| /* |
| * Copyright 2019 The Android Open Source Project |
| * |
| * 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 android.processor.view.inspector; |
| |
| import static javax.tools.Diagnostic.Kind.ERROR; |
| |
| import androidx.annotation.NonNull; |
| import androidx.annotation.Nullable; |
| |
| import javax.annotation.processing.Messager; |
| import javax.lang.model.element.AnnotationMirror; |
| import javax.lang.model.element.AnnotationValue; |
| import javax.lang.model.element.Element; |
| |
| /** |
| * Internal exception used to signal an error processing an annotation. |
| */ |
| final class ProcessingException extends RuntimeException { |
| private final @Nullable Element mElement; |
| private final @Nullable AnnotationMirror mAnnotationMirror; |
| private final @Nullable AnnotationValue mAnnotationValue; |
| |
| ProcessingException(@NonNull String message) { |
| this(message, null, null, null); |
| } |
| |
| ProcessingException(@NonNull String message, @NonNull Element element) { |
| this(message, element, null, null); |
| } |
| |
| ProcessingException( |
| @NonNull String message, |
| @NonNull Element element, |
| @NonNull AnnotationMirror annotationMirror) { |
| this(message, element, annotationMirror, null); |
| } |
| |
| ProcessingException( |
| @NonNull String message, |
| @Nullable Element element, |
| @Nullable AnnotationMirror annotationMirror, |
| @Nullable AnnotationValue annotationValue) { |
| super(message); |
| mElement = element; |
| mAnnotationMirror = annotationMirror; |
| mAnnotationValue = annotationValue; |
| } |
| |
| /** |
| * Prints the exception to a Messager. |
| * |
| * @param messager A Messager to print to |
| */ |
| void print(@NonNull Messager messager) { |
| if (mElement != null) { |
| if (mAnnotationMirror != null) { |
| if (mAnnotationValue != null) { |
| messager.printMessage( |
| ERROR, getMessage(), mElement, mAnnotationMirror, mAnnotationValue); |
| } else { |
| messager.printMessage(ERROR, getMessage(), mElement, mAnnotationMirror); |
| } |
| } else { |
| messager.printMessage(ERROR, getMessage(), mElement); |
| } |
| } else { |
| messager.printMessage(ERROR, getMessage()); |
| } |
| } |
| } |