Merge branch '3.3.x' into 3.4.x

This commit is contained in:
Phillip Webb 2025-01-24 18:39:14 -08:00
commit 3f00b08577
2 changed files with 342 additions and 260 deletions

View File

@ -18,41 +18,22 @@ package org.springframework.boot.build.architecture;
import java.io.File;
import java.io.IOException;
import java.net.URLDecoder;
import java.net.URLEncoder;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.StandardOpenOption;
import java.util.Collections;
import java.util.List;
import java.util.Map;
import java.util.Objects;
import java.util.function.Supplier;
import java.util.stream.Collectors;
import java.util.stream.Stream;
import com.tngtech.archunit.base.DescribedPredicate;
import com.tngtech.archunit.core.domain.JavaAnnotation;
import com.tngtech.archunit.core.domain.JavaCall;
import com.tngtech.archunit.core.domain.JavaClass;
import com.tngtech.archunit.core.domain.JavaClass.Predicates;
import com.tngtech.archunit.core.domain.JavaClasses;
import com.tngtech.archunit.core.domain.JavaMethod;
import com.tngtech.archunit.core.domain.JavaParameter;
import com.tngtech.archunit.core.domain.JavaType;
import com.tngtech.archunit.core.domain.properties.CanBeAnnotated;
import com.tngtech.archunit.core.domain.properties.HasName;
import com.tngtech.archunit.core.domain.properties.HasOwner.Predicates.With;
import com.tngtech.archunit.core.domain.properties.HasParameterTypes;
import com.tngtech.archunit.core.importer.ClassFileImporter;
import com.tngtech.archunit.lang.ArchCondition;
import com.tngtech.archunit.lang.ArchRule;
import com.tngtech.archunit.lang.ConditionEvents;
import com.tngtech.archunit.lang.EvaluationResult;
import com.tngtech.archunit.lang.SimpleConditionEvent;
import com.tngtech.archunit.lang.syntax.ArchRuleDefinition;
import com.tngtech.archunit.library.dependencies.SlicesRuleDefinition;
import org.gradle.api.DefaultTask;
import org.gradle.api.GradleException;
import org.gradle.api.Task;
import org.gradle.api.Transformer;
import org.gradle.api.file.DirectoryProperty;
import org.gradle.api.file.FileCollection;
import org.gradle.api.file.FileTree;
@ -69,8 +50,6 @@ import org.gradle.api.tasks.PathSensitivity;
import org.gradle.api.tasks.SkipWhenEmpty;
import org.gradle.api.tasks.TaskAction;
import org.springframework.util.ResourceUtils;
/**
* {@link Task} that checks for architecture problems.
*
@ -78,6 +57,7 @@ import org.springframework.util.ResourceUtils;
* @author Yanming Zhou
* @author Scott Frederick
* @author Ivan Malutin
* @author Phillip Webb
*/
public abstract class ArchitectureCheck extends DefaultTask {
@ -85,248 +65,48 @@ public abstract class ArchitectureCheck extends DefaultTask {
public ArchitectureCheck() {
getOutputDirectory().convention(getProject().getLayout().getBuildDirectory().dir(getName()));
getProhibitObjectsRequireNonNull().convention(true);
getRules().addAll(allPackagesShouldBeFreeOfTangles(),
allBeanPostProcessorBeanMethodsShouldBeStaticAndHaveParametersThatWillNotCausePrematureInitialization(),
allBeanFactoryPostProcessorBeanMethodsShouldBeStaticAndHaveNoParameters(),
noClassesShouldCallStepVerifierStepVerifyComplete(),
noClassesShouldConfigureDefaultStepVerifierTimeout(), noClassesShouldCallCollectorsToList(),
noClassesShouldCallURLEncoderWithStringEncoding(), noClassesShouldCallURLDecoderWithStringEncoding(),
noClassesShouldLoadResourcesUsingResourceUtils(), noClassesShouldCallStringToUpperCaseWithoutLocale(),
noClassesShouldCallStringToLowerCaseWithoutLocale(),
conditionalOnMissingBeanShouldNotSpecifyOnlyATypeThatIsTheSameAsMethodReturnType(),
enumSourceShouldNotSpecifyOnlyATypeThatIsTheSameAsMethodParameterType());
getRules().addAll(getProhibitObjectsRequireNonNull()
.map((prohibit) -> prohibit ? noClassesShouldCallObjectsRequireNonNull() : Collections.emptyList()));
getRuleDescriptions().set(getRules().map((rules) -> rules.stream().map(ArchRule::getDescription).toList()));
getRules().addAll(getProhibitObjectsRequireNonNull().convention(true)
.map(whenTrue(ArchitectureRules::noClassesShouldCallObjectsRequireNonNull)));
getRules().addAll(ArchitectureRules.standard());
