Add FTP integration improvements

model-generator-commons/src/main/java/io/ballerina/modelgenerator/commons/DatabaseManager.java

@@ -384,6 +384,7 @@ public List<ParameterData> getFunctionParameters(int functionId) {
                         rs.getString("description"),
                         rs.getString("label"),
                         rs.getBoolean("optional"),
+                        false,
                         rs.getString("import_statements"),
                         new ArrayList<>(),
                         null
@@ -507,6 +508,7 @@ ParameterData build() {
                     description,
                     label,
                     optional,
+                    false,
                     importStatements,
                     typeMembers,
                     null

model-generator-commons/src/main/java/io/ballerina/modelgenerator/commons/FunctionDataBuilder.java

@@ -375,6 +375,15 @@ public FunctionData build() {
             }
         }
 
+        // Check the index before attempting external package resolution.
+        // This avoids unnecessary package pulls and resolution failures for already-indexed symbols.
+        if (enableIndex) {
+            Optional<FunctionData> indexedResult = getFunctionFromIndex();
+            if (indexedResult.isPresent()) {
+                return indexedResult.get();
+            }
+        }
+
         // Assume the package is from an external library, and pull the package if not available locally
         if (semanticModel == null) {
             if (moduleInfo.version() == null) {
@@ -397,14 +406,6 @@ public FunctionData build() {
             }
         }
 
-        // Check if the function is in the index
-        if (enableIndex) {
-            Optional<FunctionData> indexedResult = getFunctionFromIndex();
-            if (indexedResult.isPresent()) {
-                return indexedResult.get();
-            }
-        }
-
         // Fetch the semantic model if not provided
         if (semanticModel == null) {
             deriveSemanticModel();
@@ -792,6 +793,7 @@ private Map<String, ParameterData> getParameters(ParameterSymbol paramSymbol,
         String paramName = paramSymbol.getName().orElse("");
         String paramDescription = documentationMap.get(paramName);
         ParameterData.Kind parameterKind = ParameterData.Kind.fromKind(paramSymbol.paramKind());
+        boolean deprecated = isDeprecated(paramSymbol.annotAttachments());
         String paramType;
         boolean optional = true;
         String placeholder;
@@ -834,7 +836,8 @@ private Map<String, ParameterData> getParameters(ParameterSymbol paramSymbol,
                     typeSymbol = paramForTypeInfer.typeSymbol();
                     parameters.put(paramName, ParameterData.from(paramName, paramDescription,
                             getLabel(paramSymbol.annotAttachments(), paramName), paramType, placeholder, defaultValue,
-                            ParameterData.Kind.PARAM_FOR_TYPE_INFER, optional, importStatements, typeSymbol));
+                            ParameterData.Kind.PARAM_FOR_TYPE_INFER, optional, deprecated, importStatements,
+                            typeSymbol));
                     return parameters;
                 }
             }
@@ -845,7 +848,7 @@ private Map<String, ParameterData> getParameters(ParameterSymbol paramSymbol,
         }
         ParameterData parameterData = ParameterData.from(paramName, paramDescription,
                 getLabel(paramSymbol.annotAttachments(), paramName), paramType, placeholder, defaultValue,
-                parameterKind, optional,
+                parameterKind, optional, deprecated,
                 importStatements, typeSymbol);
         parameters.put(paramName, parameterData);
         addParameterMemberTypes(typeSymbol, parameterData, union);
@@ -970,9 +973,10 @@ private Map<String, ParameterData> getIncludedRecordParams(RecordTypeSymbol reco
                     resolvedPackage, document);
             String paramType = getTypeSignature(typeSymbol);
             boolean optional = recordFieldSymbol.isOptional() || recordFieldSymbol.hasDefaultValue();
+            boolean deprecated = isDeprecated(recordFieldSymbol.annotAttachments());
             ParameterData parameterData = ParameterData.from(paramName, documentationMap.get(paramName),
                     getLabel(recordFieldSymbol.annotAttachments(), paramName),
-                    paramType, placeholder, defaultValue, ParameterData.Kind.INCLUDED_FIELD, optional,
+                    paramType, placeholder, defaultValue, ParameterData.Kind.INCLUDED_FIELD, optional, deprecated,
                     getImportStatements(typeSymbol), typeSymbol);
             parameters.put(paramName, parameterData);
             addParameterMemberTypes(typeSymbol, parameterData, union);
@@ -982,7 +986,7 @@ private Map<String, ParameterData> getIncludedRecordParams(RecordTypeSymbol reco
             String placeholder = DefaultValueGeneratorUtil.getDefaultValueForType(typeSymbol);
             parameters.put("Additional Values", new ParameterData(0, "Additional Values",
                     paramType, ParameterData.Kind.INCLUDED_RECORD_REST, placeholder, null,
-                    "Capture key value pairs", null, true, getImportStatements(typeSymbol),
+                    "Capture key value pairs", null, true, false, getImportStatements(typeSymbol),
                     new ArrayList<>(), typeSymbol));
         });
         return parameters;
@@ -1164,6 +1168,20 @@ private String getLabel(List<AnnotationAttachmentSymbol> annotationAttachmentSym
         return toTitleCase(output);
     }
 
