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POProviding custom value serialization for enums via JAXB
 

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    <p>For a project I'm working on, we have a lot of enums in use. The model object itself is composed from a lot of tiny classes; this model we then serialize to our DB as XML via JAXB. Now, we want to be able to serialize our enum values using the return of a particular method in the enum; that is given:</p> <pre><code>public enum Qualifier { FOO("1E", "Foo type document"), BAR("2", "Bar object"); private String code, description; public Qualifier(String code, String description) { this.code = code; this.description = description; } public String getCode() { return this.code; } public String getDescription() { return this.description; } } </code></pre> <p>etc. etc. Currently, when serialized to XML, we get something like:</p> <pre><code>&lt;qualifier&gt;FOO&lt;/qualifier&gt; </code></pre> <p>which is how JAXB handles it. However, we need the value to be the return of getCode(), and a whole lot of our enums do follow that convention (with a corresponding static method for lookup via code), so that the above XML fragment looks like:</p> <pre><code>&lt;qualifier&gt;1E&lt;/qualifier&gt; </code></pre> <p>instead. We can annotate it with <code>@XmlEnum</code> and <code>@XmlEnumValue</code>, but that's too tedious -- some enums have up to 30 enumerated values, and hand-editing it is not good. We're also thinking of using a custom serializer instead, but I'd like to avoid going that route for now (but if that's the way to go, then I have no problem with it).</p> <p>Any ideas how?</p>
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