samples/simpletype/SimpleTypeUsage.java - xerces2-j - Git at Google

 /*
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.
  * The ASF licenses this file to You under the Apache License, Version 2.0
  * (the "License"); you may not use this file except in compliance with
  * the License.  You may obtain a copy of the License at
  *
  *      http://www.apache.org/licenses/LICENSE-2.0
  *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */

 package simpletype;

 import org.apache.xerces.impl.dv.InvalidDatatypeValueException;
 import org.apache.xerces.impl.dv.SchemaDVFactory;
 import org.apache.xerces.impl.dv.ValidatedInfo;
 import org.apache.xerces.impl.dv.ValidationContext;
 import org.apache.xerces.impl.dv.XSFacets;
 import org.apache.xerces.impl.dv.XSSimpleType;
 import org.apache.xerces.impl.validation.ValidationState;
 import org.apache.xerces.xs.XSConstants;
 import org.apache.xerces.xs.XSObjectList;
 import org.apache.xerces.xs.XSTypeDefinition;

 /**
  *  It demonstrates how to use the interfaces defined in 'org.apache.xerces.impl.dv'
  *  package for the purpose of
  * 1. how to query property information of Simple Type Definition Schema Component.
  * 2. how to get instance of SchemaDVFactory implementation.
  * 3. how to get built-in type/s and create new types as derived by restriction, list
  *      or union, using factory methods of SchemaDVFactory.
  * 4. how to use those simple type (built-in/created) to validate the values.
  *    This class is  useful for any application which wants to use the simple type
  * implementation directly as separate module.
  *
  * @author Neeraj Bajaj     Sun Microsystems, inc.
  * @version $Id$
  */

 public class SimpleTypeUsage{

 static SchemaDVFactory factory = null;
 XSFacets facets = new XSFacets();

 short fPresentFacets ;
 short fFixedFacets ;
 short fFinalSet ;


 public SimpleTypeUsage(){

         //Any application willing to switch to different implementation should
         //call SchemaDVFactory#setFactoryClass() as the first step before calling
         //SchemaDVFactory#getInstance().
         //Suppose application wants to use class 'MySchemaDVFactoryImpl' as SchemaDVFactory
         // implementation which resides in say 'myApp.simpleType' package.

         //SchemaDVFactory.setFactoryClass("myApp.simpleType.MySchemaDVFactoryImpl.class");

         //this will give the instance of default implementation (SchemaDVFactoryImpl)
         // in 'org.apache.xerces.impl.dv.xs_new' package.
         factory = SchemaDVFactory.getInstance();

 } //SimpleTypeUsage()


 /**
 *	Get proper validation context, it provides the information required for the validation of datatypes id, idref,
 *	entity, notation, qname , we need to get appropriate validation context for validating the content or creating
 *	simple type (applyFacets).
 *	@return ValidationContext
 */

 private ValidationContext getValidationContext(){

         ValidationState validationState = null;

     // create an instance of 'ValidationState' providing the information required for the
     // validation of datatypes id, idref, entity, notation, qname.
     //	application can also provide its own implementation of ValidationContext if required,
     // an implementation of 'ValidationContext' is in 'org.apache.xerces.impl.validation' package.
     validationState = new ValidationState();

         // application need to pass validation context while validating string, object or creating simple type (applyFacets)
         // derived by restriction, should set the following information accordingly

     //application should provide the namespace support by calling
     //validationState.setNamespaceSupport(...);

     //application can also provide 'SymbolTable' (org.apache.xerces.util.SymbolTable) like
     //validationState.setSymbolTable(....);

         //set proper value (true/false) for the given validation context
         //validationState.setFacetChecking(true);

         //set proper value (true/false) for the given validation context
         //validationState.setExtraChecking(false);

         return validationState;

