XML

The body contains the main transaction, which can be an RPC call or any other XML document.

The problem with XML in browser-based application development is the lack of a native, easy-to-use JavaScript parser.

Right off the bat, JAXB isn't going to be an option for you, as JAXB only accepts XML Schema as a constraint model for class generation.

Among the main focuses, user-interface work emerged as a primary use-case for the usage of custom XML markup inline in an SVG document.

The standardized nature of XML has given rise to a number of derivative cross-platform, cross-language parsers and derivative technologies.

HaXml brings with it a set of powerful higher order functions for operating on these "datafied" XML documents.

MSBuild introduces a new XML-based project file format that is simple to understand, easy to extend, and fully supported by Microsoft.

This lets you halt the reading of the XML document early, as you know that the code will not care about the rest of the document.

The last example left a lot of blank spaces for clarity, so it's easy to line up the XML tags.

Finally, just call the appropriate method to walk through the XML document and pick up parts of it for display, as shown in Listing 7.

This error can occur when you are trying to step into a web service (see Stepping Into an XML Web Service).

MathML was one of the first XML applications, but sadly it has seen limited practical uptake.

As the protocol used to call WS-Coordination operations is SOAP, the message content is plain text in an XML format.

At least one of the XML document properties must be set or no XML document is displayed.

When a style sheet is applied to an XML document, it is often helpful to include the creation date of the transformed result in the output.

XML data is often used for interapplication data exchange and document management purposes.

Parsing this syntax is equally ambiguous, and you must know the layout of an XML response ahead of time to be able to make sense of it.

eXist isn't ready to replace expensive, big-iron XML databases like Mark Logic or DB 2 9; but for small jobs, it might be adequate.

With the BLOB method, the XML cannot be queried, nor can just a portion be returned to an application.

It is often used outside of any relational databases to query XML data, which may be stored in text files.

While JAXB is only focused on a Java-to-XML binding, XML isn't the only kind of data being bound to SDO.

However, some data types defined in the XML Schema Datatypes specification do not map one-to-one to any existing Java classes.

One piece of that debate is now over, though: Both sides have agreed that the preferred file format will be zipped XML.

For example, reflection is often used in frameworks that persist objects to databases, XML, or other external formats.

The view shown in Figure 2 is just a visual representation of the XML Schema that defines the strongly typed DataSet.

This flexibility gives you many choices when trying to solve scalability or performance problems in a particular XML parser.

And on top of all that, you can treat XML as plain text, and get values out of it that way.

In contrast to the clumsiness of many XML toolkits I encounter, ElementTree should take you just a few minutes to install and begin to use.

In previous Java EE platforms, such a descriptor would have been a part of an XML file that conforms to the EJB 2. 1 schema.

You can see that this process closely resembles the XML representation of a Solr document.

However, it tends to be a heavyweight API, with many instances of many different classes often needed to represent an XML document.

If only a small portion of a large XML document needs to be changed, the performance penalty with such an approach can be considerable.

A user interface that consistently uses Word objects to capture test data in a way that's easy to serialize to XML.

On the other side of the JSON controller, the application can be hooked up to MySQL, PostgreSQL, an XML file repository, or nothing at all.

The final bit of XML configuration is the service-activator element, which takes what's given to it and does work with it.

XQuery uses a concise set of commands to make it easy to work with XML data.

Compare this code with the XML above, and you should be able to get a good sense of how the API operates.

Imagine if you could glance at a namespace-riddled XML document and easily comprehend it; imagine if it really was human readable.

It acts upon the start and end of XML elements and compares the name of the respective elements with a path segment.

A Lotus form is an XML-based electronic form where the business client users can enter or view data as if they are working on a paper form.

This article would not be complete if it failed to mention an alternative to parsing in the form of XML marshaling libraries such as Castor.

Flexibility in usage, mentioned above, might seem to be the same as flexibility in working with the XML document.

The code page information can be converted into XML format documents, easy to operate.

The E4X syntax makes dealing with XML so easy to do that you'll never want to deal with XML any other way.

Look at the general form of the XML for a start session request (see highlighted sections) shown in listing 4.

In practice, this is often implemented using an XML schema combining service identification, addressing, and business data.

The top two form elements are a text area for entering XSLT and a text entry field for the URL that points to the XML to be transformed.

It allows you to convert XML data directly into a tree of Java content objects, as shown in Figure 13.

It's easy to overlook the fact that XML stored in files amounts to a file format.

