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 com.intellij.psi.PsiElement;
021import org.jetbrains.annotations.NotNull;
022import org.jetbrains.annotations.Nullable;
023import org.jetbrains.jet.lexer.JetTokens;
024
025public class JetWhenEntry extends JetElementImpl {
026    public JetWhenEntry(@NotNull ASTNode node) {
027        super(node);
028    }
029
030    public boolean isElse() {
031        return getElseKeywordElement() != null;
032    }
033
034    @Nullable
035    public PsiElement getElseKeywordElement() {
036        return findChildByType(JetTokens.ELSE_KEYWORD);
037    }
038
039    @Nullable
040    public JetExpression getExpression() {
041        return findChildByClass(JetExpression.class);
042    }
043
044    @Override
045    public void accept(@NotNull JetVisitorVoid visitor) {
046        visitor.visitWhenEntry(this);
047    }
048
049    @Override
050    public <R, D> R accept(@NotNull JetVisitor<R, D> visitor, D data) {
051        return visitor.visitWhenEntry(this, data);
052    }
053
054    @NotNull
055    public JetWhenCondition[] getConditions() {
056        return findChildrenByClass(JetWhenCondition.class);
057    }
058}