| /* |
| * 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.Language; |
| import com.intellij.lang.java.JavaLanguage; |
| import com.intellij.psi.*; |
| import com.intellij.util.containers.ContainerUtil; |
| import org.jetbrains.annotations.NotNull; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| /** |
| * @author Max Medvedev |
| */ |
| public class LightReferenceListBuilder extends LightElement implements PsiReferenceList { |
| private final List<PsiJavaCodeReferenceElement> myRefs = new ArrayList<PsiJavaCodeReferenceElement>(); |
| private PsiJavaCodeReferenceElement[] myCachedRefs = null; |
| private PsiClassType[] myCachedTypes = null; |
| private final Role myRole; |
| private final PsiElementFactory myFactory; |
| |
| public LightReferenceListBuilder(PsiManager manager, Role role) { |
| this(manager, JavaLanguage.INSTANCE, role); |
| } |
| |
| public LightReferenceListBuilder(PsiManager manager, Language language, Role role) { |
| super(manager, language); |
| myRole = role; |
| myFactory = JavaPsiFacade.getElementFactory(getProject()); |
| } |
| |
| @Override |
| public String toString() { |
| return "light reference list"; |
| } |
| |
| public void addReference(PsiClass aClass) { |
| addReference(aClass.getQualifiedName()); |
| } |
| |
| public void addReference(String qualifiedName) { |
| final PsiJavaCodeReferenceElement ref = myFactory.createReferenceElementByFQClassName(qualifiedName, getResolveScope()); |
| myRefs.add(ref); |
| } |
| |
| public void addReference(PsiClassType type) { |
| final PsiClass resolved = type.resolve(); |
| if (resolved == null) return; |
| |
| final PsiJavaCodeReferenceElement ref = myFactory.createReferenceElementByType(type); |
| myRefs.add(ref); |
| } |
| |
| @NotNull |
| @Override |
| public PsiJavaCodeReferenceElement[] getReferenceElements() { |
| if (myCachedRefs == null) { |
| if (myRefs.isEmpty()) { |
| myCachedRefs = PsiJavaCodeReferenceElement.EMPTY_ARRAY; |
| } |
| else { |
| myCachedRefs = ContainerUtil.toArray(myRefs, new PsiJavaCodeReferenceElement[myRefs.size()]); |
| } |
| } |
| return myCachedRefs; |
| } |
| |
| @NotNull |
| @Override |
| public PsiClassType[] getReferencedTypes() { |
| if (myCachedTypes == null) { |
| if (myRefs.isEmpty()) { |
| myCachedTypes = PsiClassType.EMPTY_ARRAY; |
| } |
| else { |
| final int size = myRefs.size(); |
| myCachedTypes = new PsiClassType[size]; |
| for (int i = 0; i < size; i++) { |
| myCachedTypes[i] = myFactory.createType(myRefs.get(i)); |
| } |
| } |
| } |
| |
| return myCachedTypes; |
| } |
| |
| @Override |
| public Role getRole() { |
| return myRole; |
| } |
| } |