Java Code Examples for com.google.gwt.core.ext.typeinfo.JParameterizedType#getTypeArgs()

private String typeAsString(JType type, boolean translatePrimitives) {
	StringBuilder sb = new StringBuilder();
	if (translatePrimitives && type instanceof JPrimitiveType) {
		sb.append(((JPrimitiveType) type).getQualifiedBoxedSourceName());
	} else {
		sb.append(type.getSimpleSourceName());
		if (type instanceof JParameterizedType) {
			JParameterizedType parameterizedType = (JParameterizedType) type;
			sb.append("<");
			int i = 0;
			for (JType paramType : parameterizedType.getTypeArgs()) {
				if (i++ > 0) {
					sb.append(", ");
				}
				sb.append(this.typeAsString(paramType, false));
			}
			sb.append(">");
		}
	}
	return sb.toString();
}
 

private void collectImports() {
	Collection<JType> toImports = Sets.newHashSet();
	for (JMethod method : this.serviceType.getOverridableMethods()) {
		toImports.add(method.getReturnType());
		for (JParameter parameter : method.getParameters()) {
			toImports.add(parameter.getType());
		}
	}
	this.imports.addAll(toImports);
	for (JType importType : this.imports) {
		if (importType instanceof JParameterizedType) {
			JParameterizedType parameterizedType = (JParameterizedType) importType;
			for (JType paramType : parameterizedType.getTypeArgs()) {
				toImports.add(paramType);
			}
		}
	}
	this.imports.addAll(toImports);
}
 

@Override
public void initComposer(ClassSourceFileComposerFactory composerFactory) {
	composerFactory.addImport(Place.class.getName());
	composerFactory.addImport(Presenter.class.getName());
	for (JMethod presenterMethod : this.presenterMethods) {
		if (presenterMethod.getParameters().length > 0) {
			JType placeType = presenterMethod.getParameters()[0].getType();
			composerFactory.addImport(placeType.getQualifiedSourceName());
			if (placeType instanceof JParameterizedType) {
				JParameterizedType parameterizedType = (JParameterizedType) placeType;
				for (JType paramType : parameterizedType.getTypeArgs()) {
					composerFactory.addImport(paramType.getQualifiedSourceName());
				}
			}
		}
	}

	composerFactory.addImplementedInterface(Presenter.class.getSimpleName());
	composerFactory.addImport(AcceptsOneWidget.class.getName());
}
 

public InitializeFormCreator(JField modelField) {
	this.modelField = modelField;
	this.fieldType = modelField.getType();

	Initialize initializeAnnotation = modelField.getAnnotation(Initialize.class);
	this.constantClassName = initializeAnnotation.constantsClass();
	if (ConstantsWithLookup.class.equals(this.constantClassName)) {
		this.constantClassName = null;
	}
	if (this.fieldType instanceof JParameterizedType) {
		JParameterizedType paramType = (JParameterizedType) this.fieldType;
		this.beanType = paramType.getTypeArgs()[0];
	} else {
		throw new RuntimeException("modelField can not be injected as Model");
	}
}
 

public UiBinderLocalizedCreator(JClassType binderType, GwtLocale locale) {
	this.binderType = binderType;
	this.locale = locale;

	for (JClassType interfaceType : binderType.getImplementedInterfaces()) {
		if (interfaceType.getQualifiedSourceName().equals(UiBinderLocalized.class.getCanonicalName())
			&& interfaceType instanceof JParameterizedType) {
			JParameterizedType paramType = (JParameterizedType) interfaceType;
			this.widgetType = paramType.getTypeArgs()[0];
			this.targetType = paramType.getTypeArgs()[1];
		}
	}
	UiTemplate templateAnnotation = binderType.getAnnotation(UiTemplate.class);
	if (templateAnnotation != null) {
		this.templateName = templateAnnotation.value().replace(UiBinderLocalizedCreator.TEMPLATE_SUFFIX, "");
	}
	if (this.templateName == null) {
		this.templateName = this.targetType.getSimpleSourceName();
	}
}
 

private String typeAsString(JType type, boolean translatePrimitives) {
	StringBuilder sb = new StringBuilder();
	if (translatePrimitives && type instanceof JPrimitiveType) {
		sb.append(((JPrimitiveType) type).getQualifiedBoxedSourceName());
	} else {
		sb.append(type.getSimpleSourceName());
		if (type instanceof JParameterizedType) {
			JParameterizedType parameterizedType = (JParameterizedType) type;
			sb.append("<");
			int i = 0;
			for (JType paramType : parameterizedType.getTypeArgs()) {
				if (i++ > 0) {
					sb.append(", ");
				}
				sb.append(this.typeAsString(paramType, false));
			}
			sb.append(">");
		}
	}
	return sb.toString();
}
 