It would be nice to be able to parse the XML efficiently, but with a more intuitive programming model.

Test of the XML document shows that this case provides a practical method for the security and compatibility of the system.

It is often useful to examine the schema of the XML stream that is generated when instances of a class (or classes) are serialized.

You can apply many of the scripting techniques you might have learned as Dynamic HTML (DHTML) to XML processing as well.

Note: The line breaks make it easier for you to read your code and do not affect the XML.

First, if you've read this series faithfully, you know how to use the DOM, a JavaScript-friendly API with which you can manipulate XML.

You can create XML View of your existing relational data and work with it as if it was an XML file .

Because SOAP uses XML to encode messages, it's very easy to process messages at every step of the invocation process.

That's the whole point of a document model, after all -- to faithfully represent XML without any assumptions about the form of that XML.

With a basic class-to-element mapping, you're ready to start mapping fields of the book class to specific elements within the XML document.

Although they are a bit long, I would like to present the entire XML source of the word processor documents created.

XML is often referred to as semi-structured.

Jelliffe's talk was actually about his experiences trying to come up with metrics of XML schema complexity.

XML was the first major standard to endorse UTF-8 wholeheartedly, but that was just the beginning of a trend.

So far, all the techniques I've covered produce a server response in the form of an XML document.

That data might be previously cached content, or locally stored data in the form of XML or other file formats.

People are supposed to be able to read it, but it's hard to imagine a human trying to read an XML file with 7 million nodes.

Also, you will not be able to insert or modify XML values in an XML column on which an XML index has been created.

The easiest way is to put tags in the XML file that will cause only the critical GUI controls and values to be considered.

As readers already familiar with XML will have pieced together, XML is something of a hybrid.

VoiceXML is the name given to the standard for voice-based XML output, although the file format itself is called VXML.

XML is all about standards, but it's not always easy to get everyone to play ball according to the rules.

Even more popular than a database is using an API like this to work with XML, and pull data out of an XML document.

This enables you to pass or return XML even if its structure changes from call to call, or if you do not know all the types being passed.

In the XML world, that means taking data that might be erroneous and trying to work with it anyway.

The composite file is often described as an XML file that contains the various SCA pieces and the connections between them.

If the core of your application is processing an XML document, the XML Code framework constructed by JBind may make it very easy to use.

They probably do not know or care about WSDL and XML, and all the quirks that they bring to the table.

When designing XML formats, the complexity of addresses introduces a bit of a paradox.

2007 is shaping up to be the most exciting year since the community drove off the XML highway into the Web services swamp half a decade ago.

If the annotated XML schema is deemed valid, mapping information is extracted and stored in catalog tables in a ready-to-use binary format.

Since the blog is cumulative and we want to read in a blog like the one above, add an item, and write it out, we use the SDO XML DAS.

It lets you create, manipulate, and use XML directly from JavaScript without requiring the use of any other XML library or API.

In many senses, you can pick an API based on how you want to use the data in your XML document, and how much XML you really know.

All the XML code points to this vendor's servers to provide information, sort of like a non-public PKI infrastructure.

However, you'll start to run into a snag when trying to model this information in XML.

XML is often used because it is usually easy to find utilities in the modern programming languages that read and write from XML.

Let me assume that an XML schema bound to an urn: org: bank: accounts namespace describes the XML documents used in this example.

To work locally, download and save the WSDL file with the name MyWebservice. xml to your working directory as shown in the first command.

After completing these four administrative steps, you are ready to go on and full-text search your XML data.

Parsing of XML data is often done with a SAX-style parser.

All the XML code points to this vendor's servers to provide information, sort of like a non-public PKI infrastructure.

However, you'll start to run into a snag when trying to model this information in XML.

XML is often used because it is usually easy to find utilities in the modern programming languages that read and write from XML.

Let me assume that an XML schema bound to an urn: org: bank: accounts namespace describes the XML documents used in this example.

To work locally, download and save the WSDL file with the name MyWebservice. xml to your working directory as shown in the first command.

After completing these four administrative steps, you are ready to go on and full-text search your XML data.

Parsing of XML data is often done with a SAX-style parser.

That's fine if you know, for sure, that the only processes that will ever write or read the XML are the same language.

Is all you need, but you ll soon learn about dealing with XML through Ajax applications as well.

It would be just as easy to create custom XML for a Product Search view, which included the full description and stock level for each item.

It would be just as easy to create custom XML for a Product Search view, which included the full description and stock level for each item.

