Example usage for java.lang.reflect Method getGenericReturnType

Introduction

In this page you can find the example usage for java.lang.reflect Method getGenericReturnType.

Prototype

public Type getGenericReturnType()

Source Link

Document

Returns a Type object that represents the formal return type of the method represented by this Method object.

Usage

From source file:com.iorga.iraj.json.MethodTemplate.java

@Override
protected Type getPropertyType(final Method targetMethod) {
    return targetMethod.getGenericReturnType();
}

From source file:com.netflix.hystrix.contrib.javanica.utils.FallbackMethod.java

private Type getFirstParametrizedType(Method m) {
    Type gtype = m.getGenericReturnType();
    if (gtype instanceof ParameterizedType) {
        ParameterizedType pType = (ParameterizedType) gtype;
        return pType.getActualTypeArguments()[0];
    }/*  w w  w .j  a  v  a 2 s. c  o  m*/
    return null;
}

From source file:com.netflix.hystrix.contrib.javanica.utils.FallbackMethod.java

private List<Type> getParametrizedTypes(Method m) {
    return getAllParameterizedTypes(m.getGenericReturnType());
}

From source file:com.wavemaker.tools.apidocs.tools.parser.impl.ReflectionModelParser.java

protected Map<String, Property> parsePropertiesUsingGetters(Class<?> classToScan) {
    Map<String, Property> properties = new LinkedHashMap<>();

    Collection<Method> methods = MethodUtils.findGetterMethods(classToScan);

    for (final Method method : methods) {
        PropertyParser propertyParser = new PropertyParserImpl(method.getGenericReturnType());
        properties.put(MethodUtils.getPropertyName(method.getName()), propertyParser.parse());
    }//from   w  w w  .  j  a  va  2  s .co m

    return properties;
}

From source file:pl.bristleback.server.bristle.conf.resolver.action.ResponseResolver.java

@SuppressWarnings("unchecked")
private void resolveResponseSerialization(Method action, ActionResponseInformation responseInformation) {
    SerializationResolver serializationResolver = serializationEngine.getSerializationResolver();
    Object payloadSerialization = serializationResolver.resolveSerialization(action.getGenericReturnType(),
            action.getAnnotations());//w w  w. j a va2s .c  o  m
    responseInformation.setSerialization(payloadSerialization);
}

From source file:com.autentia.common.util.ClassWithList.java

@Ignore("No es un test, son pruebas con reflection")
@Test/* w w  w  .j  av  a2  s  .c  om*/
public void testGetGenericFromList() throws SecurityException, NoSuchMethodException {

    final ClassWithList<String> stringList = new ClassWithList<String>();

    for (TypeVariable<?> v : stringList.getClass().getTypeParameters()) {
        print(v);
    }

    final Method method = stringList.getClass().getMethod("getElements");

    Type returnType = method.getGenericReturnType();

    if (returnType instanceof ParameterizedType) {
        ParameterizedType type = (ParameterizedType) returnType;
        Type[] typeArguments = type.getActualTypeArguments();
        for (Type typeArgument : typeArguments) {
            System.out.println(typeArgument);
            print(typeArgument);
            TypeVariable<?> typeVariable = (TypeVariable<?>) typeArgument;

            Class typeArgClass = (Class) typeArgument;
            System.out.println("typeArgClass = " + typeArgClass);
        }
    }
}

From source file:com.googlecode.jsonschema2pojo.integration.AdditionalPropertiesIT.java

@Test
public void additionalPropertiesOfStringTypeOnly()
        throws SecurityException, NoSuchMethodException, ClassNotFoundException {

    ClassLoader resultsClassLoader = generateAndCompile(
            "/schema/additionalProperties/additionalPropertiesString.json", "com.example");

    Class<?> classWithNoAdditionalProperties = resultsClassLoader
            .loadClass("com.example.AdditionalPropertiesString");
    Method getter = classWithNoAdditionalProperties.getMethod("getAdditionalProperties");

    assertThat(((ParameterizedType) getter.getGenericReturnType()).getActualTypeArguments()[1],
            is(equalTo((Type) String.class)));

    // setter with these types should exist:
    classWithNoAdditionalProperties.getMethod("setAdditionalProperties", String.class, String.class);

}

From source file:com.googlecode.jsonschema2pojo.integration.AdditionalPropertiesIT.java

public void additionalPropertiesOfObjectTypeCreatesNewClassForPropertyValues()
        throws SecurityException, NoSuchMethodException, ClassNotFoundException {

    ClassLoader resultsClassLoader = generateAndCompile(
            "/schema/additionalProperties/additionalPropertiesObject.json", "com.example");

    Class<?> classWithNoAdditionalProperties = resultsClassLoader
            .loadClass("com.example.AdditionalPropertiesObject");
    Class<?> propertyValueType = resultsClassLoader.loadClass("com.example.AdditionalPropertiesObjectProperty");

    Method getter = classWithNoAdditionalProperties.getMethod("getAdditionalProperties");

    assertThat(((ParameterizedType) getter.getGenericReturnType()).getActualTypeArguments()[1],
            is(equalTo((Type) propertyValueType)));

    // setter with these types should exist:
    classWithNoAdditionalProperties.getMethod("setAdditionalProperties", String.class, propertyValueType);

}

From source file:com.googlecode.jsonschema2pojo.integration.AdditionalPropertiesIT.java

@Test
public void additionalPropertiesOfBooleanTypeOnly()
        throws SecurityException, NoSuchMethodException, ClassNotFoundException {

    ClassLoader resultsClassLoader = generateAndCompile(
            "/schema/additionalProperties/additionalPropertiesPrimitiveBoolean.json", "com.example",
            config("usePrimitives", true));

    Class<?> classWithNoAdditionalProperties = resultsClassLoader
            .loadClass("com.example.AdditionalPropertiesPrimitiveBoolean");
    Method getter = classWithNoAdditionalProperties.getMethod("getAdditionalProperties");

    assertThat(((ParameterizedType) getter.getGenericReturnType()).getActualTypeArguments()[1],
            is(equalTo((Type) Boolean.class)));

    // setter with these types should exist:
    classWithNoAdditionalProperties.getMethod("setAdditionalProperties", String.class, boolean.class);

}

From source file:net.easysmarthouse.service.scripting.ScriptDecoratorPointcut.java

@Override
public boolean matches(Method method, Class<?> type) {
    Class<?> returnType = method.getReturnType();
    if (returnType == Device.class) {
        return true;
    }/*from w  w  w  .  ja va  2  s .  com*/

    if (Collection.class.isAssignableFrom(returnType)) {
        Type genericReturnType = method.getGenericReturnType();
        if (genericReturnType instanceof ParameterizedType) {
            ParameterizedType listType = (ParameterizedType) genericReturnType;
            Type[] actualTypeArgs = listType.getActualTypeArguments();

            if (actualTypeArgs != null && actualTypeArgs.length != 0) {
                Class<?> listClass = (Class<?>) actualTypeArgs[0];
                if (listClass == Device.class) {
                    return true;
                }
            }
        }
    }

    return false;
}