实体与DTO之间的转换（时间类型已处理）
无论是Spring，还是Apache的BeanUtils对于实体与DTO的转换都不能很好的处理Date类型，可使用以下工具类作为替代。
package com.neusoft.ehrss.nm.si.endowment.labour.centerWebService.utils;
import org.apache.commons.beanutils.BeanUtils;
import org.apache.commons.beanutils.ConvertUtils;
import org.apache.commons.beanutils.PropertyUtils;
import org.apache.commons.beanutils.PropertyUtilsBean;
import org.apache.commons.beanutils.converters.BigDecimalConverter;
import java.beans.PropertyDescriptor;
import java.sql.Date;
import java.sql.Timestamp;
import java.text.DateFormat;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
public class DtoUtil {
private static final PropertyUtilsBean propertyUtilsBean = new PropertyUtilsBean();
public void init() {
BigDecimalConverter bd = new BigDecimalConverter(null);
ConvertUtils.register(bd, java.math.BigDecimal.class);
}
public static String getProperty(Object bean, String property) {
String result = null;
try {
result = BeanUtils.getSimpleProperty(bean, property);
} catch (Exception ex) {
ex.printStackTrace();
}
return result;
}
public static void copyProperties(Object orig, Object dest) {
copyProperties(orig, dest, true);
}
public static void copyProperties(Object orig, Object dest, String[] ignalString) {
copyProperties(orig, dest, true, ignalString);
}
public static void copyProperties(Object orig, Object dest, boolean ignalNull) {
DateFormat dateDf = new SimpleDateFormat("yyyy-MM-dd");
DateFormat dateDf2 = new SimpleDateFormat("yyyyMMdd");
DateFormat datetimeDf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
try {
if (orig != null && dest != null) {
PropertyDescriptor origDescriptors[] = propertyUtilsBean.getPropertyDescriptors(dest);
for (int i = 0; i < origDescriptors.length; i++) {
String name = origDescriptors[i].getName();
if ("class".equals(name) {
continue;
}
if (propertyUtilsBean.isReadable(orig, name) && propertyUtilsBean.isWriteable(dest, name) {
Object orig_value = propertyUtilsBean.getProperty(orig, name);
Class<?> dest_type = propertyUtilsBean.getPropertyType(dest, name);
if (orig_value == null && ignalNull) {
continue;
} else if ((dest_type == Timestamp.class || dest_type == Date.class || dest_type == java.util.Date.class)
&& ("".equals(orig_value) || orig_value == null) {
propertyUtilsBean.setProperty(dest, name, null);
} else if (dest_type == java.math.BigDecimal.class && "".equals(orig_value) {
// propertyUtilsBean.setProperty(dest, name, "0");
} else if (dest_type == Timestamp.class) {
java.util.Date time = null;
String value = orig_value.toString();
if (value.indexOf("-") != -1) {
if (value.length() > 10) {
time = datetimeDf.parse(orig_value.toString();
} else if(value.length() == 10) {
time = dateDf.parse(orig_value.toString();
}
BeanUtils.copyProperty(dest, name, new Timestamp(time.getTime());
} else {
if(value.length() == 8) {
time = dateDf2.parse(orig_value.toString();
BeanUtils.copyProperty(dest, name, new Timestamp(time.getTime());
} else if(value.length() == 6) {
time = dateDf2.parse(orig_value.toString() + "01");
BeanUtils.copyProperty(dest, name, new Timestamp(time.getTime());
} else if(value.length() == 4) {
time = dateDf2.parse(orig_value.toString() + "0101");
BeanUtils.copyProperty(dest, name, new Timestamp(time.getTime());
} else {
BeanUtils.copyProperty(dest, name, new Timestamp(Long.valueOf(value));
}
}
} else if (dest_type == Date.class) {
java.util.Date time = null;
String value = orig_value.toString();
if (value.indexOf("-") != -1) {
if (orig_value.toString().length() > 10) {
time = datetimeDf.parse(orig_value.toString();
} else if(value.length() == 10) {
