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prototype.java
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82 lines (61 loc) · 1.36 KB
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import java.util.*;
interface Person{
Person clone();
}
class Josh implements Person{
private final String NAME = "Josh";
public Person clone(){
return new Josh();
}
public String toString(){
return NAME;
}
}
class Maria implements Person{
private final String NAME = "Maria";
public Person clone(){
return new Maria();
}
public String toString(){
return NAME;
}
}
class Harold implements Person{
private final String NAME = "Harold";
public Person clone(){
return new Harold();
}
public String toString(){
return NAME;
}
}
class Factory{
private static final Map<String, Person> proto = new HashMap<>();
static{
proto.put("maria", new Maria());
proto.put("josh", new Josh());
proto.put("harold", new Harold());
}
public static Person getPrototype(String type){
try{
return proto.get(type).clone();
}catch(NullPointerException e){
System.out.println("Prototype "+ type +", doesn't exist.");
return null;
}
}
}
public class prototype{
public static void main(String[] args){
if(args.length > 0){
for(String type: args){
Person proto = Factory.getPrototype(type);
if(proto != null){
System.out.println(proto);
}
}
}else{
System.out.println("No input was detected.");
}
}
}