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Java 无法使用Jackson XML直接在根元素内反序列化列表_Java_Xml_Serialization_Jackson - Fatal编程技术网

Java 无法使用Jackson XML直接在根元素内反序列化列表

Java 无法使用Jackson XML直接在根元素内反序列化列表,java,xml,serialization,jackson,Java,Xml,Serialization,Jackson,我无法反序列化根元素的子目录列表,我尝试了各种方法 我的代码: private static class Cards { @JacksonXmlElementWrapper(localName = "Cards") private List<Card> cards; public List<Card> getCards() { return new ArrayList<>(cards); } } privat

我无法反序列化根元素的子目录列表,我尝试了各种方法

我的代码:

private static class Cards {
    @JacksonXmlElementWrapper(localName = "Cards")
    private List<Card> cards;

    public List<Card> getCards() {
        return new ArrayList<>(cards);
    }
}

private static class Card {
    @JsonProperty("Name")
    private String name;

    @JsonProperty("Image")
    private String image;

    @JsonProperty("CardType")
    private String cardType;

    private final Map<String, Integer> resources = new HashMap<>();

    private boolean duplicateResources = false;
    private final List<String> duplicateResourceNames = new ArrayList<>();

    @JsonAnySetter
    private void addResource(final String name, final Object value) {
        if (resources.containsKey(name)) {
            duplicateResources = true;
            duplicateResourceNames.add(name);
        }
        resources.put(name, Integer.parseInt(value.toString()));
    }

    public String getName() {
        return name;
    }

    public String getImage() {
        return image;
    }

    public String getCardType() {
        return cardType;
    }

    @JsonAnyGetter
    public Map<String, Integer> getResources() {
        if (duplicateResources) {
            throw new UncheckedCardLoadingException("Resources " + duplicateResourceNames + " have duplicate entries");
        }
        return new HashMap<>(resources);
    }
}
尝试反序列化以下XML时:

<Cards>
    <Card>
        <Name>test</Name>
        <Image></Image>
        <CardType>test</CardType>
    </Card>
</Cards>

测试
测试
它以错误的形式给出:

com.cardshifter.core.cardloader.CardLoadingException:com.fasterxml.jackson.databind.exc.UnrecognizedPropertyException:Unrecogned字段“Card”(class com.cardshifter.core.cardloader.XmlCardLoader$Cards),未标记为可忽略(一个已知属性:“Cards”]) 位于[来源:C:\Users\Frank\Dropbox\NetbeansProjects\Cardshifter\Cardshifter core\target\test classes\com\Cardshifter\core\cardloader\single-card.xml;第3行,第9列](通过引用链:com.Cardshifter.core.cardloader.Cards[“card”])


首先,看看这些:

@JacksonXmlElementWrapper(localName = "Cards")
private List<Card> cards;
你们班上没有写“卡片”的地方

其次,在解决了这个问题后,下面是我如何解决整个加载问题的:

private static class Cards {
    @JacksonXmlElementWrapper(localName = "Card")
    @JsonProperty("Card")
    private List<Card> card = new ArrayList<>();

    @JsonSetter
    public void setCard(Card card) {
        this.card.add(card);
    }
}
专用静态类卡{
@JacksonXmlElementWrapper(localName=“卡”)
@JsonProperty(“卡”)
私有列表卡=新的ArrayList();
@杰森塞特
公共作废设置卡(卡片){
此.card.add(卡片);
}
}

setCard
方法只是告诉Jackson,如果遇到这种情况,它应该将其解释为
Card
,然后您提供将其添加到阵列中的方法。

太棒了,为我节省了至少一个小时的时间来搜索类似问题的解决方案,谢谢!希望这是最好的答案。@SorinGrecu现在是了!;)@skiwi只是因为我在聊天时打了你一个电话:)谢谢Sorin给了我另一个+25的名声!
com.fasterxml.jackson.databind.exc.UnrecognizedPropertyException: Unrecognized field "Card" (class com.cardshifter.core.cardloader.XmlCardLoader$Cards)
private static class Cards {
    @JacksonXmlElementWrapper(localName = "Card")
    @JsonProperty("Card")
    private List<Card> card = new ArrayList<>();

    @JsonSetter
    public void setCard(Card card) {
        this.card.add(card);
    }
}