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 699892 2008-09-28 21:08:27Z 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

    Fields
    Modifier and Type | Field and Description
    --- | ---
    `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

    Constructors
    Constructor and Description
    `XMLVersionDetector()`

  - ### Method Summary

    Methods
    Modifier and Type | Method and Description
    --- | ---
    `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:
        `org.apache.xerces.xni.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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