getRuleDescriptions().set(getRules().map(this::asDescriptions));
}
private Transformer<List<ArchRule>, Boolean> whenTrue(Supplier<List<ArchRule>> rules) {
return (in) -> (!in) ? Collections.emptyList() : rules.get();
}
private List<String> asDescriptions(List<ArchRule> rules) {
return rules.stream().map(ArchRule::getDescription).toList();
}
@TaskAction
void checkArchitecture() throws IOException {
JavaClasses javaClasses = new ClassFileImporter()
.importPaths(this.classes.getFiles().stream().map(File::toPath).toList());
List<EvaluationResult> violations = getRules().get()
.stream()
.map((rule) -> rule.evaluate(javaClasses))
.filter(EvaluationResult::hasViolation)
.toList();
JavaClasses javaClasses = new ClassFileImporter().importPaths(classFilesPaths());
List<EvaluationResult> violations = evaluate(javaClasses).filter(EvaluationResult::hasViolation).toList();
File outputFile = getOutputDirectory().file("failure-report.txt").get().getAsFile();
outputFile.getParentFile().mkdirs();
writeViolationReport(violations, outputFile);
if (!violations.isEmpty()) {
StringBuilder report = new StringBuilder();
for (EvaluationResult violation : violations) {
report.append(violation.getFailureReport());
report.append(String.format("%n"));
}
Files.writeString(outputFile.toPath(), report.toString(), StandardOpenOption.CREATE,
StandardOpenOption.TRUNCATE_EXISTING);
throw new GradleException("Architecture check failed. See '" + outputFile + "' for details.");
}
else {
outputFile.createNewFile();
}
private List<Path> classFilesPaths() {
return this.classes.getFiles().stream().map(File::toPath).toList();
}
private Stream<EvaluationResult> evaluate(JavaClasses javaClasses) {
return getRules().get().stream().map((rule) -> rule.evaluate(javaClasses));
}
private void writeViolationReport(List<EvaluationResult> violations, File outputFile) throws IOException {
outputFile.getParentFile().mkdirs();
StringBuilder report = new StringBuilder();
for (EvaluationResult violation : violations) {
report.append(violation.getFailureReport());
report.append(String.format("%n"));
}
}
private ArchRule allPackagesShouldBeFreeOfTangles() {
return SlicesRuleDefinition.slices().matching("(**)").should().beFreeOfCycles();
}
private ArchRule allBeanPostProcessorBeanMethodsShouldBeStaticAndHaveParametersThatWillNotCausePrematureInitialization() {
return ArchRuleDefinition.methods()
.that()
.areAnnotatedWith("org.springframework.context.annotation.Bean")
.and()
.haveRawReturnType(Predicates.assignableTo("org.springframework.beans.factory.config.BeanPostProcessor"))
.should(onlyHaveParametersThatWillNotCauseEagerInitialization())
.andShould()
.beStatic()
.allowEmptyShould(true);
}
private ArchCondition<JavaMethod> onlyHaveParametersThatWillNotCauseEagerInitialization() {
DescribedPredicate<CanBeAnnotated> notAnnotatedWithLazy = DescribedPredicate
.not(CanBeAnnotated.Predicates.annotatedWith("org.springframework.context.annotation.Lazy"));
DescribedPredicate<JavaClass> notOfASafeType = DescribedPredicate
.not(Predicates.assignableTo("org.springframework.beans.factory.ObjectProvider")
.or(Predicates.assignableTo("org.springframework.context.ApplicationContext"))
.or(Predicates.assignableTo("org.springframework.core.env.Environment")));
return new ArchCondition<>("not have parameters that will cause eager initialization") {
@Override
public void check(JavaMethod item, ConditionEvents events) {
item.getParameters()
.stream()
.filter(notAnnotatedWithLazy)
.filter((parameter) -> notOfASafeType.test(parameter.getRawType()))
.forEach((parameter) -> events.add(SimpleConditionEvent.violated(parameter,
parameter.getDescription() + " will cause eager initialization as it is "
+ notAnnotatedWithLazy.getDescription() + " and is "
+ notOfASafeType.getDescription())));
}
};
}
private ArchRule allBeanFactoryPostProcessorBeanMethodsShouldBeStaticAndHaveNoParameters() {
return ArchRuleDefinition.methods()
.that()
.areAnnotatedWith("org.springframework.context.annotation.Bean")
.and()
.haveRawReturnType(
Predicates.assignableTo("org.springframework.beans.factory.config.BeanFactoryPostProcessor"))
.should(onlyInjectEnvironment())
