diff --git a/spring-boot-project/spring-boot-tools/spring-boot-configuration-processor/src/main/java/org/springframework/boot/configurationprocessor/TypeElementMembers.java b/spring-boot-project/spring-boot-tools/spring-boot-configuration-processor/src/main/java/org/springframework/boot/configurationprocessor/TypeElementMembers.java index 75be606b3b..9a317e6314 100644 --- a/spring-boot-project/spring-boot-tools/spring-boot-configuration-processor/src/main/java/org/springframework/boot/configurationprocessor/TypeElementMembers.java +++ b/spring-boot-project/spring-boot-tools/spring-boot-configuration-processor/src/main/java/org/springframework/boot/configurationprocessor/TypeElementMembers.java @@ -28,8 +28,10 @@ import javax.lang.model.element.ExecutableElement; import javax.lang.model.element.Modifier; import javax.lang.model.element.TypeElement; import javax.lang.model.element.VariableElement; +import javax.lang.model.type.DeclaredType; import javax.lang.model.type.TypeKind; import javax.lang.model.type.TypeMirror; +import javax.lang.model.type.TypeVariable; import javax.lang.model.util.ElementFilter; /** @@ -116,8 +118,26 @@ class TypeElementMembers { private boolean isSetterReturnType(ExecutableElement method) { TypeMirror returnType = method.getReturnType(); - return (TypeKind.VOID == returnType.getKind() - || this.env.getTypeUtils().isSameType(method.getEnclosingElement().asType(), returnType)); + // void + if (TypeKind.VOID == returnType.getKind()) { + return true; + } + + TypeMirror classType = method.getEnclosingElement().asType(); + TypeUtils typeUtils = this.env.getTypeUtils(); + // Chain + if (typeUtils.isSameType(classType, returnType)) { + return true; + } + + // Chain generic type, + List genericTypes = ((DeclaredType) classType).getTypeArguments(); + return genericTypes.stream().anyMatch((genericType) -> { + TypeMirror upperBound = ((TypeVariable) genericType).getUpperBound(); + String classTypeName = typeUtils.getQualifiedName(((DeclaredType) classType).asElement()); + String genericTypeName = typeUtils.getQualifiedName(((DeclaredType) upperBound).asElement()); + return classTypeName.equals(genericTypeName); + }); } private String getAccessorName(String methodName) { diff --git a/spring-boot-project/spring-boot-tools/spring-boot-configuration-processor/src/test/java/org/springframework/boot/configurationprocessor/GenericsMetadataGenerationTests.java b/spring-boot-project/spring-boot-tools/spring-boot-configuration-processor/src/test/java/org/springframework/boot/configurationprocessor/GenericsMetadataGenerationTests.java index 0643c22cc0..8b6085d3b6 100644 --- a/spring-boot-project/spring-boot-tools/spring-boot-configuration-processor/src/test/java/org/springframework/boot/configurationprocessor/GenericsMetadataGenerationTests.java +++ b/spring-boot-project/spring-boot-tools/spring-boot-configuration-processor/src/test/java/org/springframework/boot/configurationprocessor/GenericsMetadataGenerationTests.java @@ -21,6 +21,8 @@ import org.junit.jupiter.api.Test; import org.springframework.boot.configurationprocessor.metadata.ConfigurationMetadata; import org.springframework.boot.configurationprocessor.metadata.Metadata; import org.springframework.boot.configurationsample.generic.AbstractGenericProperties; +import org.springframework.boot.configurationsample.generic.ChainGenericConfig; +import org.springframework.boot.configurationsample.generic.ChainGenericProperties; import org.springframework.boot.configurationsample.generic.ComplexGenericProperties; import org.springframework.boot.configurationsample.generic.GenericConfig; import org.springframework.boot.configurationsample.generic.SimpleGenericProperties; @@ -110,4 +112,15 @@ class GenericsMetadataGenerationTests extends AbstractMetadataGenerationTests { assertThat(metadata.getItems()).hasSize(3); } + @Test + void chainGenericProperties() { + ConfigurationMetadata metadata = compile(ChainGenericProperties.class); + assertThat(metadata).has(Metadata.withGroup("generic").fromSource(ChainGenericProperties.class)); + assertThat(metadata).has(Metadata.withGroup("generic.config", ChainGenericConfig.class) + .fromSource(ChainGenericProperties.class)); + assertThat(metadata).has(Metadata.withProperty("generic.config.ping-timeout", Integer.class) + .fromSource(ChainGenericConfig.class).withDefaultValue(null)); + assertThat(metadata.getItems()).hasSize(3); + } + } diff --git a/spring-boot-project/spring-boot-tools/spring-boot-configuration-processor/src/test/java/org/springframework/boot/configurationsample/generic/ChainGenericConfig.java b/spring-boot-project/spring-boot-tools/spring-boot-configuration-processor/src/test/java/org/springframework/boot/configurationsample/generic/ChainGenericConfig.java new file mode 100644 index 0000000000..4864b77dce --- /dev/null +++ b/spring-boot-project/spring-boot-tools/spring-boot-configuration-processor/src/test/java/org/springframework/boot/configurationsample/generic/ChainGenericConfig.java @@ -0,0 +1,41 @@ +/* + * Copyright 2012-2019 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.configurationsample.generic; + +/** + * Chain Generic + * + * @param name type + * @author L.cm + */ +public class ChainGenericConfig { + + /** + * Generic config pingTimeout. + */ + private Integer pingTimeout = 1000; + + public int getPingTimeout() { + return this.pingTimeout; + } + + public T setPingTimeout(int pingTimeout) { + this.pingTimeout = pingTimeout; + return (T) this; + } + +} diff --git a/spring-boot-project/spring-boot-tools/spring-boot-configuration-processor/src/test/java/org/springframework/boot/configurationsample/generic/ChainGenericProperties.java b/spring-boot-project/spring-boot-tools/spring-boot-configuration-processor/src/test/java/org/springframework/boot/configurationsample/generic/ChainGenericProperties.java new file mode 100644 index 0000000000..0006fdf219 --- /dev/null +++ b/spring-boot-project/spring-boot-tools/spring-boot-configuration-processor/src/test/java/org/springframework/boot/configurationsample/generic/ChainGenericProperties.java @@ -0,0 +1,44 @@ +/* + * Copyright 2012-2019 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.configurationsample.generic; + +import org.springframework.boot.configurationsample.ConfigurationProperties; +import org.springframework.boot.configurationsample.NestedConfigurationProperty; + +/** + * Chain Generic Properties + * + * @author L.cm + */ +@ConfigurationProperties("generic") +public class ChainGenericProperties { + + /** + * Generic config. + */ + @NestedConfigurationProperty + private ChainGenericConfig config; + + public ChainGenericConfig getConfig() { + return this.config; + } + + public void setConfig(ChainGenericConfig config) { + this.config = config; + } + +}