| /* |
| * Copyright 2000-2009 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.source.resolve.reference.impl.providers; |
| |
| import com.intellij.openapi.util.Comparing; |
| import com.intellij.openapi.util.Condition; |
| import com.intellij.openapi.util.TextRange; |
| import com.intellij.psi.JavaPsiFacade; |
| import com.intellij.psi.PsiElement; |
| import com.intellij.psi.PsiPackage; |
| import com.intellij.psi.ResolveResult; |
| import com.intellij.psi.util.ReferenceSetBase; |
| import com.intellij.util.NullableFunction; |
| import com.intellij.util.containers.ContainerUtil; |
| import org.jetbrains.annotations.NotNull; |
| import org.jetbrains.annotations.Nullable; |
| |
| import java.util.Collection; |
| import java.util.Collections; |
| import java.util.Set; |
| |
| /** |
| * @author Dmitry Avdeev |
| */ |
| public class PackageReferenceSet extends ReferenceSetBase<PsiPackageReference> { |
| |
| public PackageReferenceSet(@NotNull final String str, @NotNull final PsiElement element, final int startInElement) { |
| super(str, element, startInElement, DOT_SEPARATOR); |
| } |
| |
| @Override |
| @NotNull |
| protected PsiPackageReference createReference(final TextRange range, final int index) { |
| return new PsiPackageReference(this, range, index); |
| } |
| |
| public Collection<PsiPackage> resolvePackageName(@Nullable PsiPackage context, final String packageName) { |
| if (context != null) { |
| return ContainerUtil.filter(context.getSubPackages(), new Condition<PsiPackage>() { |
| @Override |
| public boolean value(PsiPackage aPackage) { |
| return Comparing.equal(aPackage.getName(), packageName); |
| } |
| }); |
| } |
| return Collections.emptyList(); |
| } |
| |
| public Collection<PsiPackage> resolvePackage() { |
| final PsiPackageReference packageReference = getLastReference(); |
| if (packageReference == null) { |
| return Collections.emptyList(); |
| } |
| return ContainerUtil.map2List(packageReference.multiResolve(false), new NullableFunction<ResolveResult, PsiPackage>() { |
| @Override |
| public PsiPackage fun(final ResolveResult resolveResult) { |
| return (PsiPackage)resolveResult.getElement(); |
| } |
| }); |
| } |
| |
| public Set<PsiPackage> getInitialContext() { |
| return Collections.singleton(JavaPsiFacade.getInstance(getElement().getProject()).findPackage("")); |
| } |
| } |