XML to Java Class Conversion.

Hi all,
I need to convert a XML document to Java class.
Then create numerous objects of this class.
Convert the multiple objects single XML file
Im able to convert objects to XML..
But I need a way to convert XML document to Java class..
Any ways to do the same??
Thanks.

1.Define an XML Schema for the XML document and compile the schema to Java classes.
2.Unmarshall the XML document with the Java classes.

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Xml To Java class generation

Hi ,
I want to get the java source file from my xml file dynamically ..Will any body guide me for that and provide the codes ..

Hello,
Are you looking to programmatically run something like the JAXB schema to Java compiler? If so you can leverage the main method on the following class:
com.sun.tools.xjc.XJCFacade
This of course assumes that you have an XML schema for your XML. If not you would need to find a way to dynamically create an XML schema from your XML document.
-Blaise

Is there any way to prevent web.xml from any change like java class?

hi all,
Is there any way to prevent web.xml from any change after making EAR(WAR)?
One can easily make a change in web.xml and redeploy the application to get the result. Now we want to restrict the web.xml as java class for any change after making EAR(or WAR).
Could some one help me to do this?
thanks,
dinesh

hi,
Not at development level. We want it after deploying the application on server .
We want to create it (web.xml) at tomcat startup (or in any other web/app server ) before loading any context.
Is there any way to run a simple java class(not servlet) on tomcat startup(before initializing the contexts)?
Message was edited by:
DP_java
Message was edited by:
DP_java

Converting XML to Java Objects...possible?

Hi, Am a newbie to JAXB. As far as I read, JAXB has facility to convert "XSD" (not XML) to Java "classes" (not objects). This can be done using xjc compiler. Can XML files (i.e. ones with data) be converted to Java objects (retaining the data from XML files)? If yes, please throw some light on how it can be done. If no, then is there some java technology to do such a thing?
Thanks.

http://xmlbeans.apache.org/

JAVA Object to XML to JAVA to XML

I have to achieve below in java:-
-Create input XMLs from Java class (that resides in a jar).
-Take input from user then store that data to Java object and submit for processing.
-After processing print response java object again in XML.
What is the best API to achieve this. Will be helpful if any example is available.

Thanks for the Reply =)
I have a Java Object that have some fileds like arraylist<Class> I want to take care of these fields as well.
If that arrayList<Class> have another fields that can be normal fileds or arraylist of another class, need to take care of all fields during XML generation
Example:-
Root Class have below fields
private int ArCt;
private ArrayList<ClassChild1> Ar;
Setters
Getters
ClassChild1.class
private int PlnCd;
private int cArCt;
private ArrayList cAr<ClassChild2> cAr;
ClassChild2.class
private String PlNm
XML Needed - Example from above object
<root>
<ArCt>1</ArCt>
<Ar>
<ClassChild1>
<PlnCd>S</PlnCd>
<cArCt>2</<cArCt>
<cAr>
<ClassChild2>
<PlNm>Plan1</PlNm>
</ClassChild2>
<ClassChild2>
<PlNm>Plan2</PlNm>
</ClassChild2>
</cAr>
</ClassChild1>
</Ar>
</root>
Edited by: nitingautam on May 15, 2011 11:01 PM

Any tools for converting java class to xml schema ?

Hi,
Are there any tools out there that can convert my java class to xml schema. How such tools take care of java collections like HashTable, ArrayList etc. in my class structure. I am not interested in writing any configuration files(like jaxb configuration files, jibx binding xml files etc.) for serving this purpose and the can be able to give me xml schema from the java classes. Please suggest ...
I am not sure even JAXB 2.0 allows me to do this without writing any jaxb configuration files or annotations in my java class which is not there in JDK 1.4.2
Thanks & Regards,
Kr.

Hi,
You can convert the EDI file to XML in any of the ways
1) Using third party seeburger adapters
2) Conversion agent
3) Stylus studio.
I think using java code it will be very difficult.
Thnx
Chirag

Binding XML to java types generated using Oracle Class Gen

Hi,
how can you bind an XML to the java types generated using the class gen provided byOracle.
I am using oracle 9i production. as part of my design, i have to read an xml input in my java class and use the contents to create some records and send a response xml back.
The latter part of i can do as the java types provide setter methods to set the data and conversion to xml.
Jaxb can be using to bind xml to java datatypes but its not supported in Oracle9i.
What are the alternatives for achieving the same?
Thanks
Ashwin

