public void addSetMethod(MetaBeanProperty property) throws Exception { MetaMethod setter = property.getSetter(); Type paramType = Type.getType(setter.getParameterTypes()[0].getTheClass()); Type returnType = Type.getType(setter.getReturnType()); String setterDescriptor = Type.getMethodDescriptor(returnType, new Type[] {paramType}); // GENERATE public void <propName>(<type> v) { <setter>(v) } String setMethodDescriptor = Type.getMethodDescriptor(Type.VOID_TYPE, new Type[] {paramType}); MethodVisitor methodVisitor = visitor.visitMethod( Opcodes.ACC_PUBLIC, property.getName(), setMethodDescriptor, null, new String[0]); methodVisitor.visitCode(); // GENERATE <setter>(v) methodVisitor.visitVarInsn(Opcodes.ALOAD, 0); methodVisitor.visitVarInsn(paramType.getOpcode(Opcodes.ILOAD), 1); methodVisitor.visitMethodInsn( Opcodes.INVOKEVIRTUAL, generatedType.getInternalName(), setter.getName(), setterDescriptor); // END methodVisitor.visitInsn(Opcodes.RETURN); methodVisitor.visitMaxs(0, 0); methodVisitor.visitEnd(); }
public void addSetter(MetaBeanProperty property) throws Exception { MetaMethod setter = property.getSetter(); // GENERATE public <return-type> <setter>(<type> v) { <return-type> v = super.<setter>(v); // <prop>Set = true; return v; } Type paramType = Type.getType(setter.getParameterTypes()[0].getTheClass()); Type returnType = Type.getType(setter.getReturnType()); String setterDescriptor = Type.getMethodDescriptor(returnType, new Type[] {paramType}); MethodVisitor methodVisitor = visitor.visitMethod( Opcodes.ACC_PUBLIC, setter.getName(), setterDescriptor, null, new String[0]); methodVisitor.visitCode(); // GENERATE super.<setter>(v) methodVisitor.visitVarInsn(Opcodes.ALOAD, 0); methodVisitor.visitVarInsn(paramType.getOpcode(Opcodes.ILOAD), 1); methodVisitor.visitMethodInsn( Opcodes.INVOKESPECIAL, superclassType.getInternalName(), setter.getName(), setterDescriptor); // END // GENERATE <prop>Set = true methodVisitor.visitVarInsn(Opcodes.ALOAD, 0); methodVisitor.visitLdcInsn(true); methodVisitor.visitFieldInsn( Opcodes.PUTFIELD, generatedType.getInternalName(), String.format("%sSet", property.getName()), Type.BOOLEAN_TYPE.getDescriptor()); // END methodVisitor.visitInsn(returnType.getOpcode(Opcodes.IRETURN)); methodVisitor.visitMaxs(0, 0); methodVisitor.visitEnd(); }
public void addActionMethod(MetaMethod method) throws Exception { Type actionImplType = Type.getType(ClosureBackedAction.class); Type closureType = Type.getType(Closure.class); String methodDescriptor = Type.getMethodDescriptor(Type.VOID_TYPE, new Type[] {closureType}); // GENERATE public void <method>(Closure v) { <method>(new ClosureBackedAction(v)); } MethodVisitor methodVisitor = visitor.visitMethod( Opcodes.ACC_PUBLIC, method.getName(), methodDescriptor, null, new String[0]); methodVisitor.visitCode(); // GENERATE <method>(new ClosureBackedAction(v)); methodVisitor.visitVarInsn(Opcodes.ALOAD, 0); // GENERATE new ClosureBackedAction(v); methodVisitor.visitTypeInsn(Opcodes.NEW, actionImplType.getInternalName()); methodVisitor.visitInsn(Opcodes.DUP); methodVisitor.visitVarInsn(Opcodes.ALOAD, 1); String constuctorDescriptor = Type.getMethodDescriptor(Type.VOID_TYPE, new Type[] {closureType}); methodVisitor.visitMethodInsn( Opcodes.INVOKESPECIAL, actionImplType.getInternalName(), "<init>", constuctorDescriptor); methodDescriptor = Type.getMethodDescriptor( Type.getType(method.getReturnType()), new Type[] {Type.getType(method.getParameterTypes()[0].getTheClass())}); methodVisitor.visitMethodInsn( Opcodes.INVOKEVIRTUAL, generatedType.getInternalName(), method.getName(), methodDescriptor); methodVisitor.visitInsn(Opcodes.RETURN); methodVisitor.visitMaxs(0, 0); methodVisitor.visitEnd(); }