MyContentHandler and JAXB

Hi folks
I working with JAXB but need my own Parser/ContentHandler. So I set up my SAX2 parser and get the accordant XMLReader.
final String JAXP_SCHEMA_LANGUAGE = "http://java.sun.com/xml/jaxp/properties/schemaLanguage"
final String JAXP_SCHEMA_LOCATION = "http://java.sun.com/xml/jaxp/properties/schemaSource";
final String W3C_XML_SCHEMA = "http://www.w3.org/2001/XMLSchema"
System.setProperty( "javax.xml.parsers.SAXParserFactory",
                                "org.apache.xerces.jaxp.SAXParserFactoryImpl" );
SAXParserFactory spf = SAXParserFactory.newInstance();
spf.setNamespaceAware(true);
spf.setValidating(true);
SAXParser saxParser = spf.newSAXParser();
try {
           saxParser.setProperty(JAXP_SCHEMA_LANGUAGE, W3C_XML_SCHEMA);
           saxParser.setProperty(
                     JAXP_SCHEMA_LOCATION,
                     getClass().getResource("pilotmodel.xsd").toExternalForm());
} catch (SAXNotRecognizedException x) {
           // exception handling omitted
XMLReader xmlReader = saxParser.getXMLReader();
PilotmodelXMLHandler handler = new PilotmodelXMLHandler();
xmlReader.setContentHandler(handler);
SAXSource source = new SAXSource( xmlReader, new InputSource(in));
JAXBContext jc = JAXBContext.newInstance("pilotmodel");
Unmarshaller un = jc.createUnmarshaller();Parsing works fine but my ContentHandler isn't called. What am I doing wrong?
Cheers

Maybee here
http://java.sun.com/webservices/docs/1.4/api/index.html

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I've had the same exact problem! I had the property file in my JAR file properly, but the JAXBContext.newInstance( "package.name" ) call was failing - while at the same time I could load the property file via the ClassLoader just fine, by hand.
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Hi All,
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Oracle Containers for JAVA(OC4J)
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Hi, Folks.
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Maybee here
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First what you mean by "deploying classes as web services"? Chances are you
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Peace,
Cameron Purdy
Tangosol, Inc.
Clustering Weblogic? You're either using Coherence, or you should be!
Download a Tangosol Coherence eval today at http://www.tangosol.com/
"Simon Wallis" <[email protected]> wrote in message
news:[email protected]..
Hi, can WebLogic deploy simple Java classes (not EJB's or JB's, just
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xjc.bat -p com.me.test example.xsd -d gen
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Thanks
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XSD Follows:
================================================================================
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Got it to work...
My XSD had the line in BaseTypes:
<xs:attribute name="name" type="xs:string" use="required"/>
and the line in OtherTypes:
<xs:attribute name="name" fixed="Test"/>
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<xs:attribute name="name" type="xs:string" use="required" fixed="Test"/>
Got it to work.
Not sure if this is a Bug in JAXB or its just being fussy... Sure going to make it a pain to hand code in the extra tags in to my real life XSD!
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Thanks
Des
BTW getting a java.lang.reflect.InvocationTargetException now - but as I'm just learning JAXB so I'm guessing thats something else.

Web Service Object Parameters and JAXB

Hi All,
This is my first post here and I'm hoping one of you might have encountered a similar problem before. One of our business partners provided us with a WSDL for their service, with an embedded XML schema. My job in this case is to write a message driven bean (MDB) that will take a message containing XML off of a queue and call this web service. However, their web service requires an object to be passed as input. So, I've used JAXB to generate a set of classes (from the schema I ripped out of their WSDL) that will unmarshal the XML document that comes off the queue. This works fine, however, the resulting object is an inherently different object than the object I need to pass to the web service, that one was created by auto-generating the Java proxy for the web service. Since these two classes come from the same schema definition, they have the same structure and can hold the same data, but they have different implementations. My plan is to write a method to copy the data from one object to another, but this feels redundant. Is there any approach I could use to make these two auto-generated sets of code be more compatible, other than the obvious answer of having written everything by hand? Thanks in advance for any replies.

