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@ -1,5 +1,5 @@
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/*
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/*
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* Copyright 2012-2022 the original author or authors.
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* Copyright 2012-2023 the original author or authors.
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*
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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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 not use this file except in compliance with the License.
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@ -25,6 +25,7 @@ import java.util.HashSet;
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import java.util.LinkedHashSet;
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import java.util.LinkedHashSet;
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import java.util.List;
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import java.util.List;
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import java.util.Map;
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import java.util.Map;
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import java.util.Objects;
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import java.util.Set;
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import java.util.Set;
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import org.springframework.boot.context.annotation.DeterminableImports;
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import org.springframework.boot.context.annotation.DeterminableImports;
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@ -32,6 +33,7 @@ import org.springframework.boot.context.annotation.ImportCandidates;
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import org.springframework.core.annotation.AnnotatedElementUtils;
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import org.springframework.core.annotation.AnnotatedElementUtils;
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import org.springframework.core.annotation.AnnotationAttributes;
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import org.springframework.core.annotation.AnnotationAttributes;
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import org.springframework.core.annotation.AnnotationUtils;
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import org.springframework.core.annotation.AnnotationUtils;
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import org.springframework.core.io.ClassPathResource;
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import org.springframework.core.type.AnnotationMetadata;
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import org.springframework.core.type.AnnotationMetadata;
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import org.springframework.util.ClassUtils;
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import org.springframework.util.ClassUtils;
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import org.springframework.util.LinkedMultiValueMap;
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import org.springframework.util.LinkedMultiValueMap;
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@ -49,6 +51,8 @@ import org.springframework.util.ObjectUtils;
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*/
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*/
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class ImportAutoConfigurationImportSelector extends AutoConfigurationImportSelector implements DeterminableImports {
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class ImportAutoConfigurationImportSelector extends AutoConfigurationImportSelector implements DeterminableImports {
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private static final String OPTIONAL_PREFIX = "optional:";
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private static final Set<String> ANNOTATION_NAMES;
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private static final Set<String> ANNOTATION_NAMES;
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static {
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static {
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@ -92,13 +96,27 @@ class ImportAutoConfigurationImportSelector extends AutoConfigurationImportSelec
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if (classes.length > 0) {
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if (classes.length > 0) {
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return Arrays.asList(classes);
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return Arrays.asList(classes);
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}
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}
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return loadFactoryNames(source);
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Collection<String> factoryNames = loadFactoryNames(source);
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return factoryNames.stream().map((name) -> {
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if (name.startsWith(OPTIONAL_PREFIX)) {
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name = name.substring(OPTIONAL_PREFIX.length());
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if (!present(name)) {
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return null;
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}
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}
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return name;
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}).filter(Objects::nonNull).toList();
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}
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}
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protected Collection<String> loadFactoryNames(Class<?> source) {
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protected Collection<String> loadFactoryNames(Class<?> source) {
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return ImportCandidates.load(source, getBeanClassLoader()).getCandidates();
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return ImportCandidates.load(source, getBeanClassLoader()).getCandidates();
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}
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}
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private boolean present(String className) {
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String resourcePath = ClassUtils.convertClassNameToResourcePath(className) + ".class";
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return new ClassPathResource(resourcePath).exists();
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}
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@Override
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@Override
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protected Set<String> getExclusions(AnnotationMetadata metadata, AnnotationAttributes attributes) {
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protected Set<String> getExclusions(AnnotationMetadata metadata, AnnotationAttributes attributes) {
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Set<String> exclusions = new LinkedHashSet<>();
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Set<String> exclusions = new LinkedHashSet<>();
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