As an alternative to an XML file as the source of data, it is possible to provide advertisement information through a callback event.

In this case, the file is just in a simple XML format that has an tag with a set of tags in it that hold the URL for each image.

With the creation of these two XML files, we're now ready to package up the complete JAR.

This article compares its performance with that of character large object (CLOB) and shredded XML storage.

The company running the FlightNmo application submits flight price event data to the application by dropping XML data into a watched folder.

This does not mean that the message must be in one of the XML domains, but the bitstream must contain well-formed XML.

However, there's a price to pay for so faithfully representing an XML document: DOM parsing tends to be memory intensive.

An XML dialect is just a particular set of XML tags along with some rules for how the tags fit together.

I devoted the previous two columns in the Working XML series to an old friend: XM, my easy-to-use document-publishing solution.

I devoted the previous two columns in the Working XML series to an old friend: XM, my easy-to-use document-publishing solution.

The result of the query is an XML document that contains the execution history and the results of each run for the requested rule.

XML data is often heavily nested and can be rather large.

I believe the SimpleXML API, with its support for querying XML documents using XPath, is one of the easiest XML-parsing APIs to use.

An ability to view XML as columns and rows is often important for data-oriented XML.

Data export, as the name implies, allows you to export the raw analysis results to a file, typically an XML file format.

This can be useful when debugging, if you want to pack away parts of the XML file that do not interest you at the moment.

Note that the form itself is nothing but an XML-based document and can be manipulated with the standard Java-based XML parsers.

I can't emphasize enough how much this XML revolution has changed all the software that we do and I think the entire industry has worked on.

XML is often referred to as self-describing data because it is designed so the schema repeats for each record in the document.

XML is often referred to as self-describing data because it is designed so the schema repeats for each record in the document.

The result of Query 24 is usually easier to consume by an application, i. e. one XML value at a time.

Suffice it to say that XML is a standard for data exchange (not just a file format).

With XML, information can be analyzed and displayed selectively, making it a more powerful alternative to HTML.

If you are creating a non- XML format file for a delimited text file , you can specify 0 for the host file data length of every data field .

The form manipulates such an instance document and provides for the submission of that XML to a back-end system.

If you think of Listing 1 as an XML-based rendering of a given data set, you can render it in other ways.

The OSGI-INF directory (along with XML files) needs to be included in the bundle, as otherwise DS won't be able to see it.

At the beginning of this article I promised you that BEEP made use of XML, and by this point you'd be forgiven for wondering where.

All that's left now is to save the file as randomnumber. xml to the Web server of your choice and add it to a wave.

XML is often used for this integration technique because XML is a platform-independent approach for sharing data.

As you will see, authoring XML using PYX does not appear to be very practical.

XML presents information in a hierarchical structure with elements and attributes usually written in easy-to-read language.

Since performance is often a key concern, appropriate DB2 facilities have also been extended to accommodate XML data.

As of a few years ago, it is possible to use Excel spreadsheets that are generated in a Microsoft-specific XML format.

You also need to understand XML at least to the extent of being able to manually read and write XML files.

After you get the XML configuration examples working, you're ready to see one of the key new features in iBATIS 3: Java annotation support.

Attributes can be used to control the XML serialization of an object or to create an alternate XML stream from the same set of classes.

The next stop on this Groovy roadshow is to plug it into a build process, specifically my maven. xml file.

XML data is often used for inter-application data exchange and document management purposes.

When parsing XML, UAs do not always read the DTD, and thus may not know what the ID of an element is.

XML is often less brittle because, again, you can ignore data you don't know about.

And yet if I had to vote for the best application of XML, I might vote for podcasting.

The interface is elegant, and the XML data is so easy to create that it's a snap to add dynamic graphing to your page.

The activity associated with XML has been tremendous, and I hope some of it has been apparent in the range of topics covered in this column.

All of these dos and don'ts come down to keeping your XML clean, simple, and easy to understand.

This walkthrough shows you how to work with XML data as if it were in a tabular database table.

However, if such a shield label can be defined explicitly, it can be just a line of text element in the XML template of a service request.

This is just a simple XML document, but Abdera enables you to represent it as an object (see Listing 2).

Any organization that wants to be able to manipulate this data needs to have the staff on hand to read, transform, and validate XML.

Combined with the rest of the XML languages in the XML ecosystem, XForms can transform the way you think about solving computing challenges.

