Headless EMF compare on Xtext models

java

	/**
	 * Launcher of this application.
	 * 
	 * @param args
	 *            Arguments of the launch.
	 */
	public static void main(String[] args) {
		// Models paths
		String model1 = "path/to/my/model1.ext";
		String model2 = "path/to/my/model2.ext";
		
		// Creates the resourceSets where we'll load the models
		final ResourceSet resourceSet1 = new ResourceSetImpl();
		final ResourceSet resourceSet2 = new ResourceSetImpl();
		
		// Register extensions through xtext setup.
		MyStandaloneSetup.doSetup();
		// For each resourceSet, add the metamodel Package to the registry.
		resourceSet1.getPackageRegistry().put(PodmlPackage.eNS_URI, PodmlPackage.eINSTANCE);
		resourceSet2.getPackageRegistry().put(PodmlPackage.eNS_URI, PodmlPackage.eINSTANCE);
		
		try {
			System.out.println("Loading resources.\n"); //$NON-NLS-1$
			// Loads the two models
			final EObject model1 = ModelUtils.load(new File(scrum1), resourceSet1);
			final EObject model2 = ModelUtils.load(new File(scrum2), resourceSet2);

			// Creates the match then the diff model for those two models
			System.out.println("Matching models.\n"); //$NON-NLS-1$
			final MatchModel match = MatchService.doMatch(model2, model1, Collections
					.<String, Object> emptyMap());
			System.out.println("Differencing models.\n"); //$NON-NLS-1$
			final DiffModel diff = DiffService.doDiff(match, false);
			
			// Then print the diffs
			for (DiffElement diffElement : diff.getDifferences()) {
				System.out.println(diffElement);
			}
		} catch (final IOException e) {
			// shouldn't be thrown
			e.printStackTrace();
		} catch (final InterruptedException e) {
			e.printStackTrace();
		}
	}