time = dateDf.parse(orig_value.toString();
}
BeanUtils.copyProperty(dest, name, new Date(time.getTime());
} else {
if(value.length() == 8) {
time = dateDf2.parse(orig_value.toString();
BeanUtils.copyProperty(dest, name, new Date(time.getTime());
} else if(value.length() == 6) {
time = dateDf2.parse(orig_value.toString() + "01");
BeanUtils.copyProperty(dest, name, new Date(time.getTime());
} else if(value.length() == 4) {
time = dateDf2.parse(orig_value.toString() + "0101");
BeanUtils.copyProperty(dest, name, new Date(time.getTime());
} else {
BeanUtils.copyProperty(dest, name, new Date(Long.valueOf(value));
}
}
} else if (dest_type == java.util.Date.class
&& propertyUtilsBean.getPropertyType(orig, name) != java.util.Date.class) {
java.util.Date time = null;
String value = orig_value.toString();
if (value.indexOf("-") != -1) {
if (orig_value.toString().length() > 10) {
time = datetimeDf.parse(orig_value.toString();
} else if(value.length() == 10) {
time = dateDf.parse(orig_value.toString();
}
BeanUtils.copyProperty(dest, name, new java.util.Date(time.getTime());
} else {
if(value.length() == 8) {
time = dateDf2.parse(orig_value.toString();
BeanUtils.copyProperty(dest, name, new java.util.Date(time.getTime());
} else if(value.length() == 6) {
time = dateDf2.parse(orig_value.toString() + "01");
BeanUtils.copyProperty(dest, name, new java.util.Date(time.getTime());
} else if(value.length() == 4) {
time = dateDf2.parse(orig_value.toString() + "0101");
BeanUtils.copyProperty(dest, name, new java.util.Date(time.getTime());
} else {
BeanUtils.copyProperty(dest, name, new java.util.Date(Long.valueOf(value));
}
}
} else {
try {
BeanUtils.copyProperty(dest, name, orig_value);
} catch (Exception ex) {
ex.printStackTrace();
}
}
}
}
}
} catch (Exception ex) {
ex.printStackTrace();
}
}
public static void copyProperties(Object orig, Object dest, boolean ignalNull, String[] ignalString) {
DateFormat dateDf = new SimpleDateFormat("yyyy-MM-dd");
DateFormat dateDf2 = new SimpleDateFormat("yyyyMMdd");
DateFormat datetimeDf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
try {
if (orig != null && dest != null) {
final PropertyDescriptor origDescriptors[] = propertyUtilsBean.getPropertyDescriptors(dest);
for (final PropertyDescriptor descriptor : origDescriptors) {
List<String> ignalList = Arrays.asList(ignalString);
String name = descriptor.getName();
if (propertyUtilsBean.isReadable(orig, descriptor.getName()
&& propertyUtilsBean.isWriteable(dest, descriptor.getName()
&& !ignalList.contains(descriptor.getName()) {
final Object orig_value = propertyUtilsBean.getProperty(orig, descriptor.getName();
final Class<?> dest_type = propertyUtilsBean.getPropertyType(dest, descriptor.getName();
if (orig_value == null && ignalNull) {
continue;
} else if ((dest_type == Timestamp.class || dest_type == Date.class || dest_type == java.util.Date.class
|| dest_type == java.math.BigDecimal.class) && ("".equals(orig_value) || orig_value == null) {
propertyUtilsBean.setProperty(dest, name, null);
} else if (dest_type == Timestamp.class) {
java.util.Date time = null;
String value = orig_value.toString();
if (value.indexOf("-") != -1) {
if (value.length() > 10) {
time = datetimeDf.parse(orig_value.toString();
} else if(value.length() == 10) {
time = dateDf.parse(orig_value.toString();
}
BeanUtils.copyProperty(dest, name, new Timestamp(time.getTime());
} else {
if(value.length() == 8) {
time = dateDf2.parse(orig_value.toString();
BeanUtils.copyProperty(dest, name, new Timestamp(time.getTime());
} else if(value.length() == 6) {
time = dateDf2.parse(orig_value.toString() + "01");
