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package com.javarush.task.task19.task1905; import java.util.HashMap; import java.util.*; /* 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"); } Set<Map.Entry<String, String>> entrySet = countries.entrySet(); public static void main(String[] args) throws Exception { DataAdapter dataAdapter = new DataAdapter(new Customer() { @Override public String getCompanyName() { return "ewgewg"; } @Override public String getCountryName() { return "Ukraine"; } }, new Contact() { @Override public String getName() { return "ewgewg"; } @Override public String getPhoneNumber() { return "ewgewg"; } }); dataAdapter.getCountryCode(); } public static class DataAdapter implements RowItem { private Customer customer; private Contact contact; private Object value; private Iterable<? extends Map.Entry<String, String>> entrySet; public DataAdapter(Customer customer, Contact contact) { this.contact = contact; this.customer = customer; } @Override public String getCountryCode() { String countryCode = null; for (Map.Entry pair: countries.entrySet()) { if (pair.getValue().equals(customer.getCountryName())) { countryCode =(String) pair.getKey(); break; } } return countryCode; } // this.customer.getCountryName(); // Optional<String> result = countries.entrySet() // .stream() // .filter(entry -> value.equals(entry.getValue())) // .map(Map.Entry::getKey) // .findFirst(); // System.out.println(result); // return result; @Override public String getCompany() { return this.customer.getCompanyName(); } @Override public String getContactFirstName() { String reg[] = this.contact.getName().split(", "); return reg[0]; } @Override public String getContactLastName() { String reg[] = this.contact.getName().split(", "); return reg[1]; } @Override public String getDialString() { char[] chars = this.contact.getPhoneNumber().toCharArray(); String str = this.contact.getPhoneNumber(); String str1[] = str.split(String.valueOf((char) 40)); String str2[] = str1[1].split(String.valueOf((char) 41)); String str3[] = str2[1].split("-"); String str4 = null; String s = "callto://"; for (int i = 0; i<str3.length; i++) { str += str3[i]; } return s + str1[0] + str2[0] + str; } } 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 ... } }