leapyearbeanbeaninfo.java

EJB最新技术开发指南源代码

package com.ibm.ivj.wte.samples.leapyear;

// Licensed Material - Property of IBM 
// (C) Copyright IBM Corp. 2000 - All Rights Reserved 
// 
// DISCLAIMER: 
// The following [enclosed] code is sample code created by IBM 
// Corporation.  This sample code is not part of any standard IBM product 
// and is provided to you solely for the purpose of assisting you in the 
// development of your applications.  The code is provided 'AS IS', 
// without warranty or condition of any kind.  IBM shall not be liable for any damages 
// arising out of your use of the sample code, even if IBM has been 
// advised of the possibility of such damages.

/**
 * The bean information class for com.ibm.ivj.wte.samples.leapyear.LeapYearBean.
 */
public class LeapYearBeanBeanInfo extends java.beans.SimpleBeanInfo {
private static final String copyright = 
	"(c) Copyright IBM Corporation 2000.";

/**
 * Gets the findLeapYears() method descriptor.
 * @return java.beans.MethodDescriptor
 */
public java.beans.MethodDescriptor findLeapYearsMethodDescriptor() {
	java.beans.MethodDescriptor aDescriptor = null;
	try {
		/* Create and return the findLeapYears() method descriptor. */
		java.lang.reflect.Method aMethod = null;
		try {
			/* Attempt to find the method using getMethod with parameter types. */
			java.lang.Class aParameterTypes[] = {};
			aMethod = getBeanClass().getMethod("findLeapYears", aParameterTypes);
		} catch (Throwable exception) {
			/* Since getMethod failed, call findMethod. */
			handleException(exception);
			aMethod = findMethod(getBeanClass(), "findLeapYears", 0);
		};
		try {
			/* Try creating the method descriptor with parameter descriptors. */
			java.beans.ParameterDescriptor aParameterDescriptors[] = {};
			aDescriptor = new java.beans.MethodDescriptor(aMethod, aParameterDescriptors);
		} catch (Throwable exception) {
			/* Try creating the method descriptor without parameter descriptors. */
			handleException(exception);
			aDescriptor = new java.beans.MethodDescriptor(aMethod);
		};
		/* aDescriptor.setDisplayName("findLeapYears()"); */
		/* aDescriptor.setShortDescription("findLeapYears()"); */
		/* aDescriptor.setExpert(false); */
		/* aDescriptor.setHidden(false); */
		/* aDescriptor.setValue("preferred", new Boolean(false)); */
	} catch (Throwable exception) {
		handleException(exception);
	};
	return aDescriptor;
}
/**
 * Find the method by comparing (name & parameter size) against the methods in the class.
 * @return java.lang.reflect.Method
 * @param aClass java.lang.Class
 * @param methodName java.lang.String
 * @param parameterCount int
 */
public static java.lang.reflect.Method findMethod(java.lang.Class aClass, java.lang.String methodName, int parameterCount) {
	try {
		/* Since this method attempts to find a method by getting all methods from the class,
	this method should only be called if getMethod cannot find the method. */
		java.lang.reflect.Method methods[] = aClass.getMethods();
		for (int index = 0; index < methods.length; index++){
			java.lang.reflect.Method method = methods[index];
			if ((method.getParameterTypes().length == parameterCount) && (method.getName().equals(methodName))) {
				return method;
			}
		}
	} catch (java.lang.Throwable exception) {
		return null;
	}
	return null;
}
/**
 * Returns the BeanInfo of the superclass of this bean to inherit its features.
 * @return java.beans.BeanInfo[]
 */
public java.beans.BeanInfo[] getAdditionalBeanInfo() {
	java.lang.Class superClass;
	java.beans.BeanInfo superBeanInfo = null;

	try {
		superClass = getBeanDescriptor().getBeanClass().getSuperclass();
	} catch (java.lang.Throwable exception) {
		return null;
	}

	try {
		superBeanInfo = java.beans.Introspector.getBeanInfo(superClass);
	} catch (java.beans.IntrospectionException ie) {}

