| /* |
| * 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; |
| |
| import com.intellij.util.ArrayFactory; |
| import org.jetbrains.annotations.NotNull; |
| import org.jetbrains.annotations.Nullable; |
| |
| /** |
| * Represents a Java <code>import</code> or <code>import static</code> statement. |
| * |
| * @author dsl |
| */ |
| public interface PsiImportStatementBase extends PsiElement { |
| /** |
| * The empty array of PSI base import statements which can be reused to avoid unnecessary allocations. |
| */ |
| PsiImportStatementBase[] EMPTY_ARRAY = new PsiImportStatementBase[0]; |
| |
| ArrayFactory<PsiImportStatementBase> ARRAY_FACTORY = new ArrayFactory<PsiImportStatementBase>() { |
| @NotNull |
| @Override |
| public PsiImportStatementBase[] create(final int count) { |
| return count == 0 ? EMPTY_ARRAY : new PsiImportStatementBase[count]; |
| } |
| }; |
| |
| /** |
| * Checks if the statement represents a single element or on-demand import. |
| * |
| * @return true if the import statement is on-demand, false otherwise. |
| */ |
| boolean isOnDemand(); |
| |
| /** |
| * Returns the reference element which specifies the imported class, package or member. |
| * |
| * @return the import reference element. |
| * @see PsiImportStaticReferenceElement |
| */ |
| @Nullable |
| PsiJavaCodeReferenceElement getImportReference(); |
| |
| /** |
| * Resolves the reference to the imported class, package or member. |
| * |
| * @return the target element, or null if it was not possible to resolve the reference to a valid target. |
| */ |
| @Nullable |
| PsiElement resolve(); |
| |
| boolean isForeignFileImport(); |
| } |