com.github.javaparser.ast.modules.ModuleRequiresDirective Maven / Gradle / Ivy

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/*
 * Copyright (C) 2007-2010 Júlio Vilmar Gesser.
 * Copyright (C) 2011, 2013-2024 The JavaParser Team.
 *
 * This file is part of JavaParser.
 *
 * JavaParser can be used either under the terms of
 * a) the GNU Lesser General Public License as published by
 *     the Free Software Foundation, either version 3 of the License, or
 *     (at your option) any later version.
 * b) the terms of the Apache License
 *
 * You should have received a copy of both licenses in LICENCE.LGPL and
 * LICENCE.APACHE. Please refer to those files for details.
 *
 * JavaParser 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 Lesser General Public License for more details.
 */
package com.github.javaparser.ast.modules;

import static com.github.javaparser.ast.Modifier.Keyword.STATIC;
import static com.github.javaparser.ast.Modifier.Keyword.TRANSITIVE;
import static com.github.javaparser.utils.Utils.assertNotNull;

import com.github.javaparser.TokenRange;
import com.github.javaparser.ast.*;
import com.github.javaparser.ast.expr.Name;
import com.github.javaparser.ast.nodeTypes.NodeWithName;
import com.github.javaparser.ast.nodeTypes.modifiers.NodeWithStaticModifier;
import com.github.javaparser.ast.observer.ObservableProperty;
import com.github.javaparser.ast.visitor.CloneVisitor;
import com.github.javaparser.ast.visitor.GenericVisitor;
import com.github.javaparser.ast.visitor.VoidVisitor;
import com.github.javaparser.metamodel.JavaParserMetaModel;
import com.github.javaparser.metamodel.ModuleRequiresDirectiveMetaModel;
import java.util.Optional;
import java.util.function.Consumer;

/**
 * A require directive in module-info.java. {@code require a.b.C;}
 */
public class ModuleRequiresDirective extends ModuleDirective
        implements NodeWithStaticModifier, NodeWithName {

    private NodeList modifiers;

    private Name name;

    public ModuleRequiresDirective() {
        this(null, new NodeList<>(), new Name());
    }

    @AllFieldsConstructor
    public ModuleRequiresDirective(NodeList modifiers, Name name) {
        this(null, modifiers, name);
    }

    /**
     * This constructor is used by the parser and is considered private.
     */
    @Generated("com.github.javaparser.generator.core.node.MainConstructorGenerator")
    public ModuleRequiresDirective(TokenRange tokenRange, NodeList modifiers, Name name) {
        super(tokenRange);
        setModifiers(modifiers);
        setName(name);
        customInitialization();
    }

    @Override
    @Generated("com.github.javaparser.generator.core.node.AcceptGenerator")
    public  R accept(final GenericVisitor v, final A arg) {
        return v.visit(this, arg);
    }

    @Override
    @Generated("com.github.javaparser.generator.core.node.AcceptGenerator")
    public  void accept(final VoidVisitor v, final A arg) {
        v.visit(this, arg);
    }

    @Generated("com.github.javaparser.generator.core.node.PropertyGenerator")
    public NodeList getModifiers() {
        return modifiers;
    }

    @Generated("com.github.javaparser.generator.core.node.PropertyGenerator")
    public ModuleRequiresDirective setModifiers(final NodeList modifiers) {
        assertNotNull(modifiers);
        if (modifiers == this.modifiers) {
            return this;
        }
        notifyPropertyChange(ObservableProperty.MODIFIERS, this.modifiers, modifiers);
        if (this.modifiers != null) this.modifiers.setParentNode(null);
        this.modifiers = modifiers;
        setAsParentNodeOf(modifiers);
        return this;
    }

    @Generated("com.github.javaparser.generator.core.node.PropertyGenerator")
    public Name getName() {
        return name;
    }

    @Generated("com.github.javaparser.generator.core.node.PropertyGenerator")
    public ModuleRequiresDirective setName(final Name name) {
        assertNotNull(name);
        if (name == this.name) {
            return this;
        }
        notifyPropertyChange(ObservableProperty.NAME, this.name, name);
        if (this.name != null) this.name.setParentNode(null);
        this.name = name;
        setAsParentNodeOf(name);
        return this;
    }

    /*
     * A requires static directive indicates that a module is required at compile time, but is optional at runtime.
     */
    public boolean isStatic() {
        return hasModifier(STATIC);
    }

    /*
     * Requires transitive—implied readability.
     * To specify a dependency on another module and to ensure that other modules reading your module also read that dependency
     */
    public boolean isTransitive() {
        return hasModifier(TRANSITIVE);
    }

    public ModuleRequiresDirective setTransitive(boolean set) {
        return setModifier(TRANSITIVE, set);
    }

    @Override
    @Generated("com.github.javaparser.generator.core.node.RemoveMethodGenerator")
    public boolean remove(Node node) {
        if (node == null) {
            return false;
        }
        for (int i = 0; i < modifiers.size(); i++) {
            if (modifiers.get(i) == node) {
                modifiers.remove(i);
                return true;
            }
        }
        return super.remove(node);
    }

    @Override
    @Generated("com.github.javaparser.generator.core.node.CloneGenerator")
    public ModuleRequiresDirective clone() {
        return (ModuleRequiresDirective) accept(new CloneVisitor(), null);
    }

    @Override
    @Generated("com.github.javaparser.generator.core.node.ReplaceMethodGenerator")
    public boolean replace(Node node, Node replacementNode) {
        if (node == null) {
            return false;
        }
        for (int i = 0; i < modifiers.size(); i++) {
            if (modifiers.get(i) == node) {
                modifiers.set(i, (Modifier) replacementNode);
                return true;
            }
        }
        if (node == name) {
            setName((Name) replacementNode);
            return true;
        }
        return super.replace(node, replacementNode);
    }

    @Override
    @Generated("com.github.javaparser.generator.core.node.TypeCastingGenerator")
    public boolean isModuleRequiresStmt() {
        return true;
    }

    @Override
    @Generated("com.github.javaparser.generator.core.node.TypeCastingGenerator")
    public ModuleRequiresDirective asModuleRequiresStmt() {
        return this;
    }

    @Generated("com.github.javaparser.generator.core.node.TypeCastingGenerator")
    public void ifModuleRequiresStmt(Consumer action) {
        action.accept(this);
    }

    @Override
    @Generated("com.github.javaparser.generator.core.node.TypeCastingGenerator")
    public Optional toModuleRequiresStmt() {
        return Optional.of(this);
    }

    @Override
    @Generated("com.github.javaparser.generator.core.node.TypeCastingGenerator")
    public boolean isModuleRequiresDirective() {
        return true;
    }

    @Override
    @Generated("com.github.javaparser.generator.core.node.TypeCastingGenerator")
    public ModuleRequiresDirective asModuleRequiresDirective() {
        return this;
    }

    @Override
    @Generated("com.github.javaparser.generator.core.node.TypeCastingGenerator")
    public Optional toModuleRequiresDirective() {
        return Optional.of(this);
    }

    @Override
    @Generated("com.github.javaparser.generator.core.node.TypeCastingGenerator")
    public void ifModuleRequiresDirective(Consumer action) {
        action.accept(this);
    }

    @Override
    @Generated("com.github.javaparser.generator.core.node.GetMetaModelGenerator")
    public ModuleRequiresDirectiveMetaModel getMetaModel() {
        return JavaParserMetaModel.moduleRequiresDirectiveMetaModel;
    }
}
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