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.psi.stubs.KotlinPlaceHolderStub;
023    import org.jetbrains.kotlin.psi.stubs.elements.JetStubElementTypes;
024    
025    import java.util.List;
026    
027    public class JetAnnotation extends JetElementImplStub<KotlinPlaceHolderStub<JetAnnotation>> {
028    
029        public JetAnnotation(@NotNull ASTNode node) {
030            super(node);
031        }
032    
033        public JetAnnotation(KotlinPlaceHolderStub<JetAnnotation> stub) {
034            super(stub, JetStubElementTypes.ANNOTATION);
035        }
036    
037        @Override
038        public <R, D> R accept(@NotNull JetVisitor<R, D> visitor, D data) {
039            return visitor.visitAnnotation(this, data);
040        }
041    
042        public List<JetAnnotationEntry> getEntries() {
043            return getStubOrPsiChildrenAsList(JetStubElementTypes.ANNOTATION_ENTRY);
044        }
045    
046        @Nullable
047        public JetAnnotationUseSiteTarget getUseSiteTarget() {
048            return getStubOrPsiChild(JetStubElementTypes.ANNOTATION_TARGET);
049        }
050    
051        public void removeEntry(@NotNull JetAnnotationEntry entry) {
052            if (getEntries().size() > 1) {
053                entry.delete();
054            }
055            else {
056                delete();
057            }
058        }
059    }