kam

one of those blogs

# execute trang.jar (create XSD from XMLs)
alias xml2xsd='java -jar ~/soft/utils/trang/trang-20030619/trang.jar'

$ ls -l
total 4
-rw-r--r-- 1 user group 357 2008-05-28 15:38 holiday-request.xml
 
$ cat holiday-request.xml

<?xml version="1.0" encoding="UTF-8"?>
<holidayRequest xmlns="http://mycompany.com/hr/schemas">
    <holiday>
        <startDate>2006-07-03</startDate>
        <endDate>2006-07-07</endDate>
    </holiday>
    <employee>
        <number>42</number>
        <firstName>Ultimate</firstName>
        <lastName>Answer</lastName>
    </employee>
</holidayRequest>

$ xml2xsd holiday-request.xml hr.xsd
$ cat hr.xsd

<?xml version=”1.0″ encoding=”UTF-8″?>
<xs:schema xmlns:xs=”http://www.w3.org/2001/XMLSchema” elementFormDefault=”qualified” targetNamespace=”http://mycompany.com/hr/schemas” xmlns:schemas=”http://mycompany.com/hr/schemas”>
  <xs:element name=”HolidayRequest”>
    <xs:complexType>
      <xs:sequence>
        <xs:element ref=”schemas:Holiday”/>
        <xs:element ref=”schemas:Employee”/>
      </xs:sequence>
    </xs:complexType>
  </xs:element>
  <xs:element name=”Holiday”>
    <xs:complexType>
      <xs:sequence>
        <xs:element ref=”schemas:StartDate”/>
        <xs:element ref=”schemas:EndDate”/>
      </xs:sequence>
    </xs:complexType>
  </xs:element>
  <xs:element name=”StartDate” type=”xs:NMTOKEN”/>
  <xs:element name=”EndDate” type=”xs:NMTOKEN”/>
  <xs:element name=”Employee”>
    <xs:complexType>
      <xs:sequence>
        <xs:element ref=”schemas:Number”/>
        <xs:element ref=”schemas:FirstName”/>
        <xs:element ref=”schemas:LastName”/>
      </xs:sequence>
    </xs:complexType>
  </xs:element>
  <xs:element name=”Number” type=”xs:integer”/>
  <xs:element name=”FirstName” type=”xs:NCName”/>
  <xs:element name=”LastName” type=”xs:NCName”/>
</xs:schema>

$

74 comments

1. Gem

   August 10, 2011 at 12:46

   Thanks very much for the detail steps!.
   trying to run it with java 1.4 and 1.5, however it gives me this error:
   Exception in thread “main” java.lang.UnsupportedClassVersionError: com/thaiopensource/relaxng/translate/Driver (Unsupported major.minor version 49.0)
   at java.lang.ClassLoader.defineClass0(Native Method)
   at java.lang.ClassLoader.defineClass(ClassLoader.java:539)
   at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:123)
   at java.net.URLClassLoader.defineClass(URLClassLoader.java:251)
   at java.net.URLClassLoader.access$100(URLClassLoader.java:55)
   at java.net.URLClassLoader$1.run(URLClassLoader.java:194)
   at java.security.AccessController.doPrivileged(Native Method)
   at java.net.URLClassLoader.findClass(URLClassLoader.java:187)
   at java.lang.ClassLoader.loadClass(ClassLoader.java:289)
   at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:274)
   at java.lang.ClassLoader.loadClass(ClassLoader.java:235)
   at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:302)

   Any idea ?
   i just follow the command:
   java -jar trang.jar example.xml example.xsd
2. Gem

   August 10, 2011 at 13:00

   after digging, i found the answer from another forum
   it’s to do with system java incompactable with the version the jar file it’s compiled with.
   http://www.devdaily.com/blog/post/java/java-lang-unsupportedclassversionerror
   this works!
3. lamps and lighting

   August 20, 2011 at 19:51

   It’s actually a great and useful piece of info. I’m glad that you just shared this useful info with us. Please stay us informed like this. Thank you for sharing.
4. Vijay

   August 24, 2011 at 13:47

   Awesome info on xsd auto gen
5. Betlista

   August 31, 2011 at 07:38

   Simple and useful, thanks
6. jayantd

   September 6, 2011 at 04:21

   Most useful, thanks
7. upog

   October 4, 2011 at 04:19

   Thanks.
8. chien cao

   December 2, 2011 at 03:26

   I generated a schema file from test.xml, and then I validated test.xml with the schema i generated. the result is that validation failed.
   My xml file has some namespace:
9. chien cao

   December 2, 2011 at 03:27

   marketlive xmlns=”http://marketlive.com/integration/xmlbean” xmlns:xsi=”http://www.w3.org/2001/XMLSchema-instance” xsi:schemaLocation=”http://marketlive.com/integration/xmlbean ..\..\5.8schema\MarketLive.xsd”
10. Dee

    February 23, 2012 at 17:02

    Thanks. It worked wonderfully for me – HP UNIX platform.
11. Evgenia Martynova

    May 18, 2012 at 10:41

    Thanks a lot, just works as it is on my Ubuntu 11.04.
12. Java Developer

    June 19, 2012 at 19:28

    Just stumble from spring training and see this is really useful. Thanks for sharing.
13. negora

    September 12, 2012 at 07:42

    Really useful tool. I’m going to start using it just now . Thank you.
14. Govind

    February 25, 2013 at 16:28

    Really simple and great tool. Thanks for pointing to it with the detailed steps.