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gnosygnu_xowa/140_dbs/src/gplx/dbs/Db_rdr__basic.java
2015-06-28 23:29:30 -04:00

46 lines
3.6 KiB
Java

/*
XOWA: the XOWA Offline Wiki Application
Copyright (C) 2012 gnosygnu@gmail.com
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as
published by the Free Software Foundation, either version 3 of the
License, or (at your option) any later version.
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 Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package gplx.dbs; import gplx.*;
import java.sql.ResultSet;
public class Db_rdr__basic implements Db_rdr {
protected ResultSet rdr;
private Db_stmt stmt;
public void Ctor(Db_stmt stmt, ResultSet rdr, String sql) {this.stmt = stmt; this.rdr = rdr; this.sql = sql;}
public String Sql() {return sql;} private String sql;
public boolean Move_next() {
try {return rdr.next();}
catch (Exception e) {throw Err_.new_fmt_("move_next failed; check column casting error in SQL: err={0} sql={1}", Err_.Message_lang(e), sql);}
}
@gplx.Virtual public byte[] Read_bry(String k) {try {return (byte[])rdr.getObject(k);} catch (Exception e) {throw Err_.new_("read failed: k={0} type={1} err={2}", k, Bry_.Cls_val_name, Err_.Message_lang(e));}}
@gplx.Virtual public byte[] Read_bry_by_str(String k) {try {return Bry_.new_u8((String)rdr.getObject(k));} catch (Exception e) {throw Err_.new_("read failed: k={0} type={1} err={2}", k, String_.Cls_val_name, Err_.Message_lang(e));}}
@gplx.Virtual public void Save_bry_in_parts(Io_url url, String tbl, String fld, String crt_key, Object crt_val) {throw Err_.not_implemented_();}
@gplx.Virtual public String Read_str(String k) {try {return (String)rdr.getObject(k);} catch (Exception e) {throw Err_.new_("read failed: k={0} type={1} err={2}", k, String_.Cls_val_name, Err_.Message_lang(e));}}
@gplx.Virtual public DateAdp Read_date_by_str(String k) {return DateAdp_.parse_iso8561(Read_str(k));}
@gplx.Virtual public int Read_int(String k) {try {return Int_.cast_(rdr.getObject(k));} catch (Exception e) {throw Err_.new_("read failed: k={0} type={1} err={2}", k, Int_.Cls_val_name, Err_.Message_lang(e));}}
@gplx.Virtual public long Read_long(String k) {try {return Long_.cast_(rdr.getObject(k));} catch (Exception e) {throw Err_.new_("read failed: k={0} type={1} err={2}", k, Long_.Cls_val_name, Err_.Message_lang(e));}}
@gplx.Virtual public float Read_float(String k) {try {return Float_.cast_(rdr.getObject(k));} catch (Exception e) {throw Err_.new_("read failed: k={0} type={1} err={2}", k, Float_.Cls_val_name, Err_.Message_lang(e));}}
@gplx.Virtual public double Read_double(String k) {try {return Double_.cast_(rdr.getObject(k));} catch (Exception e) {throw Err_.new_("read failed: k={0} type={1} err={2}", k, Double_.Cls_val_name, Err_.Message_lang(e));}}
@gplx.Virtual public byte Read_byte(String k) {try {return Byte_.cast_(rdr.getObject(k));} catch (Exception e) {throw Err_.new_("read failed: k={0} type={1} err={2}", k, Byte_.Cls_val_name, Err_.Message_lang(e));}}
@gplx.Virtual public boolean Read_bool_by_byte(String k) {try {return Byte_.cast_(rdr.getObject(k)) == 1;} catch (Exception e) {throw Err_.new_("read failed: k={0} type={1} err={2}", k, Bool_.Cls_val_name, Err_.Message_lang(e));}}
@gplx.Virtual public void Rls() {
try {rdr.close();}
catch (Exception e) {throw Err_.new_("close failed: err={0}", Err_.Message_lang(e));}
if (stmt != null) stmt.Rls();
}
}