You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
gnosygnu_xowa/140_dbs/src/gplx/dbs/Db_rdr__basic.java

49 lines
4.0 KiB

/*
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_exc(e, "db", "move_next failed; check column casting error in SQL", "sql", sql);}
}
@gplx.Virtual public byte[] Read_bry(String k) {try {return (byte[])rdr.getObject(k);} catch (Exception e) {throw Err_.new_exc(e, "db", "read failed", "key", k, "type", Bry_.Cls_val_name);}}
@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_exc(e, "db", "read failed", "key", k, "type", String_.Cls_val_name);}}
@gplx.Virtual public void Save_bry_in_parts(Io_url url, String tbl, String fld, String crt_key, Object crt_val) {throw Err_.new_unimplemented();}
@gplx.Virtual public String Read_str(String k) {try {return (String)rdr.getObject(k);} catch (Exception e) {throw Err_.new_exc(e, "db", "read failed", "key", k, "type", String_.Cls_val_name);}}
@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_exc(e, "db", "read failed", "key", k, "type", Int_.Cls_val_name);}}
@gplx.Virtual public long Read_long(String k) {try {return Long_.cast(rdr.getObject(k));} catch (Exception e) {throw Err_.new_exc(e, "db", "read failed", "key", k, "type", Long_.Cls_val_name);}}
@gplx.Virtual public float Read_float(String k) {try {return Float_.cast(rdr.getObject(k));} catch (Exception e) {throw Err_.new_exc(e, "db", "read failed", "key", k, "type", Float_.Cls_val_name);}}
@gplx.Virtual public double Read_double(String k) {try {return Double_.cast(rdr.getObject(k));} catch (Exception e) {throw Err_.new_exc(e, "db", "read failed", "key", k, "type", Double_.Cls_val_name);}}
@gplx.Virtual public byte Read_byte(String k) {try {return Byte_.cast(rdr.getObject(k));} catch (Exception e) {throw Err_.new_exc(e, "db", "read failed", "key", k, "type", Byte_.Cls_val_name);}}
@gplx.Virtual public boolean Read_bool_by_byte(String k) {try {return Byte_.cast(rdr.getObject(k)) == 1;} catch (Exception e) {throw Err_.new_exc(e, "db", "read failed", "key", k, "type", Bool_.Cls_val_name);}}
@gplx.Virtual public int Fld_len() {try {return rdr.getMetaData().getColumnCount();} catch (Exception e) {throw Err_.new_exc(e, "db", "field count failed", "sql", sql);}}
@gplx.Virtual public Object Read_obj(String k) {try {return rdr.getObject(k);} catch (Exception e) {throw Err_.new_exc(e, "db", "read failed", "key", k, "type", Object_.Cls_val_name);}}
@gplx.Virtual public Object Read_at(int i) {try {return rdr.getObject(i + 1);} catch (Exception e) {throw Err_.new_exc(e, "db", "read failed", "idx", i, "type", Object_.Cls_val_name);}}
@gplx.Virtual public void Rls() {
try {rdr.close();}
catch (Exception e) {throw Err_.new_exc(e, "db", "close failed");}
if (stmt != null) stmt.Rls();
}
}