BeanUtils.copyProperty(dest, name, new Timestamp(time.getTime());
} else if(value.length() == 4) {
time = dateDf2.parse(orig_value.toString() + "0101");
BeanUtils.copyProperty(dest, name, new Timestamp(time.getTime());
} else {
BeanUtils.copyProperty(dest, name, new Timestamp(Long.valueOf(value));
}
}
} else if (dest_type == Date.class) {
java.util.Date time = null;
String value = orig_value.toString();
if (value.indexOf("-") != -1) {
if (orig_value.toString().length() > 10) {
time = datetimeDf.parse(orig_value.toString();
} else if(value.length() == 10) {
time = dateDf.parse(orig_value.toString();
}
BeanUtils.copyProperty(dest, name, new Date(time.getTime());
} else {
if(value.length() == 8) {
time = dateDf2.parse(orig_value.toString();
BeanUtils.copyProperty(dest, name, new Date(time.getTime());
} else if(value.length() == 6) {
time = dateDf2.parse(orig_value.toString() + "01");
BeanUtils.copyProperty(dest, name, new Date(time.getTime());
} else if(value.length() == 4) {
time = dateDf2.parse(orig_value.toString() + "0101");
BeanUtils.copyProperty(dest, name, new Date(time.getTime());
} else {
BeanUtils.copyProperty(dest, name, new Date(Long.valueOf(value));
}
}
} else if (dest_type == java.util.Date.class
&& propertyUtilsBean.getPropertyType(orig, name) != java.util.Date.class) {
java.util.Date time = null;
String value = orig_value.toString();
if (value.indexOf("-") != -1) {
if (orig_value.toString().length() > 10) {
time = datetimeDf.parse(orig_value.toString();
} else if(value.length() == 10) {
time = dateDf.parse(orig_value.toString();
}
BeanUtils.copyProperty(dest, name, new java.util.Date(time.getTime());
} else {
if(value.length() == 8) {
time = dateDf2.parse(orig_value.toString();
BeanUtils.copyProperty(dest, name, new java.util.Date(time.getTime());
} else if(value.length() == 6) {
time = dateDf2.parse(orig_value.toString() + "01");
BeanUtils.copyProperty(dest, name, new java.util.Date(time.getTime());
} else if(value.length() == 4) {
time = dateDf2.parse(orig_value.toString() + "0101");
BeanUtils.copyProperty(dest, name, new java.util.Date(time.getTime());
} else {
BeanUtils.copyProperty(dest, name, new java.util.Date(Long.valueOf(value));
}
}
} else {
try {
BeanUtils.copyProperty(dest, name, orig_value);
} catch (Exception ex) {
ex.printStackTrace();
}
}
}
}
}
} catch (Exception ex) {
ex.printStackTrace();
}
}
public static void copyPropertiesToString(Object orig, Object dest, boolean ignalNull) {
DateFormat dateDf = new SimpleDateFormat("yyyy-MM-dd");
DateFormat datetimeDf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
try {
if (orig != null && dest != null) {
PropertyDescriptor origDescriptors[] = propertyUtilsBean.getPropertyDescriptors(dest);
for (int i = 0; i < origDescriptors.length; i++) {
String name = origDescriptors[i].getName();
if ("class".equals(name) {
continue;
}
if (propertyUtilsBean.isReadable(orig, name) && propertyUtilsBean.isWriteable(dest, name) {
Object orig_value = propertyUtilsBean.getProperty(orig, name);
String orig_type = propertyUtilsBean.getPropertyType(orig, name).getName();
if (orig_value == null && ignalNull) {
continue;
} else if (orig_type.equals("java.sql.Timestamp") && orig_value != null) {
BeanUtils.copyProperty(dest, name, datetimeDf.format((Timestamp) orig_value);
} else if (orig_type.equals("java.sql.Date") && orig_value != null) {
BeanUtils.copyProperty(dest, name, dateDf.format((Date) orig_value);
} else if (orig_type.equals("java.util.Date") && orig_value != null) {
BeanUtils.copyProperty(dest, name, dateDf.format((java.util.Date) orig_value);
