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.ArrayList;
025import java.util.Collections;
026import java.util.List;
027
028/**
029 * Type reference element.
030 * Underlying token is {@link org.jetbrains.jet.JetNodeTypes#TYPE_REFERENCE}
031 */
032public class JetTypeReference extends JetElementImpl {
033    public JetTypeReference(@NotNull ASTNode node) {
034        super(node);
035    }
036
037    @Override
038    public void accept(@NotNull JetVisitorVoid visitor) {
039        visitor.visitTypeReference(this);
040    }
041
042    @Override
043    public <R, D> R accept(@NotNull JetVisitor<R, D> visitor, D data) {
044        return visitor.visitTypeReference(this, data);
045    }
046
047    public List<JetAnnotation> getAttributeAnnotations() {
048        return findChildrenByType(JetNodeTypes.ANNOTATION);
049    }
050
051    @Nullable
052    public JetTypeElement getTypeElement() {
053        return findChildByClass(JetTypeElement.class);
054    }
055
056    public List<JetAnnotationEntry> getAnnotations() {
057        List<JetAnnotationEntry> answer = null;
058        for (JetAnnotation annotation : getAttributeAnnotations()) {
059            if (answer == null) answer = new ArrayList<JetAnnotationEntry>();
060            answer.addAll(annotation.getEntries());
061        }
062        return answer != null ? answer : Collections.<JetAnnotationEntry>emptyList();
063    }
064}