C++ XmlBeansxx / XmlBeanscxx: XML parser and generator

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<xs:schema
targetNamespace="http://xmlbeans.apache.org/samples/enumeration/schemaenum/easypo"
    xmlns:xs="http://www.w3.org/2001/XMLSchema"
    xmlns:po="http://xmlbeans.apache.org/samples/enumeration/schemaenum/easypo"
    elementFormDefault="qualified">
    <xs:element name="purchase-order">
        <xs:complexType>
            <xs:sequence>
                <xs:element name="customer" type="po:customer"/>
                <xs:element name="date" type="xs:dateTime" />
                <xs:element name="line-item" type="po:line-item" minOccurs="0" maxOccurs="unbounded"/>
                <xs:element name="shipper" type="po:shipper" minOccurs="0"/>
            </xs:sequence>
        </xs:complexType>
    </xs:element>
    <xs:complexType name="customer">
        <xs:sequence>
            <xs:element name="name" type="xs:string"/>
            <xs:element name="address" type="xs:string"/>
        </xs:sequence>
    </xs:complexType>
    <xs:complexType name="line-item">
        <xs:sequence>
            <xs:element name="description" type="xs:string"/>
            <xs:element name="per-unit-ounces" type="xs:decimal"/>
            <xs:element name="price" type="xs:double"/>
            <xs:element name="quantity" type="xs:int"/>
        </xs:sequence>
    </xs:complexType>
    <xs:complexType name="shipper">
        <xs:sequence>
            <xs:element name="name" type="xs:string"/>
            <xs:element name="per-ounce-rate" type="xs:decimal"/>
        </xs:sequence>
    </xs:complexType>
</xs:schema>

#include "EasyPO.h"
#include <iostream>
#include <fstream>

using namespace std;
using namespace xmlbeansxx;
using namespace xmlbeansxx::samples::enumeration::schemaenum::easypo;

int main() {

    try {
        fstream in("easypo.xml", ios::in);
        PurchaseOrderDocument pDoc(PurchaseOrderDocument::Factory::parse(in));

        xmlbeansxx::XmlOptions opts;
        opts.setValidation(true);

        vector<LineItem> arr = pDoc.getPurchaseOrder().getLineItemArray();
        for(int i=0; i < arr.size() ; i++) {
            cout << "item: " << i << endl;
            cout << " - description:     " << arr[i].getDescription() << endl;
            cout << " - quantity:        " << arr[i].getQuantity() << endl;
            cout << " - price:           " << arr[i].getPrice() << endl;
            cout << " - amount:          " << arr[i].getQuantity() * arr[i].getPrice() << endl;
        }

    // Debug line cout << "Xml:" << endl << pDoc.toString() << endl;

    } catch (BeansException &ex) {
        cout << "BeansException: " << ex.getMessage() << endl;
    }
    return 0;
}

<?xml version="1.0" encoding="UTF-8"?>
<purchase-order
xmlns="http://xmlbeans.apache.org/samples/enumeration/schemaenum/easypo"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
    <customer>
        <name>Larry Kowalski</name>
        <address>ul. Anytown, PA</address>
    </customer>
    <date>2005-01-01T12:00:00</date>
    <line-item>
        <description>Burnham's Celestial Handbook Vol 1</description>
        <per-unit-ounces>10</per-unit-ounces>
        <price>23</price>
        <quantity>1</quantity>
    </line-item>
    <line-item>
        <description>Burnham's Celestial Handbook Vol 2</description>
        <per-unit-ounces>7</per-unit-ounces>
        <price>22</price>
        <quantity>1</quantity>
    </line-item>
    <line-item>
        <description>Introduction to Linux</description>
        <per-unit-ounces>7</per-unit-ounces>
        <price>27</price>
        <quantity>1</quantity>
    </line-item>
    <shipper>
        <name>Zip Ship</name>
        <per-ounce-rate>0.65</per-ounce-rate>
    </shipper>
</purchase-order>

#include "corporation.h"
#include <iostream>
#include <fstream>
#include <string>
#include <vector>
#include <log4cxx/logger.h>
#include <log4cxx/xml/domconfigurator.h>

using namespace std;
using namespace xmlbeansxx;
using namespace log4cxx;
using namespace log4cxx::xml;
using namespace log4cxx::helpers;

LoggerPtr testProgramMain(log4cxx::Logger::getLogger("TestProgramMain"));

int main() {

    DOMConfigurator::configure("Log4cxxConfig.xml"); // XMLBeans initialization 

    try {
        fstream xmlData("CorporationMegaX.xml", ios::in);

        noNamespace::RootDocument_Root *pDoc = new noNamespace::RootDocument_Root(noNamespace::RootDocument_Root::Factory::parse(xmlData));

        cout << "Corporation Name:    " << pDoc->getCorporation().getName()    << endl;
        cout << "Corporation Address: " << pDoc->getCorporation().getAddress() << endl << endl;

