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CompilerConventions.java
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CompilerConventions.java
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/*
* Copyright 2002-2022 the original author or 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
*
* https://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 org.springframework.build;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import org.gradle.api.Plugin;
import org.gradle.api.Project;
import org.gradle.api.plugins.JavaBasePlugin;
import org.gradle.api.plugins.JavaPlugin;
import org.gradle.api.tasks.compile.JavaCompile;
/**
* {@link Plugin} that applies conventions for compiling Java sources in Spring Framework.
*
* @author Brian Clozel
* @author Sam Brannen
* @author Sebastien Deleuze
*/
public class CompilerConventions {
private static final List<String> COMPILER_ARGS;
private static final List<String> TEST_COMPILER_ARGS;
static {
List<String> commonCompilerArgs = Arrays.asList(
"-Xlint:serial", "-Xlint:cast", "-Xlint:-classfile", "-Xlint:dep-ann",
"-Xlint:divzero", "-Xlint:empty", "-Xlint:finally", "-Xlint:overrides",
"-Xlint:path", "-Xlint:processing", "-Xlint:static", "-Xlint:try", "-Xlint:-options",
"-parameters"
);
COMPILER_ARGS = new ArrayList<>();
COMPILER_ARGS.addAll(commonCompilerArgs);
COMPILER_ARGS.addAll(Arrays.asList(
"-Xlint:varargs", "-Xlint:fallthrough", "-Xlint:rawtypes", "-Xlint:deprecation",
"-Xlint:unchecked", "-Werror"
));
TEST_COMPILER_ARGS = new ArrayList<>();
TEST_COMPILER_ARGS.addAll(commonCompilerArgs);
TEST_COMPILER_ARGS.addAll(Arrays.asList("-Xlint:-varargs", "-Xlint:-fallthrough", "-Xlint:-rawtypes",
"-Xlint:-deprecation", "-Xlint:-unchecked"));
}
public void apply(Project project) {
project.getPlugins().withType(JavaBasePlugin.class, javaPlugin -> applyJavaCompileConventions(project));
}
/**
* Applies the common Java compiler options for main sources, test fixture sources, and
* test sources.
* @param project the current project
*/
private void applyJavaCompileConventions(Project project) {
project.getTasks().withType(JavaCompile.class)
.matching(compileTask -> compileTask.getName().equals(JavaPlugin.COMPILE_JAVA_TASK_NAME))
.forEach(compileTask -> {
compileTask.getOptions().setCompilerArgs(COMPILER_ARGS);
compileTask.getOptions().setEncoding("UTF-8");
});
project.getTasks().withType(JavaCompile.class)
.matching(compileTask -> compileTask.getName().equals(JavaPlugin.COMPILE_TEST_JAVA_TASK_NAME)
|| compileTask.getName().equals("compileTestFixturesJava"))
.forEach(compileTask -> {
compileTask.getOptions().setCompilerArgs(TEST_COMPILER_ARGS);
compileTask.getOptions().setEncoding("UTF-8");
});
}
}