Example usage for java.lang.reflect Method getReturnType

Introduction

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

Prototype

public Class<?> getReturnType() 

Source Link

Document

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

Usage

From source file:se.trillian.goodies.spring.DomainObjectFactoryFactoryBean.java

@Override
public void afterPropertiesSet() throws Exception {
    Assert.notNull(interfaceClass, "interfaceClass");
    Assert.notNull(implementationClass, "implementationClass");
    if (factoryClass == null) {
        factoryClass = interfaceClass.getClassLoader().loadClass(interfaceClass.getName() + "$Factory");
    }/*w ww  .  jav  a  2 s .  com*/
    Assert.isTrue(factoryClass.isInterface(), "Factory class '" + factoryClass + "' is not an interface");

    for (Method m : factoryClass.getMethods()) {
        Assert.isTrue("create".equals(m.getName()),
                "Domain object factory method '" + m + "' is invalid. All methods must be named 'create'.");
        Assert.isTrue(interfaceClass.equals(m.getReturnType()),
                "Factory method '" + m + "' does not return instances of '" + interfaceClass + "'");
        findMatchingConstructor(implementationClass, m);
    }
    Assert.isTrue(factoryClass.getMethods().length > 0,
            "Factory class '" + factoryClass + "' does not define any methods");

    super.afterPropertiesSet();
}

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From source file:org.jsonschema2pojo.integration.MediaIT.java

@Test
public void shouldCreateByteArraySetterWithAnyEncoding() throws SecurityException, NoSuchMethodException {
    Method setter = classWithMediaProperties.getDeclaredMethod("setAnyBinaryEncoding", BYTE_ARRAY);

    assertThat("any binary encoding setter has return type void", setter.getReturnType(),
            equalToType(Void.TYPE));
}

---

From source file:com.mcapanel.plugin.PluginConnector.java

@SuppressWarnings("unchecked")
private void doMethodAndRespond(String method, String paramStr) {
    JSONObject out = new JSONObject();

    out.put("plugin", "McAdminPanel");
    out.put("type", "response");
    out.put("method", method);

    String[] params = paramStr.length() != 0 ? paramStr.split(", ") : new String[0];

    try {/* w w w  .  ja va  2  s  .co m*/
        Class<?>[] paramClasses = new Class<?>[params.length];

        for (int i = 0; i < params.length; i++)
            paramClasses[i] = Class.forName("java.lang.String");

        Method m = methodHandler.getClass().getDeclaredMethod(method, paramClasses);

        String ret = (String) m.invoke(methodHandler, (Object[]) params);

        if (m.getReturnType().equals(Void.TYPE))
            return;

        out.put("response", ret);
    } catch (ClassNotFoundException e) {
        e.printStackTrace();
    } catch (NoSuchMethodException e) {
        e.printStackTrace();
    } catch (SecurityException e) {
        e.printStackTrace();
    } catch (IllegalAccessException e) {
        e.printStackTrace();
    } catch (IllegalArgumentException e) {
        e.printStackTrace();
    } catch (InvocationTargetException e) {
        e.printStackTrace();
    }

    if (!out.containsKey("response"))
        out.put("response", "No such method");

    String cmd = "mcadminpanelplugincmd " + out.toJSONString();

    OutputStream writer = server.getWriter();

    try {
        writer.write((cmd + "\n").getBytes());
        writer.flush();
    } catch (IOException e) {
    }
}

---

From source file:com.github.jknack.handlebars.helper.DefaultHelperRegistry.java

/**
 * <p>//from   w  w  w  .j  a va2 s.co m
 * Register all the helper methods for the given helper source.
 * </p>
 *
 * @param source The helper source.
 * @param clazz The helper source class.
 */
private void registerDynamicHelper(final Object source, final Class<?> clazz) {
    int size = helpers.size();
    int replaced = 0;
    if (clazz != Object.class) {
        Set<String> overloaded = new HashSet<String>();
        // Keep backing up the inheritance hierarchy.
        Method[] methods = clazz.getDeclaredMethods();
        for (Method method : methods) {
            boolean isPublic = Modifier.isPublic(method.getModifiers());
            String helperName = method.getName();
            if (isPublic && CharSequence.class.isAssignableFrom(method.getReturnType())) {
                boolean isStatic = Modifier.isStatic(method.getModifiers());
                if (source != null || isStatic) {
                    if (helpers.containsKey(helperName)) {
                        replaced++;
                    }
                    isTrue(overloaded.add(helperName), "name conflict found: " + helperName);
                    registerHelper(helperName, new MethodHelper(method, source));
                }
            }
        }
    }
    isTrue((size + replaced) != helpers.size(), "No helper method was found in: " + clazz.getName());
}

