| /******************************************************************************* |
| * Copyright (c) 2017 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.jdt.internal.compiler.env; |
| |
| import java.util.jar.Manifest; |
| |
| import org.eclipse.jdt.internal.compiler.classfmt.ClassFileConstants; |
| |
| public interface IModule { |
| |
| public static IModuleReference[] NO_MODULE_REFS = new IModuleReference[0]; |
| public static IPackageExport[] NO_EXPORTS = new IPackageExport[0]; |
| public static char[][] NO_USES = new char[0][]; |
| public static IService[] NO_PROVIDES = new IService[0]; |
| public static IModule[] NO_MODULES = new IModule[0]; |
| public static IPackageExport[] NO_OPENS = new IPackageExport[0]; |
| |
| public String MODULE_INFO = "module-info"; //$NON-NLS-1$ |
| public String MODULE_INFO_JAVA = "module-info.java"; //$NON-NLS-1$ |
| public String MODULE_INFO_CLASS = "module-info.class"; //$NON-NLS-1$ |
| |
| public char[] name(); |
| |
| public IModuleReference[] requires(); |
| |
| public IPackageExport[] exports(); |
| |
| public char[][] uses(); |
| |
| public IService[] provides(); |
| |
| /* |
| * the opens package statement is very similar to package export statement, hence |
| * the same internal models are being used here. |
| */ |
| public IPackageExport[] opens(); |
| |
| public interface IModuleReference { |
| public char[] name(); |
| public default boolean isTransitive() { |
| return (getModifiers() & ClassFileConstants.ACC_TRANSITIVE) != 0; |
| } |
| public int getModifiers(); |
| public default boolean isStatic() { |
| return (getModifiers() & ClassFileConstants.ACC_STATIC_PHASE) != 0; |
| } |
| } |
| |
| public interface IPackageExport { |
| public char[] name(); |
| public char[][] targets(); |
| public default boolean isQualified() { |
| char[][] targets = targets(); |
| return targets != null && targets.length > 0; |
| } |
| } |
| |
| public interface IService { |
| public char[] name(); |
| char[][] with(); |
| } |
| |
| public default void addReads(char[] modName) { |
| // do nothing, would throwing an exception be better? |
| } |
| |
| public default void addExports(IPackageExport[] exports) { |
| // do nothing, would throwing an exception be better? |
| } |
| |
| public default boolean isAutomatic() { |
| return false; |
| } |
| public default boolean isAutoNameFromManifest() { |
| return false; |
| } |
| public abstract boolean isOpen(); |
| |
| |
| public static IModule createAutomatic(char[] moduleName, boolean fromManifest) { |
| final class AutoModule implements IModule { |
| char[] name; |
| boolean nameFromManifest; |
| public AutoModule(char[] name, boolean nameFromManifest) { |
| this.name = name; |
| this.nameFromManifest = nameFromManifest; |
| } |
| @Override |
| public char[] name() { |
| return this.name; |
| } |
| |
| @Override |
| public IModuleReference[] requires() { |
| return IModule.NO_MODULE_REFS; |
| } |
| |
| @Override |
| public IPackageExport[] exports() { |
| return IModule.NO_EXPORTS; |
| } |
| |
| @Override |
| public char[][] uses() { |
| return IModule.NO_USES; |
| } |
| |
| @Override |
| public IService[] provides() { |
| return IModule.NO_PROVIDES; |
| } |
| |
| @Override |
| public IPackageExport[] opens() { |
| return NO_OPENS; |
| } |
| |
| @Override |
| public boolean isAutomatic() { |
| return true; |
| } |
| @Override |
| public boolean isAutoNameFromManifest() { |
| return this.nameFromManifest; |
| } |
| @Override |
| public boolean isOpen() { |
| return false; |
| } |
| } |
| return new AutoModule(moduleName, fromManifest); |
| } |
| |
| public static IModule createAutomatic(String fileName, boolean isFile, Manifest manifest) { |
| boolean fromManifest = true; |
| char[] inferredName = AutomaticModuleNaming.determineAutomaticModuleNameFromManifest(manifest); |
| if (inferredName == null) { |
| fromManifest = false; |
| inferredName = AutomaticModuleNaming.determineAutomaticModuleNameFromFileName(fileName, true, isFile); |
| } |
| return createAutomatic(inferredName, fromManifest); |
| } |
| } |