Examples of org.relaxng.datatype.Datatype

org.relaxng.datatype.Datatype
Datatype object. This object has the following functionality:
1. functionality to identify a class of character sequences. This is done through the isValid method.
2. functionality to produce a "value object" from a character sequence and context information.
3. functionality to test the equality of two value objects.
This interface also defines the createStreamingValidator method, which is intended to efficiently support the validation of large character sequences. @author James Clark @author Kohsuke KAWAGUCHI

      error("unrecognized_datatype_library", datatypeLibrary, (Locator)loc);
    else {
      try {
        DatatypeBuilder dtb = dl.createDatatypeBuilder(type);
        try {
          Datatype dt = dtb.createDatatype();
          Object obj = dt.createValue(value, new ValidationContextImpl(context, ns));
          if (obj != null)
            return pb.makeValue(dt, obj);
          error("invalid_value", value, (Locator)loc);
        }
        catch (DatatypeException e) {

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 */
public class DatatypeDeserializer {
    public static Datatype deserialize( String str ) {
        try {
            ObjectInputStream ois = new ObjectInputStream( new StringInputStream(str) );
            Datatype dt = (Datatype)ois.readObject();
            ois.close();
        
            return dt;
        } catch( IOException e ) {
            throw new InternalError(e.getMessage());

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        if(!(body instanceof DataExp ))                    return;
        
        SimpleNameClass snc = (SimpleNameClass)exp.nameClass;
        if(!snc.namespaceURI.equals(""))    return;
        
        Datatype dt = ((DataExp)body).dt;
        if( dt==IDType.theInstance || dt==IDREFType.theInstance ) {
            if( currentTagName==null
                // complex attribute name is used.
                // ID/IDREF must have an unique attribute name
            ||  overloadedNames.contains(currentTagName) )

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        String elementName, String attributeName, String attributeType,
        String[] enums, short attributeUse, String defaultValue )
            throws SAXException {
        
        // create Datatype that validates attribute value.
        Datatype dt = createDatatype(attributeType);
        
        StringPair str = new StringPair("",attributeType);
        
        if(enums!=null) {
            Expression exp = Expression.nullSet;
            for( int i=0; i<enums.length; i++ )
                exp = grammar.pool.createChoice( exp,
                    grammar.pool.createValue(dt,str,
                        dt.createValue(enums[i],null)));
            return exp;
        }
    
        if( attributeUse == USE_FIXED ) {
            return grammar.pool.createValue(dt,str,
                dt.createValue(defaultValue,null));
        }
        
        return grammar.pool.createData(dt,str);
    }

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    protected Expression makeExpression() {
        final RELAXNGReader reader = (RELAXNGReader)this.reader;
        String typeName = startTag.getCollapsedAttribute("type");
        
        Datatype type;
        
        StringPair typeFullName;
        
        if(typeName==null) {
            try {
                // defaults to built-in token type.
                type = reader.resolveDataTypeLibrary("").createDatatype("token");
                typeFullName = new StringPair("","token");
            } catch( DatatypeException e ) {
                // since token is the built-in datatype,
                // this can't happen
                e.printStackTrace();
                throw new InternalError();
            }
        } else {
            type = reader.resolveDataType(typeName);
            typeFullName = new StringPair(reader.datatypeLibURI,typeName);
        }
        
        Object value = type.createValue(text.toString(),reader);
        if( value==null ) {
            // this is not a good value for this type.
            reader.reportError( RELAXNGReader.ERR_BAD_DATA_VALUE, typeName, text.toString().trim() );
            return Expression.nullSet;    // recover by returning something.
        }

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        throw new UnsupportedOperationException( exp.dt.getClass().getName() );
    }
        
    public void onData(DataExp exp) {
        Datatype dt = exp.dt;


        if (dt instanceof XSDatatypeImpl) {
            XSDatatypeImpl dti = (XSDatatypeImpl)dt;


            if (isPredefinedType(dt)) {
                // it's a pre-defined types.
                writer.element("data", new String[] { "type", dti.getName()});
            } else {
                serializeDataType(dti);
            }
            return;
        }


        // unknown datatype
        writer.element("data-unknown", new String[] { "class", dt.getClass().getName()});
    }

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                                throws SAXException {
        super.endElement(namespaceUri,localName,qName);
        
        // getLastCharacterType may sometimes return null. For example,
        // 1) this element should be empty and there was only whitespace characters.
        Datatype dt;
        Datatype[] lastType = getLastCharacterType();
        if( lastType==null || lastType.length==0 )    dt = null;
        else                                        dt = getLastCharacterType()[0];
            
        // call matchers

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      error("unrecognized_datatype_library", datatypeLibrary, (Locator)loc);
    else {
      try {
        DatatypeBuilder dtb = dl.createDatatypeBuilder(type);
        try {
          Datatype dt = dtb.createDatatype();
          Object obj = dt.createValue(value, new ValidationContextImpl(context, ns));
          if (obj != null)
            return pb.makeValue(dt, obj);
          error("invalid_value", value, (Locator)loc);
        }
        catch (DatatypeException e) {

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      error("unrecognized_datatype_library", datatypeLibrary, (Locator)loc);
    else {
      try {
        DatatypeBuilder dtb = dl.createDatatypeBuilder(type);
        try {
          Datatype dt = dtb.createDatatype();
          Object obj = dt.createValue(value, new ValidationContextImpl(context, ns));
          if (obj != null)
            return pb.makeValue(dt, obj);
          error("invalid_value", value, (Locator)loc);
        }
        catch (DatatypeException e) {

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                return new DatatypeBuilder() {
                    public void addParameter(String s, String s1, ValidationContext validationContext) throws DatatypeException {
                    }


                    public Datatype createDatatype() throws DatatypeException {
                        return new Datatype() {


                            public boolean isValid(String s, ValidationContext validationContext) {
                                return false;
                            }

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