org.eclipse.xtext.serializer.ISerializer Java Examples

/**
 * Serializes the given {@link JSONDocument} using the Xtext serialization facilities provided by the JSON language.
 */
public static String serializeJSON(JSONDocument document) {
	ISerializer jsonSerializer = N4LanguageUtils.getServiceForContext(FILE_EXTENSION, ISerializer.class).get();
	ResourceSet resourceSet = N4LanguageUtils.getServiceForContext(FILE_EXTENSION, ResourceSet.class).get();

	// Use temporary Resource as AbstractFormatter2 implementations can only format
	// semantic elements that are contained in a Resource.
	Resource temporaryResource = resourceSet.createResource(URIUtils.toFileUri("__synthetic." + FILE_EXTENSION));
	temporaryResource.getContents().add(document);

	// create string writer as serialization output
	StringWriter writer = new StringWriter();

	// enable formatting as serialization option
	SaveOptions serializerOptions = SaveOptions.newBuilder().format().getOptions();
	try {
		jsonSerializer.serialize(document, writer, serializerOptions);
		return writer.toString();
	} catch (IOException e) {
		throw new RuntimeException("Failed to serialize JSONDocument " + document, e);
	}
}
 

@Test public void testSerialize_02() throws Exception {
	Resource resource = newResource("'foo' as String");
	XCastedExpression casted = (XCastedExpression) resource.getContents().get(0);
	
	XbaseFactory factory = XbaseFactory.eINSTANCE;
	XIfExpression ifExpression = factory.createXIfExpression();
	ifExpression.setIf(factory.createXBooleanLiteral());
	XStringLiteral stringLiteral = factory.createXStringLiteral();
	stringLiteral.setValue("value");
	ifExpression.setThen(stringLiteral);
	XInstanceOfExpression instanceOfExpression = factory.createXInstanceOfExpression();
	instanceOfExpression.setExpression(ifExpression);
	instanceOfExpression.setType(EcoreUtil.copy(casted.getType()));
	resource.getContents().clear();
	resource.getContents().add(instanceOfExpression);
	ISerializer serializer = get(ISerializer.class);
	String string = serializer.serialize(instanceOfExpression);
	// see https://bugs.eclipse.org/bugs/show_bug.cgi?id=464846
	assertEquals("( if(false) \"value\" ) instanceof String", string);
	
	XInstanceOfExpression parsedExpression = parseHelper.parse(string);
	assertTrue(EcoreUtil.equals(instanceOfExpression, parsedExpression));
}
 

@Override
public Set<Binding> getGuiceBindingsRt(Grammar grammar) {
	BindFactory bf = new BindFactory();
	bf.addTypeToType(ISemanticSequencer.class.getName(), names.getSemanticSequencer().getQualifiedName());
	bf.addTypeToType(ISyntacticSequencer.class.getName(), names.getSyntacticSequencer().getQualifiedName());
	bf.addTypeToType(ISerializer.class.getName(), Serializer.class.getName());
	return bf.getBindings();
}
 

@Override
public void generate() {
  new GuiceModuleAccess.BindingFactory().addTypeToType(TypeReference.typeRef(ISemanticSequencer.class), this.getSemanticSequencerClass(this.getGrammar())).addTypeToType(TypeReference.typeRef(ISyntacticSequencer.class), this.getSyntacticSequencerClass(this.getGrammar())).addTypeToType(TypeReference.typeRef(ISerializer.class), TypeReference.typeRef(Serializer.class)).contributeTo(this.getLanguage().getRuntimeGenModule());
  ManifestAccess _manifest = this.getProjectConfig().getRuntime().getManifest();
  boolean _tripleNotEquals = (_manifest != null);
  if (_tripleNotEquals) {
    Set<String> _exportedPackages = this.getProjectConfig().getRuntime().getManifest().getExportedPackages();
    String _serializerBasePackage = this.getSerializerBasePackage(this.getGrammar());
    _exportedPackages.add(_serializerBasePackage);
    Set<String> _requiredBundles = this.getProjectConfig().getRuntime().getManifest().getRequiredBundles();
    String _xbaseLibVersionLowerBound = this.getProjectConfig().getRuntime().getXbaseLibVersionLowerBound();
    String _plus = ("org.eclipse.xtext.xbase.lib;bundle-version=\"" + _xbaseLibVersionLowerBound);
    String _plus_1 = (_plus + "\"");
    _requiredBundles.add(_plus_1);
  }
  this.generateAbstractSemanticSequencer();
  this.generateAbstractSyntacticSequencer();
  boolean _isGenerateStub = this.isGenerateStub();
  if (_isGenerateStub) {
    this.generateSemanticSequencer();
    this.generateSyntacticSequencer();
  }
  if (this.generateDebugData) {
    this.generateGrammarConstraints();
    Iterable<Pair<String, String>> _generateDebugGraphs = this.debugGraphGenerator.generateDebugGraphs();
    for (final Pair<String, String> fileToContent : _generateDebugGraphs) {
      this.getProjectConfig().getRuntime().getSrcGen().generateFile(fileToContent.getKey(), fileToContent.getValue());
    }
  }
}
 

