Generate xml String from a xsd file in Java

Question

I have a big schema file (.xsd) that has choices that you can choose from:

<xs:element name="MyData">
    <xs:complexType>
        <xs:choice maxOccurs="unbounded">
            <xs:element name="AAA" type="AAAType" maxOccurs="unbounded" />
            <xs:element name="BBB" type="BBBType" maxOccurs="unbounded" />
            <xs:element name="CCC" type="CCCType" maxOccurs="unbounded" />
            <xs:element name="DDD" type="DDDType" maxOccurs="unbounded" />
            <xs:element name="EEE" type="EEEType" maxOccurs="unbounded" />
            <xs:element name="FFF" type="FFFType" maxOccurs="unbounded" />
            <xs:element name="GGG" type="GGGType" maxOccurs="unbounded" />
            <xs:element name="HHH" type="HHHType" maxOccurs="unbounded" />
            <xs:element name="III" type="IIIType" maxOccurs="unbounded" />
            <xs:element name="JJJ" type="JJJType" maxOccurs="unbounded" />
            <xs:element name="KKK" type="KKKType" maxOccurs="unbounded" />
            <xs:element name="LLL" type="LLLType" maxOccurs="unbounded" />
            <xs:element name="MMM" type="MMMType" maxOccurs="unbounded" />
            <xs:element name="NNN" type="NNNType" maxOccurs="unbounded" />
            <xs:element name="OOO" type="OOOType" maxOccurs="unbounded" />
            <xs:element name="PPP" type="PPPType" maxOccurs="unbounded" />
            <xs:element name="QQQ" type="QQQType" maxOccurs="unbounded" />
            <xs:element name="RRR" type="RRRType" maxOccurs="unbounded" />
            <xs:element name="SSS" type="SSSType" maxOccurs="unbounded" />
            <xs:element name="TTT" type="TTTType" maxOccurs="unbounded" />
            <xs:element name="UUU" type="UUUType" maxOccurs="unbounded" />
            <xs:element name="VVV" type="VVVType" maxOccurs="unbounded" />
            <xs:element name="WWW" type="WWWType" maxOccurs="unbounded" />
            <xs:element name="XXX" type="XXXType" maxOccurs="unbounded" />
            <xs:element name="YYY" type="YYYType" maxOccurs="unbounded" />
            <xs:element name="ZZZ" type="ZZZType" maxOccurs="unbounded" />
        </xs:choice>
        <xs:attribute name="version" type="xs:string" />
    </xs:complexType>
</xs:element>

Each type has its own sequences and complex types. Is there a way I can program something in Java where I give it the choice as a String, the program looks in the schema file and outputs a XML String? Similar to how you can create a XML file in Eclipse given the schema, I want to do it programmatically.

IntelliJ does this easily: Right click on the xsd and ask the IDE to create an XML for you. — duffymo
– duffymo, Commented Jun 17, 2016 at 13:36

Sanj · Accepted Answer · 2016-06-17 13:32:48Z

2

Have a look at JAXB, which reads schema files and generates Java classes that follow the rules set in your XSD. It basically creates POJO objects, which have a bunch of setters to easily populate the required XML data.

JAXB is commonly used, and worthwhile learning anyway.

See the official documentation here

Lesson: Introduction to JAXB

answered Jun 17, 2016 at 13:32

Sanj

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3 Comments

syy Over a year ago

Would you know how to do this with ADB? Just found out company wants to use that. I looked in the documentation but it's not that good.

Sanj Over a year ago

I have only come across ADB in axis2, which is used for SOAP request. Here a link that may help Axis2 Databinding Framework

syy Over a year ago

Yea, I saw that too. Not that extensive, unfortunately.

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