/*
* Copyright (c) 1998-2011 Caucho Technology -- all rights reserved
*
* This file is part of Resin(R) Open Source
*
* Each copy or derived work must preserve the copyright notice and this
* notice unmodified.
*
* Resin Open Source is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* Resin Open Source 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, or any warranty
* of NON-INFRINGEMENT. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License
* along with Resin Open Source; if not, write to the
*
* Free Software Foundation, Inc.
* 59 Temple Place, Suite 330
* Boston, MA 02111-1307 USA
*
* @author Scott Ferguson
*/
package com.caucho.amber.type;
import com.caucho.amber.manager.AmberPersistenceUnit;
import com.caucho.java.JavaWriter;
import com.caucho.util.L10N;
import java.io.IOException;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
/**
* The type of a property.
*/
public class StringType extends AmberType {
private static final L10N L = new L10N(StringType.class);
private static final StringType STRING_TYPE = new StringType();
private StringType()
{
}
/**
* Returns the string type.
*/
public static StringType create()
{
return STRING_TYPE;
}
/**
* Returns the type name.
*/
public String getName()
{
return "java.lang.String";
}
/**
* Generates the type for the table.
*/
public String generateCreateColumnSQL(AmberPersistenceUnit manager, int length, int precision, int scale)
{
if (length == 0)
length = 255;
return "varchar(" + length + ")";
// return manager.getCreateColumnSQL(Types.VARCHAR, length);
}
/**
* Generates a string to load the property.
*/
public int generateLoad(JavaWriter out, String rs,
String indexVar, int index)
throws IOException
{
out.print(rs + ".getString(" + indexVar + " + " + index + ")");
return index + 1;
}
/**
* Generates a string to load the property.
*/
public int generateLoadNative(JavaWriter out, int index)
throws IOException
{
out.print("rs.getString(columnNames[" + index + "])");
return index + 1;
}
/**
* Generates a string to set the property.
*/
public void generateSet(JavaWriter out, String pstmt,
String index, String value)
throws IOException
{
if (pstmt.startsWith("query"))
out.println(pstmt + ".setString(" + index + "++, " + value + ");");
else
out.println("StringType.setString(" + pstmt + ", " + index + "++, " + value + ");");
}
/**
* Sets the value.
*/
public void setParameter(PreparedStatement pstmt, int index, Object value)
throws SQLException
{
if (value == null) {
// XXX: issue with derby.
// pstmt.setNull(index, java.sql.Types.OTHER);
pstmt.setString(index, null);
}
else if (value instanceof String)
pstmt.setString(index, (String) value);
else // ejb/0623
pstmt.setObject(index, value);
}
/**
* Sets the value.
*/
public void setParameter(PreparedStatement pstmt, int index, String value)
throws SQLException
{
if (value == null)
pstmt.setNull(index, java.sql.Types.VARCHAR);
else
pstmt.setString(index, value);
}
/**
* Gets the value.
*/
public Object getObject(ResultSet rs, int index)
throws SQLException
{
return rs.getString(index);
}
/**
* Sets the value.
*/
public static void setString(PreparedStatement pstmt, int index, Object value)
throws SQLException
{
if (value == null) {
// XXX: issue with derby.
// pstmt.setNull(index, java.sql.Types.OTHER);
pstmt.setString(index, null);
}
else if (value instanceof String)
pstmt.setString(index, (String) value);
else // ejb/0623
pstmt.setObject(index, value);
}
/**
* Sets the value.
*/
public static void setString(PreparedStatement pstmt, int index, String value)
throws SQLException
{
if (value == null)
pstmt.setNull(index, java.sql.Types.VARCHAR);
else
pstmt.setString(index, value);
}
}