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.KtNodeTypes;
023    import org.jetbrains.kotlin.kdoc.psi.api.KDoc;
024    import org.jetbrains.kotlin.lexer.KtModifierKeywordToken;
025    import org.jetbrains.kotlin.psi.addRemoveModifier.AddRemoveModifierKt;
026    import org.jetbrains.kotlin.psi.findDocComment.FindDocCommentKt;
027    
028    import java.util.Collections;
029    import java.util.List;
030    
031    public abstract class KtDeclarationImpl extends KtExpressionImpl implements KtDeclaration {
032        public KtDeclarationImpl(@NotNull ASTNode node) {
033            super(node);
034        }
035    
036        @Override
037        @Nullable
038        public KtModifierList getModifierList() {
039            return (KtModifierList) findChildByType(KtNodeTypes.MODIFIER_LIST);
040        }
041    
042        @Override
043        public boolean hasModifier(@NotNull KtModifierKeywordToken modifier) {
044            KtModifierList modifierList = getModifierList();
045            return modifierList != null && modifierList.hasModifier(modifier);
046        }
047    
048        @Override
049        public void addModifier(@NotNull KtModifierKeywordToken modifier) {
050            AddRemoveModifierKt.addModifier(this, modifier);
051        }
052    
053        @Override
054        public void removeModifier(@NotNull KtModifierKeywordToken modifier) {
055            AddRemoveModifierKt.removeModifier(this, modifier);
056        }
057    
058        @NotNull
059        @Override
060        public KtAnnotationEntry addAnnotationEntry(@NotNull KtAnnotationEntry annotationEntry) {
061            return AddRemoveModifierKt.addAnnotationEntry(this, annotationEntry);
062        }
063    
064        @NotNull
065        @Override
066        public List<KtAnnotationEntry> getAnnotationEntries() {
067            KtModifierList modifierList = getModifierList();
068            if (modifierList == null) return Collections.emptyList();
069            return modifierList.getAnnotationEntries();
070        }
071    
072        @NotNull
073        @Override
074        public List<KtAnnotation> getAnnotations() {
075            KtModifierList modifierList = getModifierList();
076            if (modifierList == null) return Collections.emptyList();
077            return modifierList.getAnnotations();
078        }
079    
080        @Nullable
081        @Override
082        public KDoc getDocComment() {
083            return FindDocCommentKt.findDocComment(this);
084        }
085    }