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/*
* $Id$
*
* This file is part of the OpenLink Software Virtuoso Open-Source (VOS)
* project.
*
* Copyright (C) 1998-2012 OpenLink Software
*
* This project 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; only version 2 of the License, dated June 1991.
*
* 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
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
package virtuoso.jdbc2;
import java.sql.*;
import java.util.*;
import java.io.*;
import java.math.*;
import openlink.util.*;
public class VirtuosoExplicitString
{
private int dtp;
private byte[] bytes;
private String str;
private VirtuosoConnection con;
protected VirtuosoExplicitString (byte [] bytes, int dtp)
{
this.dtp = dtp;
this.bytes = bytes;
this.str = null;
}
protected VirtuosoExplicitString (String str, int dtp, VirtuosoConnection con) throws VirtuosoException
{
try
{
this.dtp = dtp;
this.con = con;
if (dtp == VirtuosoTypes.DV_WIDE ||
dtp == VirtuosoTypes.DV_LONG_WIDE ||
dtp == VirtuosoTypes.DV_BLOB_WIDE)
{
// If it's an wide parameter
bytes = str.getBytes ("UTF8");
if (bytes.length < 256)
this.dtp = VirtuosoTypes.DV_WIDE;
else
this.dtp = VirtuosoTypes.DV_LONG_WIDE;
this.str = str;
}
else if (dtp == VirtuosoTypes.DV_STRING || dtp == VirtuosoTypes.DV_SHORT_STRING_SERIAL ||
dtp == VirtuosoTypes.DV_STRICT_STRING || dtp == VirtuosoTypes.DV_C_STRING ||
dtp == VirtuosoTypes.DV_BLOB || dtp == VirtuosoTypes.DV_ANY)
{
// If it's an narrow parameter
if (con != null && con.charset_utf8)
bytes = str.getBytes ("UTF8");
else if (con != null && con.charset != null)
bytes = con.charsetBytes(str);
else
cli_wide_to_narrow (str, con != null ? con.client_charset_hash : null);
if (bytes.length < 256)
this.dtp = VirtuosoTypes.DV_SHORT_STRING_SERIAL;
else
this.dtp = VirtuosoTypes.DV_STRING;
}
else if (dtp == VirtuosoTypes.DV_BLOB_BIN || dtp == VirtuosoTypes.DV_BIN)
{
bytes = str.getBytes ("8859_1");
if (bytes.length < 256)
this.dtp = VirtuosoTypes.DV_SHORT_STRING_SERIAL;
else
this.dtp = VirtuosoTypes.DV_STRING;
}
else
{
// all other parameters
if (!cli_wide_to_narrow (str, con != null ? con.client_charset_hash : null))
{
bytes = str.getBytes ("UTF8");
if (bytes.length < 256)
this.dtp = VirtuosoTypes.DV_WIDE;
else
this.dtp = VirtuosoTypes.DV_LONG_WIDE;
this.str = str;
}
else
{
if (con != null && con.charset_utf8)
bytes = str.getBytes ("UTF8");
else if (con != null && con.charset != null)
bytes = con.charsetBytes(str);
if (bytes.length < 256)
this.dtp = VirtuosoTypes.DV_SHORT_STRING_SERIAL;
else
this.dtp = VirtuosoTypes.DV_STRING;
}
}
//System.err.println ("Str=[" + str + "] dtp=" + this.dtp);
}
catch (java.io.UnsupportedEncodingException e)
{
//e.printStackTrace();
if (con != null && con.charset != null)
bytes = con.charsetBytes(str);
else
cli_wide_to_narrow (str, con != null ? con.client_charset_hash : null);
if (bytes.length < 256)
dtp = VirtuosoTypes.DV_SHORT_STRING_SERIAL;
else
dtp = VirtuosoTypes.DV_STRING;
}
}
protected boolean cli_wide_to_narrow (String str, Hashtable charset_ht)
{
boolean ret = true;
if (str == null)
{
bytes = new byte[0];
return (true);
}
bytes = new byte[str.length()];
if (charset_ht == null)
{
for (int i = 0; i < str.length(); i++)
bytes[i] = (byte)str.charAt(i);
}
else
{
for (int i = 0; i < str.length(); i++)
{
Character ch = new Character (str.charAt(i));
Byte b;
b = (Byte)(charset_ht != null ? charset_ht.get (ch) : new Byte ((byte) (ch.charValue())));
if (b == null)
{
bytes[i] = (byte) '?';
ret = false;
}
else
bytes[i] = (byte) b.intValue();
}
}
return ret;
}
protected boolean cli_wide_to_escaped (String str, Hashtable ht)
{
boolean ret = true;
if (str == null)
{
bytes = new byte[0];
dtp = VirtuosoTypes.DV_SHORT_STRING_SERIAL;
return (true);
}
//System.err.println ("cli_wide_to_escaped");
StringBuffer strbuf = new StringBuffer ();
for (int i = 0; i < str.length(); i++)
{
char curr = str.charAt(i);
Byte b = null;
if (ht != null)
{
Character ch = new Character (curr);
b = (Byte)ht.get (ch);
if (b == null)
{
strbuf.append ("\\x");
strbuf.append (Integer.toString (ch.charValue(), 16));
}
else
{
strbuf.append ((char) b.intValue());
}
}
else
{
if (((int)curr) > 256)
{
strbuf.append ("\\x");
strbuf.append (Integer.toString ((int) curr, 16));
}
else
strbuf.append (curr);
}
}
bytes = new byte[strbuf.length() + 1];
for (int i = 0; i < strbuf.length(); i++)
bytes[i] = (byte) strbuf.charAt (i);
strbuf = null;
if (bytes.length < 256)
this.dtp = VirtuosoTypes.DV_SHORT_STRING_SERIAL;
else
this.dtp = VirtuosoTypes.DV_STRING;
return true;
}
protected int getDtp() { return this.dtp; };
protected void write (VirtuosoOutputStream os) throws IOException
{
os.write (dtp);
if (bytes.length < 256)
os.write (bytes.length);
else
os.writelongint (bytes.length);
os.write (bytes, 0, bytes.length);
}
public String toString ()
{
if (this.str != null)
return this.str;
try
{
if (dtp == VirtuosoTypes.DV_WIDE || dtp == VirtuosoTypes.DV_LONG_WIDE)
return new String (bytes, "UTF8");
else if (this.con != null && this.con.charset != null)
return this.con.uncharsetBytes (new String (bytes, "8859_1"));
else
return new String (bytes, "8859_1");
}
catch (Exception e)
{
char [] chars = new char [bytes.length];
for (int i =0 ; i < bytes.length; i++)
chars[i] = (char)(bytes[i] & 0xff);
return new String (chars);
}
}
public String toParamString ()
{
return toString().trim();
}
public boolean equals (Object obj)
{
if (obj != null && (obj instanceof VirtuosoExplicitString))
{
VirtuosoExplicitString sobj = (VirtuosoExplicitString)obj;
if (sobj.dtp != this.dtp)
return false;
else
return sobj.bytes.equals (this.bytes);
}
else
return false;
}
}
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