Package com.google.gwt.core.ext.typeinfo

Examples of com.google.gwt.core.ext.typeinfo.TypeOracle

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public class SerializerGenerator extends GeneratorExt {
 
  @Override
  public RebindResult generateIncrementally(TreeLogger logger, GeneratorContextExt context, String typeName) throws UnableToCompleteException {
   
    TypeOracle typeOracle = context.getTypeOracle();
   
    // Create the CometSerializer impl
    String packageName = "comet";
    String className = typeName.replace('.', '_') + "Impl";
    PrintWriter printWriter = context.tryCreate(logger, packageName, className);
   
    if (printWriter != null) {
     
      try {
        JClassType type = typeOracle.getType(typeName);
        SerialTypes annotation = type.getAnnotation(SerialTypes.class);
        if (annotation == null) {
          logger.log(TreeLogger.ERROR, "No SerialTypes annotation on CometSerializer type: " + typeName);
          throw new UnableToCompleteException();
        }
       
        SerializableTypeOracleBuilder typesSentToBrowserBuilder = new SerializableTypeOracleBuilder(
                        logger, context.getPropertyOracle(), context);
        SerializableTypeOracleBuilder typesSentFromBrowserBuilder = new SerializableTypeOracleBuilder(
                        logger, context.getPropertyOracle(), context);
       
        for (Class<? extends Serializable> serializable : annotation.value()) {
          int rank = 0;
          if (serializable.isArray()) {
            while(serializable.isArray()) {
              serializable = (Class<? extends Serializable>) serializable.getComponentType();
              rank++;
            }
          }
           
          JType resolvedType = typeOracle.getType(serializable.getCanonicalName());
          while (rank > 0) {
            resolvedType = typeOracle.getArrayType(resolvedType);
            rank--;
          }
         
          typesSentToBrowserBuilder.addRootType(logger, resolvedType);
                    typesSentFromBrowserBuilder.addRootType(logger, resolvedType);
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  @Override
  public String generate(TreeLogger logger, GeneratorContext context,
      String typeName) throws UnableToCompleteException {

    // The TypeOracle knows about all types in the type system
    TypeOracle typeOracle = context.getTypeOracle();

    // Get a reference to the type that the generator should implement
    JClassType sourceType = typeOracle.findType(typeName);

    // Ensure that the requested type exists
    if (sourceType == null) {
      logger.log(TreeLogger.ERROR, "Could not find requested typeName", null);
      throw new UnableToCompleteException();
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  @Override
  public String generate(TreeLogger logger, GeneratorContext context,
      String typeName) throws UnableToCompleteException {

    // The TypeOracle knows about all types in the type system
    TypeOracle typeOracle = context.getTypeOracle();

    // Get a reference to the type that the generator should implement
    JClassType sourceType = typeOracle.findType(typeName);

    // Ensure that the requested type exists
    if (sourceType == null) {
      logger.log(TreeLogger.ERROR, "Could not find requested typeName", null);
      throw new UnableToCompleteException();
    }

    // Make sure the UserPreferences type is correctly defined
    validateType(logger, sourceType);

    // Pick a name for the generated class to not conflict.
    String generatedSimpleSourceName = sourceType.getSimpleSourceName()
        + "UserPreferencesImpl";

    // Begin writing the generated source.
    ClassSourceFileComposerFactory f = new ClassSourceFileComposerFactory(
        sourceType.getPackage().getName(), generatedSimpleSourceName);
    f.addImport(GWT.class.getName());
    f.addImport(PreferencesUtil.class.getName());
    f.addImplementedInterface(typeName);

    // All source gets written through this Writer
    PrintWriter out = context.tryCreate(logger,
        sourceType.getPackage().getName(), generatedSimpleSourceName);

    // If an implementation already exists, we don't need to do any work
    if (out != null) {
      JClassType preferenceType = typeOracle.findType(Preference.class.getName().replace('$', '.'));
      assert preferenceType != null;

      // We really use a SourceWriter since it's convenient
      SourceWriter sw = f.createSourceWriter(context, out);
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  public final String generate(TreeLogger logger, GeneratorContext context,
      String typeName) throws UnableToCompleteException {

    // The TypeOracle knows about all types in the type system
    final TypeOracle typeOracle = context.getTypeOracle();

