diff --git a/spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/template/TemplateRuntimeHints.java b/spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/template/TemplateRuntimeHints.java new file mode 100644 index 00000000000..9184b7b2136 --- /dev/null +++ b/spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/template/TemplateRuntimeHints.java @@ -0,0 +1,34 @@ +/* + * Copyright 2012-2022 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.boot.autoconfigure.template; + +import org.springframework.aot.hint.RuntimeHints; +import org.springframework.aot.hint.RuntimeHintsRegistrar; + +/** + * {@link RuntimeHintsRegistrar} for default template location. + * + * @author Stephane Nicoll + */ +class TemplateRuntimeHints implements RuntimeHintsRegistrar { + + @Override + public void registerHints(RuntimeHints hints, ClassLoader classLoader) { + hints.resources().registerPatternIfPresent(classLoader, "templates", (hint) -> hint.includes("templates/*")); + } + +} diff --git a/spring-boot-project/spring-boot-autoconfigure/src/main/resources/META-INF/spring/aot.factories b/spring-boot-project/spring-boot-autoconfigure/src/main/resources/META-INF/spring/aot.factories new file mode 100644 index 00000000000..2db0bcfa762 --- /dev/null +++ b/spring-boot-project/spring-boot-autoconfigure/src/main/resources/META-INF/spring/aot.factories @@ -0,0 +1,2 @@ +org.springframework.aot.hint.RuntimeHintsRegistrar=\ +org.springframework.boot.autoconfigure.template.TemplateRuntimeHints diff --git a/spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/template/TemplateRuntimeHintsTests.java b/spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/template/TemplateRuntimeHintsTests.java new file mode 100644 index 00000000000..b832ef19361 --- /dev/null +++ b/spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/template/TemplateRuntimeHintsTests.java @@ -0,0 +1,70 @@ +/* + * Copyright 2012-2022 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.boot.autoconfigure.template; + +import java.util.List; +import java.util.function.Predicate; + +import org.junit.jupiter.api.Test; + +import org.springframework.aot.hint.RuntimeHints; +import org.springframework.aot.hint.RuntimeHintsRegistrar; +import org.springframework.aot.hint.predicate.RuntimeHintsPredicates; +import org.springframework.beans.factory.aot.AotFactoriesLoader; +import org.springframework.beans.factory.support.DefaultListableBeanFactory; +import org.springframework.boot.test.context.FilteredClassLoader; +import org.springframework.core.io.ClassPathResource; + +import static org.assertj.core.api.Assertions.assertThat; + +/** + * Tests for {@link TemplateRuntimeHints}.$ + * + * @author Stephane Nicoll + */ +class TemplateRuntimeHintsTests { + + public static final Predicate TEST_PREDICATE = RuntimeHintsPredicates.resource() + .forResource("templates/something/hello.html"); + + @Test + void templateRuntimeHintsIsRegistered() { + List registrar = new AotFactoriesLoader(new DefaultListableBeanFactory()) + .load(RuntimeHintsRegistrar.class); + assertThat(registrar).anyMatch(TemplateRuntimeHints.class::isInstance); + } + + @Test + void contributeWhenTemplateLocationExists() { + RuntimeHints runtimeHints = contribute(getClass().getClassLoader()); + assertThat(TEST_PREDICATE.test(runtimeHints)).isTrue(); + } + + @Test + void contributeWhenTemplateLocationDoesNotExist() { + FilteredClassLoader classLoader = new FilteredClassLoader(new ClassPathResource("templates")); + RuntimeHints runtimeHints = contribute(classLoader); + assertThat(TEST_PREDICATE.test(runtimeHints)).isFalse(); + } + + private RuntimeHints contribute(ClassLoader classLoader) { + RuntimeHints runtimeHints = new RuntimeHints(); + new TemplateRuntimeHints().registerHints(runtimeHints, classLoader); + return runtimeHints; + } + +}