001    /*
002     * Copyright 2010-2015 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    
017    package org.jetbrains.kotlin.psi;
018    
019    import com.intellij.lang.ASTNode;
020    import org.jetbrains.annotations.NotNull;
021    import org.jetbrains.annotations.Nullable;
022    import org.jetbrains.kotlin.JetNodeTypes;
023    
024    import java.util.List;
025    
026    public class JetCatchClause extends JetElementImpl {
027        public JetCatchClause(@NotNull ASTNode node) {
028            super(node);
029        }
030    
031        @Override
032        public <R, D> R accept(@NotNull JetVisitor<R, D> visitor, D data) {
033            return visitor.visitCatchSection(this, data);
034        }
035    
036        @Nullable @IfNotParsed
037        public JetParameterList getParameterList() {
038            return (JetParameterList) findChildByType(JetNodeTypes.VALUE_PARAMETER_LIST);
039        }
040    
041        @Nullable @IfNotParsed
042        public JetParameter getCatchParameter() {
043            JetParameterList list = getParameterList();
044            if (list == null) return null;
045            List<JetParameter> parameters = list.getParameters();
046            return parameters.size() == 1 ? parameters.get(0) : null;
047        }
048    
049    
050        @Nullable @IfNotParsed
051        public JetExpression getCatchBody() {
052            return findChildByClass(JetExpression.class);
053        }
054    }