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Cfg: Add transaction to upgrader; handle pre-existing back file; add try / catch

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This commit is contained in:
gnosygnu 2017-01-01 14:21:05 -05:00
parent 360129b7de
commit 562c5b5a56
2 changed files with 44 additions and 38 deletions
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2
400_xowa/src/gplx/xowa/Xoa_app_.java
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@ -32,7 +32,7 @@ public class Xoa_app_ {
} }
} }
public static final String Name = "xowa"; public static final String Name = "xowa";
public static final String Version = "3.12.2.1612"; public static final String Version = "4.0.0.1701";
public static String Build_date = "2012-12-30 00:00:00"; public static String Build_date = "2012-12-30 00:00:00";
public static String Op_sys_str; public static String Op_sys_str;
public static String User_agent = ""; public static String User_agent = "";

80
400_xowa/src/gplx/xowa/addons/apps/cfgs/upgrades/Xocfg_upgrade_mgr.java
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@ -19,46 +19,52 @@ package gplx.xowa.addons.apps.cfgs.upgrades; import gplx.*; import gplx.xowa.*;
import gplx.dbs.*; import gplx.dbs.*;
public class Xocfg_upgrade_mgr { public class Xocfg_upgrade_mgr {
public static void Convert(Xoae_app app) { public static void Convert(Xoae_app app) {
// get cfg_fil; if empty, exit
Io_url cfg_fil = app.Fsys_mgr().Root_dir().GenSubFil_nest("user", "anonymous", "app", "data", "cfg", "xowa_user_cfg.gfs");
byte[] cfg_raw = Io_mgr.Instance.LoadFilBryOrNull(cfg_fil);
if (cfg_raw == null) return;
// log and rename file
Gfo_usr_dlg_.Instance.Log_many("", "", "cfg.convert:old cfg found; converting");
Io_mgr.Instance.MoveFil(cfg_fil, cfg_fil.GenNewExt(".bak"));
// parse, remap, and update
Keyval[] kvs = Parse(cfg_raw);
// get mappings
Ordered_hash mappings = Ordered_hash_.New();
Db_conn conn = app.Cfg().Cache_mgr().Db_app().Conn();
Db_rdr rdr = conn.Stmt_sql("SELECT * FROM cfg_upgrade").Exec_select__rls_auto();
try { try {
while (rdr.Move_next()) { // get cfg_fil; if empty, exit
String cfg_old = rdr.Read_str("cfg_old"); Io_url cfg_fil = app.Fsys_mgr().Root_dir().GenSubFil_nest("user", "anonymous", "app", "data", "cfg", "xowa_user_cfg.gfs");
String cfg_new = rdr.Read_str("cfg_new"); byte[] cfg_raw = Io_mgr.Instance.LoadFilBryOrNull(cfg_fil);
mappings.Add(cfg_old, Keyval_.new_(cfg_old, cfg_new)); if (cfg_raw == null) return;
}
}
finally {rdr.Rls();}
// remap // log and rename file
for (Keyval kv : kvs) { Gfo_usr_dlg_.Instance.Log_many("", "", "cfg.convert:old cfg found; converting");
Keyval mapping = (Keyval)mappings.Get_by(kv.Key()); Io_mgr.Instance.MoveFil_args(cfg_fil, cfg_fil.GenNewExt(".bak"), true).Exec();
if (mapping == null) {
Gfo_usr_dlg_.Instance.Log_many("", "", "cfg.convert:could not find mapping; key=~{0} val=~{1}", kv.Key(), kv.Val());
kv.Key_("");
continue;
}
kv.Key_(mapping.Val());
}
// apply // parse, remap, and update
for (Keyval kv : kvs) { Keyval[] kvs = Parse(cfg_raw);
if (String_.Eq(kv.Key(), "")) continue;
app.Cfg().Set_str_app(kv.Key(), kv.Val_to_str_or_empty()); // get mappings
Ordered_hash mappings = Ordered_hash_.New();
Db_conn conn = app.Cfg().Cache_mgr().Db_app().Conn();
Db_rdr rdr = conn.Stmt_sql("SELECT * FROM cfg_upgrade").Exec_select__rls_auto();
try {
while (rdr.Move_next()) {
String cfg_old = rdr.Read_str("cfg_old");
String cfg_new = rdr.Read_str("cfg_new");
mappings.Add(cfg_old, Keyval_.new_(cfg_old, cfg_new));
}
}
finally {rdr.Rls();}
// remap
for (Keyval kv : kvs) {
Keyval mapping = (Keyval)mappings.Get_by(kv.Key());
if (mapping == null) {
Gfo_usr_dlg_.Instance.Log_many("", "", "cfg.convert:could not find mapping; key=~{0} val=~{1}", kv.Key(), kv.Val());
kv.Key_("");
continue;
}
kv.Key_(mapping.Val());
}
// apply
app.Cfg().Cache_mgr().Db_usr().Conn().Txn_bgn("convert");
for (Keyval kv : kvs) {
if (String_.Eq(kv.Key(), "")) continue;
app.Cfg().Set_str_app(kv.Key(), kv.Val_to_str_or_empty());
}
app.Cfg().Cache_mgr().Db_usr().Conn().Txn_end();
} catch (Exception exc) {
Gfo_usr_dlg_.Instance.Warn_many("", "", "failed to convert old cfg; err=~{0}", Err_.Message_gplx_log(exc));
} }
} }
public static Keyval[] Parse(byte[] src) { public static Keyval[] Parse(byte[] src) {