private ISerializer getSerializer() {
  final String delimiter = this.codeConfig.getLineDelimiter();
  ISerializer result = this.xtextSerializerByLineDelimiter.get(delimiter);
  if ((result != null)) {
    return result;
  }
  final ILineSeparatorInformation _function = () -> {
    return delimiter;
  };
  GrammarAccessExtensions.LineSeparatorModule _lineSeparatorModule = new GrammarAccessExtensions.LineSeparatorModule(_function);
  final Injector injector = Guice.createInjector(_lineSeparatorModule);
  result = injector.<ISerializer>getInstance(ISerializer.class);
  this.xtextSerializerByLineDelimiter.put(delimiter, result);
  return result;
}
 

public Class<? extends ISerializer> bindISerializer() {
	return Serializer.class;
}
 

public Class<? extends ISerializer> bindISerializer() {
	return Serializer.class;
}
 

public Class<? extends ISerializer> bindISerializer() {
	return Serializer.class;
}
 

public Class<? extends ISerializer> bindISerializer() {
	return Serializer.class;
}
 

public Class<? extends ISerializer> bindISerializer() {
	return Serializer.class;
}
 

public Class<? extends ISerializer> bindISerializer() {
	return Serializer.class;
}
 

public Class<? extends ISerializer> bindISerializer() {
	return Serializer.class;
}
 

/**
 * @since 2.9
 */
@Override
public Class<? extends ISerializer> bindISerializer() {
	return Serializer.class;
}
 

public Class<? extends ISerializer> bindISerializer() {
	return Serializer.class;
}
 

public Class<? extends ISerializer> bindISerializer() {
	return Serializer.class;
}
 

public Class<? extends ISerializer> bindISerializer() {
	return Serializer.class;
}
 

public Class<? extends ISerializer> bindISerializer() {
	return Serializer.class;
}
 

public Class<? extends ISerializer> bindISerializer() {
	return Serializer.class;
}
 

public Class<? extends ISerializer> bindISerializer() {
	return Serializer.class;
}
 

public Class<? extends ISerializer> bindISerializer() {
	return Serializer.class;
}
 

public Class<? extends ISerializer> bindISerializer() {
	return Serializer.class;
}
 

public Class<? extends ISerializer> bindISerializer() {
	return Serializer.class;
}
 

public Class<? extends ISerializer> bindISerializer() {
	return Serializer.class;
}
 

public Class<? extends ISerializer> bindISerializer() {
	return Serializer.class;
}
 

public Class<? extends ISerializer> bindISerializer() {
	return Serializer.class;
}
 

public Class<? extends ISerializer> bindISerializer() {
	return Serializer.class;
}
 

public Class<? extends ISerializer> bindISerializer() {
	return Serializer.class;
}
 

public Class<? extends ISerializer> bindISerializer() {
	return Serializer.class;
}
 

public Class<? extends ISerializer> bindISerializer() {
	return Serializer.class;
}
 

public Class<? extends ISerializer> bindISerializer() {
	return Serializer.class;
}