393      * <p>{@link SchemaFactory}s are not required to recognize setting

   393      * <p>

   394      * any specific property names.</p>

   394      * All implementations that implement JAXP 1.5 or newer are required to

   395      * support the {@link javax.xml.XMLConstants#ACCESS_EXTERNAL_DTD} and

   396      * {@link javax.xml.XMLConstants#ACCESS_EXTERNAL_SCHEMA} properties.

   397      * </p>

   398      * <ul>

   399      *   <li>

   400      *      <p>Access to external DTDs in Schema files is restricted to the protocols

   401      *      specified by the {@link javax.xml.XMLConstants#ACCESS_EXTERNAL_DTD} property.

   402      *      If access is denied during the creation of new Schema due to the restriction

   403      *      of this property, {@link org.xml.sax.SAXException} will be thrown by the

   404      *      {@link #newSchema(Source)} or {@link #newSchema(File)}

   405      *      or {@link #newSchema(URL)} or  or {@link #newSchema(Source[])} method.</p>

   406      *

   407      *      <p>Access to external DTDs in xml source files is restricted to the protocols

   408      *      specified by the {@link javax.xml.XMLConstants#ACCESS_EXTERNAL_DTD} property.

   409      *      If access is denied during validation due to the restriction

   410      *      of this property, {@link org.xml.sax.SAXException} will be thrown by the

   411      *      {@link javax.xml.validation.Validator#validate(Source)} or

   412      *      {@link javax.xml.validation.Validator#validate(Source, Result)} method.</p>

   413      *

   414      *      <p>Access to external reference set by the schemaLocation attribute is

   415      *      restricted to the protocols specified by the

   416      *      {@link javax.xml.XMLConstants#ACCESS_EXTERNAL_SCHEMA} property.

   417      *      If access is denied during validation due to the restriction of this property,

   418      *      {@link org.xml.sax.SAXException} will be thrown by the

   419      *      {@link javax.xml.validation.Validator#validate(Source)} or

   420      *      {@link javax.xml.validation.Validator#validate(Source, Result)} method.</p>

   421      *

   422      *      <p>Access to external reference set by the Import

   423      *      and Include element is restricted to the protocols specified by the

   424      *      {@link javax.xml.XMLConstants#ACCESS_EXTERNAL_SCHEMA} property.

   425      *      If access is denied during the creation of new Schema due to the restriction

   426      *      of this property, {@link org.xml.sax.SAXException} will be thrown by the

   427      *      {@link #newSchema(Source)} or {@link #newSchema(File)}

   428      *      or {@link #newSchema(URL)} or {@link #newSchema(Source[])} method.</p>

   429      *   </li>

   430      * </ul>