---

From source file:com.haulmont.cuba.core.config.AppPropertiesLocator.java

private void setDataType(Method method, AppPropertyEntity entity) {
    Class<?> returnType = method.getReturnType();
    if (returnType.isPrimitive()) {
        if (returnType == boolean.class)
            entity.setDataTypeName(datatypes.getIdByJavaClass(Boolean.class));
        if (returnType == int.class)
            entity.setDataTypeName(datatypes.getIdByJavaClass(Integer.class));
        if (returnType == long.class)
            entity.setDataTypeName(datatypes.getIdByJavaClass(Long.class));
        if (returnType == double.class || returnType == float.class)
            entity.setDataTypeName(datatypes.getIdByJavaClass(Double.class));
    } else if (returnType.isEnum()) {
        entity.setDataTypeName("enum");
        EnumStore enumStoreAnn = method.getAnnotation(EnumStore.class);
        if (enumStoreAnn != null && enumStoreAnn.value() == EnumStoreMode.ID) {
            //noinspection unchecked
            Class<EnumClass> enumeration = (Class<EnumClass>) returnType;
            entity.setEnumValues(Arrays.asList(enumeration.getEnumConstants()).stream()
                    .map(ec -> String.valueOf(ec.getId())).collect(Collectors.joining(",")));
        } else {//from w  w  w . j  av  a2 s  . c  om
            entity.setEnumValues(Arrays.asList(returnType.getEnumConstants()).stream().map(Object::toString)
                    .collect(Collectors.joining(",")));
        }
    } else {
        Datatype<?> datatype = datatypes.get(returnType);
        if (datatype != null)
            entity.setDataTypeName(datatypes.getId(datatype));
        else
            entity.setDataTypeName(datatypes.getIdByJavaClass(String.class));
    }

    String dataTypeName = entity.getDataTypeName();
    if (!dataTypeName.equals("enum")) {
        Datatype datatype = Datatypes.get(dataTypeName);
        String v = null;
        try {
            v = entity.getDefaultValue();
            datatype.parse(v);
            v = entity.getCurrentValue();
            datatype.parse(v);
        } catch (ParseException e) {
            log.debug("Cannot parse '{}' with {} datatype, using StringDatatype for property {}", v, datatype,
                    entity.getName());
            entity.setDataTypeName(datatypes.getIdByJavaClass(String.class));
        }
    }
}

---

From source file:com.px100systems.data.core.CompoundIndexDescriptor.java

public CompoundIndexDescriptor(Class<?> entityClass, String name, String[] fields) {
    if (name.trim().isEmpty())
        throw new RuntimeException("Empty compound index name in " + entityClass.getSimpleName());

    this.name = NAME_PREFIX + entityClass.getSimpleName() + "_" + name + "_idx";

    for (String field : fields) {
        String[] s = field.split(" ");
        if (s.length != 2)
            throw new RuntimeException("Invalid compound index " + name + " in " + entityClass.getSimpleName()
                    + ": couldn't parse field '" + field + "'");

        Method getter = ReflectionUtils.findMethod(entityClass, PropertyAccessor.methodName("get", s[0]));
        if (getter == null)
            throw new RuntimeException("Invalid compound index " + name + " in " + entityClass.getSimpleName()
                    + ": couldn't find getter for '" + field + "'");
        Class<?> returnType = getter.getReturnType();
        if (!returnType.equals(Integer.class) && !returnType.equals(Long.class)
                && !returnType.equals(Double.class) && !returnType.equals(Date.class)
                && !returnType.equals(String.class) && !returnType.equals(Boolean.class))
            throw new RuntimeException("Invalid compound index " + name + " in " + entityClass.getSimpleName()
                    + ": field '" + field
                    + "' - only Integer, Long, Double, Date, String, and Boolean are supported");

        this.fields.add(new Field(s[0], returnType, s[1].equalsIgnoreCase("DESC")));
    }//w ww  .j  av  a2  s. co  m
}

