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Submit Next Question. XML boolean. Home » Software Development » Software Development Tutorials » XML Tutorial » XML boolean. Price View Courses. Login details for this Free course will be emailed to you. Free Software Development Course. EDUCBA Login. A BinXMLStream class represents the binary XML stream.

The different storage locations defined for the binary XML Stream are:. A BinXMLStream object can be created from a BinXMLProcessor factory. This factory can be initialized with a JDBC connection for remote metadata access , connection pool, URL or a PageManagerPool for lazy in-memory storage.

BinXMLEncoder and BinXMLDecoder can be created from the BinXMLStream for encoding or decoding. Here is an example of creating a processor without a repository, registering a schema, encoding XML SAX events into schema-aware binary format, and storing in a file:. In addition to getting the ContentHandler , you can also get the other handlers, such as:.

Here is an example of creating a processor with a database repository, decoding a schema-aware binary stream and reading the decoded XML using pull API. The schema is fetched from the database repository for decoding.

You can specify the schema-aware or the schema-less option before encoding. The default is schema-less encoding. If the schema-aware option is set, then the encoding is done based on schema s specified in the instance document. The annotated schema s used for encoding is also required at the time of decoding. If the schema-less option is specified, then the encoding is independent of schema s , but the tokens are inline by default. You can set an option to create a binary XML Stream with inline token definitions before encoding.

If "inlining" is turned off, than you must ensure that the processors for the encoder or decoder are using the same metadata repository. The flag Inline-token is ignored if the schema-aware option is true. By default, the token definitions is inline. The binary XML decoder takes binary XML stream as input and generates SAX Events as output, or provides a pull interface to read the decoded XML.

In the case of schema-aware binary XML stream, the binary XML decoder interacts with the vocabulary manager to extract the schema information. If the vocabulary manager does not contain the required schema, and the processor is of type binary XML DB with a valid JDBC connection, then the remote schema is fetched from the database or the metadata repository based on the vocabulary id in the binary XML stream to be decoded.

Similarly, the set of token definitions can be fetched from the database or the metadata repository. Here is the flow of this process: If the vocabulary is an XML schema; it takes the XML schema text as input. The schema annotator annotates the schema text with system level annotations. The schema might already have some user level annotations. The resulting annotated schema is processed by the Schema Builder to build an XML schema object. This XML schema object is stored in the vocabulary cache.

The vocabulary cache assigns a unique vocabulary id for each XML schema object, which is returned as output. The annotated DOM representation of the schema is sent to the binary XML encoder.

During encoding, if schemaAware is true and the property ImplcitSchemaRegistration is true , then the first xsi:schemaLocation tag present in the root element of an XML instance document automatically registers that schema in the local vocabulary manager.

All other schemaLocation tags are not explicitly registered. If the processor is database-oriented, then the schema is also registered in the database; similarly for any metadata repository based processor. If the encoding is set to schemaAware is false or ImplcitSchemaRegistration is false , then all xsi:schemaLocation tags are ignored by the encoder.

A DBBinXMLMetadataProvider object is either instantiated with a dedicated JDBC connection or a connection pool to access vocabulary information such as schema and token set. The processor is also associated with one or more data connections to access XML data. A binary XML Processor can communicate with the database for various types of binary XML operations involving storage and retrieval of binary XML schemas, token sets, and binary XML streams.

Database communication is involved in the following ways:. To retrieve a compiled binary XML schema for encoding, the database is queried based on the schema URL. For decoding the binary XML schema, fetch it from the database based on the vocabulary id.

When the xsi:schemaLocation tag is encountered during encoding, the schema is registered in the database for persistent storage in the database. The vocabulary id associated with the schema, as well as the binary version of the compiled schema is retrieved back from the database; the compiled schema object is built and stored in the local cache using the vocabulary id returned from the database. If a binary stream to be decoded is associated with token tables for decoding, these are fetched from the database using the metadata connection.

If the XML text has been encoded without a schema, then it results in a token set of token definitions. These token tables can be stored persistently in the database. The metadata connection is used for transferring the token set to the database. It is your responsibility to create a table containing an XMLType column with binary XML for storing the result of encoding and retrieving the binary XML for decoding. Fetch the XMLType object from the output result set of the JDBC query.

The BinXMLStream for reading the binary data or for writing out binary data can be created from the XMLType object. The XMLType class needs to be extended to support reading and writing of binary XML data. A local vocabulary manager and cache stores metadata information in the memory for the life of the BinXMLProcessor. Plug in your own back-end storage for metadata by implementing the BinXMLMetadataProvider interface and plugging it into the BinXMLProcessor.

