package org.jbpm.db.hibernate;
// $Id: StringMax.java 3992 2009-02-21 13:48:56Z thomas.diesler@jboss.com $
import java.sql.PreparedStatement;
import java.sql.SQLException;
import java.util.Properties;
import org.hibernate.type.StringType;
import org.hibernate.usertype.ParameterizedType;
import org.jbpm.JbpmException;
/**
* A custom type that truncates string values
*/
public class StringMax extends StringType implements ParameterizedType
{
private static final long serialVersionUID = 1L;
int length = 4000;
public void set(PreparedStatement st, Object value, int index) throws SQLException
{
String string = (String)value;
if (string != null && string.length() > length)
{
string = string.substring(0, length);
}
super.set(st, string, index);
}
public void setParameterValues(Properties parameters)
{
if (parameters != null && parameters.containsKey("length"))
{
String propval = parameters.getProperty("length");
try
{
length = Integer.parseInt(propval);
}
catch (NumberFormatException e)
{
throw new JbpmException("hibernate column type 'string_max' can't parse value '" + propval + "' as a max length. default is 4000.", e);
}
}
}
}