} else {
try {
BeanUtils.copyProperty(dest, name, orig_value);
} catch (Exception ex) {
ex.printStackTrace();
}
}
}
}
}
} catch (Exception ex) {
ex.printStackTrace();
}
}
public static void populateProperty(Object bean, String property, Object value) {
try {
String fieldtype = propertyUtilsBean.getPropertyType(bean, property).getName();
if ((fieldtype.equals("java.sql.Timestamp") || fieldtype.equals("java.sql.Date") || fieldtype.equals("java.util.Date")
|| fieldtype.equals("java.math.BigDecimal") && (value == null || "".equals(value)) {
if (propertyUtilsBean.isReadable(bean, "modifyStrs")
&& propertyUtilsBean.isWriteable(bean, "modifyStrs") {
Object obj = propertyUtilsBean.getProperty(bean, "modifyStrs");
if (obj instanceof List) {
@SuppressWarnings("unchecked")
List<String> list = (List<String>) obj;
list.add(property);
value = null;
}
}
}
BeanUtils.setProperty(bean, property, value);
} catch (Exception ex) {
ex.printStackTrace();
}
}
public static void copySpecifyPropertys(Object orig, Object dest, String[] fieldNames) {
DateFormat dateDf = new SimpleDateFormat("yyyy-MM-dd");
DateFormat dateDf2 = new SimpleDateFormat("yyyyMMdd");
DateFormat datetimeDf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
try {
if (dest == null || orig == null) {
return;
}
for (int i = 0; i < fieldNames.length; i++) {
String name = fieldNames[i];
final Object orig_value = propertyUtilsBean.getProperty(orig, name);
final Class<?> dest_type = propertyUtilsBean.getPropertyType(dest, name);
if (orig_value == null) {
continue;
} else if ((dest_type == Timestamp.class || dest_type == Date.class || dest_type == java.util.Date.class
|| dest_type == java.math.BigDecimal.class) && ("".equals(orig_value)|| orig_value == null) {
propertyUtilsBean.setProperty(dest, name, null);
} else if (dest_type == Timestamp.class) {
java.util.Date time = null;
String value = orig_value.toString();
if (value.indexOf("-") != -1) {
if (value.length() > 10) {
time = datetimeDf.parse(orig_value.toString();
} else if(value.length() == 10) {
time = dateDf.parse(orig_value.toString();
}
BeanUtils.copyProperty(dest, name, new Timestamp(time.getTime());
} else {
if(value.length() == 8) {
time = dateDf2.parse(orig_value.toString();
BeanUtils.copyProperty(dest, name, new Timestamp(time.getTime());
} else if(value.length() == 6) {
time = dateDf2.parse(orig_value.toString() + "01");
BeanUtils.copyProperty(dest, name, new Timestamp(time.getTime());
} else if(value.length() == 4) {
time = dateDf2.parse(orig_value.toString() + "0101");
BeanUtils.copyProperty(dest, name, new Timestamp(time.getTime());
} else {
BeanUtils.copyProperty(dest, name, new Timestamp(Long.valueOf(value));
}
}
} else if (dest_type == Date.class) {
java.util.Date time = null;
String value = orig_value.toString();
if (value.indexOf("-") != -1) {
if (orig_value.toString().length() > 10) {
time = datetimeDf.parse(orig_value.toString();
} else if(value.length() == 10) {
time = dateDf.parse(orig_value.toString();
}
BeanUtils.copyProperty(dest, name, new Date(time.getTime());
} else {
if(value.length() == 8) {
time = dateDf2.parse(orig_value.toString();
BeanUtils.copyProperty(dest, name, new Date(time.getTime());
} else if(value.length() == 6) {
time = dateDf2.parse(orig_value.toString() + "01");
BeanUtils.copyProperty(dest, name, new Date(time.getTime());
} else if(value.length() == 4) {
time = dateDf2.parse(orig_value.toString() + "0101");
BeanUtils.copyProperty(dest, name, new Date(time.getTime());
} else {
BeanUtils.copyProperty(dest, name, new Date(Long.valueOf(value));
}
}
} else if (dest_type == java.util.Date.class