private void collectImports() {
	Collection<JType> toImports = Sets.newHashSet();
	for (JMethod method : this.serviceType.getOverridableMethods()) {
		toImports.add(method.getReturnType());
		for (JParameter parameter : method.getParameters()) {
			toImports.add(parameter.getType());
		}
	}
	this.imports.addAll(toImports);
	for (JType importType : this.imports) {
		if (importType instanceof JParameterizedType) {
			JParameterizedType parameterizedType = (JParameterizedType) importType;
			for (JType paramType : parameterizedType.getTypeArgs()) {
				toImports.add(paramType);
			}
		}
	}
	this.imports.addAll(toImports);
}
 

public InjectModelCreator(JField modelField) {
	this.modelField = modelField;
	this.fieldType = modelField.getType();

	if (this.fieldType instanceof JParameterizedType) {
		JParameterizedType paramType = (JParameterizedType) this.fieldType;
		this.beanType = paramType.getTypeArgs()[0];
	} else {
		throw new RuntimeException("modelField can not be injected as Model");
	}
}
 

/**
 * Extract the parameter's type.
 *
 * @param clazz the name of the interface
 * @param parameterizedType the parameterized type
 *
 * @return the extracted type
 * @throws UnableToCompleteException if the type contains zero or more than one parameter
 */
private JClassType extractParameterizedType( String clazz, JParameterizedType parameterizedType ) throws UnableToCompleteException {
    if ( parameterizedType == null ) {
        logger.log( TreeLogger.Type.ERROR, "Expected the " + clazz + " declaration to specify a parameterized type." );
        throw new UnableToCompleteException();
    }
    JClassType[] typeParameters = parameterizedType.getTypeArgs();
    if ( typeParameters == null || typeParameters.length != 1 ) {
        logger.log( TreeLogger.Type.ERROR, "Expected the " + clazz + " declaration to specify 1 parameterized type." );
        throw new UnableToCompleteException();
    }
    return typeParameters[0];
}
 

@Override
public String generate(TreeLogger logger, GeneratorContext context,
		String requestedClass) throws UnableToCompleteException {

	TypeOracle typeOracle = context.getTypeOracle();

	JClassType objectType = typeOracle.findType(requestedClass);
	if (objectType == null) {
		logger.log(TreeLogger.ERROR, "Could not find type: " + requestedClass);
		throw new UnableToCompleteException();
	}

	implTypeName = objectType.getSimpleSourceName() + "Impl";

	implPackageName = objectType.getPackage().getName();

	JClassType[] implementedTypes = objectType.getImplementedInterfaces();

	// Can only implement one interface
	if (implementedTypes == null
			|| implementedTypes.length != 1
			|| !implementedTypes[0].getQualifiedSourceName().equals(
					TextBinder.class.getName())) {
		logger
		.log(
				TreeLogger.ERROR,
				"The type: " + requestedClass
				+ " Must implement only one interface: "
				+ TextBinder.class.getName());
		throw new UnableToCompleteException();
	}

	// Get parameterized type
	JParameterizedType parameterType = implementedTypes[0].isParameterized();
	if (parameterType == null) {
		logger.log(TreeLogger.ERROR, "The type: " + requestedClass
				+ " Must implement only one parameterized interface: "
				+ TextBinder.class.getName());
		throw new UnableToCompleteException();
	}

	if (parameterType.getTypeArgs() == null

			|| parameterType.getTypeArgs().length != 2) {
		logger.log(TreeLogger.ERROR,
				"The type: " + requestedClass
				+ " Must implement two parameterized interface: "
				+ TextBinder.class.getName() + " with two Parameter");
		throw new UnableToCompleteException();

	}

	parameterizedType1 = parameterType.getTypeArgs()[0];
	parameterizedType2 = parameterType.getTypeArgs()[1];
	// logger.log(TreeLogger.INFO ,
	// parameterizedType2.getParameterizedQualifiedSourceName() +"\n"
	// + parameterizedType2.getQualifiedSourceName());

	ClassSourceFileComposerFactory composerFactory = new ClassSourceFileComposerFactory(
			implPackageName, implTypeName);

	composerFactory.addImport(Map.class.getCanonicalName());
	composerFactory.addImport(List.class.getCanonicalName());
	// composerFactory.addImport(Field.class.getCanonicalName());
	composerFactory
	.addImplementedInterface(objectType.getQualifiedSourceName());

	PrintWriter printWriter = context.tryCreate(logger, implPackageName,
			implTypeName);
	if (printWriter != null) {

		SourceWriter sourceWriter = composerFactory.createSourceWriter(context,
				printWriter);

		composeBindMethod(logger, sourceWriter);
		composeSyncMethod(logger, sourceWriter);
		sourceWriter.commit(logger);

