private JavacNode addInnerClass(JavacNode singletonClass, JavacTreeMaker singletonTM) { JCTree.JCModifiers modifiers = singletonTM.Modifiers(Flags.PRIVATE | Flags.STATIC); String innerClassName = singletonClass.getName() + "Holder"; JCTree.JCClassDecl innerClassDecl = singletonTM.ClassDef(modifiers, singletonClass.toName(innerClassName), List.nil(), null, List.nil(), List.nil()); return JavacHandlerUtil.injectType(singletonClass, innerClassDecl); }
private void addInstanceVar(JavacNode singletonClass, JavacTreeMaker singletonClassTM, JavacNode holderClass) { JCTree.JCModifiers fieldMod = singletonClassTM.Modifiers(Flags.PRIVATE | Flags.STATIC | Flags.FINAL); JCTree.JCClassDecl singletonClassDecl = (JCTree.JCClassDecl) singletonClass.get(); JCTree.JCIdent singletonClassType = singletonClassTM.Ident(singletonClassDecl.name); JCTree.JCNewClass newKeyword = singletonClassTM.NewClass(null, List.nil(), singletonClassType, List.nil(), null); JCTree.JCVariableDecl instanceVar = singletonClassTM.VarDef(fieldMod, singletonClass.toName("INSTANCE"), singletonClassType, newKeyword); JavacHandlerUtil.injectField(holderClass, instanceVar); }
private void addPrivateConstructor(JavacNode singletonClass, JavacTreeMaker singletonTM) { JCTree.JCModifiers modifiers = singletonTM.Modifiers(Flags.PRIVATE); JCTree.JCBlock block = singletonTM.Block(0L, List.nil()); JCTree.JCMethodDecl constructor = singletonTM.MethodDef(modifiers, singletonClass.toName("<init>"), null, List.nil(), List.nil(), List.nil(), block, null); JavacHandlerUtil.injectMethod(singletonClass, constructor); }
private void addFactoryMethod(JavacNode singletonClass, JavacTreeMaker singletonClassTreeMaker, JavacNode holderInnerClass) { JCTree.JCModifiers modifiers = singletonClassTreeMaker.Modifiers(Flags.PUBLIC | Flags.STATIC); JCTree.JCClassDecl singletonClassDecl = (JCTree.JCClassDecl) singletonClass.get(); JCTree.JCIdent singletonClassType = singletonClassTreeMaker.Ident(singletonClassDecl.name); JCTree.JCBlock block = addReturnBlock(singletonClassTreeMaker, holderInnerClass); JCTree.JCMethodDecl factoryMethod = singletonClassTreeMaker.MethodDef(modifiers, singletonClass.toName("getInstance"), singletonClassType, List.nil(), List.nil(), List.nil(), block, null); JavacHandlerUtil.injectMethod(singletonClass, factoryMethod); }