Are the XML instances coming from the queue and the request object to the WS defined by the same schema (from the business partner)? If they are different, there's no other option than to do a copy or some sort of XSLT (not that that's any easier though). But if the instances are defined by the same schema, just use some data binding framework that you can use for both reading the XML from the queue and that is incorporated into the WS toolkit you're using.
For example, Axis2 allows you to use XMLBeans as a the data binding framework. Using the generated classes from Axis2, you can read in the XML instances from the queue and at the same time have the request object for the WS call.

Update Unbounded element using SOAP_CLIENT and JAXB classes

I am writing a custom worklist application using 10.1.3.3. I am able to successfully kick off my BPEL process from my Java application and I am even able to modify most of the fields defined in my XSD. My problem occurs when I try to update the unbounded elements. They are of complex type and each request can have an unlimited number of these elements.
I used JDeveloper's tool to generate the JAXB classes I'm using to interact and modify the payload of my task. I know that JAXB does not generate setter methods for unbounded elements. I should be able to get the list of elements and simply add to it. Unfortunately, the new list elements are not being saved when I marshall my payload and update the task with the new payload.
Any ideas on what I'm doing wrong or if there is another way to do this? I've posted code snippets below.
Thanks!
Quote Element from XSD:
<xsd:element name="Quote" nillable="true" minOccurs="0" maxOccurs="unbounded">
<xsd:complexType>
<xsd:sequence>
<xsd:element name="WorksheetId" type="xsd:int" minOccurs="0"/>
<xsd:element name="QuoteId" type="xsd:int" minOccurs="0"/>
<xsd:element name="Description" nillable="true" minOccurs="0">
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<xsd:element name="Quantity" type="xsd:int" nillable="true" minOccurs="0"/>
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AddQuote java code:
JAXBContext jc = JAXBContext.newInstance("myproject.xml");
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Task detailTask = wfSvcClient.getTaskQueryService().getTaskDetailsById(ctx, thisId);
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detailTask.setPayloadAsElement(detailPayload);
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who actually managed to make the SOAP_CLIENT working ?
What is the jar list and order you use ?
Does it work with java 5 ?
Thanks for the help!

JAX-WS and JAXB 2.0 for ComplexTypes

I have a simple web service method that returns a string. I want to enhance this method to return a Java object. Do I have to explicitly use JAXB and have the web service method return the marshalled data string? And then unmarshall on the client side? Or does JAX-WS handle this implicitly?
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Maybee here
http://java.sun.com/webservices/docs/1.4/api/index.html

XML "container" elements and JAXB

Hi,
Does anyone know if there is a way to tell the JAXB compiler not to create classes for certain elements which are just containers for a collection of some other elements. For example, suppose the resultant XML (snippet) is like this:
<library>
<books>
<book .... />
<book .... />
<book .... />
</books>
</library>What I want to accomplish is tell JAXB compiler to create Library class like this:
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}Currently, what would happen is that JAXB would create Library class like this:
public class Library {
private Books books;
}and then create another class Books like this:
public class Book {
private ArrayList book;
public ArrayList getBook();
}Obviously, when working with Java code, what I would want is to skip all this nonsense in the middle and just have it the way I showed it in the first example.
Of course, one solution is not to declare the "books" container element in the schema. However, what I want to know if this is the only solution or there is a way to customize JAXB to get it to produce a class shown in the very first example.
Thanks,
Yaakov.

I believe this question is cross-posted and already answered in http://forums.java.net/jive/forum.jspa?forumID=46

Dublin Core and JAXB

If I try to compile this schema using xjc (1.0.4-b18-fcs):
<?xml version="1.0" encoding="UTF-8"?>
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema"
            xmlns:dc="http://purl.org/dc/elements/1.1/"
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</xs:schema>from http://dublincore.org/schemas/xmls/
I get an error while parsing the imported schema:
[ERROR] the property "Content" is empty and contains no value
line 45 of dc.xsd
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This schema is valid, according to http://tools.decisionsoft.com/schemaValidate.html
Any ideas why JAXB is unhappy?
Thanks,
J

I am also getting the same error. for some reason.
are you using the JAXB 1.5?
Jin

