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/**
*
* 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.tuscany.samples.sdo.basic;
import java.io.FileOutputStream;
import org.apache.tuscany.samples.sdo.SampleBase;
import org.apache.tuscany.samples.sdo.internal.SampleInfrastructure;
import commonj.sdo.DataObject;
import commonj.sdo.helper.HelperContext;
/**
* This sample uses the scenario of building a description of a company to demonstrate
* primarily the setting of data using strings to name Properties.
* <p>
* <h3>Running this Sample</h3> See <A HREF="../../../../../../index.html"
* target="_top">the main overview</A> for instructions on how to run this
* sample.
*/
public class CreateCompany extends SampleBase {
public CreateCompany(Integer commentaryLevel) {
this(commentaryLevel, SAMPLE_LEVEL_BASIC);
}
public CreateCompany(Integer commentaryLevel, Integer sampleLevel) {
super(commentaryLevel, sampleLevel);
}
/*
* metadata for the sample documenting the areas of SDO that are explored
*/
public static int [] CORE_FUNCTION = {
SDOFacets.SET_PROPERTIES_OF_DATAOBJECT_BY_NAME
};
/**
* XML file generated for the company DataObject
*/
private static final String COMPANY_GENERATED_XML = "companyGenerated.xml";
/**
* Main method. Execute this method in order to run sample
* @param args
* @throws Exception
*/
public static void main(String[] args) {
/*
* this sample is suitable for a novice to SDO.
* Change the experience level constructor argument to one of
* COMMENTARY_FOR_NOVICE, COMMENTARY_FOR_INTERMEDIATE, COMMENTARY_FOR_ADVANCED, change
* the level of commentary output.
*/
CreateCompany sample = new CreateCompany(COMMENTARY_FOR_NOVICE);
sample.run();
}
public void runSample () throws Exception {
banner('*',
"Demonstrates how to create a data graph using a model loaded\n"+
"from an XML Schema contained in a file on the file system");
HelperContext scope = createScopeForTypes();
loadTypesFromXMLSchemaFile(scope, SampleInfrastructure.COMPANY_XSD);
commentary(
"Now that our type system has been loaded and made available through the scope\n"+
"DataObjects can be created by a DataFactory that has access to the required types.\n\n"+
"DataObject company = scope.getDataFactory().create(SampleInfrastructure.COMPANY_NAMESPACE, \"CompanyType\");");
DataObject company = scope.getDataFactory().create(SampleInfrastructure.COMPANY_NAMESPACE, "CompanyType");
populateGraph(scope, company);
FileOutputStream fos = new FileOutputStream(COMPANY_GENERATED_XML);
commentary(
"The XMLHelper can be used to write an XML serialized version of the data graph\n\n"+
"scope.getXMLHelper().save(company, SampleInfrastructure.COMPANY_NAMESPACE, \"company\", fos);");
scope.getXMLHelper().save(company, SampleInfrastructure.COMPANY_NAMESPACE, "company", fos);
commentary(
"Similarly we can serialize the graph to an XML String using the XMLHelper\n\n"+
"String xml = scope.getXMLHelper().save(company, SampleInfrastructure.COMPANY_NAMESPACE, \"company\");\n");
String xml = scope.getXMLHelper().save(company, SampleInfrastructure.COMPANY_NAMESPACE, "company");
System.out.println(xml);
}
public void populateGraph(HelperContext scope, DataObject company)
{
System.out.println("Populating the company DataObject");
company.setString("name", "ACME");
company.setString("employeeOfTheMonth", "E0001");
System.out.println("Creating a Department");
DataObject depts = company.createDataObject("departments");
depts.setString("name", "Advanced Technologies");
depts.setString("location", "NY");
depts.setString("number", "123");
System.out.println("Creating an employee: John Jones");
DataObject johnJones = depts.createDataObject("employees");
johnJones.setString("name", "John Jones");
johnJones.setString("SN", "E0001");
System.out.println("Creating an employee: Jane Doe");
DataObject janeDoe = depts.createDataObject("employees");
janeDoe.setString("name", "Jane Doe");
janeDoe.setString("SN", "E0003");
System.out.println("Creating a manager: Fred Bloggs");
DataObject fVarone = depts.createDataObject("employees");
fVarone.setString("name", "Fred Bloggs");
fVarone.setString("SN", "E0004");
fVarone.setString("manager", "true");
System.out.println("DataObject creation completed");
System.out.println();
}
}
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