.andShould()
.beStatic()
.allowEmptyShould(true);
}
private ArchCondition<JavaMethod> onlyInjectEnvironment() {
return new ArchCondition<>("only inject Environment") {
@Override
public void check(JavaMethod item, ConditionEvents events) {
List<JavaParameter> parameters = item.getParameters();
for (JavaParameter parameter : parameters) {
if (!"org.springframework.core.env.Environment".equals(parameter.getType().getName())) {
events.add(SimpleConditionEvent.violated(item,
item.getDescription() + " should only inject Environment"));
}
}
}
};
}
private ArchRule noClassesShouldCallStringToLowerCaseWithoutLocale() {
return ArchRuleDefinition.noClasses()
.should()
.callMethod(String.class, "toLowerCase")
.because("String.toLowerCase(Locale.ROOT) should be used instead");
}
private ArchRule noClassesShouldCallStringToUpperCaseWithoutLocale() {
return ArchRuleDefinition.noClasses()
.should()
.callMethod(String.class, "toUpperCase")
.because("String.toUpperCase(Locale.ROOT) should be used instead");
}
private ArchRule noClassesShouldCallStepVerifierStepVerifyComplete() {
return ArchRuleDefinition.noClasses()
.should()
.callMethod("reactor.test.StepVerifier$Step", "verifyComplete")
.because("it can block indefinitely and expectComplete().verify(Duration) should be used instead");
}
private ArchRule noClassesShouldConfigureDefaultStepVerifierTimeout() {
return ArchRuleDefinition.noClasses()
.should()
.callMethod("reactor.test.StepVerifier", "setDefaultTimeout", "java.time.Duration")
.because("expectComplete().verify(Duration) should be used instead");
}
private ArchRule noClassesShouldCallCollectorsToList() {
return ArchRuleDefinition.noClasses()
.should()
.callMethod(Collectors.class, "toList")
.because("java.util.stream.Stream.toList() should be used instead");
}
private ArchRule noClassesShouldCallURLEncoderWithStringEncoding() {
return ArchRuleDefinition.noClasses()
.should()
.callMethod(URLEncoder.class, "encode", String.class, String.class)
.because("java.net.URLEncoder.encode(String s, Charset charset) should be used instead");
}
private ArchRule noClassesShouldCallURLDecoderWithStringEncoding() {
return ArchRuleDefinition.noClasses()
.should()
.callMethod(URLDecoder.class, "decode", String.class, String.class)
.because("java.net.URLDecoder.decode(String s, Charset charset) should be used instead");
}
private ArchRule noClassesShouldLoadResourcesUsingResourceUtils() {
return ArchRuleDefinition.noClasses()
.should()
.callMethodWhere(JavaCall.Predicates.target(With.owner(Predicates.type(ResourceUtils.class)))
.and(JavaCall.Predicates.target(HasName.Predicates.name("getURL")))
.and(JavaCall.Predicates.target(HasParameterTypes.Predicates.rawParameterTypes(String.class)))
.or(JavaCall.Predicates.target(With.owner(Predicates.type(ResourceUtils.class)))
.and(JavaCall.Predicates.target(HasName.Predicates.name("getFile")))
.and(JavaCall.Predicates.target(HasParameterTypes.Predicates.rawParameterTypes(String.class)))))
.because("org.springframework.boot.io.ApplicationResourceLoader should be used instead");
}
private List<ArchRule> noClassesShouldCallObjectsRequireNonNull() {
return List.of(
ArchRuleDefinition.noClasses()
.should()
.callMethod(Objects.class, "requireNonNull", Object.class, String.class)
.because("org.springframework.utils.Assert.notNull(Object, String) should be used instead"),
ArchRuleDefinition.noClasses()
.should()
.callMethod(Objects.class, "requireNonNull", Object.class, Supplier.class)
.because("org.springframework.utils.Assert.notNull(Object, Supplier) should be used instead"));
}
private ArchRule conditionalOnMissingBeanShouldNotSpecifyOnlyATypeThatIsTheSameAsMethodReturnType() {
return ArchRuleDefinition.methods()
.that()
.areAnnotatedWith("org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean")
.should(notSpecifyOnlyATypeThatIsTheSameAsTheMethodReturnType())
.allowEmptyShould(true);
}
private ArchCondition<? super JavaMethod> notSpecifyOnlyATypeThatIsTheSameAsTheMethodReturnType() {
return new ArchCondition<>("not specify only a type that is the same as the method's return type") {
@Override