        // Load "Employee" data into STL vector
        vector<noNamespace::RootDocument_Root_People_Employee> arr = pDoc->getPeople().getEmployeeArray();

       // For each "Employee", get tax info and data info.

       for(int i=0; i < arr.size() ; i++)
       {
          cout << "Employee name: " << arr[i].getName() << endl;
          switch (arr[i].getTaxStatus())
           {
              case 0:  // US-W2
                 cout << "   Employee number: " << arr[i].getUSW2().getEmpNumber() << endl;
                 break;
              case 1: // US-1099
                 cout << "   Employee SSN number: " << arr[i].getUS1099().getSsnNumber() << endl;
                 break;
              default:
                 break;
           }
         
           cout << "   Work phone: " << arr[i].getData().getWorkPhone() << endl;
       }

    // Debug line cout << "Xml:" << endl << pDoc.toString() << endl;

    } catch (BeansException &ex) {
        cout << "BeansException: " << ex.getMessage() << endl;
    }
    return 0;
}

<?xml version="1.0" encoding="UTF-8"?>
<root xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="corporation.xsd">
    <Corporation>
        <Name>Corporation MegaX</Name>
        <Phone>1-800-555-1212</Phone>
        <Fax>1-877-555-1212</Fax>
        <Address>512 Megacorp Way, Gotham City</Address>
    </Corporation>
    <People>
        <!-- The Boss -->
        <Employee TaxStatus="US-W2" Gender="Male" Desc="OnSite">
            <Name>Mr Grand Kahuna</Name>
            <US-W2>
                <EmpNumber>1</EmpNumber>
                <Manager>None</Manager>
                <YearStart>1998</YearStart>
            </US-W2>
            <Data>
                <WorkPhone>1-800-555-1213</WorkPhone>
                <CellPhone>1-800-555-1214</CellPhone>
                <Address>100 Cherry Hill Lane, Gotham City</Address>
            </Data>
        </Employee>
        <!-- The Consultant -->
        <Employee TaxStatus="US-1099" Gender="Male" Desc="OnSite">
            <Name>Mr Special Tee</Name>
            <US-1099>
                <SsnNumber>123-45-6788</SsnNumber>
                <Phone>1-817-555-1212</Phone>
                <CorpName>ABC Consulting</CorpName>
                <CorpAddress>3 Mockingbird Lane, Smallville AK</CorpAddress>
                <Relationship>CorpToIndividual</Relationship>
            </US-1099>
            <Data>
                <WorkPhone>1-800-555-1215</WorkPhone>
                <CellPhone>1-800-555-1216</CellPhone>
                <Address>200 Lookout Hill, Gotham City</Address>
            </Data>
        </Employee>
        <!-- The Secratary -->
        <Employee TaxStatus="US-W2" Gender="Female" Desc="OnSite">
            <Name>Mrs Jenny Reliable</Name>
            <US-W2>
                <EmpNumber>2</EmpNumber>
                <Manager>Mr Grand Kahuna</Manager>
                <YearStart>1999</YearStart>
            </US-W2>
            <Data>
                <WorkPhone>1-800-555-1217</WorkPhone>
                <CellPhone>1-800-555-1218</CellPhone>
                <Address>300 Riverside View, Gotham City</Address>
            </Data>
        </Employee>
    </People>
</root>

<?xml version="1.0" encoding="UTF-8" ?>
 <log4j:configuration xmlns:log4j="http://jakarta.apache.org/log4j/">
  <!-- Output the log message to system console.
    -->
  <appender name="testConsoleAppender" class="org.apache.log4j.ConsoleAppender">
    <param name="Target" value="System.out"/>
        <layout class="org.apache.log4j.PatternLayout">
            <param name="ConversionPattern" value="%-5p %c{1} - %m%n"/>
        </layout>
  </appender>

  <root>
        <priority value="error" />
        <appender-ref ref="testConsoleAppender"/>
  </root>

  <!-- Specify the level for some specific categories
   -->
  <category name="TestProgramMain" >
        <priority value ="all" />
        <!-- appender-ref ref="testConsoleAppender"/ -->
  </category>

  <category name="xmlbeansxx" >
        <priority value ="warn" />
  </category>

 </log4j:configuration>

xmlbeansxx::XmlOptions xml_options;
xml_options.setValidation(true);

noNamespace::RootDocument_Root *pDoc = new noNamespace::RootDocument_Root(noNamespace::RootDocument_Root::Factory::parse(xmlData, xml_options));

#include "corporation.h"
#include <iostream>
#include <fstream>
#include <string>
#include <vector>
#include <log4cxx/logger.h>
#include <log4cxx/xml/domconfigurator.h>

using namespace std;
using namespace xmlbeansxx;
using namespace log4cxx;
using namespace log4cxx::xml;
using namespace log4cxx::helpers;
using namespace noNamespace;