 }

 /**
  * this method shows how to validate the content against the given simple type.
  *
  * @param String content to validate
  * @param XSSimpleType SimpleType Definition schema component against which to validate the content.
  *
  * @return ValidatedInfo validatedInfo object.
  */
 public ValidatedInfo validateString(String content, XSSimpleType simpleType){

     //create an instance of 'ValidatedInfo' to get back information (like actual value,
     //normalizedValue etc..)after content is validated.
     ValidatedInfo validatedInfo = new ValidatedInfo();

         //get proper validation context , this is very important we need to get appropriate validation context while validating content
         //validation context passed is generally different while validating content and  creating simple type (applyFacets)
         ValidationContext validationState = getValidationContext();

     try{
         simpleType.validate(content, validationState, validatedInfo);
     }catch(InvalidDatatypeValueException ex){
         System.err.println(ex.getMessage());
     }

     //now 'validatedInfo' object contains information

     // for number types (decimal, double, float, and types derived from them),
     // Object return is BigDecimal, Double, Float respectively.
     // for some types (string and derived), they just return the string itself
     Object value = validatedInfo.actualValue;
     //so returned Object can be casted to actual java object like..
     //Boolean booleanDT = (Boolean)value;

     //The normalized value of a string value
     String normalizedValue = validatedInfo.normalizedValue ;

     //If the type is a union type, then the member type which
     //actually validated the string value.
     XSSimpleType memberType = validatedInfo.memberType ;

     return validatedInfo;

 }//validateString()

 /**
  * this method shows how to query information about the different properties of 'Simple Type'
  * definiton schema component. It prints the values of properties of 'SimpleType Definition
  * Schema Component'.
  *
  * @param simpleType    object of XSSimpleType
  */
 public void querySimpleType(XSSimpleType simpleType){

     //getting information about the different properties of 'Simple Type' definition schema component.
     System.err.println();
     System.err.println( "Properties information of 'Simple Type' definiton schema component" );
     System.err.println();
     // 'name' property
     if( simpleType.getAnonymous() )
         System.err.println( "Anonymous Simple Type" );
     else{
         System.err.println("'name' \t\t\t\t: " + simpleType.getName()  );
     }

     //'target namespace' property
     String targetNameSpace = simpleType.getNamespace() ;
     System.err.println("'target namespace' \t\t: " + targetNameSpace  );

     // 'variety' property
     short variety = simpleType.getVariety();
     printVariety(variety);

     //'base type definition' property
     XSTypeDefinition baseType = (XSTypeDefinition)simpleType.getBaseType() ;
     System.err.println("'base type definition' name \t: " + ( baseType != null ? baseType.getName() : "null" )   );
     System.err.println("'base type definition' target namespace : " + ( baseType != null ? baseType.getNamespace() : "null" )   );

     //check if base type is simple or complex
     if(baseType != null && (baseType.getTypeCategory() == XSTypeDefinition.SIMPLE_TYPE) ){
         //now we can get all the details of base type
         XSSimpleType simpleTypeDecl = (XSSimpleType)baseType;
     }

     // 'facets' property
     // gives bit combination of the constants defined in XSSimpleType interface.
     short facets = simpleType.getDefinedFacets() ;
     printFacets(facets);

     //'final' property
     //the explicit values of this property extension, restriction, list and union prevent further
     //derivations by extension (to yield a complex type) and restriction (to yield a simple type)
     //and use in constructing lists and unions respectively.
     short finalSet = simpleType.getFinal() ;
     printFinal(finalSet);

     //if variety is 'list'
     if( variety == XSSimpleType.VARIETY_LIST ){
         // 'Item Type definition' property of List Simple Type Definition Schema Component.
         XSSimpleType listDecl = (XSSimpleType)simpleType.getItemType();
     }else if(variety == XSSimpleType.VARIETY_UNION ){
         // 'Member Type definitions' property of Union Simple Type Definition Schema Component.
         XSObjectList memberTypes = simpleType.getMemberTypes();
     }

