/*
 * Copyright (C) 2007-2010 Júlio Vilmar Gesser.
 * Copyright (C) 2011, 2013-2016 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.stmt;

import com.github.javaparser.Range;
import com.github.javaparser.ast.Modifier;
import com.github.javaparser.ast.Node;
import com.github.javaparser.ast.body.Parameter;
import com.github.javaparser.ast.body.VariableDeclaratorId;
import com.github.javaparser.ast.expr.AnnotationExpr;
import com.github.javaparser.ast.nodeTypes.NodeWithBlockStmt;
import com.github.javaparser.ast.type.ReferenceType;
import com.github.javaparser.ast.type.Type;
import com.github.javaparser.ast.visitor.GenericVisitor;
import com.github.javaparser.ast.visitor.VoidVisitor;

import java.util.EnumSet;
import java.util.List;

/**
 * @author Julio Vilmar Gesser
 */
public final class CatchClause extends Node implements NodeWithBlockStmt<CatchClause> {

    private Parameter param;

    private BlockStmt catchBlock;

    public CatchClause() {
    }

    public CatchClause(final Parameter param, final BlockStmt catchBlock) {
        setParam(param);
        setBody(catchBlock);
    }

    public CatchClause(final Range range,
                       final EnumSet<Modifier> exceptModifier, 
                       final List<AnnotationExpr> exceptAnnotations,
                       final Type exceptType,
                       final VariableDeclaratorId exceptId, 
                       final BlockStmt catchBlock) {
        super(range);
        setParam(new Parameter(range, exceptModifier, exceptAnnotations, exceptType, null, false, exceptId));
        setBody(catchBlock);
    }

	@Override public <R, A> R accept(final GenericVisitor<R, A> v, final A arg) {
		return v.visit(this, arg);
	}

	@Override public <A> void accept(final VoidVisitor<A> v, final A arg) {
		v.visit(this, arg);
	}

    /**
     * Use {@link #getBody()} instead
     */
    @Deprecated
	public BlockStmt getCatchBlock() {
		return catchBlock;
	}

	/**
	 * Note that the type of the Parameter can be a UnionType. In this case, any annotations found at the start of the catch(@X A a |...)
	 * are found directly in the Parameter. Annotations that are on the second or later type - catch(A a | @X B b ...) are found on those types.
	 */
	public Parameter getParam() {
		return param;
	}

    /**
     * Use {@link #setBody(BlockStmt)} instead
     * 
     * @param catchBlock
     */
    @Deprecated
	public CatchClause setCatchBlock(final BlockStmt catchBlock) {
		this.catchBlock = catchBlock;
		setAsParentNodeOf(this.catchBlock);
        return this;
	}

	public CatchClause setParam(final Parameter param) {
		this.param = param;
		setAsParentNodeOf(this.param);
        return this;
	}

    @Override
    public BlockStmt getBody() {
        return catchBlock;
    }

    @Override
    public CatchClause setBody(BlockStmt block) {
        this.catchBlock = block;
        setAsParentNodeOf(this.catchBlock);
        return this;
    }
}