+    private boolean isDeprecated(List<AnnotationAttachmentSymbol> annotationAttachmentSymbols) {
+        if (annotationAttachmentSymbols == null) {
+            return false;
+        }
+        for (AnnotationAttachmentSymbol annotAttachment : annotationAttachmentSymbols) {
+            AnnotationSymbol annotationSymbol = annotAttachment.typeDescriptor();
+            Optional<String> optName = annotationSymbol.getName();
+            if (optName.isPresent() && optName.get().equals("deprecated")) {
+                return true;
+            }
+        }
+        return false;
+    }
+
     /**
      * Converts a camelCase or PascalCase string to Title Case with spaces, including before numbers. E.g., "targetType"
      * -> "Target Type", "http1Config" -> "Http1 Config", "account_name" -> "Account Name", etc.

model-generator-commons/src/main/java/io/ballerina/modelgenerator/commons/PackageUtil.java

@@ -116,8 +116,12 @@ public static BuildProject getSampleProject() {
      * @return An Optional containing the semantic model.
      */
     public static Optional<SemanticModel> getSemanticModel(ModuleInfo moduleInfo) {
-        Optional<Package> modulePackage = getModulePackage(moduleInfo.org(),
-                moduleInfo.packageName(), moduleInfo.version());
+        Optional<Package> modulePackage;
+        try {
+            modulePackage = getModulePackage(moduleInfo.org(), moduleInfo.packageName(), moduleInfo.version());
+        } catch (Throwable ignored) {
+            return Optional.empty();
+        }
         if (modulePackage.isEmpty()) {
             return Optional.empty();
         }
@@ -158,8 +162,14 @@ public static Optional<Package> getModulePackage(String org, String name,
         if (resolutionResponse.isEmpty()) {
             return Optional.empty();
         }
+        ResolutionResponse response = resolutionResponse.get();
+        if (response.resolutionStatus() == ResolutionResponse.ResolutionStatus.UNRESOLVED
+                || response.resolvedPackage() == null
+                || response.resolvedPackage().project() == null) {
+            return Optional.empty();
+        }
 
-        Path balaPath = resolutionResponse.get().resolvedPackage().project().sourceRoot();
+        Path balaPath = response.resolvedPackage().project().sourceRoot();
         ProjectEnvironmentBuilder defaultBuilder = ProjectEnvironmentBuilder.getDefaultBuilder();
         defaultBuilder.addCompilationCacheFactory(TempDirCompilationCache::from);
         BalaProject balaProject = BalaProject.loadProject(defaultBuilder, balaPath);
@@ -196,8 +206,14 @@ public static Optional<Package> getModulePackage(String org, String name) {
         if (resolutionResponse.isEmpty()) {
             return Optional.empty();
         }
+        ResolutionResponse response = resolutionResponse.get();
+        if (response.resolutionStatus() == ResolutionResponse.ResolutionStatus.UNRESOLVED
+                || response.resolvedPackage() == null
+                || response.resolvedPackage().project() == null) {
+            return Optional.empty();
+        }
 
