Add default, private and static methods in interface support

Author: emmanue1

src/main/java/org/jd/core/v1/model/javasyntax/declaration/Declaration.java

@@ -9,29 +9,32 @@
 
 public interface Declaration {
     // Access flags for Class, Field, Method, Nested class, Module, Module Requires, Module Exports, Module Opens
-    int FLAG_PUBLIC       = 0x0001; // C  F  M  N  .  .  .  .
-    int FLAG_PRIVATE      = 0x0002; // .  F  M  N  .  .  .  .
-    int FLAG_PROTECTED    = 0x0004; // .  F  M  N  .  .  .  .
-    int FLAG_STATIC       = 0x0008; // C  F  M  N  .  .  .  .
-    int FLAG_FINAL        = 0x0010; // C  F  M  N  .  .  .  .
-    int FLAG_SYNCHRONIZED = 0x0020; // .  .  M  .  .  .  .  .
-    int FLAG_SUPER        = 0x0020; // C  .  .  .  .  .  .  .
-    int FLAG_OPEN         = 0x0020; // .  .  .  .  Mo .  .  .
-    int FLAG_TRANSITIVE   = 0x0020; // .  .  .  .  .  MR .  .
-    int FLAG_VOLATILE     = 0x0040; // .  F  .  .  .  .  .  .
-    int FLAG_BRIDGE       = 0x0040; // .  .  M  .  .  .  .  .
-    int FLAG_STATIC_PHASE = 0x0040; // .  .  M  .  .  MR .  .
-    int FLAG_TRANSIENT    = 0x0080; // .  F  .  .  .  .  .  .
-    int FLAG_VARARGS      = 0x0080; // .  .  M  .  .  .  .  .
-    int FLAG_NATIVE       = 0x0100; // .  .  M  .  .  .  .  .
-    int FLAG_INTERFACE    = 0x0200; // C  .  .  N  .  .  .  .
-    int FLAG_ABSTRACT     = 0x0400; // C  .  M  N  .  .  .  .
-    int FLAG_STRICT       = 0x0800; // .  .  M  .  .  .  .  .
-    int FLAG_SYNTHETIC    = 0x1000; // C  F  M  N  Mo MR ME MO
-    int FLAG_ANNOTATION   = 0x2000; // C  .  .  N  .  .  .  .
-    int FLAG_ENUM         = 0x4000; // C  F  .  N  .  .  .  .
-    int FLAG_MODULE       = 0x8000; // C  .  .  .  .  .  .  .
-    int FLAG_MANDATED     = 0x8000; // .  .  .  .  Mo MR ME MO
-    
+    int FLAG_PUBLIC       = 0x0001;  // C  F  M  N  .  .  .  .
+    int FLAG_PRIVATE      = 0x0002;  // .  F  M  N  .  .  .  .
+    int FLAG_PROTECTED    = 0x0004;  // .  F  M  N  .  .  .  .
+    int FLAG_STATIC       = 0x0008;  // C  F  M  N  .  .  .  .
+    int FLAG_FINAL        = 0x0010;  // C  F  M  N  .  .  .  .
+    int FLAG_SYNCHRONIZED = 0x0020;  // .  .  M  .  .  .  .  .
+    int FLAG_SUPER        = 0x0020;  // C  .  .  .  .  .  .  .
+    int FLAG_OPEN         = 0x0020;  // .  .  .  .  Mo .  .  .
+    int FLAG_TRANSITIVE   = 0x0020;  // .  .  .  .  .  MR .  .
+    int FLAG_VOLATILE     = 0x0040;  // .  F  .  .  .  .  .  .
+    int FLAG_BRIDGE       = 0x0040;  // .  .  M  .  .  .  .  .
+    int FLAG_STATIC_PHASE = 0x0040;  // .  .  M  .  .  MR .  .
+    int FLAG_TRANSIENT    = 0x0080;  // .  F  .  .  .  .  .  .
+    int FLAG_VARARGS      = 0x0080;  // .  .  M  .  .  .  .  .
+    int FLAG_NATIVE       = 0x0100;  // .  .  M  .  .  .  .  .
+    int FLAG_INTERFACE    = 0x0200;  // C  .  .  N  .  .  .  .
+    int FLAG_ABSTRACT     = 0x0400;  // C  .  M  N  .  .  .  .
+    int FLAG_STRICT       = 0x0800;  // .  .  M  .  .  .  .  .
+    int FLAG_SYNTHETIC    = 0x1000;  // C  F  M  N  Mo MR ME MO
+    int FLAG_ANNOTATION   = 0x2000;  // C  .  .  N  .  .  .  .
+    int FLAG_ENUM         = 0x4000;  // C  F  .  N  .  .  .  .
+    int FLAG_MODULE       = 0x8000;  // C  .  .  .  .  .  .  .
+    int FLAG_MANDATED     = 0x8000;  // .  .  .  .  Mo MR ME MO
+
+    // Extension
+    int FLAG_DEFAULT      = 0x10000; // .  .  M  .  .  .  .  .
+
     void accept(DeclarationVisitor visitor);
 }

