package org.william.First;

import org.hibernate.usertype.*;
import java.io.Serializable;
import java.sql.Types;
import java.util.List;
import java.util.ArrayList;
import java.util.Vector;
import org.hibernate.type.*;
import org.hibernate.*;

import javax.sql.*;
import java.sql.*;

/**
?* @author wangliang138840
?*
?*/
public class EMailList implements UserType{
?private List eMails;
?private static final char SPLITE = ';';
?//各個字段的類型
?public static final int[] TYPES = new int[]{Types.VARCHAR };
?//本實例是否可變
?public boolean isMutable(){
??return false;
?}
?//返回字段類型
?public int[] sqlTypes(){
??return TYPES;
?}
?//返回字段類型類
?public Class returnedClass(){
??return List.class;
?}
?/* (non-Javadoc)
? * @see org.hibernate.usertype.UserType#deepCopy(java.lang.Object)
? * 完全拷貝一個變量實體；
? */
?public Object deepCopy(Object value) throws HibernateException{
??List targetList = new ArrayList();
??if(value == null)return targetList;
??List sourceList = (List)value;
??targetList.addAll(sourceList);
??return targetList;
?}
?/* (non-Javadoc)
? * @see org.hibernate.usertype.UserType#equals(java.lang.Object, java.lang.Object)
? * 判斷兩個實體是否相等
? */
?public boolean equals(Object x, Object y) throws HibernateException{
??if( x == y) return true;
??if(x != null && y != null){
???List listX = (List)x;
???List listY = (List)y;
???if(listX.size() != listY.size()) return false;
???for(int i = 0; i< listX.size(); i++){
????String str1 = (String)listX.get(i);
????String str2 = (String)listY.get(i);
????if(!equals(str1,str2)) return false;
???}
???return true;
??}
??return false;
?}
?
?public int hashCode(Object x)
??throws HibernateException{
??return -1;
?}
?public Object nullSafeGet(ResultSet rs, String[] names, Object owner)
??throws HibernateException, SQLException{
??String value = (String)Hibernate.STRING.nullSafeGet(rs, names[0]);
??if(value != null)return db2oo(value);
??else return new ArrayList();
?}
?
?/* (non-Javadoc)
? * @see org.hibernate.usertype.UserType#nullSafeSet(java.sql.PreparedStatement, java.lang.Object, int)
? */
?public void nullSafeSet(PreparedStatement st, Object value, int index)
??throws HibernateException, SQLException{
??if(value != null){
???Object str = oo2db(value);
???Hibernate.STRING.nullSafeSet(st, str, index);
??}else{
???Hibernate.STRING.nullSafeSet(st, value, index);
??}
?}
?
?/**
? * @param value
? * @return
? */
?private Object oo2db(Object value){
??StringBuffer strBuf = new StringBuffer();
??List list = (List)value;
??for(int i = 0; i<list.size() -1; i++){
???strBuf.append(list.get(i)).append(SPLITE);
??}
??strBuf.append(list.get(list.size()-1));
??return (Object)strBuf.toString();
?}
?
?/**
? * @param value
? * @return
? */
?private List db2oo(String value){
??Vector strs = org.apache.tools.ant.util.StringUtils.split(value, SPLITE);
??List emailList = new ArrayList();
??for(int i = 0; i<strs.size(); i++){
???emailList.add(strs.get(i));
??}
??return emailList;
?}

?/* (non-Javadoc)
? * @see org.hibernate.usertype.UserType#assemble(java.io.Serializable, java.lang.Object)
? */
?public Object assemble(Serializable cached, Object owner)
??throws HibernateException{
??return cached;
?}
?
?public Serializable disassemble(Object value)
??throws HibernateException{
??return (Serializable)value;
?}
?
?public Object replace(Object original, Object target, Object owner)
??throws HibernateException{
??return null;
?}
?
}