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Java Source Code / Java Documentation » Content Management System » apache lenya 2.0 » org.apache.cocoon.components.validation 
Source Cross Reference  Class Diagram Java Document (Java Doc) 


org.apache.cocoon.components.validation.Validator

All known Subclasses:   org.apache.cocoon.components.validation.impl.AbstractValidator,
Validator
public interface Validator (Code)

The Validator interface provides the abstraction of a component able to validate XML documents using schemas defined in different languages.

This is basically the main entry point of the validation API, allowing users to transparently access validators (in the form of ValidationHandler s receiving SAX events for the documents to be validated), in different grammar languages, using different implementations.

As more than one SchemaParser might be able to parse and create Schema instances for a particular grammar language, this interface defines a unique lookup method to allow selection of a particular SchemaParser implementation.

Assuming that two different SchemaParser s called first and second are both able to understand the Validator.GRAMMAR_RELAX_NG RELAX NG grammar (identified by the http://relaxng.org/ns/structure/1.0 identifier) one could select between the two implementation using the following two strings:

  • first:http://relaxng.org/ns/structure/1.0
  • second:http://relaxng.org/ns/structure/1.0

As a rule (unless when this is impossible) the grammar identifier is equivalent to the namespace of the root element of a schema.



Field Summary
final public static  StringGRAMMAR_ISO_SCHEMATRON
    
final public static  StringGRAMMAR_RELAX_CORE
    
final public static  StringGRAMMAR_RELAX_NG
    
final public static  StringGRAMMAR_RELAX_NS
    
final public static  StringGRAMMAR_SCHEMATRON
    
final public static  StringGRAMMAR_TREX
    
final public static  StringGRAMMAR_XML_DTD
    
final public static  StringGRAMMAR_XML_SCHEMA
    
final public static  StringROLE
    


Method Summary
public  ValidationHandlergetValidationHandler(String uri)
    

Return a ValidationHandler validating an XML document according to the schema found at the specified location.

The Validator will attempt to automatically detect the grammar language of the specified schema, and each error or warning occurring while validating the document will trigger a SAXException to be thrown back to the caller.


Parameters:
  uri - the location of the schema to use to validate the document.
public  ValidationHandlergetValidationHandler(String uri, String grammar)
    

Return a ValidationHandler validating an XML document according to the schema found at the specified location.

Each error or warning occurring while validating the document will trigger a SAXException to be thrown back to the caller.


Parameters:
  uri - the location of the schema to use to validate the document.
Parameters:
  grammar - the grammar language of the schema to parse.
public  ValidationHandlergetValidationHandler(String uri, ErrorHandler errorHandler)
    

Return a ValidationHandler validating an XML document according to the schema found at the specified location.

The Validator will attempt to automatically detect the grammar language of the specified schema, while each validation error or warning will be passed to the specified ErrorHandler which will have the ability to generate and throw a SAXException back to the caller.


Parameters:
  uri - the location of the schema to use to validate the document.
Parameters:
  errorHandler - the ErrorHandler notified of validation problems.
public  ValidationHandlergetValidationHandler(String uri, String grammar, ErrorHandler errorHandler)
    

Return a ValidationHandler validating an XML document according to the schema found at the specified location.

Each validation error or warning will be passed to the specified ErrorHandler which will have the ability to generate and throw a SAXException back to the caller.


Parameters:
  uri - the location of the schema to use to validate the document.
Parameters:
  grammar - the grammar language of the schema to parse.
Parameters:
  errorHandler - the ErrorHandler notified of validation problems.
public  ValidationHandlergetValidationHandler(Source source)
    

Return a ValidationHandler validating an XML document according to the schema found at the specified location.

The Validator will attempt to automatically detect the grammar language of the specified schema, and each error or warning occurring while validating the document will trigger a SAXException to be thrown back to the caller.


Parameters:
  source - the Source identifying the schema to use for validation.
public  ValidationHandlergetValidationHandler(Source source, String grammar)
    

Return a ValidationHandler validating an XML document according to the schema found at the specified location.

Each error or warning occurring while validating the document will trigger a SAXException to be thrown back to the caller.


Parameters:
  source - the Source identifying the schema to use for validation.
Parameters:
  grammar - the grammar language of the schema to parse.
public  ValidationHandlergetValidationHandler(Source source, ErrorHandler errorHandler)
    

Return a ValidationHandler validating an XML document according to the schema found at the specified location.

The Validator will attempt to automatically detect the grammar language of the specified schema, while each validation error or warning will be passed to the specified ErrorHandler which will have the ability to generate and throw a SAXException back to the caller.


