in spring-boot-project/spring-boot-tools/spring-boot-configuration-processor/src/main/java/org/springframework/boot/configurationprocessor/metadata/ConfigurationMetadata.java [105:136]
protected void mergeItemMetadata(ItemMetadata metadata) {
ItemMetadata matching = findMatchingItemMetadata(metadata);
if (matching != null) {
if (metadata.getDescription() != null) {
matching.setDescription(metadata.getDescription());
}
if (metadata.getDefaultValue() != null) {
matching.setDefaultValue(metadata.getDefaultValue());
}
ItemDeprecation deprecation = metadata.getDeprecation();
ItemDeprecation matchingDeprecation = matching.getDeprecation();
if (deprecation != null) {
if (matchingDeprecation == null) {
matching.setDeprecation(deprecation);
}
else {
if (deprecation.getReason() != null) {
matchingDeprecation.setReason(deprecation.getReason());
}
if (deprecation.getReplacement() != null) {
matchingDeprecation.setReplacement(deprecation.getReplacement());
}
if (deprecation.getLevel() != null) {
matchingDeprecation.setLevel(deprecation.getLevel());
}
}
}
}
else {
add(this.items, metadata.getName(), metadata);
}
}