Jackson XML ArrayList serialization

Question

I have problem with serialization. I have XML :

<ds:Transforms>
   <ds:Transform Algorithm="http://www.w3.org/2000/09/xmldsig#enveloped"/>
   <ds:Transform Algorithm="http://www.w3.org/TR/2001/REC"/>
</ds:Transforms>

Tag Transform is empty but has attribute.

Pojo Transforms:

@Data
public class Transforms {
    @JacksonXmlProperty(localName = "Transform")
    @JacksonXmlElementWrapper
    private List<Transform> transform;
}

Pojo Transform:

@Data
public class Transform {
    @JacksonXmlProperty(isAttribute = true, localName = "Algorithm")
    private String algorithm;
}

When I serialize the given XML, the incoming result is:

Transforms(transform=[])

How could I get the list of two Transform with field algorithm ?

Anish B. · Accepted Answer · 2024-08-14 07:23:05Z

2

Just disable useWrapping attribute in the @JacksonXmlElementWrapper by putting false in Transforms class. It will work.

Updated code:

@Data
public class Transforms {
    @JacksonXmlProperty(localName = "Transform")
    @JacksonXmlElementWrapper(useWrapping = false)
    private List<Transform> transform;
}

Output on my local:

Transforms(transform=[Transform[algorithm='http://www.w3.org/2000/09/xmldsig#enveloped'], Transform[algorithm='http://www.w3.org/TR/2001/REC']])

edited Aug 14, 2024 at 7:23

answered Aug 14, 2024 at 6:56

Anish B.

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1 Comment

FPS Bard Over a year ago

Thank you! I tryed ``` @JacksonXmlElementWrapper(useWrapping = false, localname = "Transform") ``` And it didn't work, but your code works!

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