Parameters:
  source - the Source identifying the schema to use for validation.
Parameters:
  errorHandler - the ErrorHandler notified of validation problems.
public  ValidationHandlergetValidationHandler(Source source, String grammar, ErrorHandler errorHandler)
    

Return a ValidationHandler validating an XML document according to the schema found at the specified location.

Each validation error or warning will be passed to the specified ErrorHandler which will have the ability to generate and throw a SAXException back to the caller.


Parameters:
  source - the Source identifying the schema to use for validation.
Parameters:
  grammar - the grammar language of the schema to parse.
Parameters:
  errorHandler - the ErrorHandler notified of validation problems.

Field Detail
GRAMMAR_ISO_SCHEMATRON
final public static String GRAMMAR_ISO_SCHEMATRON(Code)

The ISO Schematron grammar identifer.




GRAMMAR_RELAX_CORE
final public static String GRAMMAR_RELAX_CORE(Code)

The RELAX Core grammar identifer.




GRAMMAR_RELAX_NG
final public static String GRAMMAR_RELAX_NG(Code)

The RELAX NG grammar identifer.




GRAMMAR_RELAX_NS
final public static String GRAMMAR_RELAX_NS(Code)

The RELAX Namespace grammar identifer.




GRAMMAR_SCHEMATRON
final public static String GRAMMAR_SCHEMATRON(Code)

The Schematron grammar identifer.




GRAMMAR_TREX
final public static String GRAMMAR_TREX(Code)

The Trex grammar identifer.




GRAMMAR_XML_DTD
final public static String GRAMMAR_XML_DTD(Code)

The XML DTD grammar identifer.




GRAMMAR_XML_SCHEMA
final public static String GRAMMAR_XML_SCHEMA(Code)

The XML Schema grammar identifer.




ROLE
final public static String ROLE(Code)

Avalon Role name of Validator components.






Method Detail
getValidationHandler
public ValidationHandler getValidationHandler(String uri) throws IOException, SAXException, ValidatorException(Code)

Return a ValidationHandler validating an XML document according to the schema found at the specified location.

The Validator will attempt to automatically detect the grammar language of the specified schema, and each error or warning occurring while validating the document will trigger a SAXException to be thrown back to the caller.


Parameters:
  uri - the location of the schema to use to validate the document. a non null ValidationHandler able to SAX events fromthe original XML document to validate.
throws:
  IOException - if an I/O error occurred parsing the schema.
throws:
  SAXException - if a grammar error occurred parsing the schema.
throws:
  ValidatorException - if the grammar language of the specified schemacould not be detected or was not supported.
See Also:   SchemaParser.parseSchema(SourceString)
See Also:   Schema.createValidator(ErrorHandler)



getValidationHandler
public ValidationHandler getValidationHandler(String uri, String grammar) throws IOException, SAXException, ValidatorException(Code)

Return a ValidationHandler validating an XML document according to the schema found at the specified location.

Each error or warning occurring while validating the document will trigger a SAXException to be thrown back to the caller.


Parameters:
  uri - the location of the schema to use to validate the document.
Parameters:
  grammar - the grammar language of the schema to parse. a non null ValidationHandler able to SAX events fromthe original XML document to validate.
throws:
  IOException - if an I/O error occurred parsing the schema.
throws:
  SAXException - if a grammar error occurred parsing the schema.
throws:
  ValidatorException - if the specified grammar language wasn't supported.
See Also:   SchemaParser.parseSchema(SourceString)
See Also:   Schema.createValidator(ErrorHandler)



getValidationHandler
public ValidationHandler getValidationHandler(String uri, ErrorHandler errorHandler) throws IOException, SAXException, ValidatorException(Code)

Return a ValidationHandler validating an XML document according to the schema found at the specified location.

The Validator will attempt to automatically detect the grammar language of the specified schema, while each validation error or warning will be passed to the specified ErrorHandler which will have the ability to generate and throw a SAXException back to the caller.


Parameters:
  uri - the location of the schema to use to validate the document.
Parameters:
  errorHandler - the ErrorHandler notified of validation problems. a non null ValidationHandler able to SAX events fromthe original XML document to validate.
throws:
  IOException - if an I/O error occurred parsing the schema.
throws:
  SAXException - if a grammar error occurred parsing the schema.
throws:
  ValidatorException - if the grammar language of the specified schemacould not be detected or was not supported.
See Also:   SchemaParser.parseSchema(SourceString)
See Also:   Schema.createValidator(ErrorHandler)



getValidationHandler
public ValidationHandler getValidationHandler(String uri, String grammar, ErrorHandler errorHandler) throws IOException, SAXException, ValidatorException(Code)

Return a ValidationHandler validating an XML document according to the schema found at the specified location.

