Examples of org.apache.xerces.xni.grammars.XMLGrammarLoader

org.apache.xerces.xni.grammars.XMLGrammarLoader
The intention of this interface is to provide a generic means by which Grammar objects may be created without parsing instance documents. Implementations of this interface will know how to load specific types of grammars (e.g., DTD's or schemas); a wrapper will be provided for user applications to interact with these implementations. @author Neil Graham, IBM @version $Id: XMLGrammarLoader.java 699892 2008-09-28 21:08:27Z mrglavas $

    // to retrieve that loader and use the loader's setFeature method.
    public void setFeature(String featureId, boolean value) {
        Enumeration keys = fLoaders.keys();
        while(keys.hasMoreElements()){
            Object key = keys.nextElement();
            XMLGrammarLoader gl = (XMLGrammarLoader)fLoaders.get(key);
            try {
                gl.setFeature(featureId, value);
            } catch(Exception e) {
                // eat it up...
            }
        }
    } //setFeature(String, boolean)

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    // in this class to set "standard" properties like error handler etc.</strong>
    public void setProperty(String propId, Object value) {
        Enumeration keys = fLoaders.keys();
        while(keys.hasMoreElements()){
            Object key = keys.nextElement();
            XMLGrammarLoader gl = (XMLGrammarLoader)fLoaders.get(key);
            try {
                gl.setProperty(propId, value);
            } catch(Exception e) {
                // eat it up...
            }
        }
    } //setProperty(String, Object)

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    // better make sure the loader exists and knows about this feature.
    // @param type type of grammar to look for the feature in.
    // @param featureId the feature string to query.
    // @return the value of the feature.
    public boolean getFeature(String type, String featureId) {
        XMLGrammarLoader gl = (XMLGrammarLoader)fLoaders.get(type);
        return gl.getFeature(featureId);
    } // getFeature (String, String):  boolean

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    // by all loaders--the specific methods should be queried!</strong>
    // @param type type of grammar to look for the property in.
    // @param propertyId the property string to query.
    // @return the value of the property.
    public Object getProperty(String type, String propertyId) {
        XMLGrammarLoader gl = (XMLGrammarLoader)fLoaders.get(type);
        return gl.getProperty(propertyId);
    } // getProperty(String, String):  Object

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            if(KNOWN_LOADERS.containsKey(grammarType)) {
                // got one; just instantiate it...
                String loaderName = (String)KNOWN_LOADERS.get(grammarType);
                try {
                    ClassLoader cl = ObjectFactory.findClassLoader();
                    XMLGrammarLoader gl = (XMLGrammarLoader)(ObjectFactory.newInstance(loaderName, cl, true));
                    fLoaders.put(grammarType, gl);
                } catch (Exception e) {
                    return false;
                }
                return true;

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     * in reading the file
     */
    public Grammar preparseGrammar(String type, XMLInputSource
                is) throws XNIException, IOException {
        if(fLoaders.containsKey(type)) {
            XMLGrammarLoader gl = (XMLGrammarLoader)fLoaders.get(type);
            // make sure gl's been set up with all the "basic" properties:
            gl.setProperty(SYMBOL_TABLE, fSymbolTable);
            gl.setProperty(ENTITY_RESOLVER, fEntityResolver);
            gl.setProperty(ERROR_REPORTER, fErrorReporter);
            // potentially, not all will support this one...
            if(fGrammarPool != null) {
                try {
                    gl.setProperty(GRAMMAR_POOL, fGrammarPool);
                } catch(Exception e) {
                    // too bad...
                }
            }
            return gl.loadGrammar(is);
        }
        return null;
    } // preparseGrammar(String, XMLInputSource):  Grammar

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    // by a grammar loader of a particular type, it will have
    // to retrieve that loader and use the loader's setFeature method.
    public void setFeature(String featureId, boolean value) {
        Enumeration loaders = fLoaders.elements();
        while(loaders.hasMoreElements()){
            XMLGrammarLoader gl = (XMLGrammarLoader)loaders.nextElement();
            try {
                gl.setFeature(featureId, value);
            } catch(Exception e) {
                // eat it up...
            }
        }
        // since our error reporter is a property we set later,

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    // <p> <strong>An application should use the explicit method
    // in this class to set "standard" properties like error handler etc.</strong>
    public void setProperty(String propId, Object value) {
        Enumeration loaders = fLoaders.elements();
        while(loaders.hasMoreElements()){
            XMLGrammarLoader gl = (XMLGrammarLoader)loaders.nextElement();
            try {
                gl.setProperty(propId, value);
            } catch(Exception e) {
                // eat it up...
            }
        }
    } //setProperty(String, Object)

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    // better make sure the loader exists and knows about this feature.
    // @param type type of grammar to look for the feature in.
    // @param featureId the feature string to query.
    // @return the value of the feature.
    public boolean getFeature(String type, String featureId) {
        XMLGrammarLoader gl = (XMLGrammarLoader)fLoaders.get(type);
        return gl.getFeature(featureId);
    } // getFeature (String, String):  boolean

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    // by all loaders--the specific methods should be queried!</strong>
    // @param type type of grammar to look for the property in.
    // @param propertyId the property string to query.
    // @return the value of the property.
    public Object getProperty(String type, String propertyId) {
        XMLGrammarLoader gl = (XMLGrammarLoader)fLoaders.get(type);
        return gl.getProperty(propertyId);
    } // getProperty(String, String):  Object

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Related Classes of org.apache.xerces.xni.grammars.XMLGrammarLoader

org.apache.xerces.parsers.XMLGrammarPreparser

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