Using Org.eclipse.xsd.XSDEnumerationFacet to generate schema for enumerated types

Because there is less information about Eclipse XSD on the web, and the sample code for Eclipse XSD is rare, sometimes we need to generate an XSD Schema with an enumeration-qualified simple type, such as the following format,

<?xml version= "1.0" encoding= "UTF-8"? ><schema xmlns= "Http://www.w3.org/2001/XMLSchema"    Targetnamespace= "Http://www.w3.org/2001/XMLSchema" >  <complextype name= "Studenttype" >    < sequence>      <element maxoccurs= "1" minoccurs= "1" name= "username" type= "string"/>      <element maxoccurs= "1" minoccurs= "1" name= "Password" type= "string"/>      <element maxoccurs= "1" minoccurs= "1" name= " Alignment "type=" Alignmenttype "/>    </sequence>  </complexType>  <simpletype name=" Alignmenttype ">    <restriction base=" string ">      <enumeration value=" right "/>      < Enumeration value= "Middle"/>      <enumeration value= "left"/>    </restriction>  </ simpletype>  <element name= "Student" type= "Studenttype"/></schema>

Among them, <simpletype name= "Alignmenttype" > Represents aa simple type with enumeration qualification. So how should it be generated? See the code below for reference.

Import Org.eclipse.xsd.xsdcomplextypedefinition;import Org.eclipse.xsd.xsdcompositor;import Org.eclipse.xsd.xsdelementdeclaration;import Org.eclipse.xsd.xsdenumerationfacet;import Org.eclipse.xsd.xsdfactory;import Org.eclipse.xsd.xsdimport;import Org.eclipse.xsd.xsdinclude;import Org.eclipse.xsd.xsdmodelgroup;import Org.eclipse.xsd.xsdparticle;import Org.eclipse.xsd.xsdredefine;import Org.eclipse.xsd.xsdschema;import Org.eclipse.xsd.xsdschemadirective;import Org.eclipse.xsd.xsdsimpletypedefinition;import Org.eclipse.xsd.util.xsdresourceimpl;import Org.eclipse.xsd.util.xsdutil;import Org.junit.test;import Org.w3c.dom.element;public class EnumFacetTest {protected   static Xsdfactory xsdfactory = Xsdfactory.einstance; private void Createaligementelement (Xsdsimpletypedefinition aligmenttype) {string[] cellaligements={"right", "MIDDLE     "," Left "}; for (int i=0;i<cellaligements.length;i++) {Xsdenumerationfacet alenum=     XSDFactory.eINSTANCE.createXSDEnumerationFacet (); Alenum.sEtlexicalvalue (Cellaligements[i]);     Aligmenttype.getfacets (). Add (Alenum);     Aligmenttype.getfacetcontents (). Add (Alenum); }}/**<?xml version= "1.0" encoding= "UTF-8"? ><schema xmlns= "Http://www.w3.org/2001/XMLSchema" Targetnames Pace= "Http://www.w3.org/2001/XMLSchema" > <complextype name= "Studenttype" > <sequence> <element m  axoccurs= "1" minoccurs= "1" name= "username" type= "string"/> <element maxoccurs= "1" minoccurs= "1" name= "password" Type= "string"/> <element maxoccurs= "1" minoccurs= "1" name= "alignment" type= "Alignmenttype"/> </sequen ce> </complexType> <simpletype name= "Alignmenttype" > <restriction base= "string" > <enumer ation value= "right"/> <enumeration value= "middle"/> <enumeration value= "left"/> </restricti on> </simpleType> <element name= "Student" type= "Studenttype"/></schema> */@Test Public V OID EnumfacettEST () {String targenamespace= "Http://www.w3.org/2001/XMLSchema"; Xsdschema Xsdschema=xsdfactory.createxsdschema (); Xsdschema.settargetnamespace (Targenamespace); Xsdschema.getqnameprefixtonamespacemap (). Put (null, "Http://www.w3.org/2001/XMLSchema"),//1.1 Create Complex type: Studentxsdcomplextypedefinition complextypedef = Xsdfactory.createxsdcomplextypedefinition (); Complextypedef.settargetnamespace (Xsdschema.gettargetnamespace ()); Complextypedef.setname ("StudentType"); Xsdparticle xsdparticle=xsdfactory.createxsdparticle (); Xsdmodelgroup Xsdmodulegroup=xsdfactory.createxsdmodelgroup (); Xsdmodulegroup.setcompositor ( xsdcompositor.sequence_literal); xsdparticle.setcontent (Xsdmodulegroup); complextypedef.setcontent (xsdParticle);    Complextypedef.setcontenttype (xsdparticle); Xsdschema.getcontents (). Add (Complextypedef); 1.2 Add element for complex type//1.2.1 username elementxsdparticle localxsdparticle = xsdfactory.createxsdparticle (); Localxsdparticle.setminoccurs (1); localxsdparticle.setmaxoccurs (1); Xsdelementdeclaration localxsdelementdeclaration = Xsdfactory.createxsdelementdeclaration (); Localxsdelementdeclaration.settargetnamespace (Targenamespace); Localxsdelementdeclaration.setname ("username"); Xsdschema Localxsdschema = Xsdutil.getschemaforschema ("Http://www.w3.org/2001/XMLSchema"); Xsdsimpletypedefinition localsimpletype=localxsdschema.resolvesimpletypedefinition ("string"); Localxsdelementdeclaration.settypedefinition (Localsimpletype); Localxsdparticle.setcontent ( localxsdelementdeclaration); Xsdmodulegroup.getcontents (). Add (localxsdparticle);//1.2.2 password