public void check(JavaMethod item, ConditionEvents events) {
JavaAnnotation<JavaMethod> conditional = item
.getAnnotationOfType("org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean");
Map<String, Object> properties = conditional.getProperties();
if (!properties.containsKey("type") && !properties.containsKey("name")) {
conditional.get("value").ifPresent((value) -> {
JavaType[] types = (JavaType[]) value;
if (types.length == 1 && item.getReturnType().equals(types[0])) {
events.add(SimpleConditionEvent.violated(item, conditional.getDescription()
+ " should not specify only a value that is the same as the method's return type"));
}
});
}
}
};
}
private ArchRule enumSourceShouldNotSpecifyOnlyATypeThatIsTheSameAsMethodParameterType() {
return ArchRuleDefinition.methods()
.that()
.areAnnotatedWith("org.junit.jupiter.params.provider.EnumSource")
.should(notSpecifyOnlyATypeThatIsTheSameAsTheMethodParameterType())
.allowEmptyShould(true);
}
private ArchCondition<? super JavaMethod> notSpecifyOnlyATypeThatIsTheSameAsTheMethodParameterType() {
return new ArchCondition<>("not specify only a type that is the same as the method's parameter type") {
@Override
public void check(JavaMethod item, ConditionEvents events) {
JavaAnnotation<JavaMethod> conditional = item
.getAnnotationOfType("org.junit.jupiter.params.provider.EnumSource");
Map<String, Object> properties = conditional.getProperties();
if (properties.size() == 1 && item.getParameterTypes().size() == 1) {
conditional.get("value").ifPresent((value) -> {
if (value.equals(item.getParameterTypes().get(0))) {
events.add(SimpleConditionEvent.violated(item, conditional.getDescription()
+ " should not specify only a value that is the same as the method's parameter type"));
}
});
}
}
};
Files.writeString(outputFile.toPath(), report.toString(), StandardOpenOption.CREATE,
StandardOpenOption.TRUNCATE_EXISTING);
}
public void setClasses(FileCollection classes) {
@ -360,9 +140,7 @@ public abstract class ArchitectureCheck extends DefaultTask {
@Internal
public abstract Property<Boolean> getProhibitObjectsRequireNonNull();
@Input
// The rules themselves can't be an input as they aren't serializable so we use
// their descriptions instead
@Input // Use descriptions as input since rules aren't serializable
abstract ListProperty<String> getRuleDescriptions();
}

View File

@ -0,0 +1,304 @@
/*
* Copyright 2024 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.boot.build.architecture;
import java.net.URLDecoder;
import java.net.URLEncoder;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import java.util.Objects;
import java.util.function.BiConsumer;
import java.util.function.Supplier;
import java.util.stream.Collectors;
import com.tngtech.archunit.base.DescribedPredicate;
import com.tngtech.archunit.core.domain.AccessTarget.CodeUnitCallTarget;
import com.tngtech.archunit.core.domain.JavaAnnotation;
import com.tngtech.archunit.core.domain.JavaCall;
import com.tngtech.archunit.core.domain.JavaClass;
import com.tngtech.archunit.core.domain.JavaClass.Predicates;
import com.tngtech.archunit.core.domain.JavaMethod;
import com.tngtech.archunit.core.domain.JavaParameter;
import com.tngtech.archunit.core.domain.JavaType;
import com.tngtech.archunit.core.domain.properties.CanBeAnnotated;
import com.tngtech.archunit.core.domain.properties.HasName;
import com.tngtech.archunit.core.domain.properties.HasOwner;
import com.tngtech.archunit.core.domain.properties.HasOwner.Predicates.With;
import com.tngtech.archunit.core.domain.properties.HasParameterTypes;
import com.tngtech.archunit.lang.ArchCondition;
import com.tngtech.archunit.lang.ArchRule;
import com.tngtech.archunit.lang.ConditionEvents;
import com.tngtech.archunit.lang.SimpleConditionEvent;
import com.tngtech.archunit.lang.syntax.ArchRuleDefinition;
import com.tngtech.archunit.lang.syntax.elements.ClassesShould;
import com.tngtech.archunit.lang.syntax.elements.GivenMethodsConjunction;
import com.tngtech.archunit.library.dependencies.SlicesRuleDefinition;
import org.springframework.util.ResourceUtils;
/**
* Factory used to create {@link ArchRule architecture rules}.
