/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* Copyright (c) 2010, Red Hat Inc. or third-party contributors as
* indicated by the @author tags or express copyright attribution
* statements applied by the authors. All third-party contributions are
* distributed under license by Red Hat Inc.
*
* This copyrighted material is made available to anyone wishing to use, modify,
* copy, or redistribute it subject to the terms and conditions of the GNU
* Lesser General Public License, as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
* for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this distribution; if not, write to:
* Free Software Foundation, Inc.
* 51 Franklin Street, Fifth Floor
* Boston, MA 02110-1301 USA
*/
package org.hibernate.type;
import java.io.IOException;
import java.io.Reader;
import java.io.StringReader;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import org.hibernate.HibernateException;
/**
* An abstract type for mapping long string SQL types to a Java String.
* @author Gavin King, Bertrand Renuart (from TextType)
*
* @deprecated Use the {@link AbstractStandardBasicType} approach instead
*/
public abstract class AbstractLongStringType extends ImmutableType {
public void set(PreparedStatement st, Object value, int index) throws HibernateException, SQLException {
String str = (String) value;
st.setCharacterStream( index, new StringReader(str), str.length() );
}
public Object get(ResultSet rs, String name) throws HibernateException, SQLException {
// Retrieve the value of the designated column in the current row of this
// ResultSet object as a java.io.Reader object
Reader charReader = rs.getCharacterStream(name);
// if the corresponding SQL value is NULL, the reader we got is NULL as well
if (charReader==null) return null;
// Fetch Reader content up to the end - and put characters in a StringBuffer
StringBuffer sb = new StringBuffer();
try {
char[] buffer = new char[2048];
while (true) {
int amountRead = charReader.read(buffer, 0, buffer.length);
if ( amountRead == -1 ) break;
sb.append(buffer, 0, amountRead);
}
}
catch (IOException ioe) {
throw new HibernateException( "IOException occurred reading text", ioe );
}
finally {
try {
charReader.close();
}
catch (IOException e) {
throw new HibernateException( "IOException occurred closing stream", e );
}
}
// Return StringBuffer content as a large String
return sb.toString();
}
public Class getReturnedClass() {
return String.class;
}
public String toString(Object val) {
return (String) val;
}
public Object fromStringValue(String xml) {
return xml;
}
}