	if (superBeanInfo != null) {
		java.beans.BeanInfo[] ret = new java.beans.BeanInfo[1];
		ret[0] = superBeanInfo;
		return ret;
	}
	return null;
}
/**
 * Gets the bean class.
 * @return java.lang.Class
 */
public static java.lang.Class getBeanClass() {
	return com.ibm.ivj.wte.samples.leapyear.LeapYearBean.class;
}
/**
 * Gets the bean class name.
 * @return java.lang.String
 */
public static java.lang.String getBeanClassName() {
	return "com.ibm.ivj.wte.samples.leapyear.LeapYearBean";
}
public java.beans.BeanDescriptor getBeanDescriptor() {
	java.beans.BeanDescriptor aDescriptor = null;
	try {
		/* Create and return the LeapYearBeanBeanInfo bean descriptor. */
		aDescriptor = new java.beans.BeanDescriptor(com.ibm.ivj.wte.samples.leapyear.LeapYearBean.class);
		/* aDescriptor.setExpert(false); */
		/* aDescriptor.setHidden(false); */
		/* aDescriptor.setValue("hidden-state", Boolean.FALSE); */
	} catch (Throwable exception) {
	};
	return aDescriptor;
}
/**
 * Return the event set descriptors for this bean.
 * @return java.beans.EventSetDescriptor[]
 */
public java.beans.EventSetDescriptor[] getEventSetDescriptors() {
	try {
		java.beans.EventSetDescriptor aDescriptorList[] = {};
		return aDescriptorList;
	} catch (Throwable exception) {
		handleException(exception);
	};
	return null;
}
/**
 * Gets the getLeapYears(int) method descriptor.
 * @return java.beans.MethodDescriptor
 */
public java.beans.MethodDescriptor getLeapYears_intMethodDescriptor() {
	java.beans.MethodDescriptor aDescriptor = null;
	try {
		/* Create and return the getLeapYears(int) method descriptor. */
		java.lang.reflect.Method aMethod = null;
		try {
			/* Attempt to find the method using getMethod with parameter types. */
			java.lang.Class aParameterTypes[] = {
				int.class
			};
			aMethod = getBeanClass().getMethod("getLeapYears", aParameterTypes);
		} catch (Throwable exception) {
			/* Since getMethod failed, call findMethod. */
			handleException(exception);
			aMethod = findMethod(getBeanClass(), "getLeapYears", 1);
		};
		try {
			/* Try creating the method descriptor with parameter descriptors. */
			java.beans.ParameterDescriptor aParameterDescriptor1 = new java.beans.ParameterDescriptor();
			aParameterDescriptor1.setName("arg1");
			aParameterDescriptor1.setDisplayName("index");
			java.beans.ParameterDescriptor aParameterDescriptors[] = {
				aParameterDescriptor1
			};
			aDescriptor = new java.beans.MethodDescriptor(aMethod, aParameterDescriptors);
		} catch (Throwable exception) {
			/* Try creating the method descriptor without parameter descriptors. */
			handleException(exception);
			aDescriptor = new java.beans.MethodDescriptor(aMethod);
		};
		/* aDescriptor.setDisplayName("getLeapYears(int)"); */
		/* aDescriptor.setShortDescription("getLeapYears(int)"); */
		/* aDescriptor.setExpert(false); */
		/* aDescriptor.setHidden(false); */
		/* aDescriptor.setValue("preferred", new Boolean(false)); */
	} catch (Throwable exception) {
		handleException(exception);
	};
	return aDescriptor;
}
/**
 * Return the method descriptors for this bean.
 * @return java.beans.MethodDescriptor[]
 */
public java.beans.MethodDescriptor[] getMethodDescriptors() {
	try {
		java.beans.MethodDescriptor aDescriptorList[] = {
			findLeapYearsMethodDescriptor()
			,getLeapYears_intMethodDescriptor()
			,isLeapYear_intMethodDescriptor()
			,setLeapYears_int_intMethodDescriptor()
		};
		return aDescriptorList;
	} catch (Throwable exception) {
		handleException(exception);
	};
	return null;
}
/**
 * Return the property descriptors for this bean.
 * @return java.beans.PropertyDescriptor[]
 */
public java.beans.PropertyDescriptor[] getPropertyDescriptors() {
	try {
		java.beans.PropertyDescriptor aDescriptorList[] = {
			startYearPropertyDescriptor()
		};
		return aDescriptorList;
	} catch (Throwable exception) {
		handleException(exception);
	};
	return null;
}
/**
 * Called whenever the bean information class throws an exception.
 * @param exception java.lang.Throwable
 */
private void handleException(java.lang.Throwable exception) {