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/*
* Copyright (C) 2015 The Dagger Authors.
*
* 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 dagger.internal.codegen;
import com.google.common.base.Joiner;
import com.google.common.collect.ImmutableSet;
import java.util.stream.Collectors;
/**
* Common lines outputted during code generation.
*/
public final class GeneratedLines {
private static final String DAGGER_GENERATED_ANNOTATION = "@DaggerGenerated";
private static final String GENERATED_ANNOTATION =
"@Generated("
+ "value = \"dagger.internal.codegen.ComponentProcessor\", "
+ "comments = \"https://dagger.dev\")";
private static final String SUPPRESS_WARNINGS_ANNOTATION =
"@SuppressWarnings({\"unchecked\", \"rawtypes\"})";
private static final String IMPORT_DAGGER_GENERATED = "import dagger.internal.DaggerGenerated;";
private static final String IMPORT_GENERATED_ANNOTATION =
isBeforeJava9()
? "import javax.annotation.Generated;"
: "import javax.annotation.processing.Generated;";
/** Returns a {@code String} of sorted imports. Includes generated imports automatically. */
public static String generatedImports(String... extraImports) {
return ImmutableSet.<String>builder()
.add(IMPORT_DAGGER_GENERATED)
.add(IMPORT_GENERATED_ANNOTATION)
.add(extraImports)
.build()
.stream()
.sorted()
.collect(Collectors.joining("\n"));
}
/** Returns the annotations for a generated class. */
public static String generatedAnnotations() {
return Joiner.on('\n')
.join(DAGGER_GENERATED_ANNOTATION, GENERATED_ANNOTATION, SUPPRESS_WARNINGS_ANNOTATION);
}
/** Returns the annotations for a generated class without {@code SuppressWarnings}. */
public static String generatedAnnotationsWithoutSuppressWarnings() {
return Joiner.on('\n').join(DAGGER_GENERATED_ANNOTATION, GENERATED_ANNOTATION);
}
static final String GENERATION_OPTIONS_ANNOTATION = "@GenerationOptions(fastInit = false)";
private static boolean isBeforeJava9() {
try {
Class.forName("java.lang.Module");
return false;
} catch (ClassNotFoundException e) {
return true;
}
}
}
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