Xerces2 Implementation: Class XMLGrammarPreparser

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## org.apache.xerces.parsers
Class XMLGrammarPreparser

    java.lang.Object
      |
      +--org.apache.xerces.parsers.XMLGrammarPreparser

public class XMLGrammarPreparser
extends java.lang.Object

This class provides an easy way for a user to preparse grammars of various types. By default, it knows how to preparse external DTD's and schemas; it provides an easy way for user applications to register classes that know how to parse additional grammar types. By default, it does no grammar caching; but it provides ways for user applications to do so.

Version:
  $Id: XMLGrammarPreparser.java 521449 2007-03-22 20:35:42Z mrglavas $
Author:
  Neil Graham, IBM

Field Summary
`protected static java.lang.String` | `ENTITY_RESOLVER` Property identifier: entity resolver.
`protected static java.lang.String` | `ERROR_HANDLER` Property identifier: error handler.
`protected static java.lang.String` | `ERROR_REPORTER` Property identifier: error reporter.
`protected org.apache.xerces.xni.parser.XMLEntityResolver` | `fEntityResolver`
`protected XMLErrorReporter` | `fErrorReporter`
`protected org.apache.xerces.xni.grammars.XMLGrammarPool` | `fGrammarPool`
`protected java.util.Locale` | `fLocale`
`protected SymbolTable` | `fSymbolTable`
`protected static java.lang.String` | `GRAMMAR_POOL` Property identifier: grammar pool .
`protected static java.lang.String` | `SYMBOL_TABLE` Property identifier: symbol table.

Constructor Summary
`XMLGrammarPreparser()` Default constructor.
`XMLGrammarPreparser(SymbolTable symbolTable)` Constructs a preparser using the specified symbol table.

Method Summary
`org.apache.xerces.xni.parser.XMLEntityResolver` | `getEntityResolver()` Returns the registered entity resolver.
`org.apache.xerces.xni.parser.XMLErrorHandler` | `getErrorHandler()` Returns the registered error handler.
`boolean` | `getFeature(java.lang.String type, java.lang.String featureId)`
`org.apache.xerces.xni.grammars.XMLGrammarPool` | `getGrammarPool()` Returns the registered grammar pool.
`org.apache.xerces.xni.grammars.XMLGrammarLoader` | `getLoader(java.lang.String type)`
`java.util.Locale` | `getLocale()` Return the Locale the XMLGrammarLoader is using.
`java.lang.Object` | `getProperty(java.lang.String type, java.lang.String propertyId)`
`org.apache.xerces.xni.grammars.Grammar` | `preparseGrammar(java.lang.String type, org.apache.xerces.xni.parser.XMLInputSource is)` Parse a grammar from a location identified by an XMLInputSource.
`boolean` | `registerPreparser(java.lang.String grammarType, org.apache.xerces.xni.grammars.XMLGrammarLoader loader)`
`void` | `setEntityResolver(org.apache.xerces.xni.parser.XMLEntityResolver entityResolver)` Sets the entity resolver.
`void` | `setErrorHandler(org.apache.xerces.xni.parser.XMLErrorHandler errorHandler)` Sets the error handler.
`void` | `setFeature(java.lang.String featureId, boolean value)`
`void` | `setGrammarPool(org.apache.xerces.xni.grammars.XMLGrammarPool grammarPool)` Sets the grammar pool.
`void` | `setLocale(java.util.Locale locale)` Set the locale to use for messages.
`void` | `setProperty(java.lang.String propId, java.lang.Object value)`

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.

### ERROR_REPORTER

    protected static final java.lang.String ERROR_REPORTER

  Property identifier: error reporter.

### ERROR_HANDLER

    protected static final java.lang.String ERROR_HANDLER

  Property identifier: error handler.

### ENTITY_RESOLVER

    protected static final java.lang.String ENTITY_RESOLVER

  Property identifier: entity resolver.

### GRAMMAR_POOL

    protected static final java.lang.String GRAMMAR_POOL

  Property identifier: grammar pool .

### fSymbolTable

    protected SymbolTable fSymbolTable

### fErrorReporter

    protected XMLErrorReporter fErrorReporter

### fEntityResolver

    protected org.apache.xerces.xni.parser.XMLEntityResolver fEntityResolver

### fGrammarPool

    protected org.apache.xerces.xni.grammars.XMLGrammarPool fGrammarPool

### fLocale

    protected java.util.Locale fLocale

Constructor Detail

### XMLGrammarPreparser

    public XMLGrammarPreparser()

  Default constructor.

### XMLGrammarPreparser

    public XMLGrammarPreparser(SymbolTable symbolTable)

  Constructs a preparser using the specified symbol table.
  Parameters:
    `symbolTable` - The symbol table to use.

Method Detail

### registerPreparser

    public boolean registerPreparser(java.lang.String grammarType,
                                     org.apache.xerces.xni.grammars.XMLGrammarLoader loader)

### preparseGrammar

    public org.apache.xerces.xni.grammars.Grammar preparseGrammar(java.lang.String type,
                                                                  org.apache.xerces.xni.parser.XMLInputSource is)
                                                           throws org.apache.xerces.xni.XNIException,
                                                                  java.io.IOException

  Parse a grammar from a location identified by an XMLInputSource. This method also adds this grammar to the XMLGrammarPool
  Parameters:
    `type` - The type of the grammar to be constructed
    `is` - The XMLInputSource containing this grammar's information If a URI is included in the systemId field, the parser will not expand this URI or make it available to the EntityResolver
  Returns:
    The newly created `Grammar`.
  Throws:
    `org.apache.xerces.xni.XNIException` - thrown on an error in grammar construction
    `java.io.IOException` - thrown if an error is encountered in reading the file

### setLocale

    public void setLocale(java.util.Locale locale)

  Set the locale to use for messages.
  Parameters:
    `locale` - The locale object to use for localization of messages.
  Throws:
    `org.apache.xerces.xni.XNIException` - Thrown if the parser does not support the specified locale.

### getLocale

    public java.util.Locale getLocale()

  Return the Locale the XMLGrammarLoader is using.

### setErrorHandler

    public void setErrorHandler(org.apache.xerces.xni.parser.XMLErrorHandler errorHandler)

  Sets the error handler.
  Parameters:
    `errorHandler` - The error handler.

### getErrorHandler

    public org.apache.xerces.xni.parser.XMLErrorHandler getErrorHandler()

  Returns the registered error handler.

### setEntityResolver

    public void setEntityResolver(org.apache.xerces.xni.parser.XMLEntityResolver entityResolver)

  Sets the entity resolver.
  Parameters:
    `entityResolver` - The new entity resolver.

### getEntityResolver

    public org.apache.xerces.xni.parser.XMLEntityResolver getEntityResolver()

  Returns the registered entity resolver.

### setGrammarPool

    public void setGrammarPool(org.apache.xerces.xni.grammars.XMLGrammarPool grammarPool)

  Sets the grammar pool.
  Parameters:
    `grammarPool` - The new grammar pool.

### getGrammarPool

    public org.apache.xerces.xni.grammars.XMLGrammarPool getGrammarPool()

  Returns the registered grammar pool.

### getLoader

    public org.apache.xerces.xni.grammars.XMLGrammarLoader getLoader(java.lang.String type)

### setFeature

    public void setFeature(java.lang.String featureId,
                           boolean value)

### setProperty

    public void setProperty(java.lang.String propId,
                            java.lang.Object value)

### getFeature

    public boolean getFeature(java.lang.String type,
                              java.lang.String featureId)

### getProperty

    public java.lang.Object getProperty(java.lang.String type,
                                        java.lang.String propertyId)

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