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Java Parameter.isVarArgs方法代碼示例

本文整理匯總了Java中java.lang.reflect.Parameter.isVarArgs方法的典型用法代碼示例。如果您正苦於以下問題:Java Parameter.isVarArgs方法的具體用法?Java Parameter.isVarArgs怎麽用?Java Parameter.isVarArgs使用的例子?那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在java.lang.reflect.Parameter的用法示例。


在下文中一共展示了Parameter.isVarArgs方法的2個代碼示例,這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚,您的評價將有助於係統推薦出更棒的Java代碼示例。

示例1: checkViewOnShowOrLeaveMethod

import java.lang.reflect.Parameter; //導入方法依賴的package包/類
/**
 * Check given method has a valid signature for {@link OnShow} or {@link OnLeave} view method
 * @param viewClass View class
 * @param method Method to check
 * @param message Error message annotation description
 * @throws ViewConfigurationException Method is not valid
 */
private static void checkViewOnShowOrLeaveMethod(Class<?> viewClass, Method method, String message)
		throws ViewConfigurationException {
	if (method.getReturnType() != Void.class && method.getReturnType() != Void.TYPE) {
		throw new ViewConfigurationException("Invalid " + message + " method in view class " + viewClass.getName()
				+ ": method must be a void return method");
	}
	int params = method.getParameterCount();
	if (params > 1) {
		throw new ViewConfigurationException("Invalid " + message + " method in view class " + viewClass.getName()
				+ ": method must have no parameters or only one parameter of type ViewChangeEvent");
	}
	if (params == 1) {
		Parameter param = method.getParameters()[0];
		if (param.isVarArgs() || !(ViewChangeEvent.class.isAssignableFrom(param.getType())
				|| ViewNavigatorChangeEvent.class.isAssignableFrom(param.getType()))) {
			throw new ViewConfigurationException(
					"Invalid " + message + " method in view class " + viewClass.getName()
							+ ": method must have no parameters or only one parameter of type ViewChangeEvent");
		}
	}
}
 
開發者ID:holon-platform,項目名稱:holon-vaadin7,代碼行數:29,代碼來源:ViewNavigationUtils.java

示例2: getGroovyImplementation0

import java.lang.reflect.Parameter; //導入方法依賴的package包/類
@Override
protected String getGroovyImplementation0(MethodInvoker method, ConfigPropertyTemplate<?> propertyTemplate, ConfigPropertyActionInstance actionInstance)
{
    // language=groovy
    StringBuilder methodBuilder = new StringBuilder(500);
    methodBuilder.append("$rawType v = $rawValue\n")
                 .append("if ($value == null) return $nullOrNothing\n");
    Parameter parameter = method.getParameters()[0];
    if (Collection.class.isAssignableFrom(propertyTemplate.getRawType()))
    {
        // language=groovy
        if (method.isVarArgs())
        {
            methodBuilder.append("$returnOrNothing v.removeAll(Arrays.asList(var1))\n");
        }
        else
        {
            methodBuilder.append("$returnOrNothing v.remove(var1)\n");
        }
    }
    else if (Map.class.isAssignableFrom(propertyTemplate.getRawType()))
    {
        // language=groovy
        if (parameter.isVarArgs())
        {
            methodBuilder.append("if (var1.length == 0) $returnOrNothing Collections.emptyList()\n");
            methodBuilder.append("List removed = new ArrayList() \n" +
                                 "for (Object anArg : var1)\n" +
                                 "{\n" +
                                 "    removed.add(v.remove(anArg)) \n" +
                                 "}\n" +
                                 "$returnOrNothing ($returnType) removed");
        }
        else
        {
            methodBuilder.append("$returnOrNothing ($returnType) v.remove(var1)");
        }
    }
    else
    {
        throw new IllegalStateException("Unsupported type of property: " + propertyTemplate.getGenericType());
    }
    return methodBuilder.toString();
}
 
開發者ID:GotoFinal,項目名稱:diorite-configs-java8,代碼行數:45,代碼來源:RemoveFromCollectionPropertyAction.java


注:本文中的java.lang.reflect.Parameter.isVarArgs方法示例由純淨天空整理自Github/MSDocs等開源代碼及文檔管理平台,相關代碼片段篩選自各路編程大神貢獻的開源項目,源碼版權歸原作者所有,傳播和使用請參考對應項目的License;未經允許,請勿轉載。