*
* @author Andy Wilkinson
* @author Yanming Zhou
* @author Scott Frederick
* @author Ivan Malutin
* @author Phillip Webb
*/
final class ArchitectureRules {
private ArchitectureRules() {
}
static List<ArchRule> noClassesShouldCallObjectsRequireNonNull() {
return List.of(
noClassesShould().callMethod(Objects.class, "requireNonNull", Object.class, String.class)
.because(shouldUse("org.springframework.utils.Assert.notNull(Object, String)")),
noClassesShould().callMethod(Objects.class, "requireNonNull", Object.class, Supplier.class)
.because(shouldUse("org.springframework.utils.Assert.notNull(Object, Supplier)")));
}
static List<ArchRule> standard() {
List<ArchRule> rules = new ArrayList<>();
rules.add(allPackagesShouldBeFreeOfTangles());
rules.add(allBeanPostProcessorBeanMethodsShouldBeStaticAndNotCausePrematureInitialization());
rules.add(allBeanFactoryPostProcessorBeanMethodsShouldBeStaticAndHaveOnlyInjectEnvironment());
rules.add(noClassesShouldCallStepVerifierStepVerifyComplete());
rules.add(noClassesShouldConfigureDefaultStepVerifierTimeout());
rules.add(noClassesShouldCallCollectorsToList());
rules.add(noClassesShouldCallURLEncoderWithStringEncoding());
rules.add(noClassesShouldCallURLDecoderWithStringEncoding());
rules.add(noClassesShouldLoadResourcesUsingResourceUtils());
rules.add(noClassesShouldCallStringToUpperCaseWithoutLocale());
rules.add(noClassesShouldCallStringToLowerCaseWithoutLocale());
rules.add(conditionalOnMissingBeanShouldNotSpecifyOnlyATypeThatIsTheSameAsMethodReturnType());
rules.add(enumSourceShouldNotSpecifyOnlyATypeThatIsTheSameAsMethodParameterType());
return List.copyOf(rules);
}
private static ArchRule allPackagesShouldBeFreeOfTangles() {
return SlicesRuleDefinition.slices().matching("(**)").should().beFreeOfCycles();
}
private static ArchRule allBeanPostProcessorBeanMethodsShouldBeStaticAndNotCausePrematureInitialization() {
return methodsThatAreAnnotatedWith("org.springframework.context.annotation.Bean").and()
.haveRawReturnType(assignableTo("org.springframework.beans.factory.config.BeanPostProcessor"))
.should(onlyHaveParametersThatWillNotCauseEagerInitialization())
.andShould()
.beStatic()
.allowEmptyShould(true);
}
private static ArchCondition<JavaMethod> onlyHaveParametersThatWillNotCauseEagerInitialization() {
return check("not have parameters that will cause eager initialization",
ArchitectureRules::allBeanPostProcessorBeanMethodsShouldBeStaticAndNotCausePrematureInitialization);
}
private static void allBeanPostProcessorBeanMethodsShouldBeStaticAndNotCausePrematureInitialization(JavaMethod item,
ConditionEvents events) {
DescribedPredicate<JavaParameter> notAnnotatedWithLazy = DescribedPredicate
.not(CanBeAnnotated.Predicates.annotatedWith("org.springframework.context.annotation.Lazy"));
DescribedPredicate<JavaClass> notOfASafeType = notAssignableTo(
"org.springframework.beans.factory.ObjectProvider", "org.springframework.context.ApplicationContext",
"org.springframework.core.env.Environment");
item.getParameters()
.stream()
.filter(notAnnotatedWithLazy)
.filter((parameter) -> notOfASafeType.test(parameter.getRawType()))
.forEach((parameter) -> events.add(SimpleConditionEvent.violated(parameter,
parameter.getDescription() + " will cause eager initialization as it is "
+ notAnnotatedWithLazy.getDescription() + " and is " + notOfASafeType.getDescription())));
}
private static ArchRule allBeanFactoryPostProcessorBeanMethodsShouldBeStaticAndHaveOnlyInjectEnvironment() {
return methodsThatAreAnnotatedWith("org.springframework.context.annotation.Bean").and()