     //fundamental facet information

     //ordered schema component
     short ordered = simpleType.getOrdered();
     printOrdered(ordered);

     //bounded schema component
     boolean bounded = simpleType.getBounded();
     if(bounded){
         System.err.println("'bounded' \t\t\t\t: true"  );
     }
     else{
         System.err.println("'bounded' \t\t\t\t: false"  );
     }

     //cardinality schema component
     boolean isFinite = simpleType.getFinite();
     printCardinality(isFinite);

     //numeric schema component
     boolean numeric = simpleType.getNumeric();
     if(numeric){
         System.err.println("'numeric' \t\t\t\t: true"  );
     }
     else{
         System.err.println("'numeric' \t\t\t\t: false"  );
     }


 }//getInformation()

 void printOrdered (short ordered){

     switch(ordered){

         case XSSimpleType.ORDERED_FALSE:
             System.err.println("'ordered' \t\t\t\t: false"  );
             break;

         case XSSimpleType.ORDERED_PARTIAL:
             System.err.println("'ordered' \t\t\t\t: partial"  );
             break;

         case XSSimpleType.ORDERED_TOTAL:
             System.err.println("'ordered' \t\t\t\t: total"  );
             break;

     }
 }//printOrdered()

 void printCardinality (boolean isFinite){

     if(!isFinite)
         System.err.println("'cardinality' \t\t\t\t: countably infinite"  );
     else
         System.err.println("'cardinality' \t\t\t\t: finite"  );

 }//printCardinality()

 void printFacets(short facets){

     System.err.println("'facets' present \t\t: " );

     if(( facets & XSSimpleType.FACET_ENUMERATION) != 0){
         System.err.println("\t\t\t\t ENUMERATION");
     }
     if((facets & XSSimpleType.FACET_LENGTH) != 0){
         System.err.println("\t\t\t\t LENGTH");
     }
     if((facets & XSSimpleType.FACET_MINLENGTH) != 0){
         System.err.println("\t\t\t\t MINLENGTH");
     }
     if((facets & XSSimpleType.FACET_MAXLENGTH) != 0){
         System.err.println("\t\t\t\t MAXLENGTH");
     }
     if((facets & XSSimpleType.FACET_PATTERN) != 0){
         System.err.println("\t\t\t\t PATTERN");
     }
     if((facets & XSSimpleType.FACET_WHITESPACE) != 0){
         System.err.println("\t\t\t\t WHITESPACE");
     }
     if((facets & XSSimpleType.FACET_MAXINCLUSIVE) != 0){
         System.err.println("\t\t\t\t MAXINCLUSIVE");
     }
     if((facets & XSSimpleType.FACET_MAXEXCLUSIVE) != 0){
         System.err.println("\t\t\t\t MAXEXCLUSIVE");
     }
     if((facets & XSSimpleType.FACET_MININCLUSIVE) != 0){
         System.err.println("\t\t\t\t MININCLUSIVE");
     }
     if((facets & XSSimpleType.FACET_MINEXCLUSIVE) != 0){
         System.err.println("\t\t\t\t MINEXCLUSIVE");
     }
     if((facets & XSSimpleType.FACET_TOTALDIGITS) != 0){
         System.err.println("\t\t\t\t TOTALDIGITS");
     }
     if((facets & XSSimpleType.FACET_FRACTIONDIGITS) != 0){
         System.err.println("\t\t\t\t FRACTIONDIGITS");
     }

 }//printFacets()

 void printFinal(short finalSet){

     System.err.println("'final' values \t\t\t: " );

     if ((finalSet & XSConstants.DERIVATION_EXTENSION ) != 0) {
         System.err.println("\t\t\t\t Extension");
     }
     if ((finalSet & XSConstants.DERIVATION_RESTRICTION) != 0) {
         System.err.println("\t\t\t\t Restriction");
     }
     if ((finalSet & XSConstants.DERIVATION_LIST ) != 0) {
         System.err.println("\t\t\t\t List");
     }
     if ((finalSet & XSConstants.DERIVATION_UNION ) != 0) {
         System.err.println("\t\t\t\t Union");
     }
     if (finalSet == XSConstants.DERIVATION_NONE) {
         System.err.println("\t\t\t\t EMPTY");
     }

