Generate auto-configuration OnBean data
Update the auto-configuration annotation processor to generate properties for `@ConditionalOnBean` and `@ConditionalOnSingleCandidate`. See gh-13328pull/14592/head
Phillip Webb
6 years ago
parent
e4f54a45be
commit
586507c49a
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/*
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* Copyright 2012-2018 the original author or authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.springframework.boot.autoconfigureprocessor;
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import javax.lang.model.element.Element;
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import javax.lang.model.element.TypeElement;
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import javax.lang.model.type.DeclaredType;
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import javax.lang.model.type.TypeMirror;
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/**
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* Utilities for dealing with {@link Element} classes.
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*
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* @author Phillip Webb
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*/
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final class Elements {
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private Elements() {
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}
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static String getQualifiedName(Element element) {
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if (element != null) {
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TypeElement enclosingElement = getEnclosingTypeElement(element.asType());
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if (enclosingElement != null) {
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return getQualifiedName(enclosingElement) + "$"
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+ ((DeclaredType) element.asType()).asElement().getSimpleName()
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.toString();
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}
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if (element instanceof TypeElement) {
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return ((TypeElement) element).getQualifiedName().toString();
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}
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}
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return null;
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}
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private static TypeElement getEnclosingTypeElement(TypeMirror type) {
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if (type instanceof DeclaredType) {
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DeclaredType declaredType = (DeclaredType) type;
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Element enclosingElement = declaredType.asElement().getEnclosingElement();
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if (enclosingElement != null && enclosingElement instanceof TypeElement) {
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return (TypeElement) enclosingElement;
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}
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}
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return null;
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}
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}
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/*
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* Copyright 2012-2018 the original author or authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.springframework.boot.autoconfigureprocessor;
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import java.lang.annotation.Annotation;
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import java.lang.annotation.Documented;
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import java.lang.annotation.ElementType;
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import java.lang.annotation.Retention;
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import java.lang.annotation.RetentionPolicy;
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import java.lang.annotation.Target;
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/**
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* Alternative to Spring Boot's {@code ConditionalOnBean} for testing (removes the need
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* for a dependency on the real annotation).
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*
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* @author Phillip Webb
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*/
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@Target({ ElementType.TYPE, ElementType.METHOD })
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@Retention(RetentionPolicy.RUNTIME)
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@Documented
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public @interface TestConditionalOnBean {
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Class<?>[] value() default {};
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String[] type() default {};
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Class<? extends Annotation>[] annotation() default {};
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String[] name() default {};
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}
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@ -0,0 +1,40 @@
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/*
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* Copyright 2012-2018 the original author or authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.springframework.boot.autoconfigureprocessor;
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import java.lang.annotation.Documented;
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import java.lang.annotation.ElementType;
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import java.lang.annotation.Retention;
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import java.lang.annotation.RetentionPolicy;
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import java.lang.annotation.Target;
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/**
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* Alternative to Spring Boot's {@code ConditionalOnSingleCandidate} for testing (removes
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* the need for a dependency on the real annotation).
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*
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* @author Phillip Webb
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*/
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@Target({ ElementType.TYPE, ElementType.METHOD })
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@Retention(RetentionPolicy.RUNTIME)
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@Documented
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public @interface TestConditionalOnSingleCandidate {
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Class<?> value() default Object.class;
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String type() default "";
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}
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@ -0,0 +1,28 @@
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/*
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* Copyright 2012-2018 the original author or authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.springframework.boot.autoconfigureprocessor;
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/**
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* Test configuration with an annotated class.
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*
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* @author Phillip Webb
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*/
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@TestConfiguration
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@TestConditionalOnBean(name = "test", type = "java.io.OutputStream")
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public class TestOnBeanWithNameClassConfiguration {
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}
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