/*
* Created on Jun 4, 2005
*/
package com.whatever.hibernate.usertypes;

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

import org.hibernate.HibernateException;
import org.hibernate.usertype.UserType;

public class TrimmedString implements UserType {
   
       public TrimmedString() {
           super();
       }

       public int[] sqlTypes() {
           return new int[] { Types.CHAR };
       }

       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]);
           return val != null ? val.trim() : null;
       }

       public void nullSafeSet(PreparedStatement st, Object value, int index) throws HibernateException, SQLException {
           st.setString(index, (String)value);
       }

       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 cached, Object owner)
         throws HibernateException {
         return cached;
      }
      public Serializable disassemble(Object value) throws HibernateException {
         return (Serializable)value;
      }
      public int hashCode(Object x) throws HibernateException {
         return x.hashCode();
      }
      public Object replace(Object original, Object target, Object owner)
            throws HibernateException {
         return original;
      }
}