Examples with TypeFactory spoon.reflect.factory.TypeFactory used on opensource projects

Example 1 with TypeFactory

use of spoon.reflect.factory.TypeFactory in project spoon by INRIA.

the class FieldFactoryTest method testCreateFromSource.

@Test
public void testCreateFromSource() throws Exception {
    CtClass<?> target = build("spoon.test.testclasses", "SampleClass");
    Factory factory = build(Foo.class, Bar.class, SuperClass.class);
    final CtClass<Object> type = factory.Class().get(Foo.class);
    CtField<?> source = type.getField("i");
    FieldFactory ff = type.getFactory().Field();
    TypeFactory tf = type.getFactory().Type();
    ff.create(target, source);
    CtField<?> field = target.getField("i");
    Assert.assertEquals("i", field.getSimpleName());
    CtTypeReference<?> tref = tf.createReference("int");
    Assert.assertEquals(tref, field.getType());
    CtElement parent = field.getParent();
    Assert.assertTrue(parent instanceof CtClass<?>);
    Assert.assertEquals("SampleClass", ((CtClass<?>) parent).getSimpleName());
}

Example 2 with TypeFactory

use of spoon.reflect.factory.TypeFactory in project spoon by INRIA.

the class ReferenceQueryTest method getAllTypeReferencesInEnum.

@Test
public void getAllTypeReferencesInEnum() throws Exception {
    CtEnum<ReferenceQueryTestEnum> testEnum = build("spoon.test.reflect.visitor", "ReferenceQueryTestEnum");
    List<CtTypeReference<?>> enumTypeRefs = Query.getElements(testEnum, new ReferenceTypeFilter<CtTypeReference<?>>(CtTypeReference.class));
    TypeFactory typeFactory = testEnum.getFactory().Type();
    for (Class<?> c : new Class<?>[] { Integer.class, Long.class, Boolean.class, Number.class, String.class, Void.class }) {
        Assert.assertTrue("the reference query on the enum should return all the types defined in the enum declaration", enumTypeRefs.contains(typeFactory.createReference(c)));
    }
}

Example 3 with TypeFactory

use of spoon.reflect.factory.TypeFactory in project spoon by INRIA.

the class FieldFactoryTest method testCreate.

@Test
public void testCreate() throws Exception {
    CtClass<?> type = build("spoon.test.testclasses", "SampleClass");
    FieldFactory ff = type.getFactory().Field();
    TypeFactory tf = type.getFactory().Type();
    Set<ModifierKind> mods = new HashSet<ModifierKind>();
    mods.add(ModifierKind.PRIVATE);
    CtTypeReference<?> tref = tf.createReference(String.class);
    ff.create(type, mods, tref, "name");
    CtField<?> field = type.getField("name");
    Assert.assertEquals("name", field.getSimpleName());
    Assert.assertEquals(tref, field.getType());
    CtElement parent = field.getParent();
    Assert.assertTrue(parent instanceof CtClass<?>);
    Assert.assertEquals("SampleClass", ((CtClass<?>) parent).getSimpleName());
}

Example 4 with TypeFactory

use of spoon.reflect.factory.TypeFactory in project spoon by INRIA.

the class TypeFactoryTest method reflectionAPI.

@Test
public void reflectionAPI() throws Exception {
    // Spoon can be used as reflection API
    CtType s = new TypeFactory().get(String.class);
    assertEquals("String", s.getSimpleName());
    assertEquals("java.lang.String", s.getQualifiedName());
    assertEquals(3, s.getSuperInterfaces().size());
    assertEquals(2, s.getMethodsByName("toLowerCase").size());
}

Example 5 with TypeFactory

use of spoon.reflect.factory.TypeFactory in project spoon by INRIA.

the class ContextBuilder method getVariableDeclaration.