LoggerPtr testProgramMain(log4cxx::Logger::getLogger("TestProgramMain"));

int main() {

    DOMConfigurator::configure("Log4cxxConfig.xml"); // XMLBeans initialization 

    RootDocument doc_obj = RootDocument::Factory::newInstance();

    try {
        RootDocument_Root root_obj = RootDocument_Root::Factory::newInstance();
        RootDocument_Root_People people_obj = RootDocument_Root_People::Factory::newInstance();

        // Corporation
        RootDocument_Root_Corporation corporation_obj = RootDocument_Root_Corporation::Factory::newInstance();
        corporation_obj.setName("Corporation MegaX");
        corporation_obj.setPhone("1-800-555-1212");
        corporation_obj.setFax("1-877-555-1212");
        corporation_obj.setAddress("512 Megacorp Way, Gotham City");
        root_obj.setCorporation(corporation_obj);

        // Employee #1
        RootDocument_Root_People_Employee employee_obj_1 = RootDocument_Root_People_Employee::Factory::newInstance();
        employee_obj_1.setName("Mr Grand Kahuna");
        employee_obj_1.setTaxStatus(ETaxStatus::Enum::INT_US_W_2);
        employee_obj_1.setGender(EGender::Enum::INT_MALE);
        employee_obj_1.setDesc(ELocation::Enum::INT_ON_SITE);

        RootDocument_Root_People_Employee_USW2 employee_USW2_obj_1 = RootDocument_Root_People_Employee_USW2::Factory::newInstance();
        employee_USW2_obj_1.setEmpNumber(1);
        employee_USW2_obj_1.setYearStart("1998");
        employee_USW2_obj_1.setManager("None");
        employee_obj_1.setUSW2( employee_USW2_obj_1 );

        RootDocument_Root_People_Employee_Data employee_data_obj_1 = RootDocument_Root_People_Employee_Data::Factory::newInstance();
        employee_data_obj_1.setWorkPhone("1-800-555-1213");
        employee_data_obj_1.setCellPhone("1-800-555-1214");
        employee_data_obj_1.setAddress("100 Cherry Hill Lane, Gotham City");
        employee_obj_1.setData(employee_data_obj_1);
        people_obj.addEmployee( employee_obj_1 );

        // Employee #2
        RootDocument_Root_People_Employee employee_obj_2 = RootDocument_Root_People_Employee::Factory::newInstance();
        employee_obj_2.setName("Mrs Jenny Reliable");
        employee_obj_2.setTaxStatus(ETaxStatus::Enum::INT_US_W_2);
        employee_obj_2.setGender(EGender::Enum::INT_FEMALE);
        employee_obj_2.setDesc(ELocation::Enum::INT_ON_SITE);

        RootDocument_Root_People_Employee_USW2 employee_USW2_obj_2 = RootDocument_Root_People_Employee_USW2::Factory::newInstance();
        employee_USW2_obj_2.setEmpNumber(2);
        employee_USW2_obj_2.setYearStart("1999");
        employee_USW2_obj_2.setManager("Mr Grand Kahuna");
        employee_obj_2.setUSW2( employee_USW2_obj_2 );

        RootDocument_Root_People_Employee_Data employee_data_obj_2 = RootDocument_Root_People_Employee_Data::Factory::newInstance();
        employee_data_obj_2.setWorkPhone("1-800-555-1217");
        employee_data_obj_2.setCellPhone("1-800-555-1218");
        employee_data_obj_2.setAddress("300 Riverside View, Gotham City");
        employee_obj_2.setData(employee_data_obj_2);
        people_obj.addEmployee( employee_obj_2 );   // Do it again and again and add as many people as you want

        root_obj.setPeople(people_obj);
        doc_obj.setRoot(root_obj);

        cout << "Xml:" << endl << doc_obj.toString() << endl;

    } catch (BeansException &ex) {
        cout << "BeansException: " << ex.getMessage() << endl;
        return -1;
    }

    return 0;
}

// Fix and validate by adding schema information
string SchemaInstance = "xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\"";
string SchemaLocationPrefix = "xsi:noNamespaceSchemaLocation=\"corporation.xsd\"";
string TagToModify("<root>");
size_t insert_index = doc_obj.toString().find(TagToModify) + TagToModify.length() - 1;
string insXml = " " + SchemaInstance + " " + SchemaLocationPrefix;

string modXml(doc_obj.toString().substr(0,insert_index) + insXml + doc_obj.toString().substr(insert_index,doc_obj.toString().length()));

cout << modXml << endl;

try {
    xmlbeansxx::XmlOptions xml_options;
    xml_options.setValidation(true);
    RootDocument_Root::Factory::parse(modXml,xml_options);
    cout << " XML is valid" << endl;
} catch (std::exception& e) {
    cout << "XML not valid: Exception Thrown = " << e.what() << endl;
    return -1;
}