EMFJSON Usage

setup.java

ResourceSet resourceSet = new ResourceSetImpl();
Resource.Factory.Registry.INSTANCE.getExtensionToFactoryMap().put("json", new JsResourceFactoryImpl());

//
// Then create an object and add it to a resource. 
// Give the resource a URI that will be path to the resulting json file.
//

Resource resource = resourceSet.createResource(URI.createURI("model.json"));
Map<String, Object> options = new HashMap<String, Object>();
options.put(EMFJs.OPTION_INDENT_OUTPUT, true);
options.put(EMFJs.OPTION_SERIALIZE_TYPE, false);

LibraryShelf aShelf = LibraryFactory.eINSTANCE.createLibraryShelf();
aShelf.setName("My Shelf");

Book aBook = LibraryFactory.eINSTANCE.createBook();
aBook.setTitle("EMF: Eclipse Modeling Framework (2nd Edition)");
aBook.setNumPages(739);
aShelf.getItems().add(aBook);

resource.getContents().add(aShelf);

//
// The resource will be saved as JSON
//
resource.save(options);