	}
	return implPackageName + "." + implTypeName;
}
 

private void generateStaticInitializer(TreeLogger logger, SourceWriter srcWriter) {

		srcWriter.println("protected static final Map<String, PropertyDescription> PROPERTIES = Maps.newHashMap();");
		srcWriter.println("static{");
		srcWriter.indent();

		for (String propertyName : this.propertyTypes.keySet()) {
			JType propertyType = this.propertyTypes.get(propertyName);
			String simplePropertyTypeName = propertyType.getSimpleSourceName();
			String modelName = this.subModels.get(propertyType);
			if (modelName != null) {
				modelName += ".INSTANCE";
			}

			try {
				if (propertyType.isPrimitive() == null) {
					Class<?> propertyClass = Class.forName(propertyType.getQualifiedSourceName());

					if (Collection.class.isAssignableFrom(propertyClass)) {
						JParameterizedType parametrizedType = propertyType.isParameterized();
						JType subType = propertyType;
						if (parametrizedType != null) {
							subType = parametrizedType.getTypeArgs()[0];
							String submodelName = this.subModels.get(subType);
							if (submodelName != null) {
								submodelName += ".INSTANCE";
							} else {
								submodelName = subType.getSimpleSourceName() + ".class";
							}
							modelName =
								String.format("new ModelCollection<%s>(%s.class, %s)",
									subType.getSimpleSourceName(), propertyType.getSimpleSourceName(), submodelName);
						} else {
							logger.branch(Type.WARN, String.format(
								"Property [%s] on bean %s is a raw collection type. You cannot use it on editors.",
								propertyName, this.beanType.getQualifiedSourceName()));
							modelName = "new ModelCollection((Model) null)";
						}
					}
				}
			} catch (ClassNotFoundException e) {
				logger.branch(Type.WARN, String.format(
					"%s class not found.", propertyType.getQualifiedSourceName()));
			}
			Boolean getter = this.getters.containsKey(propertyName);
			Boolean setter = this.setters.containsKey(propertyName);

			srcWriter.print("PROPERTIES.put(\"%s\", newPropertyDescription(\"%s\", %s.class, %s, %s, %s", propertyName,
				propertyName, simplePropertyTypeName, modelName, getter, setter);
			this.generateValidators(srcWriter, propertyName);
			srcWriter.println("));");
		}
		srcWriter.outdent();
		srcWriter.println("}");

		srcWriter.println("protected Map<String, PropertyDescription> getProperties(){");
		srcWriter.println("	return PROPERTIES;");
		srcWriter.println("}");
	}
 

/**
 * <p>replaceType</p>
 *
 * @param logger a {@link com.google.gwt.core.ext.TreeLogger} object.
 * @param type a {@link com.google.gwt.core.ext.typeinfo.JType} object.
 * @param deserializeAs a {@link java.lang.annotation.Annotation} object.
 * @return a {@link com.google.gwt.core.ext.typeinfo.JType} object.
 * @throws com.google.gwt.core.ext.UnableToCompleteException if any.
 */
public JType replaceType( TreeLogger logger, JType type, Annotation deserializeAs ) throws UnableToCompleteException {
    JClassType classType = type.isClassOrInterface();
    if ( null == classType ) {
        return type;
    }

    Optional<JClassType> typeAs = getClassFromJsonDeserializeAnnotation( logger, deserializeAs, "as" );
    Optional<JClassType> keyAs = getClassFromJsonDeserializeAnnotation( logger, deserializeAs, "keyAs" );
    Optional<JClassType> contentAs = getClassFromJsonDeserializeAnnotation( logger, deserializeAs, "contentAs" );

    if ( !typeAs.isPresent() && !keyAs.isPresent() && !contentAs.isPresent() ) {
        return type;
    }

    JArrayType arrayType = type.isArray();
    if ( null != arrayType ) {
        if ( contentAs.isPresent() ) {
            return typeOracle.getArrayType( contentAs.get() );
        } else if ( typeAs.isPresent() ) {
            return typeOracle.getArrayType( typeAs.get() );
        } else {
            return classType;
        }
    }

    JParameterizedType parameterizedType = type.isParameterized();
    if ( null != parameterizedType ) {
        JGenericType genericType;
        if ( typeAs.isPresent() ) {
            genericType = typeAs.get().isGenericType();
        } else {
            genericType = parameterizedType.getBaseType();
        }

        if ( !keyAs.isPresent() && !contentAs.isPresent() ) {
            return typeOracle.getParameterizedType( genericType, parameterizedType.getTypeArgs() );
        } else if ( contentAs.isPresent() && isIterable( parameterizedType ) ) {
            return typeOracle.getParameterizedType( genericType, new JClassType[]{contentAs.get()} );
        } else if ( isMap( parameterizedType ) ) {
            JClassType key;
            if ( keyAs.isPresent() ) {
                key = keyAs.get();
            } else {
                key = parameterizedType.getTypeArgs()[0];
            }

            JClassType content;
            if ( contentAs.isPresent() ) {
                content = contentAs.get();
            } else {
                content = parameterizedType.getTypeArgs()[1];
            }

            return typeOracle.getParameterizedType( genericType, new JClassType[]{key, content} );
        }
    }

    if ( typeAs.isPresent() ) {
        return typeAs.get();
    }

    return type;
}