 }

 void printVariety(short variety){

     switch(variety){

     case XSSimpleType.VARIETY_ATOMIC:
         System.err.println("'variety' \t\t\t: ATOMIC");
         break;

     case XSSimpleType.VARIETY_LIST:
         System.err.println("'variety' \t\t\t: LIST");
         break;

     case XSSimpleType.VARIETY_UNION:
         System.err.println("'variety' \t\t\t: UNION");
         break;

     default:
         System.err.println("Invalid value of 'Variety' property , it should be one of atomic, list or union.");
         break;
     }


 } //printVariety()


 public static void main(String [] args){

     SimpleTypeUsage usage = new SimpleTypeUsage();

     if(args.length == 1 ){
         XSSimpleType builtInType = factory.getBuiltInType(args[0]);
         if(builtInType == null){
             System.err.println("Invalid built-in Simple datatype given as argument.");
             printUsage();
         }
         else {
             usage.querySimpleType(builtInType);
         }

     }else{
         printUsage();
     }

 }//main()

 static void printUsage(){
         System.err.println("USAGE: java simpletype.SimpleTypeUsage  'Built-InDatatypeName' ");
         System.err.println();

         System.err.println("  Built-InDatatypeName  \t\tBuilt-In Datatype name as defined by W3C Schema Spec, \n\t\t\t\t\t \"http://www.w3.org/TR/xmlschema-2/#built-in-datatypes\" .");
         System.err.println();
 }

 }//class SimpleTypeUsage
	/*
	* Licensed to the Apache Software Foundation (ASF) under one or more
	* contributor license agreements. See the NOTICE file distributed with
	* this work for additional information regarding copyright ownership.
	* The ASF licenses this file to You under the Apache License, Version 2.0
	* (the "License"); you may not use this file except in compliance with
	* the License. You may obtain a copy of the License at
	*
	* http://www.apache.org/licenses/LICENSE-2.0
	*
	* Unless required by applicable law or agreed to in writing, software
	* distributed under the License is distributed on an "AS IS" BASIS,
	* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	* See the License for the specific language governing permissions and
	* limitations under the License.
	*/

	package simpletype;

	import org.apache.xerces.impl.dv.InvalidDatatypeValueException;
	import org.apache.xerces.impl.dv.SchemaDVFactory;
	import org.apache.xerces.impl.dv.ValidatedInfo;
	import org.apache.xerces.impl.dv.ValidationContext;
	import org.apache.xerces.impl.dv.XSFacets;
	import org.apache.xerces.impl.dv.XSSimpleType;
	import org.apache.xerces.impl.validation.ValidationState;
	import org.apache.xerces.xs.XSConstants;
	import org.apache.xerces.xs.XSObjectList;
	import org.apache.xerces.xs.XSTypeDefinition;

	/**
	* It demonstrates how to use the interfaces defined in 'org.apache.xerces.impl.dv'
	* package for the purpose of
	* 1. how to query property information of Simple Type Definition Schema Component.
	* 2. how to get instance of SchemaDVFactory implementation.
	* 3. how to get built-in type/s and create new types as derived by restriction, list
	* or union, using factory methods of SchemaDVFactory.
	* 4. how to use those simple type (built-in/created) to validate the values.
	* This class is useful for any application which wants to use the simple type
	* implementation directly as separate module.
	*
	* @author Neeraj Bajaj Sun Microsystems, inc.
	* @version $Id$
	*/

	public class SimpleTypeUsage{

	static SchemaDVFactory factory = null;
	XSFacets facets = new XSFacets();

	short fPresentFacets ;
	short fFixedFacets ;
	short fFinalSet ;


	public SimpleTypeUsage(){

	//Any application willing to switch to different implementation should
	//call SchemaDVFactory#setFactoryClass() as the first step before calling
	//SchemaDVFactory#getInstance().
	//Suppose application wants to use class 'MySchemaDVFactoryImpl' as SchemaDVFactory
	// implementation which resides in say 'myApp.simpleType' package.