    // Get a reference to the type that the generator should implement
    final JClassType sourceType = typeOracle.findType(typeName);

    // Ensure that the requested type exists
    if (sourceType == null) {
      logger.log(TreeLogger.ERROR, "Could not find requested typeName", null);
      throw new UnableToCompleteException();
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        "Writing binding function", null);
    context = new FragmentGeneratorContext(context);
    context.parentLogger = logger;

    SourceWriter sw = context.sw;
    TypeOracle typeOracle = context.typeOracle;
    Binding bindingAnnotation = JSWrapperGenerator.hasTag(logger, binding,
        Binding.class);

    // Write the java half to add assertions to the code. These will be elided
    // in web mode, and the method become a pure delegation, allowing it to
    // be removed completely
    sw.print("public void ");
    sw.print(binding.getName());
    sw.print("(");
    JParameter[] params = binding.getParameters();

    context.parameterName = "jso";
    sw.print(params[0].getType().getQualifiedSourceName());
    sw.print(" ");
    sw.print(context.parameterName);

    JClassType bindingType = null;
    if (params.length == 2) {
      // Infer the binding type from the second parameter of the binding
      // method.
      bindingType = params[1].getType().isClassOrInterface();
      context.objRef = "obj";

      sw.print(", ");
      sw.print(bindingType.getQualifiedSourceName());
      sw.print(" ");
      sw.print(context.objRef);
    } else if (bindingAnnotation != null
        && bindingAnnotation.value().length() > 0) {
      // Use the binding type specified in the the gwt.binding annotation.
      bindingType = typeOracle.findType(bindingAnnotation.value());
      if (bindingType == null) {
        logger.log(TreeLogger.ERROR, "Could not resolve binding type "
            + bindingType, null);
        throw new UnableToCompleteException();
      }
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  void toJS(FragmentGeneratorContext context) throws UnableToCompleteException {
    TreeLogger logger = context.parentLogger.branch(TreeLogger.DEBUG,
        "Writing function() wrapper for JSFunction", null);

    SourceWriter sw = context.sw;
    TypeOracle typeOracle = context.typeOracle;
    JClassType functionClass = context.returnType.isClassOrInterface();

    if (functionClass.equals(typeOracle.findType(JSFunction.class.getName()))) {
      logger.log(TreeLogger.ERROR, "You must use a subinterface of JSFunction"
          + " so that the generator can extract a method signature.", null);
      throw new UnableToCompleteException();
    }
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      throws UnableToCompleteException {
    TreeLogger logger = context.parentLogger.branch(TreeLogger.DEBUG,
        "Building value getter statement", null);

    SourceWriter sw = context.sw;
    TypeOracle typeOracle = context.typeOracle;
    JClassType returnType = context.returnType.isClassOrInterface();

    // Don't use "x || null" expression because the value may be boolean false
    sw.print("(");
    sw.print(context.parameterName);
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   */
  public final String generate(TreeLogger logger, GeneratorContext context,
      java.lang.String typeName) throws UnableToCompleteException {

    // The TypeOracle knows about all types in the type system
    final TypeOracle typeOracle = context.getTypeOracle();

    // Get a reference to the type that the generator should implement
    final JClassType sourceType = typeOracle.findType(typeName);

    // Ensure that the requested type exists
    if (sourceType == null) {
      logger.log(TreeLogger.ERROR, "Could not find requested typeName", null);
      throw new UnableToCompleteException();
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   */
  protected void writeBoilerplate(TreeLogger logger,
      FragmentGeneratorContext context) throws UnableToCompleteException {

    SourceWriter sw = context.sw;
    TypeOracle typeOracle = context.typeOracle;
    JType returnType = context.returnType;

    // The backing object
    sw.print("private JavaScriptObject ");
    sw.print(OBJ);
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  protected void writeGetter(FragmentGeneratorContext context, JMethod getter)
      throws UnableToCompleteException {

    TreeLogger logger = context.parentLogger.branch(TreeLogger.DEBUG,
        "Writing getter " + getter.getName(), null);
    TypeOracle typeOracle = context.typeOracle;
    SourceWriter sw = context.sw;

    final JType returnType = getter.getReturnType();

    FragmentGenerator fragmentGenerator = FRAGMENT_ORACLE.findFragmentGenerator(
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