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 com.intellij.psi.PsiElement;
021    import com.intellij.psi.stubs.IStubElementType;
022    import org.jetbrains.annotations.NotNull;
023    import org.jetbrains.annotations.Nullable;
024    import org.jetbrains.kotlin.lexer.JetModifierKeywordToken;
025    import org.jetbrains.kotlin.psi.psiUtil.PsiUtilPackage;
026    import org.jetbrains.kotlin.psi.stubs.KotlinModifierListStub;
027    import org.jetbrains.kotlin.psi.stubs.elements.JetStubElementTypes;
028    
029    import java.util.List;
030    
031    public abstract class JetModifierList extends JetElementImplStub<KotlinModifierListStub> implements JetAnnotationsContainer {
032    
033        public JetModifierList(@NotNull KotlinModifierListStub stub, @NotNull IStubElementType nodeType) {
034            super(stub, nodeType);
035        }
036    
037        public JetModifierList(@NotNull ASTNode node) {
038            super(node);
039        }
040    
041        @Override
042        public <R, D> R accept(@NotNull JetVisitor<R, D> visitor, D data) {
043            return visitor.visitModifierList(this, data);
044        }
045    
046        @NotNull
047        public List<JetAnnotation> getAnnotations() {
048            return getStubOrPsiChildrenAsList(JetStubElementTypes.ANNOTATION);
049        }
050    
051        @NotNull
052        public List<JetAnnotationEntry> getAnnotationEntries() {
053            return PsiUtilPackage.collectAnnotationEntriesFromStubOrPsi(this);
054        }
055    
056        public boolean hasModifier(@NotNull JetModifierKeywordToken tokenType) {
057            KotlinModifierListStub stub = getStub();
058            if (stub != null) {
059                return stub.hasModifier(tokenType);
060            }
061            return getModifier(tokenType) != null;
062        }
063    
064        @Nullable
065        public PsiElement getModifier(@NotNull JetModifierKeywordToken tokenType) {
066            return findChildByType(tokenType);
067        }
068    
069        public PsiElement getOwner() {
070            return getParentByStub();
071        }
072    
073        @Override
074        public void deleteChildInternal(@NotNull ASTNode child) {
075            super.deleteChildInternal(child);
076            if (getFirstChild() == null) {
077                delete();
078            }
079        }
080    }