Tomcat 4.0.x and JAXB

Hi,
I am trying to use JAXB 1.0 early-access with Tomcat 4.0.x Has anyone got this to work? My trouble began with a strange "ClassNotFound" exception on a class that was clearly there (javax.xml.bind.MarshallableRootElement") -- I could load other classes in the same jar but not that one. From there I dug into the source code for the class loader (had a stack trace, what the hell) and noticed that some package names are on the "not to load" list (javax.xml.bind. is close but not one of them).
When I fiddled with the classpath used by catalina in the batch file I started getting a "sealing violation" on catalina startup when I tried to put the JAXB classes in the path.
So now I'm stuck, I can't believe that JAXB wouldn't work with Tomcat 4.0.x and I'm hoping somebody will prove me wrong.
Any info is appreciated,
Shane Ruman

Eventually, that is what I am trying to do. However, at this point I am unable to even get a class.forName(javax.xml.bind.MarshallableRootElement") to succeed (although class.forName's on other classes only located in jaxb-1.0-ea.jar succeed) to work. It seems that Tomcat is simply refusing to load that class.

XMLBeans and JAXB

Can someone from BEA explain the relationship and/or differences between the proposed
Java standard API for XML binding, JAXB, and XMLBeans? Obviously XMLBeans offers
additional APIs, such as cursors and XQuery support (which is neat), but it seems
to be non-standard and BEA-specific.
In this context, are there any clear statements from BEA product marketing how
the technology will be productized? Without that, it seems a bit dangerous to
use...
Thanks,
PM

XMLBeans and JAX-B are complementary technologies. JAX-B is a good technology
for loading XML documents into Java objects – in constructing XMLBeans, we have
attempted to be compatible with JAX-B naming conventions. However, JAX-B cannot
necessarily preserve the full fidelity of XML documents, nor does it support 100%
of schema. This is where XMLBeans is complementary - document preservation and
support for extensibility are explicit goals of XMLBeans. Though JAX-B does not
make this possible today, it is conceivable that XMLBeans will be an implementation
of a future JAX-B spec as both technologies may converge together.
Given the above statement, one may ask then why is that preserving full fidelity
of the original XML document may be important? Consider the following advantages:
(1) Sequencing and interleaving information is not lost in XMLBeans. There are
schemas where you care whether <input> comes before <output> or <buy> comes before
<sell> or the other way around. If you just give people a Java .getBuy() and
a .getSell(), they've lost the ability to tell which came first. In XMLBeans,
after the .get you always have the ability to grab an XML cursor on the <buy>
and another one on the <sell> and ask which one came first.
(2) Information that comes into wildcards are not lost in XMLBeans. Consider
the regularly used <xsd:any> and <xsd:anyAttribute> features of schema that allow
any data to appear in the document. With JAX-B, for example, the specification
does not specify how an implementation handle content that it does not know how
to map to a Java representation. But with XMLBeans, you can see where and how
your document has been extended at the wildcards, and change or manipulate the
wildcarded data. Furthermore, something cool is that if you have compiled schemas
for the wildcarded data you can even coerce the wildcards to strongly-typed XMLBeans
and keep on drilling in conveniently. A common use case for this is processing
WSDLs: the w3c schema for WSDL uses wildcards for nearly every interesting piece
of data in a WSDL.
(3) Loading, modifying, and saving an XML document using XMLBeans, you won't lose
all the "other stuff" that human beings don't want to lose on human-readable XML
files, namely comments and all that extra pretty white space between things.
(Unless you want to lose it; XMLBeans can be put in a mode where it is used to
strip extra white space too.)
(4) The architecture is set up so that 100% of schema types can correspond one-to-one
with a Java type. This is perhaps a subtle benefit, but it is powerful because
it means that there are "no regrets" and "no dead-ends" later. You never run
into a schema type that can't be subclassed because of Java problems, or some
extension that has some data that can't be accessed from Java.
I hope this helps shed some light on the complementary relationship between XMLBeans
and JAX-B.
Regards,
Samir
"Peter Meyer" <[email protected]> wrote:
>
Can someone from BEA explain the relationship and/or differences between
the proposed
Java standard API for XML binding, JAXB, and XMLBeans? Obviously XMLBeans
offers
additional APIs, such as cursors and XQuery support (which is neat),
but it seems
to be non-standard and BEA-specific.
In this context, are there any clear statements from BEA product marketing
how
the technology will be productized? Without that, it seems a bit dangerous
to
use...
Thanks,
PM

MyContentHandler and JAXB

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