Apache CXF example source code file (FixedVisitor.java)

This example Apache CXF source code file (FixedVisitor.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - Apache CXF tags/keywords

ast, ast, fixed, fixed, fixedvisitor, long, scope, wsdlastvisitor, xmlschemafractiondigitsfacet, xmlschemafractiondigitsfacet, xmlschemasimpletype, xmlschemasimpletyperestriction, xmlschematotaldigitsfacet, xmlschematotaldigitsfacet

The Apache CXF FixedVisitor.java source code

/**
 * 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 org.apache.cxf.tools.corba.processors.idl;

import javax.wsdl.Definition;
import javax.xml.namespace.QName;

import antlr.collections.AST;

import org.apache.cxf.binding.corba.wsdl.Fixed;
import org.apache.ws.commons.schema.XmlSchema;
import org.apache.ws.commons.schema.XmlSchemaFractionDigitsFacet;
import org.apache.ws.commons.schema.XmlSchemaSimpleType;
import org.apache.ws.commons.schema.XmlSchemaSimpleTypeRestriction;
import org.apache.ws.commons.schema.XmlSchemaTotalDigitsFacet;
import org.apache.ws.commons.schema.constants.Constants;

public class FixedVisitor extends VisitorBase {

    private AST identifierNode;
    
    public FixedVisitor(Scope scope,
                        Definition defn,
                        XmlSchema schemaRef,
                        WSDLASTVisitor wsdlVisitor,
                        AST identifierNodeRef) {
        super(scope, defn, schemaRef, wsdlVisitor);
        identifierNode = identifierNodeRef;
    }
    
    public static boolean accept(AST node) {
        if (node.getType() == IDLTokenTypes.LITERAL_fixed) {
            return true;
        }
        return false;
    }
    
    public void visit(AST fixedNode) {
        //      "typedef" <type_declarator>
        //      <type_declarator> ::=  
        //      <type_spec> ::= 
        //                    | <constr_type_spec>
        //      <simple_type_spec> ::= 
        //                           | <template_type_spec> 
        //                           | <scoped_name>
        //      <base_type_spec> ::= ... omitted (integer, char, octect, etc)
        //      <template_type_spec> ::= 
        //                             | <string_type>
        //                             | <wstring_type>
        //                             | <fixed_pt_type>
        //      <constr_type_spec> ::= 
        //                           | <union_type>
        //                           | <enum_type>
        //      <declarators> ::=  {"," }*
        //      <declarator> ::= 
        //                     | <complex_declarator>
        //      <simple_declarator> ::= 
        //      <complex_declarator> ::= 
        //      <array_declarator> ::=  +
        //      <fixed_array_size> ::= "["  "]"
        
        
        AST digitsNode = fixedNode.getFirstChild();
        AST scaleNode = digitsNode.getNextSibling();
        Scope scopedName = new Scope(getScope(), identifierNode);
        
        // validate digits and scale
        Long digits = new Long(digitsNode.toString());
        Long scale = new Long(scaleNode.toString());
        if (digits < 1 || digits > 31) {
            //throw IllegalIDLException();
            System.out.println("Digits cannot be greater than 31");
            return;
        }
        if (scale.compareTo(digits) > 0) {
            //throw IllegalIDLException();
            System.out.println("Scale cannot be greater than digits");
            return;
        }
        
        // xmlschema:fixed
        XmlSchemaSimpleType fixedSimpleType = new XmlSchemaSimpleType(schema);
        XmlSchemaSimpleTypeRestriction fixedRestriction = new XmlSchemaSimpleTypeRestriction();
        fixedRestriction.setBaseTypeName(Constants.XSD_DECIMAL);
        XmlSchemaTotalDigitsFacet fixedTotalDigits = new XmlSchemaTotalDigitsFacet();
        fixedTotalDigits.setValue(digitsNode.toString());
        XmlSchemaFractionDigitsFacet fixedFractionDigits = new XmlSchemaFractionDigitsFacet();
        fixedFractionDigits.setValue(scaleNode.toString());
        fixedFractionDigits.setFixed(true);
        fixedRestriction.getFacets().add(fixedTotalDigits);
        fixedRestriction.getFacets().add(fixedFractionDigits);
        fixedSimpleType.setName(mapper.mapToQName(scopedName));
        fixedSimpleType.setContent(fixedRestriction);

        // add xmlschema:fixed
        setSchemaType(fixedSimpleType);

        
        // corba:fixed
        Fixed corbaFixed = new Fixed();
        corbaFixed.setQName(new QName(typeMap.getTargetNamespace(), scopedName.toString()));
        corbaFixed.setDigits(digits);
        corbaFixed.setScale(scale);
        corbaFixed.setRepositoryID(scopedName.toIDLRepositoryID());
        //corbaFixed.setType(Constants.XSD_DECIMAL);
        corbaFixed.setType(fixedSimpleType.getQName());
        
        // add corba:fixed
        setCorbaType(corbaFixed);
    }
}