	//SchemaDVFactory.setFactoryClass("myApp.simpleType.MySchemaDVFactoryImpl.class");

	//this will give the instance of default implementation (SchemaDVFactoryImpl)
	// in 'org.apache.xerces.impl.dv.xs_new' package.
	factory = SchemaDVFactory.getInstance();

	} //SimpleTypeUsage()


	/**
	* Get proper validation context, it provides the information required for the validation of datatypes id, idref,
	* entity, notation, qname , we need to get appropriate validation context for validating the content or creating
	* simple type (applyFacets).
	* @return ValidationContext
	*/

	private ValidationContext getValidationContext(){

	ValidationState validationState = null;

	// create an instance of 'ValidationState' providing the information required for the
	// validation of datatypes id, idref, entity, notation, qname.
	// application can also provide its own implementation of ValidationContext if required,
	// an implementation of 'ValidationContext' is in 'org.apache.xerces.impl.validation' package.
	validationState = new ValidationState();

	// application need to pass validation context while validating string, object or creating simple type (applyFacets)
	// derived by restriction, should set the following information accordingly

	//application should provide the namespace support by calling
	//validationState.setNamespaceSupport(...);

	//application can also provide 'SymbolTable' (org.apache.xerces.util.SymbolTable) like
	//validationState.setSymbolTable(....);

	//set proper value (true/false) for the given validation context
	//validationState.setFacetChecking(true);

	//set proper value (true/false) for the given validation context
	//validationState.setExtraChecking(false);

	return validationState;

	}

	/**
	* this method shows how to validate the content against the given simple type.
	*
	* @param String content to validate
	* @param XSSimpleType SimpleType Definition schema component against which to validate the content.
	*
	* @return ValidatedInfo validatedInfo object.
	*/
	public ValidatedInfo validateString(String content, XSSimpleType simpleType){

	//create an instance of 'ValidatedInfo' to get back information (like actual value,
	//normalizedValue etc..)after content is validated.
	ValidatedInfo validatedInfo = new ValidatedInfo();

	//get proper validation context , this is very important we need to get appropriate validation context while validating content
	//validation context passed is generally different while validating content and creating simple type (applyFacets)
	ValidationContext validationState = getValidationContext();

	try{
	simpleType.validate(content, validationState, validatedInfo);
	}catch(InvalidDatatypeValueException ex){
	System.err.println(ex.getMessage());
	}

	//now 'validatedInfo' object contains information

	// for number types (decimal, double, float, and types derived from them),
	// Object return is BigDecimal, Double, Float respectively.
	// for some types (string and derived), they just return the string itself
	Object value = validatedInfo.actualValue;
	//so returned Object can be casted to actual java object like..
	//Boolean booleanDT = (Boolean)value;

	//The normalized value of a string value
	String normalizedValue = validatedInfo.normalizedValue ;

	//If the type is a union type, then the member type which
	//actually validated the string value.
	XSSimpleType memberType = validatedInfo.memberType ;

	return validatedInfo;

	}//validateString()

	/**
	* this method shows how to query information about the different properties of 'Simple Type'
	* definiton schema component. It prints the values of properties of 'SimpleType Definition
	* Schema Component'.
	*
	* @param simpleType object of XSSimpleType
	*/
	public void querySimpleType(XSSimpleType simpleType){

