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:com.mnxfst.testing.plan.ctx.TSPlanExecutionContext.java

/**
 * Extracts the  {@link Method method representations} for the given path of getter methods 
 * @param varType//  w  w  w.j av  a 2 s.c  o  m
 * @param getterMethodNames
 * @param result
 * @throws TSVariableEvaluationFailedException
 */
protected void extractGetterMethods(Class<?> varType, String[] getterMethodNames, List<Method> result)
        throws TSVariableEvaluationFailedException {

    if (varType != null && getterMethodNames != null && getterMethodNames.length > 0) {

        String nextGetter = getterMethodNames[0];
        try {
            Method getterMethod = varType.getMethod(nextGetter, null);
            result.add(getterMethod);
            extractGetterMethods(getterMethod.getReturnType(),
                    (String[]) ArrayUtils.subarray(getterMethodNames, 1, getterMethodNames.length), result);
        } catch (NoSuchMethodException e) {
            throw new TSVariableEvaluationFailedException(
                    "No such getter '" + nextGetter + "' for class " + varType.getName());
        }

    }

}

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From source file:com.weibo.api.motan.config.AbstractConfig.java

private boolean isConfigMethod(Method method) {
    boolean checkMethod = (method.getName().startsWith("get") || method.getName().startsWith("is"))
            && !"isDefault".equals(method.getName()) && Modifier.isPublic(method.getModifiers())
            && method.getParameterTypes().length == 0 && isPrimitive(method.getReturnType());

    if (checkMethod) {
        ConfigDesc configDesc = method.getAnnotation(ConfigDesc.class);
        if (configDesc != null && configDesc.excluded()) {
            return false;
        }/*from  w  w w .j ava2s .  co m*/
    }
    return checkMethod;
}

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From source file:name.ikysil.beanpathdsl.codegen.Context.java

@SuppressWarnings("unchecked")
private <A extends Annotation> void scanMethod(Map<Class<?>, A> result, Method method,
        Class<A> annotationClass) {
    final A methodAnnotation = method.getAnnotation(annotationClass);
    if (methodAnnotation != null) {
        result.put(resolveClass(method.getReturnType()), methodAnnotation);
    }//from   w  w w  . j  av a  2s .  c o m
    Class<?>[] paramTypes = method.getParameterTypes();
    Annotation[][] paramsAnnotations = method.getParameterAnnotations();
    for (int i = 0; i < paramTypes.length; i++) {
        Annotation[] paramAnnotations = paramsAnnotations[i];
        A paramAnnotation = methodAnnotation;
        for (Annotation annotation : paramAnnotations) {
            if (annotation.annotationType().equals(annotationClass)) {
                paramAnnotation = (A) annotation;
                break;
            }
        }
        if (paramAnnotation != null) {
            result.put(resolveClass(paramTypes[i]), paramAnnotation);
        }
    }
}

---

From source file:dk.netdesign.common.osgi.config.Attribute.java

private void checkCardinality(Method method) throws InvalidMethodException {
    if (cardinalityDef.equals(cardinalityDef.List)) {
        if (!List.class.isAssignableFrom(method.getReturnType())) {
            throw new InvalidMethodException("Could not create handler for method " + method.getName()
                    + ". Methods with list cardinality must return a list");
        }//from  w  ww  .j ava 2 s .c om
        if (Collection.class.isAssignableFrom(inputType)) {
            throw new InvalidMethodException("Could not create handler for method " + method.getName()
                    + ". Methods with list must define a property type");
        }
    }
}

---

From source file:gov.nih.nci.system.webservice.WSQuery.java

private Object copyValue(Object newObject, Object obj, Class objKlass) {
    try {/*w  w w . jav a2s .  c  om*/
        Field[] newObjFields = objKlass.getDeclaredFields();
        for (int i = 0; i < newObjFields.length; i++) {
            Field field = newObjFields[i];
            field.setAccessible(true);
            String fieldName = field.getName();
            if (fieldName.equals("serialVersionUID"))
                continue;

            //            if (field.getType().getName().indexOf("gov.nih.nci") > -1) continue;
            if (field.getType().isPrimitive() || field.getType().getName().startsWith("java.")) {
                String getterMethodName = "get" + fieldName.substring(0, 1).toUpperCase()
                        + fieldName.substring(1);
                String setterMethodName = "set" + fieldName.substring(0, 1).toUpperCase()
                        + fieldName.substring(1);
                log.debug("WSQuery.copyValue:  methodName = " + getterMethodName);
                Method getterMethod = objKlass.getMethod(getterMethodName);
                Object value = getterMethod.invoke(obj);
                Method setterMethod = newObject.getClass().getMethod(setterMethodName,
                        new Class[] { getterMethod.getReturnType() });
                setterMethod.invoke(newObject, new Object[] { value });
            }
        }
        // the superclass
        objKlass = objKlass.getSuperclass();
        while (objKlass != null && !objKlass.equals(Object.class) && !objKlass.isInterface()) {
            copyValue(newObject, obj, objKlass);
            objKlass = objKlass.getSuperclass();
        }

