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();
}