-        Path balaPath = resolutionResponse.get().resolvedPackage().project().sourceRoot();
+        Path balaPath = response.resolvedPackage().project().sourceRoot();
         ProjectEnvironmentBuilder defaultBuilder = ProjectEnvironmentBuilder.getDefaultBuilder();
         defaultBuilder.addCompilationCacheFactory(TempDirCompilationCache::from);
         BalaProject balaProject = BalaProject.loadProject(defaultBuilder, balaPath);

model-generator-commons/src/main/java/io/ballerina/modelgenerator/commons/ParameterData.java

@@ -38,6 +38,7 @@
  * @param description      the description of the parameter
  * @param label            the label of the parameter
  * @param optional         whether the parameter is optional
+ * @param deprecated       whether the parameter is deprecated
  * @param importStatements import statements of the dependent types
  * @param typeMembers      the member types of the parameter
  * @param typeSymbol       the type symbol of the parameter
@@ -53,26 +54,29 @@ public record ParameterData(
         String description,
         String label,
         boolean optional,
+        boolean deprecated,
         String importStatements,
         List<ParameterMemberTypeData> typeMembers,
         io.ballerina.compiler.api.symbols.TypeSymbol typeSymbol) {
 
     public static ParameterData from(String name, String type, Kind kind, String placeholder,
                                      String description, boolean optional) {
-        return new ParameterData(0, name, type, kind, placeholder, null, description, null, optional,
+        return new ParameterData(0, name, type, kind, placeholder, null, description, null, optional, false,
                 null, new ArrayList<>(), null);
     }
 
     public static ParameterData from(String name, String type, Kind kind, String placeholder,
                                      String description, boolean optional, TypeSymbol typeSymbol) {
-        return new ParameterData(0, name, type, kind, placeholder, null, description, null, optional,
+        return new ParameterData(0, name, type, kind, placeholder, null, description, null, optional, false,
                 null, new ArrayList<>(), typeSymbol);
     }
 
     public static ParameterData from(String name, String description, String label, String type, String placeholder,
-                                     String defaultValue, Kind kind, boolean optional, String importStatements,
+                                     String defaultValue, Kind kind, boolean optional, boolean deprecated,
+                                     String importStatements,
                                      TypeSymbol typeSymbol) {
         return new ParameterData(0, name, type, kind, placeholder, defaultValue, description, label, optional,
+                deprecated,
                 importStatements, new ArrayList<>(), typeSymbol);
     }
 

model-generator-commons/src/main/java/io/ballerina/modelgenerator/commons/ServiceDatabaseManager.java

@@ -671,6 +671,7 @@ ParameterData build() {
                     description,
                     null,
                     optional,
+                    false,
                     importStatements,
                     typeMembers,
                     null

service-model-generator/modules/service-model-generator-ls-extension/src/main/java/io/ballerina/servicemodelgenerator/extension/builder/FunctionBuilderRouter.java

@@ -27,6 +27,7 @@
 import io.ballerina.projects.Document;
 import io.ballerina.projects.Project;
 import io.ballerina.servicemodelgenerator.extension.builder.function.DefaultFunctionBuilder;
+import io.ballerina.servicemodelgenerator.extension.builder.function.FTPFunctionBuilder;
 import io.ballerina.servicemodelgenerator.extension.builder.function.GraphqlFunctionBuilder;
 import io.ballerina.servicemodelgenerator.extension.builder.function.HttpFunctionBuilder;
 import io.ballerina.servicemodelgenerator.extension.builder.function.KafkaFunctionBuilder;
@@ -52,6 +53,7 @@
 import java.util.function.Supplier;
 
 import static io.ballerina.servicemodelgenerator.extension.util.Constants.DEFAULT;
+import static io.ballerina.servicemodelgenerator.extension.util.Constants.FTP;
 import static io.ballerina.servicemodelgenerator.extension.util.Constants.GRAPHQL;
 import static io.ballerina.servicemodelgenerator.extension.util.Constants.HTTP;
 import static io.ballerina.servicemodelgenerator.extension.util.Constants.KAFKA;
@@ -78,6 +80,7 @@ public class FunctionBuilderRouter {
         put(SOLACE, SolaceFunctionBuilder::new);
         put(MSSQL, MssqlCdcFunctionBuilder::new);
         put(POSTGRESQL, PostgresqlCdcFunctionBuilder::new);
+        put(FTP, FTPFunctionBuilder::new);
     }};
 
     private static NodeBuilder<Function> getFunctionBuilder(String protocol) {