Elementlocalxsdparticle = Xsdfactory.createxsdparticle (); localxsdparticle.setminoccurs (1); Localxsdparticle.setmaxoccurs (1); localxsdelementdeclaration = Xsdfactory.createxsdelementdeclaration (); Localxsdelementdeclaration.settargetnamespace (Targenamespace); Localxsdelementdeclaration.setname ("password"); Localxsdschema = Xsdutil.getschemaforschema ("Http://www.w3.org/2001/XMLSchema"); localsimpletype= Localxsdschema.resolvesimplEtypedefinition ("string"); Localxsdelementdeclaration.settypedefinition (Localsimpletype); Localxsdparticle.setcontent (localxsdelementdeclaration); Xsdmodulegroup.getcontents (). Add (localXSDParticle);// 1.2.3.1 Create simple Type with Xsdenumerationfacet---------------xsdsimpletypedefinition xsdsimpletypedefinition = XSDFactory.eINSTANCE.createXSDSimpleTypeDefinition (); Xsdsimpletypedefinition basetypedefinition = Xsdschema.resolvesimpletypedefinitionuri ("string");     Xsdsimpletypedefinition.setbasetypedefinition (basetypedefinition); Xsdsimpletypedefinition.setname ("Alignmenttype"); Createaligementelement (xsdsimpletypedefinition);  Xsdschema.getcontents (). Add (xsdsimpletypedefinition);//1.2.3.2 Create element with simple Type--------------  Localxsdparticle = Xsdfactory.createxsdparticle ();  Localxsdparticle.setminoccurs (1);  Localxsdparticle.setmaxoccurs (1);  Localxsdelementdeclaration = Xsdfactory.createxsdelementdeclaration (); Localxsdelementdeclaration.settargetnamespace (Targenamespace);  Localxsdelementdeclaration.setname ("alignment");  Localxsdschema = Xsdutil.getschemaforschema ("Http://www.w3.org/2001/XMLSchema");  Localxsdelementdeclaration.settypedefinition (xsdsimpletypedefinition);  Localxsdparticle.setcontent (localxsdelementdeclaration); Xsdmodulegroup.getcontents (). Add (localxsdparticle);//2.create xsdelementdeclaration and attached complex type to XSD Elementxsdelementdeclaration xsdeelement=xsdfactory.createxsdelementdeclaration (); XsdEelement.setName ("Student" ); Xsdeelement.settypedefinition (complextypedef); Xsdschema.getcontents (). Add (xsdeelement);//3.Print        Schemaschemaprintservice.printschema (Xsdschema);  }}class Schemaprintservice {/** * Print Schema to console * * @param xsdschema */public static void Printschema (Xsdschema Xsdschema) {System.out.println ("<!--===== Schema composition =====");p rintdirectives ("", Xsdschema); System.out.println ("--"); System.out.println ("<!--[" + xsdschema.getschemalocation () + "]-"); xsdschema.updAteelement (); Element element = Xsdschema.getelement (); if (element! = NULL) {//Print the serialization of the model. Xsdresourceimpl.serialize (System.out, Element);}} private static void Printschemastart (Xsdschema xsdschema) {System.out.print ("<schema targetnamespace=\"); Xsdschema.gettargetnamespace ()! = null) {System.out.print (Xsdschema.gettargetnamespace ());} System.out.print ("\" schemalocation=\ ""); if (xsdschema.getschemalocation () = null) {System.out.print ( Xsdschema.getschemalocation ());} System.out.print ("\" > ");} private static void Printdirectives (String indent, Xsdschema Xsdschema) {System.out.print (indent);p Rintschemastart ( Xsdschema); System.out.println (); if (!xsdschema.getreferencingdirectives (). IsEmpty ()) {System.out.println (indent + "< Referencingdirectives> "); for (Xsdschemadirective xsdSchemaDirective:xsdSchema.getReferencingDirectives ()) { Xsdschema Referencingschema = Xsdschemadirective.getschema (); System.out.print (Indent + "");p Rintschemastart (ReferenciNgschema); System.out.println (); System.out.print (Indent + ""); if (xsdschemadirective instanceof xsdimport) {xsdimport Xsdimport = (xsdimport) Xsdsch emadirective; System.out.print ("<import namespace=\"); if (Xsdimport.getnamespace ()! = null) {System.out.print ( Xsdimport.getnamespace ());} System.out.print ("\" schemalocation=\ "");} else if (xsdschemadirective instanceof xsdredefine) {System.out.print ("<redefine schemalocation=\");} else if ( Xsdschemadirective instanceof Xsdinclude) {System.out.print ("<include schemalocation=\");} if (xsdschemadirective.getschemalocation () = null) {System.out.print (xsdschemadirective.getschemalocation ());} System.out.println ("\"/> "); System.out.println (indent + "</schema>");} System.out.println (indent + "</referencingDirectives>");} if (!xsdschema.getincorporatedversions (). IsEmpty ()) {System.out.println (indent + "<incorporatedVersions>"); For (Xsdschema incorporatedVersion:xsdSchema.getIncorporatedVersions ()) {PRINTDIRectives (Indent + "", incorporatedversion);} System.out.println (indent + "</incorporatedVersions>");} System.out.println (indent + "</schema>");}}

Using Org.eclipse.xsd.XSDEnumerationFacet to generate schema for enumerated types