleProvideNode(service, providerList));
}
@Override
public void visitEnd() {
}
public void accept(final ClassVisitor cv) {
ModuleVisitor mv = cv.visitModule(name, access, version);
if (mv == null) {
return;
}
if (mainClass != null) {
mv.visitMainClass(mainClass);
}
if (packages != null) {
for (int i = 0; i < packages.size(); i++) {
mv.visitPackage(packages.get(i));
}
}
if (requires != null) {
for (int i = 0; i < requires.size(); i++) {
requires.get(i).accept(mv);
}
}
if (exports != null) {
for (int i = 0; i < exports.size(); i++) {
exports.get(i).accept(mv);
}
}
if (opens != null) {
for (int i = 0; i < opens.size(); i++) {
opens.get(i).accept(mv);
}
}
if (uses != null) {
for (int i = 0; i < uses.size(); i++) {
mv.visitUse(uses.get(i));
}
}
if (provides != null) {
for (int i = 0; i < provides.size(); i++) {
provides.get(i).accept(mv);
}
}
}
}