package com.upward.cloud.system.utils;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.math.BigDecimal;
import java.util.ArrayList;
import java.util.List;
/**
*
* @author xiaoyang 避免控制郑
*
*/
public class InitBeanUtil {
private static InitBeanUtil init = null;
private final String START_SET = "set";
private final String START_GET = "get";
private final String START_IS = "is";
private final int START_THREE = 3; // "set"字符串长度 3
// 参数初始值---begin
private final String INIT_STRING = "";
private final int INIT_INT = 0;
private final double INIT_DOUBLE = 0.0;
private final float INIT_FLOAT = 0;
private final boolean INIT_BOOLEAN = true;
private final char INIT_CHAR = ' ';
private final BigDecimal INIT_BigDecimal = new BigDecimal("0.0");
private final Integer INIT_Integer = new Integer(0);
private final Double INIT_Double = new Double(0.0);
private final Float INIT_Float = new Float(0.0);
private final Boolean INIT_Boolean = new Boolean(true);
private final Character INIT_Character = new Character(' ');
private final java.sql.Date INIT_DateS = new java.sql.Date(
System.currentTimeMillis());
private final java.util.Date INIT_DateU = new java.util.Date(
System.currentTimeMillis());
private final java.sql.Timestamp INIT_Timestamp = new java.sql.Timestamp(
System.currentTimeMillis());
private final long INIT_Long = new Long(0);
@SuppressWarnings("rawtypes")
private final java.util.List INIT_List = new ArrayList();
// 参数初始值---end
// 参数类型---begin 封装类型给出完整名
private final String TYPE_String = "java.lang.String";
private final String TYPE_int = "int";
private final String TYPE_double = "double";
private final String TYPE_float = "float";
private final String TYPE_boolean = "boolean";
private final String TYPE_char = "char";
private final String TYPE_long = "long";
private final String TYPE_BigDecimal = "java.math.BigDecimal";
private final String TYPE_Integer = "java.lang.Integer";
private final String TYPE_Double = "java.lang.Double";
private final String TYPE_Float = "java.lang.Float";
private final String TYPE_Boolean = "java.lang.Boolean";
private final String TYPE_Character = "java.lang.Character";
private final String TYPE_DateS = "java.sql.Date";
private final String TYPE_DateU = "java.util.Date";
private final String TYPE_Timestamp = "java.sql.Timestamp";
private final String TYPE_List = "java.util.List";
// 参数类型---end
@SuppressWarnings("rawtypes")
private List setList = new ArrayList(); // 存储所有setter方法
@SuppressWarnings("rawtypes")
private List getList = new ArrayList(); // 存储所有getter方法
private InitBeanUtil() {
// 无参构造器
}
// 单例
public static Object FZ(Object bean) {
if (init == null) {
init = new InitBeanUtil();
}
return init.initBean(bean);
}
/**
* 初始化属性主要方法
*/
@SuppressWarnings({ "unchecked", "rawtypes" })
private Object initBean(Object bean) {
Object object = null;
try {
// 实例化bean
object = bean.getClass().newInstance();
// 获取bean的类名
Class beanClass = bean.getClass();
// 获取该Bean对外公共setter方法
Method[] beanMethods = beanClass.getMethods();
for (int i = 0; i < beanMethods.length; i++) {
if (beanMethods[i].getName().startsWith(START_SET)) {
this.setList.add(beanMethods[i]);
} else if (beanMethods[i].getName().startsWith(START_GET)
|| beanMethods[i].getName().startsWith(START_IS)) {
this.getList.add(beanMethods[i]);
}
}
for (int i = 0; i < this.setList.size(); i++) {
