package org.accesointeligente.server;
import java.io.Serializable;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Types;
import java.util.Properties;
import org.hibernate.HibernateException;
import org.hibernate.MappingException;
import org.hibernate.usertype.ParameterizedType;
import org.hibernate.usertype.UserType;
public class EnumUserType implements UserType, ParameterizedType {
private Class clazz = null;
String enumClassName = params.getProperty("enumClassName");
if (enumClassName == null) {
throw new MappingException("enumClassName parameter not specified");
}
try {
this.clazz = Class.forName(enumClassName);
} catch (ClassNotFoundException e) {
throw new MappingException("enumClass " + enumClassName + " not found", e);
}
}
private static final int[] SQL_TYPES = { Types.VARCHAR };
return SQL_TYPES;
}
return clazz;
}
public Object
nullSafeGet(ResultSet resultSet, String[] names, Object owner)
throws HibernateException, SQLException {
String name = resultSet.getString(names[0]);
Object result = null;
if (!resultSet.wasNull()) {
result = Enum.valueOf(clazz, name);
}
return result;
}
public void nullSafeSet(PreparedStatement preparedStatement, Object value,
int index)
throws HibernateException, SQLException {
if (null == value) {
preparedStatement.setNull(index, Types.VARCHAR);
} else {
preparedStatement.setString(index, ((Enum) value).name());
}
}
public Object
deepCopy(Object value)
throws HibernateException {
return value;
}
return false;
}
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 original;
}
public int hashCode(Object x)
throws HibernateException {
return x.hashCode();
}
public boolean equals(Object x, Object y)
throws HibernateException {
if (x == y)
return true;
if (null == x || null == y)
return false;
return x.equals(y);
}
}