Issue XML deserialization

AtmSafeFileJackson.java

package cashmachine.atmstorage;

import cashmachine.money.MoneyPack;

import com.fasterxml.jackson.annotation.JsonAutoDetect;
import com.fasterxml.jackson.annotation.PropertyAccessor;
import com.fasterxml.jackson.core.type.TypeReference;
import com.fasterxml.jackson.databind.ObjectMapper;

import java.io.BufferedReader;
import java.io.File;
import java.io.FileReader;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.ArrayList;
import java.util.HashMap;

public class AtmSafeFileJackson implements AtmSafe {
  private String filename = "safe.json";

  public AtmSafeFileJackson() {

  }

  public AtmSafeFileJackson(String filename) {
    this.filename = filename;
  }

  public void saveSafe(HashMap<String, ArrayList<MoneyPack>> safe) throws IOException {
    ObjectMapper objectMapper = new ObjectMapper();
    objectMapper.setVisibility(PropertyAccessor.FIELD, JsonAutoDetect.Visibility.ANY);
    String safeStr = objectMapper.writeValueAsString(safe);

    try (PrintWriter out = new PrintWriter(filename)) {
      out.println(safeStr);
    } catch (IOException exception) {
      System.out.println("Error open file: " + filename + " " + exception);
    }
  }

  @SuppressWarnings("unchecked")
  public HashMap<String, ArrayList<MoneyPack>> loadSafe() throws IOException {
    HashMap<String, ArrayList<MoneyPack>> moneyStorage = new HashMap<>();
    String safeStr;
    ObjectMapper objectMapper = new ObjectMapper();
    objectMapper.setVisibility(PropertyAccessor.FIELD, JsonAutoDetect.Visibility.ANY);

    File file = new File(filename);
    if (!file.exists()) {
      saveSafe(moneyStorage);
      return moneyStorage;
    }

    try (BufferedReader in = new BufferedReader(new FileReader(filename))) {
      safeStr = in.readLine();
      if (!safeStr.isEmpty()) {
        moneyStorage = objectMapper.readValue(safeStr, new TypeReference<HashMap<String, ArrayList<MoneyPack>>>() {});
      }
    } catch (IOException exception) {
      System.out.println("Error open file: " + filename + " " + exception);
    }
    return moneyStorage;
  }
}

AtmSafeFileJacksonXML.java

package cashmachine.atmstorage;

import cashmachine.money.MoneyPack;

import com.fasterxml.jackson.core.type.TypeReference;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.dataformat.xml.XmlMapper;

import java.io.BufferedReader;
import java.io.File;
import java.io.FileReader;
import java.io.IOException;
import java.util.ArrayList;
import java.util.HashMap;


public class AtmSafeFileJacksonXML implements AtmSafe {
  private String filename = "safe.xml";

  public AtmSafeFileJacksonXML() {

  }

  public AtmSafeFileJacksonXML(String filename) {
    this.filename = filename;
  }

  public void saveSafe(HashMap<String, ArrayList<MoneyPack>> safe) throws IOException {
    ObjectMapper xmlMapper = new XmlMapper();

    try {
      xmlMapper.writeValue(new File(filename), safe);
    } catch (IOException exception) {
      System.out.println("Error write to file: " + filename + " " + exception);
    }
  }

  public HashMap<String, ArrayList<MoneyPack>> loadSafe() throws IOException {
    HashMap<String, ArrayList<MoneyPack>> moneyStorage = new HashMap<>();
    String safeStr;
    XmlMapper xmlMapper = new XmlMapper();

    File file = new File(filename);
    if (!file.exists()) {
      saveSafe(moneyStorage);
      return moneyStorage;
    }

    try (BufferedReader in = new BufferedReader(new FileReader(filename))) {
      safeStr = in.readLine();
      if (!safeStr.isEmpty()) {
        moneyStorage = xmlMapper.readValue(safeStr, new TypeReference<HashMap<String, ArrayList<MoneyPack>>>() {});
      }
    } catch (IOException exception) {
      System.out.println("Error read from file: " + filename + " " + exception);
    }
    return moneyStorage;
  }
}

LOG

Error read from file: safe-test.xml com.fasterxml.jackson.databind.JsonMappingException: Can not construct instance of cashmachine.money.MoneyPack: no String-argument constructor/factory method to deserialize from String value ('EUR')
 at [Source: java.io.StringReader@646007f4; line: 1, column: 28] (through reference chain: java.util.HashMap["EUR"]->java.util.ArrayList[0])
Error read from file: safe-test.xml com.fasterxml.jackson.databind.JsonMappingException: Can not construct instance of cashmachine.money.MoneyPack: no String-argument constructor/factory method to deserialize from String value ('EUR')
 at [Source: java.io.StringReader@6b0c2d26; line: 1, column: 28] (through reference chain: java.util.HashMap["EUR"]->java.util.ArrayList[0])
Error read from file: safe-test.xml com.fasterxml.jackson.databind.JsonMappingException: Can not construct instance of cashmachine.money.MoneyPack: no String-argument constructor/factory method to deserialize from String value ('EUR')
 at [Source: java.io.StringReader@27c6e487; line: 1, column: 28] (through reference chain: java.util.HashMap["EUR"]->java.util.ArrayList[0])

MoneyPack.java

package cashmachine.money;

import java.io.Serializable;

public class MoneyPack implements Serializable {
  private String currency;
  private int value;
  private int amount;

  public MoneyPack() {
    this.currency = "AAA";
    this.value = 0;
    this.amount = 0;
  }

  public MoneyPack(String currency, int value, int amount) {
    this.currency = currency;
    this.value = value;
    this.amount = amount;
  }

  public void setCurrency(String currency) {
    this.currency = currency;
  }

  public void setValue(int value) {
    this.value = value;
  }

  public String getCurrency() {
    return currency;
  }

  public int getValue() {
    return value;
  }

  public int getAmount() {
    return amount;
  }

  public void setAmount(int amount) {
    this.amount = amount;
  }

  @Override
  public String toString() {
    return (String) currency + " " + value + " " + amount;
  }

}

safe-test.json

{"EUR":[{"currency":"EUR","value":500,"amount":34},{"currency":"EUR","value":100,"amount":32},{"currency":"EUR","value":50,"amount":30},{"currency":"EUR","value":10,"amount":28}],"USD":[{"currency":"USD","value":500,"amount":14},{"currency":"USD","value":100,"amount":12},{"currency":"USD","value":50,"amount":10},{"currency":"USD","value":10,"amount":8}]}

safe-test.xml

<HashMap><EUR><currency>EUR</currency><value>500</value><amount>34</amount></EUR><EUR><currency>EUR</currency><value>100</value><amount>32</amount></EUR><EUR><currency>EUR</currency><value>50</value><amount>30</amount></EUR><EUR><currency>EUR</currency><value>10</value><amount>28</amount></EUR><USD><currency>USD</currency><value>500</value><amount>14</amount></USD><USD><currency>USD</currency><value>100</value><amount>12</amount></USD><USD><currency>USD</currency><value>50</value><amount>10</amount></USD><USD><currency>USD</currency><value>10</value><amount>8</amount></USD></HashMap>