Hi Ashwin,
This is a bit outside my area of expertise, but I did run an older version of TopLink in the Oracle database java VM a few years back so I'll base my advice on that. Hopefully other forum members can correct me if I steer you wrong.
First you will need to set up your XML environment:
I believe the Oracle 9i database includes a JDK 1.3 VM. You will first need to determine if the VM includes any JAXP APIs. I believe there is an SQL query that allows you to query the classes available in the VM. First check if javax.xml.parsers.DocumentBuilderFactory is present.
If the JAXP APIs are already present in the database you will need to do the following. First load the class javax.xml.namespace.QName into the database. You can extract this from xmlparserv2.jar or from Suns Java Web Service Developer Pack jax-qname.jar. Then you will need to load the JAXB APIs. You can load xml.jar or jaxb-api.jar from Sun's JWSDP.
If the JAXP APIs are not present you will need to load the 10.1.3 version of the XDK jars (these are shipped with the 10.1.3 TopLink install). Load xmlparserv2.jar and xml.jar into the database.
Second you will need to setup your TopLink environment:
Load toplink.jar into the database. If the JAXP APIs were already present and you didn't load the 10.1.3 XDK jars into the database you will need to set the following System property.
toplink.xml.platform=oracle.toplink.platform.xml.jaxp.JAXPPlatform-Blaise

Help in creating a Java class to convert Html source to XML

He Everyone!
I am using selenium as my automation tool
I got the htmlsource of the page using selenium.
Now i have to write a Java class which will convert the data (html source)
(and output a data structure in standard XML format
Can anyone give me an example codejava class) in how to acheive this please?
Please mail to
[email protected]
Many thanks

getafix14 wrote:
Can anyone give me an example codejava class) in how to acheive this please?
Please mail to
[email protected]
Sorry Charlie, but this isn't a "mail me the codez" forum. Either use Google, or try to share your problem and their solutions in the forum. Besides, a little Googling will find you a solution.

How to represent XML inline tags in a Java class

Dear all,
I am currently dealing with the issue of how to transform an XML document into a Java representation. As far as the strucural elements are concerned, I'd represent them each one of them as a Java class. However, the XML structure also allows for inline tags, i.e. elements which specify formatting information for the text. I am looking for good ideas for how to best represent these in my Java class(es).
Let's use an example. Suppose I have something like this:
<root>
 <structure>A piece of text</structure>
 <moreStructure>A piece of bold text</moreStructure>
 <finalStructure>A piece of <inlineTag att="value"> more text!</inlineTag> </finalStructure>
</root>I this case I would build four classes for the strucural elements. But how do I represent and <inlineTag>? In my XML documents I have several such inline tags, each of which may also have a bunch of attributes. I am sure this has been solved cleverly before. Any help greatly appreciated.
Best regards,
N.

The XML term for "containing tags and text" is "mixed content". And XML designers generally don't care much for mixed content. You're finding out one of the reasons for that right now. They aren't elegant or clever, just inconvenient.
However sometimes you have to deal with ugly structures. This is one of them. I would represent mixed content as a list, just as you already thought of. The elements in this list would be either text or elements. So in this example:<moreStructure>A piece of bold text</moreStructure>you would have three entries:
1. Text "A piece of "
2. A element
3. Text " text"
And when retrieving from that list you would have to use "instanceof" to see if you had a String or an element of some kind.
And if "standalone tags" versus "paired tags" is a complication, then you're looking at it wrong. XML doesn't care much about tags. Tags only exist to delimit an element, and you should be looking at elements.
I'm guessing at your non-standard terminology here: a "standalone tag" is an empty element like
, right? And "paired tags" means a non-empty element like <this>that</this>? They're all elements. The first is a "br" element and the second is a "this" element.

Using Custom Java Class - WorkflowRegistry.xml

I am using a custom java class in workflow. While executing I am getting errot -
com.waveset.util.WavesetException: Class com.LdapGroupMod is not a WorkflowApplication
It seems from documentation that I need to add this in workflowregistry.xml file. I added the same like given below -
<WorkflowApplication name='Workflow Name'
class='com.LdapGroupMod'>
<Comments>Nothing Here</Comments>
</WorkflowApplication>Even tried restaring the application server but I am still getting same error. Any idea what needs to be done here? or I am missing smething?

Well the first thing would be to read the workflowRegistry.xml file. The header talks about internal and external applications and so on. The crucial part is that any application registered must implement the WorkflowApplication interface (which I guess your class dont do)
I gave up. I am totally baffled by the documentation. I admit it.
What I did was to create an Script action in an Activity where the script used Xpress to invoke my class. It seems to work.

Mapping java classes to XML files

Hi Friends !!
Please I need your help.
Does somebody out there know any framework or API that helps me to map Java classes to XML files.
Something like:
public class Test {
 public int x;
 public int y;
 public int sum(){}
}to something like:
<?xml version="1.0" encoding="UTF-8"?>
<class>
<className>Test</className>
bla
bla
bla
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Any tips?
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JAXB will create classes from an XML schema, SAX is a parser library and JAXP is a library of XML a bunch of XML tools.
I don't care for JAXB too much. I would skip it and go right to the JAX-RPC spec (WebServices).

