From e58d21458f49a081f78ea169659d5d0048c48715 Mon Sep 17 00:00:00 2001
From: Roberto Cortez <radcortez@yahoo.com>
Date: Tue, 14 Jan 2025 23:44:36 +0000
Subject: [PATCH] Avoid ambiguous names when matching unknown configuration

---
 .../BuildTimeConfigurationReader.java         |  6 ----
 .../RunTimeConfigurationGenerator.java        | 32 ++++++++++---------
 2 files changed, 17 insertions(+), 21 deletions(-)

diff --git a/core/deployment/src/main/java/io/quarkus/deployment/configuration/BuildTimeConfigurationReader.java b/core/deployment/src/main/java/io/quarkus/deployment/configuration/BuildTimeConfigurationReader.java
index c0e5181dfa2fc..1d3af46be5a0a 100644
--- a/core/deployment/src/main/java/io/quarkus/deployment/configuration/BuildTimeConfigurationReader.java
+++ b/core/deployment/src/main/java/io/quarkus/deployment/configuration/BuildTimeConfigurationReader.java
@@ -1274,7 +1274,6 @@ public static final class ReadResult {
         final List<ConfigClass> runTimeMappings;
         final List<ConfigClass> allMappings;
         final Map<Class<?>, ConfigClass> allMappingsByClass;
-        final Map<PropertyName, String> allMappingsNames;
 
         final Set<String> unknownBuildProperties;
         final Set<String> deprecatedRuntimeProperties;
@@ -1300,7 +1299,6 @@ public ReadResult(final Builder builder) {
             this.runTimeMappings = builder.getRunTimeMappings();
             this.allMappings = new ArrayList<>(mappingsToMap(builder).values());
             this.allMappingsByClass = mappingsToMap(builder);
-            this.allMappingsNames = ReadOperation.mappingsToNames(allMappings);
 
             this.unknownBuildProperties = builder.getUnknownBuildProperties();
             this.deprecatedRuntimeProperties = builder.deprecatedRuntimeProperties;
@@ -1390,10 +1388,6 @@ public Map<Class<?>, ConfigClass> getAllMappingsByClass() {
             return allMappingsByClass;
         }
 
-        public Map<PropertyName, String> getAllMappingsNames() {
-            return allMappingsNames;
-        }
-
         public Set<String> getUnknownBuildProperties() {
             return unknownBuildProperties;
         }
diff --git a/core/deployment/src/main/java/io/quarkus/deployment/configuration/RunTimeConfigurationGenerator.java b/core/deployment/src/main/java/io/quarkus/deployment/configuration/RunTimeConfigurationGenerator.java
index 15b092b40d967..5c7089a68ec5e 100644
--- a/core/deployment/src/main/java/io/quarkus/deployment/configuration/RunTimeConfigurationGenerator.java
+++ b/core/deployment/src/main/java/io/quarkus/deployment/configuration/RunTimeConfigurationGenerator.java
@@ -64,9 +64,9 @@
 import io.quarkus.runtime.configuration.NameIterator;
 import io.quarkus.runtime.configuration.PropertiesUtil;
 import io.quarkus.runtime.configuration.QuarkusConfigFactory;
+import io.smallrye.config.ConfigMappings;
 import io.smallrye.config.ConfigMappings.ConfigClass;
 import io.smallrye.config.Converters;
-import io.smallrye.config.PropertyName;
 import io.smallrye.config.SmallRyeConfig;
 import io.smallrye.config.SmallRyeConfigBuilder;
 
@@ -1183,24 +1183,26 @@ private FieldDescriptor getOrCreateConverterInstance(Field field, ConverterType
         }
 
         private void generateIsMapped() {
-            Map<PropertyName, String> names = buildTimeConfigResult.getAllMappingsNames();
             ConfigPatternMap<Boolean> patterns = new ConfigPatternMap<>();
-            for (Map.Entry<PropertyName, String> entry : names.entrySet()) {
-                NameIterator name = new NameIterator(entry.getValue());
-                ConfigPatternMap<Boolean> current = patterns;
-                while (name.hasNext()) {
-                    String segment = name.getNextSegment();
-                    ConfigPatternMap<Boolean> child = current.getChild(segment);
-                    if (child == null) {
-                        child = new ConfigPatternMap<>();
-                        current.addChild(segment, child);
+            List<ConfigClass> configMappings = buildTimeConfigResult.getAllMappings();
+            for (ConfigClass configMapping : configMappings) {
+                Set<String> names = ConfigMappings.getProperties(configMapping).keySet();
+                for (String name : names) {
+                    NameIterator ni = new NameIterator(name);
+                    ConfigPatternMap<Boolean> current = patterns;
+                    while (ni.hasNext()) {
+                        String segment = ni.getNextSegment();
+                        ConfigPatternMap<Boolean> child = current.getChild(segment);
+                        if (child == null) {
+                            child = new ConfigPatternMap<>();
+                            current.addChild(segment, child);
+                        }
+                        current = child;
+                        ni.next();
                     }
-                    current = child;
-                    name.next();
+                    current.setMatched(true);
                 }
-                current.setMatched(true);
             }
-
             generateIsMapped("isMapped", patterns);
         }