Each validation error or warning will be passed to the specified ErrorHandler which will have the ability to generate and throw a SAXException back to the caller.


Parameters:
  uri - the location of the schema to use to validate the document.
Parameters:
  grammar - the grammar language of the schema to parse.
Parameters:
  errorHandler - the ErrorHandler notified of validation problems. a non null ValidationHandler able to SAX events fromthe original XML document to validate.
throws:
  IOException - if an I/O error occurred parsing the schema.
throws:
  SAXException - if a grammar error occurred parsing the schema.
throws:
  ValidatorException - if the specified grammar language wasn't supported.
See Also:   SchemaParser.parseSchema(SourceString)
See Also:   Schema.createValidator(ErrorHandler)



getValidationHandler
public ValidationHandler getValidationHandler(Source source) throws IOException, SAXException, ValidatorException(Code)

Return a ValidationHandler validating an XML document according to the schema found at the specified location.

The Validator will attempt to automatically detect the grammar language of the specified schema, and each error or warning occurring while validating the document will trigger a SAXException to be thrown back to the caller.


Parameters:
  source - the Source identifying the schema to use for validation. a non null ValidationHandler able to SAX events fromthe original XML document to validate.
throws:
  IOException - if an I/O error occurred parsing the schema.
throws:
  SAXException - if a grammar error occurred parsing the schema.
throws:
  ValidatorException - if the grammar language of the specified schemacould not be detected or was not supported.
See Also:   SchemaParser.parseSchema(SourceString)
See Also:   Schema.createValidator(ErrorHandler)



getValidationHandler
public ValidationHandler getValidationHandler(Source source, String grammar) throws IOException, SAXException, ValidatorException(Code)

Return a ValidationHandler validating an XML document according to the schema found at the specified location.

Each error or warning occurring while validating the document will trigger a SAXException to be thrown back to the caller.


Parameters:
  source - the Source identifying the schema to use for validation.
Parameters:
  grammar - the grammar language of the schema to parse. a non null ValidationHandler able to SAX events fromthe original XML document to validate.
throws:
  IOException - if an I/O error occurred parsing the schema.
throws:
  SAXException - if a grammar error occurred parsing the schema.
throws:
  ValidatorException - if the specified grammar language wasn't supported.
See Also:   SchemaParser.parseSchema(SourceString)
See Also:   Schema.createValidator(ErrorHandler)



getValidationHandler
public ValidationHandler getValidationHandler(Source source, ErrorHandler errorHandler) throws IOException, SAXException, ValidatorException(Code)

Return a ValidationHandler validating an XML document according to the schema found at the specified location.

The Validator will attempt to automatically detect the grammar language of the specified schema, while each validation error or warning will be passed to the specified ErrorHandler which will have the ability to generate and throw a SAXException back to the caller.


Parameters:
  source - the Source identifying the schema to use for validation.
Parameters:
  errorHandler - the ErrorHandler notified of validation problems. a non null ValidationHandler able to SAX events fromthe original XML document to validate.
throws:
  IOException - if an I/O error occurred parsing the schema.
throws:
  SAXException - if a grammar error occurred parsing the schema.
throws:
  ValidatorException - if the grammar language of the specified schemacould not be detected or was not supported.
See Also:   SchemaParser.parseSchema(SourceString)
See Also:   Schema.createValidator(ErrorHandler)



getValidationHandler
public ValidationHandler getValidationHandler(Source source, String grammar, ErrorHandler errorHandler) throws IOException, SAXException, ValidatorException(Code)

Return a ValidationHandler validating an XML document according to the schema found at the specified location.

Each validation error or warning will be passed to the specified ErrorHandler which will have the ability to generate and throw a SAXException back to the caller.


Parameters:
  source - the Source identifying the schema to use for validation.
Parameters:
  grammar - the grammar language of the schema to parse.
Parameters:
  errorHandler - the ErrorHandler notified of validation problems. a non null ValidationHandler able to SAX events fromthe original XML document to validate.
throws:
  IOException - if an I/O error occurred parsing the schema.
throws:
  SAXException - if a grammar error occurred parsing the schema.
throws:
  ValidatorException - if the specified grammar language wasn't supported.
See Also:   SchemaParser.parseSchema(SourceString)
See Also:   Schema.createValidator(ErrorHandler)



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