	//getting information about the different properties of 'Simple Type' definition schema component.
	System.err.println();
	System.err.println( "Properties information of 'Simple Type' definiton schema component" );
	System.err.println();
	// 'name' property
	if( simpleType.getAnonymous() )
	System.err.println( "Anonymous Simple Type" );
	else{
	System.err.println("'name' \t\t\t\t: " + simpleType.getName() );
	}

	//'target namespace' property
	String targetNameSpace = simpleType.getNamespace() ;
	System.err.println("'target namespace' \t\t: " + targetNameSpace );

	// 'variety' property
	short variety = simpleType.getVariety();
	printVariety(variety);

	//'base type definition' property
	XSTypeDefinition baseType = (XSTypeDefinition)simpleType.getBaseType() ;
	System.err.println("'base type definition' name \t: " + ( baseType != null ? baseType.getName() : "null" ) );
	System.err.println("'base type definition' target namespace : " + ( baseType != null ? baseType.getNamespace() : "null" ) );

	//check if base type is simple or complex
	if(baseType != null && (baseType.getTypeCategory() == XSTypeDefinition.SIMPLE_TYPE) ){
	//now we can get all the details of base type
	XSSimpleType simpleTypeDecl = (XSSimpleType)baseType;
	}

	// 'facets' property
	// gives bit combination of the constants defined in XSSimpleType interface.
	short facets = simpleType.getDefinedFacets() ;
	printFacets(facets);

	//'final' property
	//the explicit values of this property extension, restriction, list and union prevent further
	//derivations by extension (to yield a complex type) and restriction (to yield a simple type)
	//and use in constructing lists and unions respectively.
	short finalSet = simpleType.getFinal() ;
	printFinal(finalSet);

	//if variety is 'list'
	if( variety == XSSimpleType.VARIETY_LIST ){
	// 'Item Type definition' property of List Simple Type Definition Schema Component.
	XSSimpleType listDecl = (XSSimpleType)simpleType.getItemType();
	}else if(variety == XSSimpleType.VARIETY_UNION ){
	// 'Member Type definitions' property of Union Simple Type Definition Schema Component.
	XSObjectList memberTypes = simpleType.getMemberTypes();
	}

	//fundamental facet information

	//ordered schema component
	short ordered = simpleType.getOrdered();
	printOrdered(ordered);

	//bounded schema component
	boolean bounded = simpleType.getBounded();
	if(bounded){
	System.err.println("'bounded' \t\t\t\t: true" );
	}
	else{
	System.err.println("'bounded' \t\t\t\t: false" );
	}

	//cardinality schema component
	boolean isFinite = simpleType.getFinite();
	printCardinality(isFinite);

	//numeric schema component
	boolean numeric = simpleType.getNumeric();
	if(numeric){
	System.err.println("'numeric' \t\t\t\t: true" );
	}
	else{
	System.err.println("'numeric' \t\t\t\t: false" );
	}



	}//getInformation()

	void printOrdered (short ordered){

	switch(ordered){

	case XSSimpleType.ORDERED_FALSE:
	System.err.println("'ordered' \t\t\t\t: false" );
	break;

	case XSSimpleType.ORDERED_PARTIAL:
	System.err.println("'ordered' \t\t\t\t: partial" );
	break;

	case XSSimpleType.ORDERED_TOTAL:
	System.err.println("'ordered' \t\t\t\t: total" );
	break;

	}
	}//printOrdered()

	void printCardinality (boolean isFinite){

	if(!isFinite)
	System.err.println("'cardinality' \t\t\t\t: countably infinite" );
	else
	System.err.println("'cardinality' \t\t\t\t: finite" );

