Examples with ParameterizedType java.lang.reflect.ParameterizedType used on opensource projects

Example 61 with ParameterizedType

use of java.lang.reflect.ParameterizedType in project stetho by facebook.

the class ObjectMapper method convertArrayToList.

private List<Object> convertArrayToList(Field field, JSONArray array) throws IllegalAccessException, JSONException {
    if (List.class.isAssignableFrom(field.getType())) {
        ParameterizedType parameterizedType = (ParameterizedType) field.getGenericType();
        Type[] types = parameterizedType.getActualTypeArguments();
        if (types.length != 1) {
            throw new IllegalArgumentException("Only able to handle a single type in a list " + field.getName());
        }
        Class arrayClass = (Class) types[0];
        List<Object> objectList = new ArrayList<Object>();
        for (int i = 0; i < array.length(); ++i) {
            if (arrayClass.isEnum()) {
                objectList.add(getEnumValue(array.getString(i), arrayClass));
            } else if (canDirectlySerializeClass(arrayClass)) {
                objectList.add(array.get(i));
            } else {
                JSONObject jsonObject = array.getJSONObject(i);
                if (jsonObject == null) {
                    objectList.add(null);
                } else {
                    objectList.add(convertValue(jsonObject, arrayClass));
                }
            }
        }
        return objectList;
    } else {
        throw new IllegalArgumentException("only know how to deserialize List<?> on field " + field.getName());
    }
}

Example 62 with ParameterizedType

use of java.lang.reflect.ParameterizedType in project guava by hceylan.

the class TypesTest method testNewParameterizedType.

public void testNewParameterizedType() {
    ParameterizedType jvmType = (ParameterizedType) new TypeCapture<HashMap<String, int[][]>>() {
    }.capture();
    ParameterizedType ourType = Types.newParameterizedType(HashMap.class, String.class, int[][].class);
    new EqualsTester().addEqualityGroup(jvmType, ourType).testEquals();
    assertEquals(jvmType.toString(), ourType.toString());
    assertEquals(jvmType.hashCode(), ourType.hashCode());
    assertEquals(HashMap.class, ourType.getRawType());
    ASSERT.that(ourType.getActualTypeArguments()).hasContentsInOrder(jvmType.getActualTypeArguments());
    assertEquals(Arrays.asList(String.class, Types.newArrayType(Types.newArrayType(int.class))), Arrays.asList(ourType.getActualTypeArguments()));
    assertEquals(null, ourType.getOwnerType());
}

Example 63 with ParameterizedType

use of java.lang.reflect.ParameterizedType in project guava by hceylan.

the class TypeTokenResolutionTest method testResolveType_parameterizedType.

public void testResolveType_parameterizedType() {
    Parameterized<?, ?, ?> parameterized = new Parameterized<TypeTokenResolutionTest, Bar, String>() {
    };
    TypeResolver typeResolver = TypeResolver.accordingTo(parameterized.getClass());
    ParameterizedType resolved = (ParameterizedType) typeResolver.resolve(parameterized.parameterizedType());
    assertEquals(TypeTokenResolutionTest.class, resolved.getOwnerType());
    assertEquals(Bar.class, resolved.getRawType());
    ASSERT.that(resolved.getActualTypeArguments()).hasContentsInOrder(String.class);
}

Example 64 with ParameterizedType

use of java.lang.reflect.ParameterizedType in project guava by hceylan.

the class TypeTokenTest method testGetSupertype_withTypeVariable.

public void testGetSupertype_withTypeVariable() {
    ParameterizedType expectedType = Types.newParameterizedType(Iterable.class, Types.newParameterizedType(List.class, ListIterable.class.getTypeParameters()[0]));
    assertEquals(expectedType, TypeToken.of(ListIterable.class).getSupertype(Iterable.class).getType());
}

Example 65 with ParameterizedType

use of java.lang.reflect.ParameterizedType in project guava by hceylan.

the class TypeTokenTest method testResolveType_fromWildcard.

public void testResolveType_fromWildcard() throws Exception {
    ParameterizedType withWildcardType = (ParameterizedType) new TypeCapture<Comparable<? extends Iterable<String>>>() {
    }.capture();
    TypeToken<?> wildcardType = TypeToken.of(withWildcardType.getActualTypeArguments()[0]);
    assertEquals(String.class, wildcardType.resolveType(Iterable.class.getTypeParameters()[0]).getType());
}