Examples of org.apache.xerces.util.XMLGrammarPoolImpl

org.apache.xerces.util.XMLGrammarPoolImpl
Stores grammars in a pool associated to a specific key. This grammar pool implementation stores two types of grammars: those keyed by the root element name, and those keyed by the grammar's target namespace. This is the default implementation of the GrammarPool interface. As we move forward, this will become more function-rich and robust. @author Jeffrey Rodriguez, IBM @author Andy Clark, IBM @author Neil Graham, IBM @author Pavani Mukthipudi, Sun Microsystems @author Neeraj Bajaj, SUN Microsystems @version $Id: XMLGrammarPoolImpl.java,v 1.3 2002/11/28 18:51:28 sandygao Exp $

        }
        
        XMLGrammarPool pool = (XMLGrammarPool)config.getProperty(DOMValidationConfiguration.GRAMMAR_POOL);
        if (pool != null) {
            // copy the grammar pool
            XMLGrammarPool grammarPool = new XMLGrammarPoolImpl();
            grammarPool.cacheGrammars(XMLGrammarDescription.XML_SCHEMA,  
                                      pool.retrieveInitialGrammarSet(XMLGrammarDescription.XML_SCHEMA));
            fConfiguration.setProperty(DOMValidationConfiguration.GRAMMAR_POOL, grammarPool);
        }
    }

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     * Constructs a grammar pool with a default number of buckets. 
     */
    public GrammarPool() {
        if (logger.isInfoEnabled())
            {logger.info("Initializing GrammarPool.");}
        pool = new XMLGrammarPoolImpl();
    }

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   public XSLoader getXSLoader()
   {
      XMLSchemaLoader xsloader = new XMLSchemaLoader();
      JBossXSErrorHandler eh = new JBossXSErrorHandler();
      xsloader.setErrorHandler(eh);
      xsloader.setProperty("http://apache.org/xml/properties/internal/grammar-pool", new XMLGrammarPoolImpl());
      return xsloader;
   }

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   public XSLoader getXSLoader(XMLErrorHandler xeh, XMLEntityResolver xer)
   {
      XMLSchemaLoader xsloader = new XMLSchemaLoader();
      xsloader.setEntityResolver(xer);
      xsloader.setErrorHandler(xeh);
      xsloader.setProperty("http://apache.org/xml/properties/internal/grammar-pool", new XMLGrammarPoolImpl());
      return xsloader;
   }

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        // in a grammar pool, possibly instantiate an 
        // appropriate configuration, and we're on our way.


        SymbolTable sym = new SymbolTable(BIG_PRIME);
        XMLGrammarPreparser preparser = new XMLGrammarPreparser(sym);
        XMLGrammarPoolImpl grammarPool = new XMLGrammarPoolImpl();
        boolean isDTD = false;
        if(externalDTDs != null) {
            preparser.registerPreparser(XMLGrammarDescription.XML_DTD, null);
            isDTD = true;
        } else if(schemas != null) {

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   public XSLoader getXSLoader()
   {
      XMLSchemaLoader xsloader = new XMLSchemaLoader();
      JBossXSErrorHandler eh = new JBossXSErrorHandler();
      xsloader.setErrorHandler(eh);
      xsloader.setProperty("http://apache.org/xml/properties/internal/grammar-pool", new XMLGrammarPoolImpl());
      return xsloader;
   }

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   public XSLoader getXSLoader(XMLErrorHandler xeh, XMLEntityResolver xer)
   {
      XMLSchemaLoader xsloader = new XMLSchemaLoader();
      xsloader.setEntityResolver(xer);
      xsloader.setErrorHandler(xeh);
      xsloader.setProperty("http://apache.org/xml/properties/internal/grammar-pool", new XMLGrammarPoolImpl());
      return xsloader;
   }

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    // Constructors
    //


    /** Default constructor. */
    public CachingParserPool() {
        this(new SymbolTable(), new XMLGrammarPoolImpl());
    } // <init>()

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        XMLGrammarPool grammarPool = (XMLGrammarPool)fConfiguration.getProperty(StandardParserConfiguration.XMLGRAMMAR_POOL);
        // if there is no grammar pool, create one
        // REVISIT: ASBuilder should always create one.
        if (grammarPool == null) {
            // something's not right in this situation...
            grammarPool = new XMLGrammarPoolImpl();
            fConfiguration.setProperty(StandardParserConfiguration.XMLGRAMMAR_POOL,
                                       grammarPool);
        }
        if (fAbstractSchema != null) {
            initGrammarPool(fAbstractSchema, grammarPool);

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      if (schemaURLDeque != null && schemaURLDeque.size() != 0)
      {
         SymbolTable symbolTable = new SymbolTable(SYMBOL_TABLE_SIZE);
         XMLGrammarPreparser preparser = new XMLGrammarPreparser(symbolTable);
         XMLGrammarPoolImpl grammarPool = new XMLGrammarPoolImpl();


         preparser.registerPreparser(XMLGrammarDescription.XML_SCHEMA, null);
         preparser.setGrammarPool(grammarPool);
         preparser.setProperty(BUFFER_SIZE_PROPERTY, BUFFER_SIZE);
         preparser.setFeature(NAMESPACES_FEATURE, true);
         preparser.setFeature(VALIDATION_FEATURE, true);
         preparser.setFeature(SCHEMA_VALIDATION_FEATURE, true);
         preparser.setFeature(NODE_DEFERRAL_FEATURE, false);
         preparser.setErrorHandler(ERROR_HANDLER);
         preparser.setEntityResolver(new MappedResolver(schemaURLDeque));


         for (Iterator itr = schemaURLDeque.valueIterator(); itr.hasNext(); )
         {
            URL xsdURL = (URL)itr.next();
            InputStream istream = URLUtil.openStream(xsdURL);


            try
            {
               preparser.preparseGrammar(XMLGrammarDescription.XML_SCHEMA, 
                  new XMLInputSource(null, xsdURL.toExternalForm(), null, istream, ENCODING));
            }
            finally
            {
               IOUtil.close(istream);
            }
         }


         grammarPool.lockPool();
         cfg = new IntegratedParserConfiguration(symbolTable, grammarPool);
         cfg.setFeature(VALIDATION_FEATURE, true);
         cfg.setFeature(SCHEMA_VALIDATION_FEATURE, true);
      }
      else

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