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50 lines
4.0 KiB
Java
50 lines
4.0 KiB
Java
/*
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XOWA: the XOWA Offline Wiki Application
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Copyright (C) 2012-2017 gnosygnu@gmail.com
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XOWA is licensed under the terms of the General Public License (GPL) Version 3,
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or alternatively under the terms of the Apache License Version 2.0.
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You may use XOWA according to either of these licenses as is most appropriate
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for your project on a case-by-case basis.
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The terms of each license can be found in the source code repository:
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GPLv3 License: https://github.com/gnosygnu/xowa/blob/master/LICENSE-GPLv3.txt
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Apache License: https://github.com/gnosygnu/xowa/blob/master/LICENSE-APACHE2.txt
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*/
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package gplx.dbs; import gplx.*;
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import java.sql.ResultSet;
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public class Db_rdr__basic implements Db_rdr {
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protected ResultSet rdr;
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private Db_stmt stmt;
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public void Ctor(Db_stmt stmt, ResultSet rdr, String sql) {this.stmt = stmt; this.rdr = rdr; this.sql = sql;}
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public String Sql() {return sql;} private String sql;
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public boolean Move_next() {
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try {return rdr.next();}
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catch (Exception e) {throw Err_.new_exc(e, "db", "move_next failed; check column casting error in SQL", "sql", sql);}
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}
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@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);}}
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@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);}}
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@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();}
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@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);}}
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@gplx.Virtual public DateAdp Read_date_by_str(String k) {return DateAdp_.parse_iso8561(Read_str(k));}
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@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);}}
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@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);}}
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@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);}}
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@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);}}
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@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);}}
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@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);}}
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@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);}}
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@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);}}
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@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);}}
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@gplx.Virtual public void Rls() {
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try {rdr.close();}
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catch (Exception e) {throw Err_.new_exc(e, "db", "close failed");}
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if (stmt != null) {
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stmt.Rls();
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stmt = null; // NOTE: must null reference else will throw SQLException during statements DATE:2016-04-10
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}
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}
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}
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