&& propertyUtilsBean.getPropertyType(orig, name) != java.util.Date.class) {
java.util.Date time = null;
String value = orig_value.toString();
if (value.indexOf("-") != -1) {
if (orig_value.toString().length() > 10) {
time = datetimeDf.parse(orig_value.toString();
} else if(value.length() == 10) {
time = dateDf.parse(orig_value.toString();
}
BeanUtils.copyProperty(dest, name, new java.util.Date(time.getTime());
} else {
if(value.length() == 8) {
time = dateDf2.parse(orig_value.toString();
BeanUtils.copyProperty(dest, name, new java.util.Date(time.getTime());
} else if(value.length() == 6) {
time = dateDf2.parse(orig_value.toString() + "01");
BeanUtils.copyProperty(dest, name, new java.util.Date(time.getTime());
} else if(value.length() == 4) {
time = dateDf2.parse(orig_value.toString() + "0101");
BeanUtils.copyProperty(dest, name, new java.util.Date(time.getTime());
} else {
BeanUtils.copyProperty(dest, name, new java.util.Date(Long.valueOf(value));
}
}
} else {
try {
BeanUtils.copyProperty(dest, name, orig_value);
} catch (Exception ex) {
ex.printStackTrace();
}
}
}
} catch (Exception e) {
e.printStackTrace();
}
}
public static void resetDTO(Object dto) {
if (dto == null)
return;
PropertyDescriptor origDescriptors[] = propertyUtilsBean.getPropertyDescriptors(dto);
for (int i = 0; i < origDescriptors.length; i++) {
String name = origDescriptors[i].getName();
if (propertyUtilsBean.isWriteable(dto, name) && !"class".equals(name) {
try {
PropertyUtils.setSimpleProperty(dto, name, null);
} catch (Exception ex) {
ex.printStackTrace();
}
}
}
}
@SuppressWarnings("unchecked")
public static <T> List<T> copyList(List<? extends Object> origList, Class<T> clazz) {
List<T> list = new ArrayList<T>();
if (null == origList || origList.isEmpty() {
return list;
}
for (Object o : origList) {
try {
Object d = clazz.newInstance();
copyProperties(o, d);
list.add((T) d);
} catch (InstantiationException e) {
e.printStackTrace();
} catch (IllegalAccessException e) {
e.printStackTrace();
}
}
return list;
}
@SuppressWarnings({ "rawtypes", "unchecked" })
public static void copyPropertysIgnoreSpecify(Object orig, Object dest, String[] ignalString) {
if (dest == null || orig == null) {
return;
}
try {
if (orig != null && dest != null) {
PropertyDescriptor origDescriptors[] = propertyUtilsBean.getPropertyDescriptors(dest);
List list = new ArrayList();
for (int i = 0; i < origDescriptors.length; i++) {
String name = origDescriptors[i].getName();
if ("class".equals(name) {
continue;
}
if (!stringArrayContain(ignalString, name) && propertyUtilsBean.isReadable(orig, name)
&& propertyUtilsBean.isWriteable(dest, name) {
Object orig_value = propertyUtilsBean.getProperty(orig, name);
String dest_type = propertyUtilsBean.getPropertyType(dest, name).getName();
if (orig_value == null) {
continue;
} else if ((dest_type.equals("java.sql.Date") || dest_type.equals("java.util.Date") || dest_type.equals("java.math.BigDecimal")
&& ("".equals(orig_value)|| orig_value == null) {
BeanUtils.copyProperty(dest, name, null);
list.add(name);
} else {
try {
BeanUtils.copyProperty(dest, name, orig_value);
} catch (Exception ex) {
// logger.error(ex);
// ex.printStackTrace();
}
}
}
}
if (propertyUtilsBean.isReadable(dest, "modifyStrs")
&& propertyUtilsBean.isWriteable(dest, "modifyStrs") {
BeanUtils.copyProperty(dest, "modifyStrs", list);
}
}
} catch (Exception ex) {
ex.printStackTrace();
}
}
public static boolean stringArrayContain(String[] array, String isContain) {
for (String str : array) {
if (str != null && str.equals(isContain) {
return true;
}
}
return false;
}
}