@SuppressWarnings("unchecked")
private <T, U extends CtVariable<T>> U getVariableDeclaration(final String name, final Class<U> clazz) {
    final CoreFactory coreFactory = jdtTreeBuilder.getFactory().Core();
    final TypeFactory typeFactory = jdtTreeBuilder.getFactory().Type();
    final ClassFactory classFactory = jdtTreeBuilder.getFactory().Class();
    final InterfaceFactory interfaceFactory = jdtTreeBuilder.getFactory().Interface();
    final FieldFactory fieldFactory = jdtTreeBuilder.getFactory().Field();
    final ReferenceBuilder referenceBuilder = jdtTreeBuilder.getReferencesBuilder();
    final Environment environment = jdtTreeBuilder.getFactory().getEnvironment();
    // there is some extra work to do if we are looking for CtFields (and subclasses)
    final boolean lookingForFields = clazz == null || coreFactory.createField().getClass().isAssignableFrom(clazz);
    // try to find the variable on stack beginning with the most recent element
    for (final ASTPair astPair : stack) {
        // the variable may have been declared directly by one of these elements
        final ScopeRespectingVariableScanner<U> scanner = new ScopeRespectingVariableScanner(name, clazz);
        astPair.element.accept(scanner);
        if (scanner.getResult() != null) {
            return scanner.getResult();
        }
        // the variable may have been declared in a super class/interface
        if (lookingForFields && astPair.node instanceof TypeDeclaration) {
            final TypeDeclaration nodeDeclaration = (TypeDeclaration) astPair.node;
            final Deque<ReferenceBinding> referenceBindings = new ArrayDeque<>();
            // add super class if any
            if (nodeDeclaration.superclass != null && nodeDeclaration.superclass.resolvedType instanceof ReferenceBinding) {
                referenceBindings.push((ReferenceBinding) nodeDeclaration.superclass.resolvedType);
            }
            // add interfaces if any
            if (nodeDeclaration.superInterfaces != null) {
                for (final TypeReference tr : nodeDeclaration.superInterfaces) {
                    if (tr.resolvedType instanceof ReferenceBinding) {
                        referenceBindings.push((ReferenceBinding) tr.resolvedType);
                    }
                }
            }
            while (!referenceBindings.isEmpty()) {
                final ReferenceBinding referenceBinding = referenceBindings.pop();
                for (final FieldBinding fieldBinding : referenceBinding.fields()) {
                    if (name.equals(new String(fieldBinding.readableName()))) {
                        final String qualifiedNameOfParent = new String(referenceBinding.readableName());
                        final CtType parentOfField = referenceBinding.isClass() ? classFactory.create(qualifiedNameOfParent) : interfaceFactory.create(qualifiedNameOfParent);
                        U field = (U) fieldFactory.create(parentOfField, EnumSet.noneOf(ModifierKind.class), referenceBuilder.getTypeReference(fieldBinding.type), name);
                        return field.setExtendedModifiers(JDTTreeBuilderQuery.getModifiers(fieldBinding.modifiers, true, false));
                    }
                }
                // add super class if any
                final ReferenceBinding superclass = referenceBinding.superclass();
                if (superclass != null) {
                    referenceBindings.push(superclass);
                }
                // add interfaces if any
                final ReferenceBinding[] interfaces = referenceBinding.superInterfaces();
                if (interfaces != null) {
                    for (ReferenceBinding rb : interfaces) {
                        referenceBindings.push(rb);
                    }
                }
            }
        }
    }
    // the variable may have been imported statically from another class/interface
    if (lookingForFields) {
        final CtReference potentialReferenceToField = referenceBuilder.getDeclaringReferenceFromImports(name.toCharArray());
        if (potentialReferenceToField != null && potentialReferenceToField instanceof CtTypeReference) {
            final CtTypeReference typeReference = (CtTypeReference) potentialReferenceToField;
            try {
                final Class classOfType = typeReference.getActualClass();
                if (classOfType != null) {
                    final CtType declaringTypeOfField = typeReference.isInterface() ? interfaceFactory.get(classOfType) : classFactory.get(classOfType);
                    final CtField field = declaringTypeOfField.getField(name);
                    if (field != null) {
                        return (U) field;
                    }
                }
            } catch (final SpoonClassNotFoundException scnfe) {
                // field that has been imported statically from another class (or interface).
                if (environment.getNoClasspath()) {
                    // assume a constant value according to JLS.
                    if (name.toUpperCase().equals(name)) {
                        final CtType parentOfField = classFactory.create(typeReference.getQualifiedName());
                        // it is the best thing we can do
                        final CtField field = coreFactory.createField();
                        field.setParent(parentOfField);
                        field.setSimpleName(name);
                        // it is the best thing we can do
                        field.setType(typeFactory.nullType());
                        return (U) field;
                    }
                }
            }
        }
    }
    return null;
}