gbkstring.java

struts hibernate spring

package com.syfxapp.util;

import java.io.Serializable;
import java.io.UnsupportedEncodingException;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;

import oracle.jdbc.driver.OracleTypes;

import org.apache.commons.lang.builder.HashCodeBuilder;
import org.hibernate.HibernateException;
import org.hibernate.usertype.UserType;

public class GBKString implements UserType {

	 public GBKString() {      
	        super();      
	    }      
	     
	    public int[] sqlTypes() {      
	        return new int[] { OracleTypes.VARCHAR };      
	    }      
	     
	    public Class returnedClass() {      
	        return String.class;      
	    }      
	     
	    public boolean equals(Object x, Object y) throws HibernateException {      
	        return (x == y) || (x != null && y != null && (x.equals(y)));      
	    }      
	     
	    public Object nullSafeGet(ResultSet rs, String[] names, Object owner) throws HibernateException,      
	            SQLException {      
	        String val = rs.getString(names[0]);      
	        if (null == val) {      
	            return null;      
	        } else {      
	            try {      
	                val = new String(val.getBytes("iso-8859-1"), "GBK");      
	            } catch (UnsupportedEncodingException e) {      
	                throw new HibernateException(e.getMessage());      
	            }      
	            return val;      
	        }      
	    }      
	     
	    public void nullSafeSet(PreparedStatement st, Object value, int index) throws HibernateException,      
	            SQLException {      
	        if (value == null) {      
	            st.setNull(index, OracleTypes.VARCHAR);      
	        } else {      
	            String val = (String)value;      
	            try {      
	                val = new String(val.getBytes("GBK"), "iso-8859-1");      
	            } catch (UnsupportedEncodingException e) {      
	                throw new HibernateException(e.getMessage());      
	            }      
	            st.setObject(index, val, OracleTypes.VARCHAR);      
	        }      
	    }      
	     
	    public Object deepCopy(Object value) throws HibernateException {      
	        if (value == null)      
	            return null;      
	        return new String((String) value);      
	    }      
	     
	    public boolean isMutable() {      
	        return false;      
	    }      
	     
	    public Object assemble(Serializable arg0, Object arg1) throws HibernateException {      
	        // TODO Auto-generated method stub      
	        return null;      
	    }      
	     
	    public Serializable disassemble(Object arg0) throws HibernateException {      
	        // TODO Auto-generated method stub      
	        return null;      
	    }      
	     
	    public int hashCode(Object arg0) throws HibernateException {      
	        return HashCodeBuilder.reflectionHashCode(this);      
	    }      
	     
	    public Object replace(Object arg0, Object arg1, Object arg2) throws HibernateException {      
	        // TODO Auto-generated method stub      
	        return null;      
	    }      

}