Generation of java classes from XML Schema.

Hi All,
I am working with JWSDP-2.0 but got stucked.:
To generate Java classes from an XML Schema with the JAXB ,I need to have following jar file in thils location with this JWSDP-2.0
<JWSDP>/jaxb/lib/jaxb-api.jar
<JWSDP>/jaxb/lib/jaxb-impl.jar
<JWSDP>/jaxb/lib/jaxb-libs.jar
<JWSDP>/jaxb/lib/jaxb-xjc.jar
<JWSDP>/jwsdp-shared/lib/namespace.jar
<JWSDP>/jwsdp-shared/lib/jax-qname.jar
<JWSDP>/jwsdp-shared/lib/relaxngDatatype.jar
And here I m not finding as jaxb-libs.jar,namespace.jar and jax-qname.jar on respective location.
If I m putting these left jar file from another place it is not generating all the classes as at least in number it should be 45 but it is generating merely 5 classes.
Can any one help me regarding this.
Regards.
Shelly.

These JAXB JAR files are for JAXB 1.0.
For JAXB 2.0 the following JAR files are required.
C:\Sun\jwsdp-2.0\jaxb\lib\jaxb-api.jar
C:\Sun\jwsdp-2.0\jaxb\lib\jaxb-impl.jar
C:\Sun\jwsdp-2.0\jaxb\lib\jaxb-xjc.jar
C:\Sun\jwsdp-2.0\jwsdp-shared\lib\activation.jar
C:\Sun\jwsdp-2.0\sjsxp\lib\jsr173_api.jar
C:\Sun\jwsdp-2.0\sjsxp\lib\sjsxp.jar

Errors generating Java classes from XML schema

I received the following errors when generating Java classes from the schema located at: http://imsproject.org/xsd/ims_qti_rootv1p1.xsd and http://imsproject.org/xsd/ims_xml.xsd
XML Spy v4 claims that the schema is well-formed and valid. Could this be a problem with the class generators, or is XML Spy not telling the truth?
Thanks.
D:\IMS_QTI\Java>java -classpath .;lib/xmlparserv2.jar;lib/xschema.jar;lib/classgen.jar oracle.xml.classgen.oracg -schema ims_qti_rootv1p1.xs
d -outputDir src\com\icld\qti -package com.icld.qti -comment
file:/D:/IMS_QTI/Java/ims_qti_rootv1p1.xsd<Line 235, Column 21>: XSD-2209: (Error) Duplicated definition for: 'attr.view'
file:/D:/IMS_QTI/Java/ims_qti_rootv1p1.xsd<Line 303, Column 21>: XSD-2209: (Error) Duplicated definition for: 'grp.labels'
file:/D:/IMS_QTI/Java/ims_qti_rootv1p1.xsd<Line 1834, Column -12236>: XSD-2209: (Error) Duplicated definition for: 'qtimetadatafield'
file:/D:/IMS_QTI/Java/ims_qti_rootv1p1.xsd<Line 1834, Column -9642>: XSD-2209: (Error) Duplicated definition for: 'typeofsolutionType'
file:/D:/IMS_QTI/Java/ims_qti_rootv1p1.xsd<Line 2252, Column -3019>: XSD-2026: (Error) Invalid attribute 'use' in element 'attribute'
Error: Schema Class Generator failed to generate classes. oracle.xml.parser.schema.XSDException: Duplicated definition for: 'attr.view'

<BLOCKQUOTE>quote:<HR>Originally posted by Jinyu Wang ([email protected]):
Which version are you using? I can't reproduce the error with 9.0.2B version.<HR></BLOCKQUOTE>
Thanks for having a look at the problem. I am using the 9.0.2.0B version with Java 2 Standard Edition Build 1.3.1-b24. The classgen -version option returns 9.0.2.0b-beta - and xmlparserv2.jar and xschema.jar are from the same distribution. Running the corresponding DTD from the same source work fine - I'm just havinf this problem with the XSD. Anything else I should look at?

Ignore some fields while saving a Java class into XML

Hi!
I've seen in this forum that there is an easy way of saving Java classes to XML files using Castor. I want to save some Java classes into XML, but not all the fields of the class. For example, I want to ignore all lists. Is there any easy way to do something like this:
class Java2XML{
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}Thanks in advance!

You can add a managed bean by:
- manually adding a definition in the faces config source tab.
- creating a bean in the overview tab of the faces-config editor.
So yes, you can edit the faces-config manually.
I hope this answer your question,
Regards,
Koen Verhulst

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Is it possible for a Java Class to read or extract a parameter stored in web.xml file?

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