Sometimes the XML that needs to be compared or signed is actually just a portion of a bigger document.

That's because an XML parser has no idea whether that textual data -- that annoying whitespace -- is meant to be important.

You can also export the diagrams to a Microsoft Office Word 2003 outline for a more linear view, or to an XML file to reuse elsewhere.

I create a separate foreign_key_* column for every element that might be a parent of the XML element to which a table corresponds.

It has no support for XML namespaces and is not recommended for developing new message flows.

This also means that XML-based IoC allows you to implement and test the business logic of each of the tasks of your workflow independently.

As mentioned, one goal of SDO is that it is possible to represent the sort of structured data usually stored as XML.

Now that you know how to insert XML data into DB2 using a Java program, you're ready to query XML data.

In a nutshell, the XML definition of a gadget specifies two mains aspects: the markup of the gadget (HTML code) and a set of preferences.

Using a simple and intuitive graphical interface, it allows you to map relationships between an XML schema and a relational schema.

Similarly, when the arbitrary chunk of XML is received it is wrapped up in a Message for propagation up the channel stack.

The only specified reporting requirement was that the reports should be presented as XML, or possibly HTML.

Well, yeah. Just gotta get all that together edit a few hundred lines of XML configuration and compile it all, then I will be ready to go.

This XML model is to be used for Security purposes like signing XML objects with a digital signature.

One of the earliest activities of the Query working group was to draw up a formal statement of requirements for an XML query language.

When you end up on a RSS page with XML tags all over the place, copy the URL at the top of your screen and paste it into your feed reader.

Issue: All of the XML commands are dimmed, and I cannot map XML elements to any cells.

At this point, I'm ready to deploy my dwr. xml to my Web application's WEB-INF directory, where the DWR servlet will pick it up.

As an added bonus, XML is generally pretty easy to understand.

Modify lures. xml to make it a more complex instance of that schema.

The fact that you're reading this column tells me that you're at least mildly interested in XML data binding.

The starting point for any of these frameworks is an XML schema that describes the data types of your documents.

This checks not only that the XML is well-formed, but that it's at least close to what you expect.

Now that you know about the existence, structure, and interrelationships of these XML files, the question is, what do you do with them?

Recognizing and rejecting unexpected formats you aren't prepared to handle is typically the province of a validating XML parser.

Be aware that this lookup mechanism is only supported through the use of the persistence. xml file.

Perhaps you re wondering if you might be able to avoid supplying the full XML document by updating through a view.

WS-Policy defines a simple XML structure consisting of four different elements and a pair of attributes.

XML's status in databases has changed in the last couple of years from a temporary worker to that of a first class citizen.

Using the techniques shown above, XML data can also be transformed to any other well-formed markup language to support multiple devices.

The XML- RPC implementation library you choose will do all that work for you , if you provide valid inputs .

The XML Query Working Group did not draw up a formal list of the principles that guided the design of XQuery.

The syntax of the XML document is designed to be relatively easy to read and modify with a simple text editor.

Save the CSS shown in Listing 8 into a file named style. css in the lib directory of your DocBook XML project.

Auto-detected components are registered with the Spring container just as if they had been defined in XML.

For advanced XML users, XQuery can be very helpful in querying and extracting content out of large XML documents.

As it stands, XML is the almost universally accepted means of information interchange within the software development community.

For the reduced set of contents, the manifest. xml file is just a few lines long, as shown in Listing 6.

With Hibernate, you can define an HQL query in a Hibernate mapping file (hbm. xml) and give it a name.

Experiment with using SQL and XML data binding in the same application to understand how the same sort of mapping paradigm is used for both.

For this reason, some of the benefits of XML are lost, or at least hidden within the back-end application.

This streamlined flow is often referred to as end-to-end XML processing(illustrated in Figure 1).

You can easily detect if SAAJ is to be used for a Web service through any occurrence of the javax. xml. soap. SOAPElement in the SEI.

The syntax of XML makes it easy to programmatically manipulate textual data while still allowing it to be easily understood by humans.

This simple test page allows you to insert, update, delete, and query XML data of your own database through the Universal Services.

The toughest part of working with XML is often just knowing which tool is best for a specific application.

As join operation to relational database, structural join order selection is at the heart of query optimization in an XML database.

This would allow you to easily swap out your simplistic XML-file based implementation for a more standard database-driven implementation.

However, it certainly is robust in its initial release and promises to be a much more efficient means of XML validation.