.haveRawReturnType(assignableTo("org.springframework.beans.factory.config.BeanFactoryPostProcessor"))
.should(onlyInjectEnvironment())
.andShould()
.beStatic()
.allowEmptyShould(true);
}
private static ArchCondition<JavaMethod> onlyInjectEnvironment() {
return check("only inject Environment", ArchitectureRules::onlyInjectEnvironment);
}
private static void onlyInjectEnvironment(JavaMethod item, ConditionEvents events) {
if (item.getParameters().stream().anyMatch(ArchitectureRules::isNotEnvironment)) {
events.add(SimpleConditionEvent.violated(item, item.getDescription() + " should only inject Environment"));
}
}
private static boolean isNotEnvironment(JavaParameter parameter) {
return !"org.springframework.core.env.Environment".equals(parameter.getType().getName());
}
private static ArchRule noClassesShouldCallStepVerifierStepVerifyComplete() {
return noClassesShould().callMethod("reactor.test.StepVerifier$Step", "verifyComplete")
.because("it can block indefinitely and " + shouldUse("expectComplete().verify(Duration)"));
}
private static ArchRule noClassesShouldConfigureDefaultStepVerifierTimeout() {
return noClassesShould().callMethod("reactor.test.StepVerifier", "setDefaultTimeout", "java.time.Duration")
.because(shouldUse("expectComplete().verify(Duration)"));
}
private static ArchRule noClassesShouldCallCollectorsToList() {
return noClassesShould().callMethod(Collectors.class, "toList")
.because(shouldUse("java.util.stream.Stream.toList()"));
}
private static ArchRule noClassesShouldCallURLEncoderWithStringEncoding() {
return noClassesShould().callMethod(URLEncoder.class, "encode", String.class, String.class)
.because(shouldUse("java.net.URLEncoder.encode(String s, Charset charset)"));
}
private static ArchRule noClassesShouldCallURLDecoderWithStringEncoding() {
return noClassesShould().callMethod(URLDecoder.class, "decode", String.class, String.class)
.because(shouldUse("java.net.URLDecoder.decode(String s, Charset charset)"));
}
private static ArchRule noClassesShouldLoadResourcesUsingResourceUtils() {
DescribedPredicate<JavaCall<?>> resourceUtilsGetURL = hasJavaCallTarget(ownedByResourceUtils())
.and(hasJavaCallTarget(hasNameOf("getURL")))
.and(hasJavaCallTarget(hasRawStringParameterType()));
DescribedPredicate<JavaCall<?>> resourceUtilsGetFile = hasJavaCallTarget(ownedByResourceUtils())
.and(hasJavaCallTarget(hasNameOf("getFile")))
.and(hasJavaCallTarget(hasRawStringParameterType()));
return noClassesShould().callMethodWhere(resourceUtilsGetURL.or(resourceUtilsGetFile))
.because(shouldUse("org.springframework.boot.io.ApplicationResourceLoader"));
}
private static ArchRule noClassesShouldCallStringToUpperCaseWithoutLocale() {
return noClassesShould().callMethod(String.class, "toUpperCase")
.because(shouldUse("String.toUpperCase(Locale.ROOT)"));
}
private static ArchRule noClassesShouldCallStringToLowerCaseWithoutLocale() {
return noClassesShould().callMethod(String.class, "toLowerCase")
.because(shouldUse("String.toLowerCase(Locale.ROOT)"));
}
private static ArchRule conditionalOnMissingBeanShouldNotSpecifyOnlyATypeThatIsTheSameAsMethodReturnType() {
return methodsThatAreAnnotatedWith("org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean")
.should(notSpecifyOnlyATypeThatIsTheSameAsTheMethodReturnType())
.allowEmptyShould(true);
}
private static ArchCondition<? super JavaMethod> notSpecifyOnlyATypeThatIsTheSameAsTheMethodReturnType() {
return check("not specify only a type that is the same as the method's return type", (item, events) -> {
JavaAnnotation<JavaMethod> conditionalAnnotation = item