Currently only one metadata provider for each processor is supported. You must code a FileBinXMLMetadataProvider that implements the BinXMLMetadataProvider interface. The encoder and decoder uses these APIs to access metadata from the persisted back-end storage. Set up the configuration information for the persistent storage: for example, root directory in the case of a file system in FileBinXMLMetadataProvider class. Instantiate FileBinXMLMetadataProvider and plug it into the BinXMLProcessor.

This chapter assumes that you are familiar with the XML Parser for Java. See Also: Chapter 4, "XML Parsing for Java". Binary XML Storage Format An XMLType storage option is provided to enable storing XML documents in the new binary format.

Binary XML Processors A binary XML processor is an abstract term for describing a component that processes and transforms binary XML format into text and XML text into binary XML format.

Models for Using Binary XML There are several models for using binary XML in applications. First, here is a glossary of terms: Glossary for Binary XML Here is a glossary of terms for binary XML usage: doc-id : Each encoded XML document is identified by a unique doc-id.

Standalone Model This is the simplest usage scenario for binary XML. Client-Server Model In this scenario, the binary XML processor is connected to a database using JDBC. Web Services Model with Repository In this scenario there are multiple clients, each running a binary XML processor. Web Services Model Without Repository In this scenario, there are multiple clients, each running a binary XML processor.

The Parts of Binary XML for Java The Java XML binary functionality has three parts: Binary XML encoding - The binary XML encoder converts XML 1. Binary XML decoding - The binary XML decoder converts binary XML to XML infoset. Binary XML vocabulary management, which includes schema management and token management. Binary XML Encoding The encoder is created from the BinXMLStream. See Also: Oracle XML DB Developer's Guide for tables of the binary encoding datatypes and their mappings from XML schema datatypes.

See Also: "Token Management". com , and they will no longer appear in the left sidebar on stackoverflow. Find centralized, trusted content and collaborate around the technologies you use most. Connect and share knowledge within a single location that is structured and easy to search.

A legacy XML feed we want to consume it's coupled to a specific database and has no XSD emits "Y" or "N" as truth values. We are creating an XSD and auto-generating C classes from this, with some transforms to make things neater. Interesting little problem. Here's one possible solution for XSLT 2 XSLT 1 solution down below.

This is an identity transform plus a template matching the text of any element whose name starts with Is and whose value is Y or N , which it replaces with true or false. It does not affect an element whose name starts with Is whose value is not Y or N. Stack Overflow for Teams — Start collaborating and sharing organizational knowledge. Create a free Team Why Teams? Learn more about Collectives.

Learn more about Teams. Asked 6 years, 4 months ago. Modified 6 years, 4 months ago. Viewed 2k times. xml xslt xslt Improve this question.

Stack Overflow for Teams is moving to its own domain! When the migration is complete, you will access your Teams at stackoverflowteams. com , and they will no longer appear in the left sidebar on stackoverflow. Find centralized, trusted content and collaborate around the technologies you use most. Connect and share knowledge within a single location that is structured and easy to search. A legacy XML feed we want to consume it's coupled to a specific database and has no XSD emits "Y" or "N" as truth values.

We are creating an XSD and auto-generating C classes from this, with some transforms to make things neater. Interesting little problem. Here's one possible solution for XSLT 2 XSLT 1 solution down below.

This is an identity transform plus a template matching the text of any element whose name starts with Is and whose value is Y or N , which it replaces with true or false. It does not affect an element whose name starts with Is whose value is not Y or N.

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Asked 6 years, 4 months ago. Modified 6 years, 4 months ago. Viewed 2k times. xml xslt xslt Improve this question. asked Jul 12, at Boy Mr. Boy Seems like a trivial XSL transform since you say you're already doing a transformation. What is the question? JimGarrison I'm asking how to do the transform since I've never used XLST before. I ask both ways to try and learn a bit more about XSLT. Add a comment. Sorted by: Reset to default.

Highest score default Trending recent votes count more Date modified newest first Date created oldest first. Explicitly listing each field to be transformed XSLT 1. Improve this answer. edited Jul 12, at answered Jul 12, at hork michael. hork k 6 6 gold badges 32 32 silver badges 50 50 bronze badges. Here's the same thing for XSLT 1. Jim Garrison Jim Garrison Sign up or log in Sign up using Google.

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Currently only one metadata provider for each processor is supported. The schema-id remains constant even when the schema is evolved. Binary XML Processors A binary XML processor is an abstract term for describing a component that processes and transforms binary XML format into text and XML text into binary XML format. Schema Registration Here is the flow of this process: If the vocabulary is an XML schema; it takes the XML schema text as input. A binary XML processor can originate or receive network protocol requests. All other types of annotations for example, database related annotations, is ignored. The BinXMLProcessor is not thread-safe, so multiple threads or clients accessing the repository need to implement their own thread safety scheme.

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