Unmarshaller возвращает пустой объект - PullRequest
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Unmarshaller возвращает пустой объект

0 голосов
/ 01 февраля 2020

Помогите пожалуйста. У меня есть следующие фрагменты:

Счет. java

@XmlRootElement(name="Account", namespace = "http://www.example.com/bank")
@XmlType(name = "Account", propOrder = {"name", "country", "type", "depositor", "amountOnDeposit", "profitability", "timeConstraints"})
@XmlAccessorType(XmlAccessType.FIELD)
public class Account {

@XmlAttribute(required = true)
private Integer id;
@XmlElement(required = true, name = "Name")
private String name;
@XmlElement(required = true, name = "Country")
private String country;
@XmlElement(required = true, name = "Type")
private String type;
@XmlElement(required = true, name = "Depositor")
private String depositor;
@XmlElement(required = true, name = "Amount-on-deposit")
private Double amountOnDeposit;
@XmlElement(required = true, name = "Profitability")
private Double profitability;
@XmlElement(required = true, name = "Time-constraints")
@XmlJavaTypeAdapter(DateAdapter.class)
private Date timeConstraints;

public Account(Integer id, String name, String country, String type, String depositor, Double amountOnDeposit, Double profitability, Date timeConstraints) {
    this.id = id;
    this.name = name;
    this.country = country;
    this.type = type;
    this.depositor = depositor;
    this.amountOnDeposit = amountOnDeposit;
    this.profitability = profitability;
    this.timeConstraints = timeConstraints;
}

public Account() {
}

public Integer getId() {
    return id;
}

public void setId(Integer id) {
    this.id = id;
}

public String getName() {
    return name;
}

public void setName(String name) {
    this.name = name;
}

public String getCountry() {
    return country;
}

public void setCountry(String country) {
    this.country = country;
}

public String getType() {
    return type;
}

public void setType(String type) {
    this.type = type;
}

public String getDepositor() {
    return depositor;
}

public void setDepositor(String depositor) {
    this.depositor = depositor;
}

public Double getAmountOnDeposit() {
    return amountOnDeposit;
}

public void setAmountOnDeposit(Double amountOnDeposit) {
    this.amountOnDeposit = amountOnDeposit;
}

public Double getProfitability() {
    return profitability;
}

public void setProfitability(Double profitability) {
    this.profitability = profitability;
}

public Date getTimeConstraints() {
    return timeConstraints;
}

public void setTimeConstraints(Date timeConstraints) {
    this.timeConstraints = timeConstraints;
}

@Override
public String toString() {
    return "Account{" +
            "id=" + id +
            ", name='" + name + '\'' +
            ", country='" + country + '\'' +
            ", type='" + type + '\'' +
            ", depositor='" + depositor + '\'' +
            ", amountOnDeposit=" + amountOnDeposit +
            ", profitability=" + profitability +
            ", timeConstraints=" + timeConstraints +
            '}';
}
}

Банк. java

@XmlRootElement(name="Bank", namespace = "http://www.example.com/bank")
@XmlType(name="Bank")
@XmlAccessorType(XmlAccessType.FIELD)
public class Bank {

@XmlElement(required = true, name = "Account")
private List<Account> accounts = new ArrayList<>();

public Bank(List<Account> accounts) {
    this.accounts = accounts;
}

public Bank() {
}

public List<Account> getAccounts() {
    return accounts;
}

public void setAccounts(List<Account> accounts) {
    this.accounts = accounts;
}

public void addAccount(Account account) {
    if (account != null && accounts != null) {
        this.accounts.add(account);
    }
}

@Override
public String toString() {
    StringBuilder result = new StringBuilder();
    result.append("[");
    for (Account account : this.accounts) {
        result.append(account.toString() + "\n");
    }
    result.append("]");
    return result.toString();
}
}

