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## org.apache.xerces.impl
Class XMLVersionDetector

    java.lang.Object
      org.apache.xerces.impl.XMLVersionDetector

    public class XMLVersionDetector

extends java.lang.Object

This class scans the version of the document to determine which scanner to use: XML 1.1 or XML 1.0. The version is scanned using XML 1.1. scanner.

Version:
  $Id: XMLVersionDetector.java 446761 2006-09-15 21:59:29Z mrglavas $
Author:
  Neil Graham, IBM, Elena Litani, IBM

# INTERNAL:

  Usage of this class is not supported. It may be altered or removed at any time.

Field Summary
`protected static java.lang.String` | `ENTITY_MANAGER` Property identifier: entity manager.
`protected static java.lang.String` | `ERROR_REPORTER` Property identifier: error reporter.
`protected java.lang.String` | `fEncoding`
`protected XMLEntityManager` | `fEntityManager` Entity manager.
`protected XMLErrorReporter` | `fErrorReporter` Error reporter.
`protected SymbolTable` | `fSymbolTable` Symbol table.
`protected static java.lang.String` | `fVersionSymbol` Symbol: "version".
`protected static java.lang.String` | `fXMLSymbol`
`protected static java.lang.String` | `SYMBOL_TABLE` Property identifier: symbol table.

Constructor Summary
`XMLVersionDetector()`

Method Summary
`short` | `determineDocVersion(org.apache.xerces.xni.parser.XMLInputSource inputSource)` This methods scans the XML declaration to find out the version (and provisional encoding) of the document.
`void` | `reset(org.apache.xerces.xni.parser.XMLComponentManager componentManager)`
`void` | `startDocumentParsing(XMLEntityHandler scanner, short version)` Reset the reference to the appropriate scanner given the version of the document and start document scanning.

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Field Detail

### SYMBOL_TABLE

    protected static final java.lang.String SYMBOL_TABLE

  Property identifier: symbol table.

  See Also:
    Constant Field Values

### ERROR_REPORTER

    protected static final java.lang.String ERROR_REPORTER

  Property identifier: error reporter.

  See Also:
    Constant Field Values

### ENTITY_MANAGER

    protected static final java.lang.String ENTITY_MANAGER

  Property identifier: entity manager.

  See Also:
    Constant Field Values

### fVersionSymbol

    protected static final java.lang.String fVersionSymbol

  Symbol: "version".

### fXMLSymbol

    protected static final java.lang.String fXMLSymbol

### fSymbolTable

    protected SymbolTable fSymbolTable

  Symbol table.

### fErrorReporter

    protected XMLErrorReporter fErrorReporter

  Error reporter.

### fEntityManager

    protected XMLEntityManager fEntityManager

  Entity manager.

### fEncoding

    protected java.lang.String fEncoding

Constructor Detail

### XMLVersionDetector

    public XMLVersionDetector()

Method Detail

### reset

    public void reset(org.apache.xerces.xni.parser.XMLComponentManager componentManager)
               throws org.apache.xerces.xni.parser.XMLConfigurationException

  Parameters:
    `componentManager` - The component manager.
  Throws:
    `XNIException` - Throws exception if required features and properties cannot be found.
    `org.apache.xerces.xni.parser.XMLConfigurationException`

### startDocumentParsing

    public void startDocumentParsing(XMLEntityHandler scanner,
                                     short version)

  Reset the reference to the appropriate scanner given the version of the document and start document scanning.

  Parameters:
    `scanner` - - the scanner to use
    `version` - - the version of the document (XML 1.1 or XML 1.0).

### determineDocVersion

    public short determineDocVersion(org.apache.xerces.xni.parser.XMLInputSource inputSource)
                              throws java.io.IOException

  This methods scans the XML declaration to find out the version (and provisional encoding) of the document. The scanning is doing using XML 1.1 scanner.

  Parameters:
    `inputSource` -
  Returns:
    short - Constants.XML_VERSION_1_1 if document version 1.1, otherwise Constants.XML_VERSION_1_0
  Throws:
    `java.io.IOException`

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