Правильно понял что в методе getCountryCode, надо вернуть ключ по значению? Если да, где ошибка? Спасибо
package com.javarush.task.task19.task1905;
import java.util.HashMap;
import java.util.Map;
import java.util.Set;
/*
Закрепляем адаптер
*/
public class Solution {
public static Map<String, String> countries = new HashMap<String, String>();
static {
countries.put("UA", "Ukraine");
countries.put("RU", "Russia");
countries.put("CA", "Canada");
}
public static void main(String[] args) {
Customer customer = new Customer() {
@Override
public String getCompanyName() {
return null;
}
@Override
public String getCountryName() {
return null;
}
};
Contact contact = new Contact() {
@Override
public String getName() {
return null;
}
@Override
public String getPhoneNumber() {
return null;
}
};
RowItem rowitem = new DataAdapter(customer, contact);
rowitem.getCountryCode();
rowitem.getCompany();
rowitem.getContactFirstName();
rowitem.getContactLastName();
rowitem.getDialString();
}
public static class DataAdapter implements RowItem {
private Customer customer;
private Contact contact;
public DataAdapter(Customer customer, Contact contact) {
this.customer = customer;
this.contact = contact;
}
@Override
public String getCountryCode() {
String s = customer.getCountryName();
String countryName = null;
Set<Map.Entry<String, String>> entrySet = countries.entrySet();
String nameCountry = new String();
for(Map.Entry<String, String> pair: entrySet){
if(nameCountry.equals(s)){
countryName = pair.getKey() ;
}
}
return countryName;
}
@Override
public String getCompany() {
return this.customer.getCompanyName();
}
@Override
public String getContactFirstName() {
String s = contact.getName();
String[] nameMan = s.split(", ", 2);
return nameMan[1];
}
@Override
public String getContactLastName() {
String s = contact.getName();
String[] nameMan = s.split(", ", 2);
return nameMan[0];
}
@Override
public String getDialString() {
String fon = String.valueOf(contact.getPhoneNumber());
fon = fon.replaceAll("[^\\d]", "");
return "callto://+" + fon;
}
}
public static interface RowItem {
String getCountryCode(); //For example: UA
String getCompany(); //For example: JavaRush Ltd.
String getContactFirstName(); //For example: Ivan
String getContactLastName(); //For example: Ivanov
String getDialString(); //For example: callto://+380501234567
}
public static interface Customer {
String getCompanyName(); //For example: JavaRush Ltd.
String getCountryName(); //For example: Ukraine
}
public static interface Contact {
String getName(); //For example: Ivanov, Ivan
String getPhoneNumber(); //For example: +38(050)123-45-67 or +3(805)0123-4567 or +380(50)123-4567 or ...
}
}