Fix SQL file duplication by filtering based on DAO package name

Modified sqlFilesProvider() to include only SQL files matching the DAO package structure,
preventing duplicate SQL files from being processed during code generation.

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <[email protected]>

Author: nakamura-to

codegen/src/main/java/org/seasar/doma/gradle/codegen/extension/CodeGenConfig.java

@@ -12,6 +12,7 @@
 import java.util.Set;
 import javax.inject.Inject;
 import javax.sql.DataSource;
+
 import org.gradle.api.Action;
 import org.gradle.api.Project;
 import org.gradle.api.artifacts.Configuration;
@@ -152,19 +153,19 @@ private void applyDefaults(Project project) {
 
   private Provider<DataSource> dataSourceProvider() {
     return url.map(
-        it -> {
-          String driverClassName = JdbcUtil.inferDriverClassName(it);
-          if (driverClassName == null) {
-            throw new CodeGenException(Message.DOMAGEN0024);
-          }
-          ClassLoader classLoader = createClassLoader();
-          Driver driver =
-              ClassUtil.newInstance(Driver.class, driverClassName, "driverClassName", classLoader);
-          DriverWrapper driverWrapper = new DriverWrapper(driver);
-          return globalFactory
-              .get()
-              .createDataSource(driverWrapper, user.getOrNull(), password.getOrNull(), url.get());
-        });
+            it -> {
+              String driverClassName = JdbcUtil.inferDriverClassName(it);
+              if (driverClassName == null) {
+                throw new CodeGenException(Message.DOMAGEN0024);
+              }
+              ClassLoader classLoader = createClassLoader();
+              Driver driver =
+                      ClassUtil.newInstance(Driver.class, driverClassName, "driverClassName", classLoader);
+              DriverWrapper driverWrapper = new DriverWrapper(driver);
+              return globalFactory
+                      .get()
+                      .createDataSource(driverWrapper, user.getOrNull(), password.getOrNull(), url.get());
+            });
   }
 
   protected ClassLoader createClassLoader() {
@@ -186,17 +187,17 @@ protected ClassLoader createClassLoader() {
 
   private Provider<CodeGenDialect> codeGenDialectProvider() {
     return url.map(
-        it -> {
-          String dialectName = JdbcUtil.inferDialectName(it);
-          if (dialectName == null) {
-            throw new CodeGenException(Message.DOMAGEN0025);
-          }
-          CodeGenDialect codeGenDialect = CodeGenDialectRegistry.lookup(dialectName);
-          if (codeGenDialect == null) {
-            throw new CodeGenException(Message.DOMAGEN0023, dialectName);
-          }
-          return codeGenDialect;
-        });
+            it -> {
+              String dialectName = JdbcUtil.inferDialectName(it);
+              if (dialectName == null) {
+                throw new CodeGenException(Message.DOMAGEN0025);
+              }
+              CodeGenDialect codeGenDialect = CodeGenDialectRegistry.lookup(dialectName);
+              if (codeGenDialect == null) {
+                throw new CodeGenException(Message.DOMAGEN0023, dialectName);
+              }
+              return codeGenDialect;
+            });
   }
 
   private Provider<LanguageClassResolver> languageClassResolverProvider() {
@@ -205,29 +206,30 @@ private Provider<LanguageClassResolver> languageClassResolverProvider() {
 
   private Provider<Directory> sourceDirProvider(Project project) {
     return languageType.map(
-        it -> project.getLayout().getProjectDirectory().dir("src/main/" + it.name().toLowerCase()));
+            it -> project.getLayout().getProjectDirectory().dir("src/main/" + it.name().toLowerCase()));
   }
 
   private Provider<Directory> testSourceDirProvider(Project project) {
     return languageType.map(
-        it -> project.getLayout().getProjectDirectory().dir("src/test/" + it.name().toLowerCase()));
+            it -> project.getLayout().getProjectDirectory().dir("src/test/" + it.name().toLowerCase()));
   }
 
   private Provider<Generator> generatorProvider() {
     return globalFactory.map(
-        it ->
-            it.createGenerator(
-                languageType.get(), templateEncoding.get(), templateDir.getAsFile().getOrNull()));
+            it ->
+                    it.createGenerator(
+                            languageType.get(), templateEncoding.get(), templateDir.getAsFile().getOrNull()));
   }
 
   private Provider<FileTree> sqlFilesProvider() {
     return resourceDir.map(
-        it ->
-            it.getAsFileTree()
-                .matching(
-                    filterConfig -> {
-                      filterConfig.include("META-INF/**/*.sql");
-                    }));
+            it -> {
+              String packageName = daoConfig.getPackageName().get();
+              String path = packageName.replace('.', '/');
+              return it.getAsFileTree()
+                      .matching(
+                              filterConfig -> filterConfig.include("META-INF/" + path + "/*/*.sql"));
+            });
   }
 
   private void validateProperties(Project project) {
@@ -236,13 +238,13 @@ private void validateProperties(Project project) {
     }
     if (!dataSource.isPresent()) {
       throw new CodeGenException(
-          Message.DOMAGEN0007, "dataSource", "Specify the \"url\" or the \"dataSource\" property.");
+              Message.DOMAGEN0007, "dataSource", "Specify the \"url\" or the \"dataSource\" property.");
     }
     if (!codeGenDialect.isPresent()) {
       throw new CodeGenException(
-          Message.DOMAGEN0007,
-          "codeGenDialect",
-          "Specify the \"url\" or the \"codeGenDialect\" property.");
+              Message.DOMAGEN0007,
+              "codeGenDialect",
+              "Specify the \"url\" or the \"codeGenDialect\" property.");
     }
     if (!tableNamePattern.isPresent()) {
       throw new CodeGenException(Message.DOMAGEN0007, "tableNamePattern", "");