examples/org.eclipse.epsilon.eugenia.examples.friends.tests/src/friends/tests/FriendsExample.java

/*******************************************************************************
 * Copyright (c) 2009 The University of York.
 * This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License 2.0
 * which is available at https://www.eclipse.org/legal/epl-2.0/
 * 
 * Contributors:
 *     Dimitrios Kolovos - initial API and implementation
 ******************************************************************************/
/**
 * <copyright>
 * </copyright>
 *
 * $Id$
 */
package friends.tests;

import friends.FriendsFactory;
import friends.FriendsPackage;
import friends.World;

import java.io.File;
import java.io.IOException;

import org.eclipse.emf.common.util.Diagnostic;
import org.eclipse.emf.common.util.URI;

import org.eclipse.emf.ecore.EObject;

import org.eclipse.emf.ecore.resource.Resource;
import org.eclipse.emf.ecore.resource.ResourceSet;

import org.eclipse.emf.ecore.resource.impl.ResourceSetImpl;

import org.eclipse.emf.ecore.util.Diagnostician;

import org.eclipse.emf.ecore.xmi.impl.XMIResourceFactoryImpl;

/**
 * <!-- begin-user-doc -->
 * A sample utility for the '<em><b>friends</b></em>' package.
 * <!-- end-user-doc -->
 * @generated
 */
public class FriendsExample {
	/**
   * <!-- begin-user-doc -->
	 * Load all the argument file paths or URIs as instances of the model.
	 * <!-- end-user-doc -->
   * @param args the file paths or URIs.
   * @generated
   */
	public static void main(String[] args) {
    // Create a resource set to hold the resources.
    //
    ResourceSet resourceSet = new ResourceSetImpl();
    
    // Register the appropriate resource factory to handle all file extensions.
    //
    resourceSet.getResourceFactoryRegistry().getExtensionToFactoryMap().put
      (Resource.Factory.Registry.DEFAULT_EXTENSION, 
       new XMIResourceFactoryImpl());

    // Register the package to ensure it is available during loading.
    //
    resourceSet.getPackageRegistry().put
      (FriendsPackage.eNS_URI, 
       FriendsPackage.eINSTANCE);
        
    // If there are no arguments, emit an appropriate usage message.
    //
    if (args.length == 0)
    {
      System.out.println("Enter a list of file paths or URIs that have content like this:");
      try
      {
        Resource resource = resourceSet.createResource(URI.createURI("http:///My.friends"));
        World root = FriendsFactory.eINSTANCE.createWorld();
        resource.getContents().add(root);
        resource.save(System.out, null);
      }
      catch (IOException exception) 
      {
        exception.printStackTrace();
      }
    }
    else
    {
      // Iterate over all the arguments.
      //
      for (int i = 0; i < args.length; ++i)
      {
        // Construct the URI for the instance file.
        // The argument is treated as a file path only if it denotes an existing file.
        // Otherwise, it's directly treated as a URL.
        //
        File file = new File(args[i]);
        URI uri = file.isFile() ? URI.createFileURI(file.getAbsolutePath()): URI.createURI(args[i]);

        try
        {
          // Demand load resource for this file.
          //
          Resource resource = resourceSet.getResource(uri, true);
          System.out.println("Loaded " + uri);

          // Validate the contents of the loaded resource.
          //
          for (EObject eObject : resource.getContents())
          {
            Diagnostic diagnostic = Diagnostician.INSTANCE.validate(eObject);
            if (diagnostic.getSeverity() != Diagnostic.OK)
            {
              printDiagnostic(diagnostic, "");
            }
          }
        }
        catch (RuntimeException exception) 
        {
          System.out.println("Problem loading " + uri);
          exception.printStackTrace();
        }
      }
    }
  }
	
	/**
   * <!-- begin-user-doc -->
	 * Prints diagnostics with indentation.
	 * <!-- end-user-doc -->
   * @param diagnostic the diagnostic to print.
   * @param indent the indentation for printing.
   * @generated
   */
	protected static void printDiagnostic(Diagnostic diagnostic, String indent) {
    System.out.print(indent);
    System.out.println(diagnostic.getMessage());
    for (Diagnostic child : diagnostic.getChildren())
    {
      printDiagnostic(child, indent + "  ");
    }
  }

} //FriendsExample