| /* |
| * Copyright 2000-2014 JetBrains s.r.o. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package com.intellij.psi.impl.light; |
| |
| import com.intellij.lang.java.JavaLanguage; |
| import com.intellij.openapi.util.TextRange; |
| import com.intellij.psi.*; |
| import com.intellij.psi.infos.CandidateInfo; |
| import com.intellij.psi.scope.PsiScopeProcessor; |
| import com.intellij.util.IncorrectOperationException; |
| import org.jetbrains.annotations.NotNull; |
| |
| public class LightPackageReference extends LightElement implements PsiJavaCodeReferenceElement { |
| private final String myPackageName; |
| private final PsiPackage myRefPackage; |
| |
| public LightPackageReference(PsiManager manager, PsiPackage refPackage) { |
| super(manager, JavaLanguage.INSTANCE); |
| myPackageName = null; |
| myRefPackage = refPackage; |
| } |
| |
| public LightPackageReference(PsiManager manager, String packageName) { |
| super(manager, JavaLanguage.INSTANCE); |
| myPackageName = packageName; |
| myRefPackage = null; |
| } |
| |
| @Override |
| public PsiElement resolve(){ |
| if (myPackageName != null){ |
| return JavaPsiFacade.getInstance(myManager.getProject()).findPackage(myPackageName); |
| } |
| else { |
| return myRefPackage; |
| } |
| } |
| |
| @Override |
| @NotNull |
| public JavaResolveResult advancedResolve(boolean incompleteCode){ |
| PsiElement resolve = resolve(); |
| return resolve == null ? JavaResolveResult.EMPTY : new CandidateInfo(resolve, PsiSubstitutor.EMPTY); |
| } |
| |
| @Override |
| @NotNull |
| public JavaResolveResult[] multiResolve(boolean incompleteCode){ |
| final JavaResolveResult result = advancedResolve(incompleteCode); |
| if(result != JavaResolveResult.EMPTY) return new JavaResolveResult[]{result}; |
| return JavaResolveResult.EMPTY_ARRAY; |
| } |
| |
| @Override |
| public String getText(){ |
| if (myPackageName != null){ |
| return myPackageName; |
| } |
| else { |
| return myRefPackage.getQualifiedName(); |
| } |
| } |
| |
| @Override |
| public PsiReference getReference() { |
| return this; |
| } |
| |
| @Override |
| @NotNull |
| public String getCanonicalText(){ |
| return getText(); |
| } |
| |
| @Override |
| public PsiElement copy(){ |
| if (myPackageName != null){ |
| return new LightPackageReference(myManager, myPackageName); |
| } |
| else{ |
| return new LightPackageReference(myManager, myRefPackage); |
| } |
| } |
| |
| @Override |
| public PsiElement handleElementRename(String newElementName) throws IncorrectOperationException { |
| //TODO? |
| throw new UnsupportedOperationException(); |
| } |
| |
| @Override |
| public PsiElement bindToElement(@NotNull PsiElement element) throws IncorrectOperationException { |
| //TODO? |
| throw new UnsupportedOperationException(); |
| } |
| |
| @Override |
| public void accept(@NotNull PsiElementVisitor visitor){ |
| if (visitor instanceof JavaElementVisitor) { |
| ((JavaElementVisitor)visitor).visitReferenceElement(this); |
| } |
| else { |
| visitor.visitElement(this); |
| } |
| } |
| |
| public String toString(){ |
| return "PsiJavaCodeReferenceElement:" + getText(); |
| } |
| |
| @Override |
| public boolean isReferenceTo(PsiElement element) { |
| if (!(element instanceof PsiPackage)) return false; |
| return getManager().areElementsEquivalent(resolve(), element); |
| } |
| |
| @Override |
| @NotNull |
| public Object[] getVariants() { |
| throw new RuntimeException("Variants are not available for light references"); |
| } |
| |
| @Override |
| public boolean isSoft(){ |
| return false; |
| } |
| |
| @Override |
| public void processVariants(@NotNull PsiScopeProcessor processor){ |
| throw new RuntimeException("Variants are not available for light references"); |
| } |
| |
| @Override |
| public PsiElement getReferenceNameElement() { |
| return null; |
| } |
| |
| @Override |
| public PsiReferenceParameterList getParameterList() { |
| return null; |
| } |
| |
| @Override |
| public String getQualifiedName() { |
| return getText(); |
| } |
| |
| @Override |
| public String getReferenceName() { |
| if (myPackageName != null){ |
| return PsiNameHelper.getShortClassName(myPackageName); |
| } |
| else { |
| return myRefPackage.getName(); |
| } |
| } |
| |
| @Override |
| public TextRange getRangeInElement() { |
| return new TextRange(0, getTextLength()); |
| } |
| |
| @Override |
| public PsiElement getElement() { |
| return this; |
| } |
| |
| @Override |
| public boolean isValid() { |
| return myRefPackage == null || myRefPackage.isValid(); |
| } |
| |
| @Override |
| @NotNull |
| public PsiType[] getTypeParameters() { |
| return PsiType.EMPTY_ARRAY; |
| } |
| |
| @Override |
| public PsiElement getQualifier() { |
| return null; |
| } |
| |
| @Override |
| public boolean isQualified() { |
| return false; |
| } |
| } |