---

From source file:com.nabla.project.application.tool.runner.ServiceInvoker.java

/**
 * DOCUMENT ME!//from   w  ww  .  java 2 s  .  c om
 */
public void afterPropertiesSet() {

    if ((serviceInterface != null) && !serviceInterface.isInterface()) {

        throw new IllegalArgumentException("serviceInterface must be an interface");

    }

    Method methods[] = serviceInterface.getDeclaredMethods();

    for (Method method : methods) {

        if (isAsynchronousMethod(method) && !method.getReturnType().equals(Void.TYPE)) {

            throw new IllegalArgumentException(
                    "serviceInterface for ServiceRunner must containt only method returning void : " + method);

        }

    }

}

---

From source file:com.all.app.BeanStatisticsWriter.java

private List<CSVColumn> auto(Object object) {
    List<CSVColumn> columns = new ArrayList<CSVColumn>();
    Method[] declaredMethods = object.getClass().getDeclaredMethods();
    for (Method method : declaredMethods) {
        boolean noArguments = method.getParameterTypes().length == 0;
        boolean isVoid = method.getReturnType().equals(void.class);
        boolean isPublic = (method.getModifiers() & Modifier.PUBLIC) == Modifier.PUBLIC;
        boolean isNotStatic = (method.getModifiers() & Modifier.STATIC) != Modifier.STATIC;
        boolean isGetter = method.getName().startsWith("get");
        if (isGetter && noArguments && isPublic && isNotStatic && !isVoid) {
            columns.add(new CSVColumnMethodReflected(method.getName(), method.getName()));
        }/*from   w  w  w .  j  av  a  2 s.c o  m*/
    }
    return columns;
}

---

From source file:org.openmrs.module.metadatasharing.reflection.OpenmrsClassScanner.java

protected void initServiceSaveMethodsCache() throws IOException {
    if (serviceSaveMethodsCache != null && serviceSaveMethodsCacheTimeout.after(new Date())) {
        return;//from ww  w .j ava  2  s  . c  om
    }
    log.debug("Refreshing OpenmrsService classes cache");
    long future = new Date().getTime();
    future += CACHE_TIMEOUT_IN_MS;
    serviceSaveMethodsCacheTimeout = new Date(future);
    serviceSaveMethodsCache = new HashMap<Class<?>, ClassMethod<OpenmrsService>>();

    List<Class<OpenmrsService>> services = getClasses(OpenmrsService.class, false);
    for (Class<OpenmrsService> service : services) {
        Method[] methods = service.getMethods();
        for (Method method : methods) {
            if (method.getName().startsWith("save")) {
                if (Arrays.equals(method.getParameterTypes(), new Class<?>[] { method.getReturnType() })) {
                    if (canBeSaved(method.getReturnType())) {
                        serviceSaveMethodsCache.put(method.getReturnType(),
                                new ClassMethod<OpenmrsService>(service, method));
                    }
                }
            }
        }
    }
    //META-114 HACK
    try {
        serviceSaveMethodsCache.put(PersonAttributeType.class, new ClassMethod(PersonService.class,
                PersonService.class.getMethod("savePersonAttributeType", PersonAttributeType.class)));
        serviceSaveMethodsCache.put(RelationshipType.class, new ClassMethod(PersonService.class,
                PersonService.class.getMethod("saveRelationshipType", RelationshipType.class)));
    } catch (Exception ex) {
    }
}

---

From source file:com.home.ln_spring.ch4.mi.FormatMessageReplacer.java

private boolean isFormatMessageMethod(Method method) {
    //  ? ? /*from  w  w  w  . jav  a2 s  . co m*/
    if (method.getParameterTypes().length != 1) {
        return false;
    }

    //  ? 
    if (!("formatMessage".equals(method.getName()))) {
        return false;
    }

    //   
    if (method.getReturnType() != String.class) {
        return false;
    }

    //   
    if (method.getParameterTypes()[0] != String.class) {
        return false;
    }

    return true;
}

---

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