So far XML is still in its infancy, though it's doubtful that such a flexible language will go unsupported for long.

Cayenne DI container is small (about 35K in size), XML-free, easy to use and has no external dependencies (not even on Cayenne).

During the late '90s, XML had become the new silver bullet of the computing industry: Almost by definition, if it was XML, it was good.

Data is often made available to Web applications in XML format.

Therefore, all XML parsing, serialization, query execution, and comparisons must take place in a Unicode code page.

Designed to be interoperable, they use XML as the transfer language, and (generally, but not always) HTTP as the transport protocol.

Unlike binary formats, it is not out of the question to open an XML document in a text editor or text viewer.

When these characters are encountered by the converter, the error, "There was an error generating the XML document, " is raised.

When developers do manage their own namespace declarations, the result is often messy because of the complexities of XML namespaces.

They also make it easy to find corrupted data because XML stops when it encounters a problem .

This chain of dependencies can quickly run into a large number of plugin. xml files to be parsed starting from the user-selected plug-in.

To the experienced XML developer, this structure should be fairly easy to interpret.

As I have stated already, I believe the XML schema is just a specific rendering of a very detailed model.

Because SKOS is defined using the RDF model, it's easy to read and create data in an XML format.

However, it is possible to have special classes on hand that will determine the behaviors of "objectified" XML nodes.

Altavista supports search by file type; it does not list XML in the advanced form, and does not seem to support a filetype: xml clause.

As for the return type, for some services this might be a simple string -- for others it might be an XML document.

Readers of this column might be too advanced for this page, but it's a great place to get your colleagues started.

In this scenario, the Bank Actions PHP module makes a SOAP XML Web service call to a remote real-life Web service running on the Internet.

The purpose of XForms model is similar to that of XML data model: to separate the data layer from the presentation layer.

A DOM parser turns an XML document into an easy-to-use object representing all the data from the XML document.

The XML response cannot be sent directly to the user; it needs to be parsed in a way that the user can read.

You will need to do that by adding the message to the XML instance to be returned; a regular text error message won't show up in the form.

Sure, you could use the XML parser in a Web client to read the data, but two problems arise with that approach.

The implementation of my filter is provided in the next section as part of a general system for setting up jQuery to process XML.

As shown in Listing 4, long XML descriptions are generated for a simple array of a self-defined complex type.

If your document is large, but you only need part of the document, then the XML pull parser might be a more efficient way to go.

XML is the leading technology behind these efforts and a great deal of thought and work has gone into XML formats for patent filing.

Developers often overlook the fact that encodings do not limit the set of characters that XML supports.

A proxy class generated by the Wsdl. Exe tool associates the name attribute with a class, if the match XML element has child match elements.

Within the JSON serialization, the language context can be captured by converting the xml: lang attribute into a field.

Moreover, my specific XML representation did not include any namespaces in the tags, which would have increased the size further.

With your XML files and delimited ASCII files available, you're now ready to use DB2 IMPORT.

The only reason to export code coverage data as an XML file is to save the results of merging multiple code- coverage results .

If you want to try all this out, the bundled files provide a simple XML file, XSL stylesheet, and source code (see Download).

I've already mentioned that XML is by no means the fastest data format in terms of transfer, but there's a lot more to think about.

Really Simple Syndication (RSS) is an XML-based solution for publishing information that is often used with blogs and other sites.

There is no standard way to represent such a relationship in XML; you can only resort to a custom mechanism.

JAXP initially had the goal to remove some of the vendor-specific details, related to which XML parser was used, from SAX and DOM code.

The XML document is structured just like the request except that the Body contains the encoded method result.

In code listing 11, the WHEN clause checks to determine whether or not the XML document INFO is not validated against the EMPLOYEE schema.

That makes it a great lightweight data-binding option in your XML programming.

This means that you still need to use XML structural constructs like Element or Text, and you still need to do a decent bit of tree walking.

This data model represents a common scenario in which portions of XML data are often "shredded" into a relational structure.

So the model has to be created in such a way that the generated XML Schema can be tuned to create exactly what the designer had in mind.

Rather, they are stored in tree-like structures, optimized to contain tree-like documents, the basic nature of a typical XML document.

That's really all there is to it -- XML requests with just a few changes of code.

It's an interesting serialization format, sort of like a compressed XML.

A solution is to call a user-defined function that uses XML methods inside of it.

As you see, neither the instance of the Web page file nor the XML template definition file refers the JSP template file.