    } catch (Exception e) {
        e.printStackTrace();
        log.error("WSQuery.copyValue: WS Error" + e.getMessage());
        //System.out.println("WSQuery.copyValue: WS Error"+ e);
        return null;
    }
    return newObject;
}

---

From source file:net.sf.jasperreports.export.PropertiesNoDefaultsConfigurationFactory.java

/**
 * //from  w ww . j a v  a2 s . c o  m
 */
protected Object getPropertyValue(Method method, JRPropertiesHolder propertiesHolder) {
    Object value = null;
    ExporterProperty exporterProperty = method.getAnnotation(ExporterProperty.class);
    if (exporterProperty != null) {
        value = getPropertyValue(jasperReportsContext, propertiesHolder, exporterProperty,
                method.getReturnType());
    }
    return value;
}

---

From source file:gov.nih.nci.system.web.struts.action.CreateAction.java

private void setParameterValue(Class klass, Object instance, String name, String value)
        throws NumberFormatException, Exception {
    if (value != null && value.trim().length() == 0)
        value = null;//  ww w  . j  a  va2s.  c o  m

    try {
        String paramName = name.substring(0, 1).toUpperCase() + name.substring(1);
        Method[] allMethods = klass.getMethods();
        for (Method m : allMethods) {
            String mname = m.getName();
            if (mname.equals("get" + paramName)) {
                Class type = m.getReturnType();
                Class[] argTypes = new Class[] { type };

                Method method = null;
                while (klass != Object.class) {
                    try {
                        Method setMethod = klass.getDeclaredMethod("set" + paramName, argTypes);
                        setMethod.setAccessible(true);
                        Object converted = convertValue(type, value);
                        if (converted != null)
                            setMethod.invoke(instance, converted);
                        break;
                    } catch (NumberFormatException e) {
                        throw e;
                    } catch (NoSuchMethodException ex) {
                        klass = klass.getSuperclass();
                    } catch (Exception e) {
                        throw e;
                    }
                }
            }
        }
    } catch (Exception e) {
        e.printStackTrace();
        throw e;
    }
}

---

From source file:com.vityuk.ginger.DefaultLocalization.java

private Callback createCallback(Method method) {
    String key = createKeyFromMethodName(method.getName());
    Class<?> type = method.getReturnType();
    if (isConstantMethod(method)) {
        return getConstantCallback(method, type, key);
    } else {/*from  w  w w .ja  v a 2  s  .  c  o  m*/
        return getMessageCallback(method, type, key);
    }
}

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From source file:net.firejack.platform.core.validation.GreaterThanProcessor.java

@Override
public List<ValidationMessage> validate(Method readMethod, String property, Object value, ValidationMode mode)
        throws RuleValidationException {
    GreaterThan greaterThanAnnotation = readMethod.getAnnotation(GreaterThan.class);
    List<ValidationMessage> messages = null;
    if (greaterThanAnnotation != null) {
        messages = new ArrayList<ValidationMessage>();
        Class<?> returnType = readMethod.getReturnType();
        String parameterName = StringUtils.isBlank(greaterThanAnnotation.parameterName()) ? property
                : greaterThanAnnotation.parameterName();
        if (value != null) {
            if (returnType.getSuperclass() == Number.class || returnType.isPrimitive()) {
                boolean checkEquality = greaterThanAnnotation.checkEquality();
                Number val = null;
                if (returnType == Float.class || returnType == float.class) {
                    Float f = (Float) value;
                    if (checkEquality && f < greaterThanAnnotation.floatVal()
                            || !checkEquality && f <= greaterThanAnnotation.floatVal()) {
                        val = greaterThanAnnotation.floatVal();
                    }/*from ww  w.j  a  va2  s  .c  om*/
                } else if (returnType == Double.class || returnType == double.class) {
                    Double d = (Double) value;
                    if (checkEquality && d < greaterThanAnnotation.doubleVal()
                            || !checkEquality && d <= greaterThanAnnotation.doubleVal()) {
                        val = greaterThanAnnotation.doubleVal();
                    }
                } else {
                    Long longValue = ((Number) value).longValue();
                    Long rangeValue = ((Integer) greaterThanAnnotation.intVal()).longValue();
                    if (checkEquality && longValue < rangeValue || !checkEquality && longValue <= rangeValue) {
                        val = greaterThanAnnotation.intVal();
                    }
                }
                if (val != null) {
                    messages.add(new ValidationMessage(property,
                            checkEquality ? greaterThanAnnotation.equalityMsgKey()
                                    : greaterThanAnnotation.msgKey(),
                            parameterName, val));
                }
            }
        }
    }
    return messages;
}

---

From source file:com.ancientprogramming.fixedformat4j.format.impl.FixedFormatManagerImpl.java

private Class getDatatype(Method method, Field fieldAnno) {
    Class datatype;/*from   www .  ja va  2 s  .c  o  m*/
    if (followsBeanStandard(method)) {
        datatype = method.getReturnType();
    } else {
        throw new FixedFormatException(format(
                "Cannot annotate method %s, with %s annotation. %s annotations must be placed on methods starting with 'get' or 'is'",
                method.getName(), fieldAnno.getClass().getName(), fieldAnno.getClass().getName()));
    }
    return datatype;
}

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