55 lines
1.9 KiB
Java
55 lines
1.9 KiB
Java
/*
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* Copyright (C) 2014 The Dagger Authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package dagger.internal.codegen.base;
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import static com.google.common.base.Preconditions.checkNotNull;
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import static javax.tools.Diagnostic.Kind.ERROR;
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import com.squareup.javapoet.ClassName;
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import java.util.Optional;
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import javax.annotation.processing.Messager;
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import javax.lang.model.element.Element;
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/**
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* An exception thrown to indicate that a source file could not be generated.
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*
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* <p>This exception <b>should not</b> be used to report detectable, logical errors as it may mask
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* other errors that might have been caught upon further processing. Use a {@link ValidationReport}
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* for that.
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*/
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public final class SourceFileGenerationException extends Exception {
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private final Element associatedElement;
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SourceFileGenerationException(
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Optional<ClassName> generatedClassName, Throwable cause, Element associatedElement) {
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super(createMessage(generatedClassName, cause.getMessage()), cause);
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this.associatedElement = checkNotNull(associatedElement);
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}
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private static String createMessage(Optional<ClassName> generatedClassName, String message) {
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return String.format("Could not generate %s: %s.",
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generatedClassName.isPresent()
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? generatedClassName.get()
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: "unknown file",
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message);
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}
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public void printMessageTo(Messager messager) {
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messager.printMessage(ERROR, getMessage(), associatedElement);
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}
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}
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