public boolean canSetParameter()

in src/org/apache/xerces/parsers/DOMParserImpl.java [765:863]
90 lines of code
44 McCabe index (conditional complexity)

    public boolean canSetParameter (String name, Object value) {
        if (value == null) {
            return true;
        }
        
        if (value instanceof Boolean) {
            boolean state = ((Boolean)value).booleanValue();
            if ( name.equalsIgnoreCase (Constants.DOM_SUPPORTED_MEDIATYPES_ONLY)
            || name.equalsIgnoreCase(Constants.DOM_NORMALIZE_CHARACTERS)
            || name.equalsIgnoreCase(Constants.DOM_CHECK_CHAR_NORMALIZATION )
            || name.equalsIgnoreCase (Constants.DOM_CANONICAL_FORM) ) {
                // true is not supported
                return (state) ? false : true;
            }
            else if (name.equalsIgnoreCase (Constants.DOM_WELLFORMED)
            || name.equalsIgnoreCase (Constants.DOM_IGNORE_UNKNOWN_CHARACTER_DENORMALIZATIONS)) {
                // false is not supported
                return (state) ? true : false;
            }
            else if (name.equalsIgnoreCase (Constants.DOM_CDATA_SECTIONS)
            || name.equalsIgnoreCase (Constants.DOM_CHARSET_OVERRIDES_XML_ENCODING)
            || name.equalsIgnoreCase (Constants.DOM_COMMENTS)
            || name.equalsIgnoreCase (Constants.DOM_DATATYPE_NORMALIZATION)
            || name.equalsIgnoreCase (Constants.DOM_DISALLOW_DOCTYPE)
            || name.equalsIgnoreCase (Constants.DOM_ENTITIES)
            || name.equalsIgnoreCase (Constants.DOM_INFOSET)
            || name.equalsIgnoreCase (Constants.DOM_NAMESPACES)
            || name.equalsIgnoreCase (Constants.DOM_NAMESPACE_DECLARATIONS)
            || name.equalsIgnoreCase (Constants.DOM_VALIDATE)
            || name.equalsIgnoreCase (Constants.DOM_VALIDATE_IF_SCHEMA)
            || name.equalsIgnoreCase (Constants.DOM_ELEMENT_CONTENT_WHITESPACE)
            || name.equalsIgnoreCase (Constants.DOM_XMLDECL)) {
                return true;
            }

            // Recognize Xerces features.
            try {
                String normalizedName;
                // The honour-all-schemaLocations feature is 
                // mixed case so requires special treatment.
                if (name.equalsIgnoreCase(HONOUR_ALL_SCHEMALOCATIONS)) {
                    normalizedName = HONOUR_ALL_SCHEMALOCATIONS;
                }
                else if (name.equalsIgnoreCase(NAMESPACE_GROWTH)) {
                    normalizedName = NAMESPACE_GROWTH;
                }
                else if (name.equalsIgnoreCase(TOLERATE_DUPLICATES)) {
                    normalizedName = TOLERATE_DUPLICATES;
                }
                else {
                    normalizedName = name.toLowerCase(Locale.ENGLISH);
                }
                fConfiguration.getFeature(normalizedName);
                return true;
            }
            catch (XMLConfigurationException e) {
                return false;
            }
        }
        else { // check properties
            if (name.equalsIgnoreCase (Constants.DOM_ERROR_HANDLER)) {
                if (value instanceof DOMErrorHandler || value == null) {
                    return true;
                }
                return false;
            }
            else if (name.equalsIgnoreCase (Constants.DOM_RESOURCE_RESOLVER)) {
                if (value instanceof LSResourceResolver || value == null) {
                    return true;
                }
                return false;
            }
            else if (name.equalsIgnoreCase (Constants.DOM_SCHEMA_TYPE)) {
                if ((value instanceof String
                && (value.equals (Constants.NS_XMLSCHEMA)
                || value.equals (Constants.NS_DTD))) || value == null) {
                    return true;
                }
                return false;
            }
            else if (name.equalsIgnoreCase (Constants.DOM_SCHEMA_LOCATION)) {
                if (value instanceof String || value == null)
                    return true;
                return false;
            }
            else if (name.equalsIgnoreCase (DOCUMENT_CLASS_NAME)) {
                return true;
            }
            
            // Recognize Xerces properties.
            try {
                fConfiguration.getProperty(name.toLowerCase(Locale.ENGLISH));
                return true;
            }
            catch (XMLConfigurationException e) {
                return false;
            }
        }
    }