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    
017    package org.jetbrains.jet.lang.psi;
018    
019    import com.intellij.lang.ASTNode;
020    import org.jetbrains.annotations.NotNull;
021    import org.jetbrains.annotations.Nullable;
022    import org.jetbrains.jet.JetNodeTypes;
023    
024    import java.util.ArrayList;
025    import java.util.Collections;
026    import java.util.List;
027    
028    /**
029     * Type reference element.
030     * Underlying token is {@link org.jetbrains.jet.JetNodeTypes#TYPE_REFERENCE}
031     */
032    public class JetTypeReference extends JetElementImpl {
033        public JetTypeReference(@NotNull ASTNode node) {
034            super(node);
035        }
036    
037        @Override
038        public <R, D> R accept(@NotNull JetVisitor<R, D> visitor, D data) {
039            return visitor.visitTypeReference(this, data);
040        }
041    
042        public List<JetAnnotation> getAttributeAnnotations() {
043            return findChildrenByType(JetNodeTypes.ANNOTATION);
044        }
045    
046        @Nullable
047        public JetTypeElement getTypeElement() {
048            return findChildByClass(JetTypeElement.class);
049        }
050    
051        public List<JetAnnotationEntry> getAnnotations() {
052            List<JetAnnotationEntry> answer = null;
053            for (JetAnnotation annotation : getAttributeAnnotations()) {
054                if (answer == null) answer = new ArrayList<JetAnnotationEntry>();
055                answer.addAll(annotation.getEntries());
056            }
057            return answer != null ? answer : Collections.<JetAnnotationEntry>emptyList();
058        }
059    }