	}//printCardinality()

	void printFacets(short facets){

	System.err.println("'facets' present \t\t: " );

	if(( facets & XSSimpleType.FACET_ENUMERATION) != 0){
	System.err.println("\t\t\t\t ENUMERATION");
	}
	if((facets & XSSimpleType.FACET_LENGTH) != 0){
	System.err.println("\t\t\t\t LENGTH");
	}
	if((facets & XSSimpleType.FACET_MINLENGTH) != 0){
	System.err.println("\t\t\t\t MINLENGTH");
	}
	if((facets & XSSimpleType.FACET_MAXLENGTH) != 0){
	System.err.println("\t\t\t\t MAXLENGTH");
	}
	if((facets & XSSimpleType.FACET_PATTERN) != 0){
	System.err.println("\t\t\t\t PATTERN");
	}
	if((facets & XSSimpleType.FACET_WHITESPACE) != 0){
	System.err.println("\t\t\t\t WHITESPACE");
	}
	if((facets & XSSimpleType.FACET_MAXINCLUSIVE) != 0){
	System.err.println("\t\t\t\t MAXINCLUSIVE");
	}
	if((facets & XSSimpleType.FACET_MAXEXCLUSIVE) != 0){
	System.err.println("\t\t\t\t MAXEXCLUSIVE");
	}
	if((facets & XSSimpleType.FACET_MININCLUSIVE) != 0){
	System.err.println("\t\t\t\t MININCLUSIVE");
	}
	if((facets & XSSimpleType.FACET_MINEXCLUSIVE) != 0){
	System.err.println("\t\t\t\t MINEXCLUSIVE");
	}
	if((facets & XSSimpleType.FACET_TOTALDIGITS) != 0){
	System.err.println("\t\t\t\t TOTALDIGITS");
	}
	if((facets & XSSimpleType.FACET_FRACTIONDIGITS) != 0){
	System.err.println("\t\t\t\t FRACTIONDIGITS");
	}

	}//printFacets()

	void printFinal(short finalSet){

	System.err.println("'final' values \t\t\t: " );

	if ((finalSet & XSConstants.DERIVATION_EXTENSION ) != 0) {
	System.err.println("\t\t\t\t Extension");
	}
	if ((finalSet & XSConstants.DERIVATION_RESTRICTION) != 0) {
	System.err.println("\t\t\t\t Restriction");
	}
	if ((finalSet & XSConstants.DERIVATION_LIST ) != 0) {
	System.err.println("\t\t\t\t List");
	}
	if ((finalSet & XSConstants.DERIVATION_UNION ) != 0) {
	System.err.println("\t\t\t\t Union");
	}
	if (finalSet == XSConstants.DERIVATION_NONE) {
	System.err.println("\t\t\t\t EMPTY");
	}

	}

	void printVariety(short variety){

	switch(variety){

	case XSSimpleType.VARIETY_ATOMIC:
	System.err.println("'variety' \t\t\t: ATOMIC");
	break;

	case XSSimpleType.VARIETY_LIST:
	System.err.println("'variety' \t\t\t: LIST");
	break;

	case XSSimpleType.VARIETY_UNION:
	System.err.println("'variety' \t\t\t: UNION");
	break;

	default:
	System.err.println("Invalid value of 'Variety' property , it should be one of atomic, list or union.");
	break;
	}


	} //printVariety()


	public static void main(String [] args){

	SimpleTypeUsage usage = new SimpleTypeUsage();

	if(args.length == 1 ){
	XSSimpleType builtInType = factory.getBuiltInType(args[0]);
	if(builtInType == null){
	System.err.println("Invalid built-in Simple datatype given as argument.");
	printUsage();
	}
	else {
	usage.querySimpleType(builtInType);
	}

	}else{
	printUsage();
	}

	}//main()

	static void printUsage(){
	System.err.println("USAGE: java simpletype.SimpleTypeUsage 'Built-InDatatypeName' ");
	System.err.println();

	System.err.println(" Built-InDatatypeName \t\tBuilt-In Datatype name as defined by W3C Schema Spec, \n\t\t\t\t\t \"http://www.w3.org/TR/xmlschema-2/#built-in-datatypes\" .");
	System.err.println();
	}

	}//class SimpleTypeUsage