Examples of mf.org.apache.xerces.xni.grammars.Grammar

Package mf.org.apache.xerces.xni.grammars

Examples of mf.org.apache.xerces.xni.grammars.Grammar

mf.org.apache.xerces.xni.grammars.Grammar
A generic grammar for use in validating XML documents. The Grammar object stores the validation information in a compiled form. Specific subclasses extend this class and "populate" the grammar by compiling the specific syntax (DTD, Schema, etc) into the data structures used by this object.
Note: The Grammar object is not useful as a generic grammar access or query object. In other words, you cannot round-trip specific grammar syntaxes with the compiled grammar information in the Grammar object. You can create equivalent validation rules in your choice of grammar syntax but there is no guarantee that the input and output will be the same.
Right now, this class is largely a shell; eventually, it will be enriched by having more expressive methods added.
will be moved from dtd.Grammar here. @author Jeffrey Rodriguez, IBM @author Eric Ye, IBM @author Andy Clark, IBM @author Neil Graham, IBM @version $Id: Grammar.java 447245 2006-09-18 05:22:10Z mrglavas $

        synchronized (fGrammars) {
            clean();
            int hash = hashCode(desc);
            int index = (hash & 0x7FFFFFFF) % fGrammars.length;
            for (Entry entry = fGrammars[index]; entry != null; entry = entry.next) {
                Grammar tempGrammar = (Grammar) entry.grammar.get();
                /** If the soft reference has been cleared, remove this entry from the pool. */
                if (tempGrammar == null) {
                    removeEntry(entry);
                }
                else if ((entry.hash == hash) && equals(entry.desc, desc)) {

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        synchronized (fGrammars) {
            clean();
            int hash = hashCode(desc);
            int index = (hash & 0x7FFFFFFF) % fGrammars.length;
            for (Entry entry = fGrammars[index]; entry != null ; entry = entry.next) {
                Grammar tempGrammar = (Grammar) entry.grammar.get();
                /** If the soft reference has been cleared, remove this entry from the pool. */
                if (tempGrammar == null) {
                    removeEntry(entry);
                }
                else if ((entry.hash == hash) && equals(entry.desc, desc)) {

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    /* (non-Javadoc)
     * @see org.apache.xerces.xs.XSLoader#load(org.w3c.dom.ls.LSInput)
     */
    public XSModel load(LSInput is) {
        try {
            Grammar g = loadGrammar(dom2xmlInputSource(is));
            return ((XSGrammar) g).toXSModel();
        } catch (Exception e) {
            reportDOMFatalError(e);
            return null;
        }

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    /* (non-Javadoc)
     * @see org.apache.xerces.xs.XSLoader#loadURI(java.lang.String)
     */
    public XSModel loadURI(String uri) {
        try {
            Grammar g = loadGrammar(new XMLInputSource(null, uri, null));
            return ((XSGrammar)g).toXSModel();
        }
        catch (Exception e){
            reportDOMFatalError(e);
            return null;

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        public Grammar retrieveGrammar(XMLGrammarDescription desc) {
            if (desc.getGrammarType() == XMLGrammarDescription.XML_SCHEMA) {
                final String tns = ((XMLSchemaDescription) desc).getTargetNamespace();
                if (fGrammarBucket != null) {
                    Grammar grammar = fGrammarBucket.getGrammar(tns);
                    if (grammar != null) {
                        return grammar;
                    }
                }
                if (SchemaSymbols.URI_SCHEMAFORSCHEMA.equals(tns)) {

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         *
         * @param gDesc Description of the grammar to be retrieved
         * @return      Grammar corresponding to gDesc, or null if none exists.
         */
        public Grammar retrieveGrammar(XMLGrammarDescription gDesc) {
            Grammar g = super.retrieveGrammar(gDesc);
            if(g != null) return g;
            return fGrammarPool.retrieveGrammar(gDesc);
        } // retrieveGrammar(XMLGrammarDesc):  Grammar

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    public void cacheGrammars(String grammarType, Grammar[] grammars) {
        if(!fPoolIsLocked) {
            for (int i = 0; i < grammars.length; i++) {
                if(DEBUG) {
                    System.out.println("CACHED GRAMMAR " + (i+1) ) ;
                    Grammar temp = grammars[i] ;
                    //print(temp.getGrammarDescription());
                }
                putGrammar(grammars[i]);
            }
        }

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                        prev.next = entry.next;
            }
            else {
                fGrammars[index] = entry.next;
            }
                Grammar tempGrammar = entry.grammar;
                entry.grammar = null;
                fGrammarCount--;
                return tempGrammar;
            }
        }

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Related Classes of mf.org.apache.xerces.xni.grammars.Grammar

mf.org.apache.xerces.impl.xs.traversers.XSDHandler$XSAnnotationGrammarPool

mf.org.apache.xerces.impl.xs.XMLSchemaLoader

mf.org.apache.xerces.jaxp.validation.SoftReferenceGrammarPool

mf.org.apache.xerces.parsers.CachingParserPool$ShadowedGrammarPool

mf.org.apache.xerces.util.XMLGrammarPoolImpl

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