Simple JAX-RS ParamConverter implementation

MyParamConverter.java

public class MyParamConverter implements ParamConverter<MyObject>{
      
  @Override
  public MyObject fromString(String s){
    //imagine MyObject is a third party class
    return MyObjectFactory.get(s);
  }
  
  @Override
  public String toString(MyObject mo){
    return mo.toString();
  }
}