.getAnnotationOfType("org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean");
Map<String, Object> properties = conditionalAnnotation.getProperties();
if (!properties.containsKey("type") && !properties.containsKey("name")) {
conditionalAnnotation.get("value").ifPresent((value) -> {
if (containsOnlySingleType((JavaType[]) value, item.getReturnType())) {
events.add(SimpleConditionEvent.violated(item, conditionalAnnotation.getDescription()
+ " should not specify only a value that is the same as the method's return type"));
}
});
}
});
}
private static ArchRule enumSourceShouldNotSpecifyOnlyATypeThatIsTheSameAsMethodParameterType() {
return ArchRuleDefinition.methods()
.that()
.areAnnotatedWith("org.junit.jupiter.params.provider.EnumSource")
.should(notSpecifyOnlyATypeThatIsTheSameAsTheMethodParameterType())
.allowEmptyShould(true);
}
private static ArchCondition<? super JavaMethod> notSpecifyOnlyATypeThatIsTheSameAsTheMethodParameterType() {
return check("not specify only a type that is the same as the method's parameter type",
ArchitectureRules::notSpecifyOnlyATypeThatIsTheSameAsTheMethodParameterType);
}
private static void notSpecifyOnlyATypeThatIsTheSameAsTheMethodParameterType(JavaMethod item,
ConditionEvents events) {
JavaAnnotation<JavaMethod> enumSourceAnnotation = item
.getAnnotationOfType("org.junit.jupiter.params.provider.EnumSource");
Map<String, Object> properties = enumSourceAnnotation.getProperties();
if (properties.size() == 1 && item.getParameterTypes().size() == 1) {
enumSourceAnnotation.get("value").ifPresent((value) -> {
if (value.equals(item.getParameterTypes().get(0))) {
events.add(SimpleConditionEvent.violated(item, enumSourceAnnotation.getDescription()
+ " should not specify only a value that is the same as the method's parameter type"));
}
});
}
}
private static boolean containsOnlySingleType(JavaType[] types, JavaType type) {
return types.length == 1 && type.equals(types[0]);
}
private static ClassesShould noClassesShould() {
return ArchRuleDefinition.noClasses().should();
}
private static GivenMethodsConjunction methodsThatAreAnnotatedWith(String annotation) {
return ArchRuleDefinition.methods().that().areAnnotatedWith(annotation);
}
private static DescribedPredicate<HasOwner<JavaClass>> ownedByResourceUtils() {
return With.owner(Predicates.type(ResourceUtils.class));
}
private static DescribedPredicate<? super CodeUnitCallTarget> hasNameOf(String name) {
return HasName.Predicates.name(name);
}
private static DescribedPredicate<HasParameterTypes> hasRawStringParameterType() {
return HasParameterTypes.Predicates.rawParameterTypes(String.class);
}
private static DescribedPredicate<JavaCall<?>> hasJavaCallTarget(
DescribedPredicate<? super CodeUnitCallTarget> predicate) {
return JavaCall.Predicates.target(predicate);
}
private static DescribedPredicate<JavaClass> notAssignableTo(String... typeNames) {
return DescribedPredicate.not(assignableTo(typeNames));
}
private static DescribedPredicate<JavaClass> assignableTo(String... typeNames) {
DescribedPredicate<JavaClass> result = null;
for (String typeName : typeNames) {
DescribedPredicate<JavaClass> assignableTo = Predicates.assignableTo(typeName);
result = (result != null) ? result.or(assignableTo) : assignableTo;
}
return result;
}
private static <T> ArchCondition<T> check(String description, BiConsumer<T, ConditionEvents> check) {
return new ArchCondition<>(description) {
@Override
public void check(T item, ConditionEvents events) {
check.accept(item, events);
}
};
}
private static String shouldUse(String string) {
return string + " should be used instead";
}
}