src/main/java/org/jd/core/v1/service/converter/classfiletojavasyntax/processor/ConvertClassFileProcessor.java

@@ -14,10 +14,7 @@
 import org.jd.core.v1.model.classfile.attribute.*;
 import org.jd.core.v1.model.classfile.constant.*;
 import org.jd.core.v1.model.javasyntax.CompilationUnit;
-import org.jd.core.v1.model.javasyntax.declaration.ExpressionVariableInitializer;
-import org.jd.core.v1.model.javasyntax.declaration.FieldDeclarator;
-import org.jd.core.v1.model.javasyntax.declaration.ModuleDeclaration;
-import org.jd.core.v1.model.javasyntax.declaration.TypeDeclaration;
+import org.jd.core.v1.model.javasyntax.declaration.*;
 import org.jd.core.v1.model.javasyntax.expression.*;
 import org.jd.core.v1.model.javasyntax.reference.BaseAnnotationReference;
 import org.jd.core.v1.model.javasyntax.reference.ElementValue;
@@ -180,11 +177,18 @@ protected List<ClassFileConstructorOrMethodDeclaration> convertMethods(Signature
                 } else if ("<clinit>".equals(name)) {
                     list.add(new ClassFileStaticInitializerDeclaration(bodyDeclaration, classFile, method, firstLineNumber));
                 } else {
+                    ClassFileMethodDeclaration methodDeclaration;
                     SignatureParser.MethodTypes methodTypes = parser.parseMethodSignature(method);
-                    list.add(new ClassFileMethodDeclaration(
+                    list.add(methodDeclaration = new ClassFileMethodDeclaration(
                             bodyDeclaration, classFile, method, annotationReferences, name, methodTypes.typeParameters,
                             methodTypes.returned, methodTypes.parameters, methodTypes.exceptions, defaultAnnotationValue,
                             firstLineNumber));
+                    if ((classFile.getAccessFlags() & Constants.ACC_INTERFACE) != 0) {
+                        if (methodDeclaration.getFlags() == Constants.ACC_PUBLIC) {
+                            // For interfaces, add 'default' access flag on public methods
+                            methodDeclaration.setFlags(Declaration.FLAG_PUBLIC|Declaration.FLAG_DEFAULT);
+                        }
+                    }
                 }
             }
 
@@ -284,7 +288,7 @@ protected ModuleDeclaration convertModuleDeclaration(ClassFile classFile) {
         List<ModuleDeclaration.ServiceInfo> provides = convertModuleDeclarationServiceInfo(attributeModule.getProvides());
 
         return new ModuleDeclaration(
-                attributeModule.getFlags(), attributeModule.getName(), attributeModule.getName(),
+                attributeModule.getFlags(), classFile.getInternalTypeName(), attributeModule.getName(),
                 attributeModule.getVersion(), requires, exports, opens, uses, provides);
     }