Method setMethod = (Method) this.setList.get(i);
String getMethod = getter(setMethod.getName());
// 判断属性是否有get方法
if (hasMethod(getMethod)) {
Method m = (Method) getList.get(i);
Object o = m.invoke(bean);// 执行get方法返回一个Object
if (o == null) {
// set方法参数类型
Class[] typeSet = setMethod.getParameterTypes();
// javaBean的set方法只有一个参数,只需要取第一个
Object[] oarray = initValue(typeSet[0]);
setMethod.invoke(object, oarray);
} else {
Object[] oarray = new Object[1];
oarray[0] = o;
setMethod.invoke(object, oarray);
}
}
}
} catch (IllegalArgumentException e) {
e.printStackTrace();
} catch (InvocationTargetException e) {
e.printStackTrace();
} catch (IllegalAccessException e) {
e.printStackTrace();
} catch (InstantiationException e) {
e.printStackTrace();
} catch (SecurityException e) {
e.printStackTrace();
}
return object;
}
/**
* 获取getter方法 一个属性get方法名
*/
private String getter(String setter) {
String getMethod = START_GET + setter.substring(START_THREE);
if (hasMethod(getMethod)) {
// 获得getter方法存在返回
return getMethod;
} else {
// 获得getter方法不在 参数可能是boolean类型
getMethod = START_IS + setter.substring(START_THREE);
if (hasMethod(getMethod)) {
return getMethod;
}
}
return getMethod;
}
/**
* <>判断get方法是否存在<>
*/
private boolean hasMethod(String MethodName) {
boolean flag = false;
String tempName = null;
Method tempMethod = null;
for (int k = 0; k < getList.size(); k++) {
tempMethod = (Method) getList.get(k);
tempName = tempMethod.getName();
if (MethodName.equals(tempName)) {
flag = true;
break;
}
}
return flag;
}
/**
* 对属性初始化主要方法<br>
* 可根据具体需求变动,比如初始化某一类型属性<br>
* <br>
*/
private Object[] initValue(Class type) {
Object[] oarray = new Object[1];
// javaBean的setter方法只有一个参数，只需要一个一维Object数组
String typeStr = type.getName();
if (TYPE_String.equals(typeStr)) {
// String类型初始化
oarray[0] = INIT_STRING;
} else if (TYPE_int.equals(typeStr)) {
// int类型初始化
oarray[0] = new Integer(INIT_INT);
} else if (TYPE_double.equals(typeStr)) {
// double类型初始化
oarray[0] = new Double(INIT_DOUBLE);
} else if (TYPE_float.equals(typeStr)) {
// float类型初始化
oarray[0] = new Float(INIT_FLOAT);
} else if (String.valueOf(TYPE_char).equals(typeStr)) {
// char类型初始化
oarray[0] = new Character(INIT_CHAR);
} else if (TYPE_BigDecimal.equals(typeStr)) {
// BigDecima类型初始化
oarray[0] = INIT_BigDecimal;
} else if (TYPE_Integer.equals(typeStr)) {
// Integer类型初始化
oarray[0] = INIT_Integer;
} else if (TYPE_Double.equals(typeStr)) {
// Double类型初始化
oarray[0] = INIT_Double;
} else if (TYPE_Float.equals(typeStr)) {
// Float类型初始化
oarray[0] = INIT_Float;
} else if (TYPE_boolean.equals(typeStr)) {
// boolean类型初始化
oarray[0] = new Boolean(INIT_BOOLEAN);
} else if (TYPE_Boolean.equals(typeStr)) {
// Boolean类型初始化
oarray[0] = INIT_Boolean;
} else if (TYPE_Character.equals(typeStr)) {
// Character类型初始化
oarray[0] = INIT_Character;
} else if (TYPE_DateS.equals(typeStr)) {
// Date类型初始化(java.sql.Date)
oarray[0] = INIT_DateS;
} else if (TYPE_DateU.equals(typeStr)) {
// Date类型初始化(java.util.Date)
oarray[0] = INIT_DateU;
} else if (TYPE_Timestamp.equals(typeStr)) {
// Timestamp类型初始化(java.sql.Timestamp)
oarray[0] = INIT_Timestamp;
} else if (TYPE_List.equals(typeStr)) {
// List类型初始化(java.util.List)
oarray[0] = INIT_List;
} else if (TYPE_long.equals(typeStr)) {
// List类型初始化(java.util.List)
oarray[0] = INIT_Long;
} else {
try {
oarra
