is there any way to add inline schema with xml using jaxb

Question

is there any way to add inline schema with xml using jaxb?I want to mean that I need to add the schema with the schema generated xml file.I give an examole as given below

<transaction>
  <xs:schema id="transaction" xmlns="" xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns:msdata="urn:schemas-microsoft-com:xml-msdata">
    <xs:element name="transaction" msdata:IsDataSet="true" msdata:UseCurrentLocale="true">
      <xs:complexType>
        <xs:choice minOccurs="0" maxOccurs="unbounded">
          <xs:element name="id">
            <xs:complexType>
              <xs:sequence>
                <xs:element name="in" type="xs:string" minOccurs="0" />
                <xs:element name="sn" type="xs:string" minOccurs="0" />
                <xs:element name="book" type="xs:string" minOccurs="0" />
                <xs:element name="author" type="xs:string" minOccurs="0" />
               </xs:sequence>
            </xs:complexType>
          </xs:element>
          <xs:element name="data">
            <xs:complexType>
              <xs:sequence>
                <xs:element name="dateTime" type="xs:dateTime" minOccurs="0" />
                <xs:element name="key" type="xs:string" minOccurs="0" />
              </xs:sequence>
            </xs:complexType>
          </xs:element>
          <xs:element name="productData">
            <xs:complexType>
              <xs:sequence>
                <xs:element name="dateTime" type="xs:dateTime" minOccurs="0" />
                <xs:element name="key" type="xs:string" minOccurs="0" />
              </xs:sequence>
            </xs:complexType>
          </xs:element>
        </xs:choice>
      </xs:complexType>
    </xs:element>
  </xs:schema>
  <id>
    <in>computer</in>
    <sn>1234567</sn>
    <book>JAVA</book>
    <author>klen</author>
  </id>
  <data>
    <dateTime>2011-06-24T17:08:36.3727674+05:30</dateTime>
    <key>Err</key>
  </data>
</transaction>

I can only generate xml file look like

<transaction>
      <id>
        <in>abcd</in>
        <sn>1234567</sn>
        <book>computer</book>
        <author>klen</author>
      </id>
      <data>
        <dateTime>2011-06-24T17:08:36.3727674+05:30</dateTime>
        <key>Err</key>
      </data>
</transaction>

but I can not add inline xmlschema with is xml. my xml generated code looks like

        JAXBContext jaxbContext = JAXBContext.newInstance(Transaction.class);
        Marshaller jaxbMarshaller = jaxbContext.createMarshaller();
    jaxbMarshaller.setProperty(Marshaller.JAXB_FORMATTED_OUTPUT,true);
        jaxbMarshaller.setProperty(Marshaller.JAXB_FRAGMENT,true);
    jaxbMarshaller.marshal(transaction, file);
    jaxbMarshaller.marshal(transaction, System.out);

andbi · Accepted Answer · 2012-03-31 20:56:54Z

1

Maybe I've missed something in the question, but what prevents you from writing following two lines?

Document trxDoc = .....; // this is what you have after marshalling
Document schemaDoc = .....; // this is your Schema document

Node schemaNode = trxDoc.importNode(schemaDoc.getDocumentElement(), true);
trxDoc.getDocumentElement().appendChild(schemaNode);

Here I assume that you have Schema document and marshal object to DOM Node.

answered Mar 31, 2012 at 20:56

andbi

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8 Comments

saba Over a year ago

can u explain briefly I can not understand because I am new in java please explain.

saba Over a year ago

I added code where I marshal my document as per your code I think you create xml using DOM parser but want to try it using totally jaxb.is it possible?

andbi Over a year ago

@saba, see docs.oracle.com/javase/6/docs/api/javax/xml/bind/… , there is an example how to marshal to a DOM Node. As a result you will have DOM representation of your transaction (trxDoc in my text). Then you import root element from your schema document into newly created transaction document.

saba Over a year ago

my xml is too large so I do not want to create node child manually by code I want to use jaxb by which I can generate xml file easily and after that I want to add schema with this document

andbi Over a year ago

@saba, jaxb is not intended for such sort of things, but if it were, then it'd do exactly the same. For large files SAX or StAX marshaling is recommmended.

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