банк. xml

<?xml version="1.0" encoding="UTF-8"?>
<Bank xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns="http://www.example.com/bank"
xsi:schemaLocation="http://www.example.com/bank bank.xsd">
<Account id="1020">
    <Name>NewBank</Name>
    <Country>Ireland</Country>
    <Type>Time</Type>
    <Depositor>Sam Tailor</Depositor>
    <Amount-on-deposit>20000.0</Amount-on-deposit>
    <Profitability>10.5</Profitability>
    <Time-constraints>2022-04-12</Time-constraints>
</Account>
<Account id="5000">
    <Name>SwisBank</Name>
    <Country>Switzerland</Country>
    <Type>Time</Type>
    <Depositor>Tray Olderson</Depositor>
    <Amount-on-deposit>50000.0</Amount-on-deposit>
    <Profitability>11.5</Profitability>
    <Time-constraints>2025-10-15</Time-constraints>
</Account>
<Account id="2500">
    <Name>Bank1000</Name>
    <Country>France</Country>
    <Type>Transactional</Type>
    <Depositor>Helena Urwill</Depositor>
    <Amount-on-deposit>45000.0</Amount-on-deposit>
    <Profitability>10.4</Profitability>
    <Time-constraints>2027-01-25</Time-constraints>
</Account>
<Account id="2700">
    <Name>Bank1000</Name>
    <Country>France</Country>
    <Type>Transactional</Type>
    <Depositor>Safo de Olaf</Depositor>
    <Amount-on-deposit>20000.0</Amount-on-deposit>
    <Profitability>10.0</Profitability>
    <Time-constraints>2024-12-11</Time-constraints>
</Account>
<Account id="2800">
    <Name>Bank1000</Name>
    <Country>France</Country>
    <Type>On-demand</Type>
    <Depositor>Mishon Braul</Depositor>
    <Amount-on-deposit>25000.0</Amount-on-deposit>
    <Profitability>12.5</Profitability>
    <Time-constraints>2025-08-10</Time-constraints>
</Account>
<Account id="2020">
    <Name>NewBank</Name>
    <Country>Ireland</Country>
    <Type>Transactional</Type>
    <Depositor>Nite Oswald</Depositor>
    <Amount-on-deposit>42000.0</Amount-on-deposit>
    <Profitability>10.2</Profitability>
    <Time-constraints>2025-02-17</Time-constraints>
</Account>
<Account id="151005">
    <Name>Bank "Tovarish"</Name>
    <Country>Russia</Country>
    <Type>On-demand</Type>
    <Depositor>Petr Kamenshikov</Depositor>
    <Amount-on-deposit>20000.0</Amount-on-deposit>
    <Profitability>11.8</Profitability>
    <Time-constraints>2022-08-25</Time-constraints>
</Account>
<Account id="254181">
    <Name>Bank "Tovarish"</Name>
    <Country>Russia</Country>
    <Type>Time</Type>
    <Depositor>Olga Nabokova</Depositor>
    <Amount-on-deposit>70000.0</Amount-on-deposit>
    <Profitability>14.5</Profitability>
    <Time-constraints>2024-05-21</Time-constraints>
</Account>
<Account id="7000">
    <Name>SwisBank</Name>
    <Country>Switzerland</Country>
    <Type>Metal</Type>
    <Depositor>Gabriel Fynn</Depositor>
    <Amount-on-deposit>55000.0</Amount-on-deposit>
    <Profitability>12.5</Profitability>
    <Time-constraints>2022-10-08</Time-constraints>
</Account>
<Account id="8000">
    <Name>SwisBank</Name>
    <Country>Switzerland</Country>
    <Type>Time</Type>
    <Depositor>Corsin David</Depositor>
    <Amount-on-deposit>41000.0</Amount-on-deposit>
    <Profitability>10.7</Profitability>
    <Time-constraints>2024-11-01</Time-constraints>
</Account>
</Bank>

bank.xsd 

<?xml version="1.0" encoding="UTF-8"?>
<schema xmlns="http://www.w3.org/2001/XMLSchema"
    targetNamespace="http://www.example.com/bank"
    xmlns:tns="http://www.example.com/bank"
    elementFormDefault="qualified">
<element name="Bank">
    <complexType>
        <sequence>
            <element name="Account"
                     type="tns:Account"
                     maxOccurs="unbounded" />
        </sequence>
    </complexType>
</element>
<complexType name="Account">
    <sequence>
        <element name="Name" type="string"/>
        <element name="Country" type="string"/>
        <element name="Type" type="string">
            <simpleType>
                <restriction base="string">
                    <enumeration value="On-demand"/>
                    <enumeration value="Time"/>
                    <enumeration value="Transactional"/>
                    <enumeration value="Saving"/>
                    <enumeration value="Metal"/>
                </restriction>
            </simpleType>
        </element>
        <element name="Depositor" type="string">
            <simpleType>
                <restriction base="string">
                    <pattern value="[A-Z][a-z]{1,31}((\s[A-Z][a-z]{1,31})|(\s[a-z]{2,32})){1,14}"/>
                </restriction>
            </simpleType>
        </element>
        <element name="Amount-on-deposit" type="decimal"/>
        <element name="Profitability" type="decimal"/>
        <element name="Time-constraints" type="date"/>
    </sequence>
    <attribute name="id" type="positiveInteger" use="required" />
</complexType>
</schema>

unmarshallMain. java 

public class unmarshallMain {
public static void main(String[] args) {
    try {
        JAXBContext jc = JAXBContext.newInstance(Bank.class);
        Unmarshaller u = jc.createUnmarshaller();
        FileReader reader = new FileReader("src/main/java/part/two/chapter/fourteen/bank.xml");
        Bank bank = (Bank) u.unmarshal(reader);
        System.out.println(bank.toString());
    } catch (JAXBException e) {
        e.printStackTrace();
    } catch (FileNotFoundException e) {
        e.printStackTrace();
    }
}
}

Итак, проблема в том, что sysout печатает "[]". Unmarshaller возвращает пустой объект. Если я удаляю схему из bank.xml и пространства имен из @XmlRootElement, она возвращает ожидаемый результат (sysout печатает девять объектов из xml). Итак, что-то не так с пространствами имен, я полагаю.

Кроме того, я попытался объявить отдельный файл package-info.java с аннотацией @XmlSchema, но результат тот же.

Кто-нибудь знает, что происходит? Спасибо за вашу помощь

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