| /* |
| * Copyright 2000-2013 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 reference found in Java code (either an identifier or a sequence of identifiers |
| * separated by periods, optionally with generic type arguments). |
| */ |
| public interface PsiJavaCodeReferenceElement extends PsiJavaReference, PsiQualifiedReferenceElement { |
| /** |
| * The empty array of PSI Java code references which can be reused to avoid unnecessary allocations. |
| */ |
| PsiJavaCodeReferenceElement[] EMPTY_ARRAY = new PsiJavaCodeReferenceElement[0]; |
| |
| ArrayFactory<PsiJavaCodeReferenceElement> ARRAY_FACTORY = new ArrayFactory<PsiJavaCodeReferenceElement>() { |
| @NotNull |
| @Override |
| public PsiJavaCodeReferenceElement[] create(int count) { |
| return count == 0 ? EMPTY_ARRAY : new PsiJavaCodeReferenceElement[count]; |
| } |
| }; |
| |
| /** |
| * Returns the element representing the name of the referenced element. |
| * |
| * @return the element, or null if the reference element is not physical (for example, |
| * exists in compiled code). |
| */ |
| @Nullable |
| PsiElement getReferenceNameElement(); |
| |
| /** |
| * Returns the list of type arguments specified on the reference. |
| * |
| * @return the type argument list, or null if the reference does not have any type arguments. |
| */ |
| @Nullable |
| PsiReferenceParameterList getParameterList(); |
| |
| /** |
| * Returns the array of types for the type arguments specified on the reference. |
| * |
| * @return the array of types, or an empty array if the reference does not have any type arguments. |
| */ |
| @NotNull |
| PsiType[] getTypeParameters(); |
| |
| /** |
| * Checks if the reference is qualified (consists of elements separated with periods). |
| * |
| * @return true if the reference is qualified, false otherwise. |
| */ |
| boolean isQualified(); |
| |
| /** |
| * Returns the text of the reference including its qualifier. |
| * |
| * @return the qualified text of the reference. |
| */ |
| String getQualifiedName(); |
| } |