package interfaces.classprocessor;

import java.util.*;

/**

* RUN:

* javac interfaces/classprocessor/Apply.java && java interfaces.classprocessor.Apply

*

* OUTPUT:

* Using Processor Upcase

* DISAGREEMENT WITH BELIEFS IS BY DEFINITION INCORRECT

* Using Processor Downcase

* disagreement with beliefs is by definition incorrect

* Using Processor Splitter

* [Disagreement, with, beliefs, is, by, definition, incorrect]

*/

public class Apply {

public static void process(Processor p, Object s) {

System.out.println("Using Processor " + p.name());

System.out.println(p.process(s));

}

public static String s = "Disagreement with beliefs is by definition incorrect";

public static void main(String[] args) {

process(new Upcase(), s);

process(new Downcase(), s);

process(new Splitter(), s);

}

}

class Processor {

public String name() {

return getClass().getSimpleName();

}

Object process(Object input) {

return input;

}

}

class Upcase extends Processor {

String process(Object input) {

return ((String) input).toUpperCase();

}

}

class Downcase extends Processor {

String process(Object input) {

return ((String) input).toLowerCase();

}

}

class Splitter extends Processor {

String process(Object input) {

return Arrays.toString(((String) input).split(" "));

}

}