/*

 * Copyright (C) 2007-2010 Júlio Vilmar Gesser.

 * Copyright (C) 2011, 2013-2021 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.body;

import com.github.javaparser.TokenRange;

import com.github.javaparser.ast.AllFieldsConstructor;

import com.github.javaparser.ast.Generated;

import com.github.javaparser.ast.Node;

import com.github.javaparser.ast.nodeTypes.NodeWithBlockStmt;

import com.github.javaparser.ast.nodeTypes.NodeWithJavadoc;

import com.github.javaparser.ast.observer.ObservableProperty;

import com.github.javaparser.ast.stmt.BlockStmt;

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.InitializerDeclarationMetaModel;

import com.github.javaparser.metamodel.JavaParserMetaModel;

import java.util.Optional;

import java.util.function.Consumer;

import static com.github.javaparser.utils.Utils.assertNotNull;

/**

 * A (possibly static) initializer body. "static { a=3; }" in this example: {@code class X { static { a=3; }  } }

 *

 * @author Julio Vilmar Gesser

 */

public class InitializerDeclaration extends BodyDeclaration<InitializerDeclaration> implements NodeWithJavadoc<InitializerDeclaration>, NodeWithBlockStmt<InitializerDeclaration> {

    private boolean isStatic;

    private BlockStmt body;

    public InitializerDeclaration() {

        this(null, false, new BlockStmt());

    }

    @AllFieldsConstructor

    public InitializerDeclaration(boolean isStatic, BlockStmt body) {

        this(null, isStatic, body);

    }

    /**

     * This constructor is used by the parser and is considered private.

     */

    @Generated("com.github.javaparser.generator.core.node.MainConstructorGenerator")

    public InitializerDeclaration(TokenRange tokenRange, boolean isStatic, BlockStmt body) {

        super(tokenRange);

        setStatic(isStatic);

        setBody(body);

        customInitialization();

    }

    @Override

    @Generated("com.github.javaparser.generator.core.node.AcceptGenerator")

    public <R, A> R accept(final GenericVisitor<R, A> v, final A arg) {

        return v.visit(this, arg);

    }

    @Override

    @Generated("com.github.javaparser.generator.core.node.AcceptGenerator")

    public <A> void accept(final VoidVisitor<A> v, final A arg) {

        v.visit(this, arg);

    }

    @Generated("com.github.javaparser.generator.core.node.PropertyGenerator")

    public BlockStmt getBody() {

        return body;

    }

    @Generated("com.github.javaparser.generator.core.node.PropertyGenerator")

    public boolean isStatic() {

        return isStatic;

    }

    @Generated("com.github.javaparser.generator.core.node.PropertyGenerator")

    public InitializerDeclaration setBody(final BlockStmt body) {

        assertNotNull(body);

        if (body == this.body) {

            return this;

        }

        notifyPropertyChange(ObservableProperty.BODY, this.body, body);

        if (this.body != null)

            this.body.setParentNode(null);

        this.body = body;

        setAsParentNodeOf(body);

        return this;

    }

    @Generated("com.github.javaparser.generator.core.node.PropertyGenerator")

    public InitializerDeclaration setStatic(final boolean isStatic) {

        if (isStatic == this.isStatic) {

            return this;

        }

        notifyPropertyChange(ObservableProperty.STATIC, this.isStatic, isStatic);

        this.isStatic = isStatic;

        return this;

    }

    @Override

    @Generated("com.github.javaparser.generator.core.node.RemoveMethodGenerator")

    public boolean remove(Node node) {

        if (node == null)

            return false;

        return super.remove(node);

    }

    @Override

    @Generated("com.github.javaparser.generator.core.node.CloneGenerator")

    public InitializerDeclaration clone() {

        return (InitializerDeclaration) accept(new CloneVisitor(), null);

    }

    @Override

    @Generated("com.github.javaparser.generator.core.node.GetMetaModelGenerator")

    public InitializerDeclarationMetaModel getMetaModel() {

        return JavaParserMetaModel.initializerDeclarationMetaModel;

    }

    @Override

    @Generated("com.github.javaparser.generator.core.node.ReplaceMethodGenerator")

    public boolean replace(Node node, Node replacementNode) {

        if (node == null)

            return false;

        if (node == body) {

            setBody((BlockStmt) replacementNode);

            return true;

        }

        return super.replace(node, replacementNode);

    }

    @Override

    @Generated("com.github.javaparser.generator.core.node.TypeCastingGenerator")

    public boolean isInitializerDeclaration() {

        return true;

    }

    @Override

    @Generated("com.github.javaparser.generator.core.node.TypeCastingGenerator")

    public InitializerDeclaration asInitializerDeclaration() {

        return this;

    }

    @Override

    @Generated("com.github.javaparser.generator.core.node.TypeCastingGenerator")

    public void ifInitializerDeclaration(Consumer<InitializerDeclaration> action) {

        action.accept(this);

    }

    @Override

    @Generated("com.github.javaparser.generator.core.node.TypeCastingGenerator")

    public Optional<InitializerDeclaration> toInitializerDeclaration() {

        return Optional.of(this);

    }

}