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.resolve.lazy.data;
018    
019    import com.intellij.psi.PsiElement;
020    import com.intellij.psi.PsiFile;
021    import org.jetbrains.annotations.NotNull;
022    import org.jetbrains.annotations.Nullable;
023    import org.jetbrains.jet.lang.psi.*;
024    import org.jetbrains.jet.lang.resolve.name.FqName;
025    
026    import java.util.List;
027    
028    public abstract class JetClassOrObjectInfo<E extends JetClassOrObject> implements JetClassLikeInfo {
029        protected final E element;
030    
031        protected JetClassOrObjectInfo(@NotNull E element) {
032            this.element = element;
033        }
034    
035        @Override
036        public JetClassOrObject getCorrespondingClassOrObject() {
037            return element;
038        }
039    
040        @Override
041        @Nullable
042        public JetModifierList getModifierList() {
043            return element.getModifierList();
044        }
045    
046        @Override
047        @NotNull
048        public List<JetDeclaration> getDeclarations() {
049            return element.getDeclarations();
050        }
051    
052        @NotNull
053        @Override
054        public PsiElement getScopeAnchor() {
055            return element;
056        }
057    
058        @NotNull
059        @Override
060        public FqName getContainingPackageFqName() {
061            PsiFile file = element.getContainingFile();
062            if (file instanceof JetFile) {
063                JetFile jetFile = (JetFile) file;
064                JetPackageDirective directive = jetFile.getPackageDirective();
065                return directive != null ? directive.getFqName() : FqName.ROOT;
066            }
067            throw new IllegalArgumentException("Not in a JetFile: " + element);
068        }
069    
070        @Override
071        public String toString() {
072            return "info for " + element.getText();
073        }
074    }