001/*
002 * Copyright 2010-2013 JetBrains s.r.o.
003 *
004 * Licensed under the Apache License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 * http://www.apache.org/licenses/LICENSE-2.0
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 */
016
017package org.jetbrains.jet.lang.psi;
018
019import com.intellij.lang.ASTNode;
020import org.jetbrains.annotations.NotNull;
021import org.jetbrains.annotations.Nullable;
022import org.jetbrains.jet.JetNodeTypes;
023
024import java.util.List;
025
026public class JetCatchClause extends JetElementImpl {
027    public JetCatchClause(@NotNull ASTNode node) {
028        super(node);
029    }
030
031    @Override
032    public void accept(@NotNull JetVisitorVoid visitor) {
033        visitor.visitCatchSection(this);
034    }
035
036    @Override
037    public <R, D> R accept(@NotNull JetVisitor<R, D> visitor, D data) {
038        return visitor.visitCatchSection(this, data);
039    }
040
041    @Nullable @IfNotParsed
042    public JetParameterList getParameterList() {
043        return (JetParameterList) findChildByType(JetNodeTypes.VALUE_PARAMETER_LIST);
044    }
045
046    @Nullable @IfNotParsed
047    public JetParameter getCatchParameter() {
048        JetParameterList list = getParameterList();
049        if (list == null) return null;
050        List<JetParameter> parameters = list.getParameters();
051        return parameters.size() == 1 ? parameters.get(0) : null;
052    }
053
054
055    @Nullable @IfNotParsed
056    public JetExpression getCatchBody() {
057        return findChildByClass(JetExpression.class);
058    }
059}