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Boris Kocherov
jio
Commits
f976d3de
Commit
f976d3de
authored
Jun 05, 2014
by
Xiaowu Zhang
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fix blob storage exception in chrome browser
parent
99971bc2
Changes
2
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2 changed files
with
57 additions
and
37 deletions
+57
-37
src/jio.storage/indexeddbstorage.js
src/jio.storage/indexeddbstorage.js
+55
-37
test/jio.storage/indexeddbstorage.tests.js
test/jio.storage/indexeddbstorage.tests.js
+2
-0
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src/jio.storage/indexeddbstorage.js
View file @
f976d3de
...
...
@@ -28,7 +28,7 @@
*/
/*jslint indent: 2, maxlen: 80, nomen: true */
/*global define, module, require, indexedDB, jIO, RSVP, Blob
*/
/*global define, module, require, indexedDB, jIO, RSVP, Blob*/
(
function
(
dependencies
,
factory
)
{
"
use strict
"
;
...
...
@@ -134,19 +134,28 @@
*@param {Object} metadata The data to put in
*@return a new promise
*/
function
putIndexedDB
(
store
,
metadata
)
{
function
resolver
(
resolve
,
reject
)
{
var
request
=
store
.
put
(
metadata
);
request
.
onerror
=
reject
;
request
.
onsuccess
=
function
()
{
resolve
(
metadata
);
function
putIndexedDB
(
store
,
metadata
,
readData
)
{
var
request
,
resolver
;
try
{
request
=
store
.
put
(
metadata
);
resolver
=
function
(
resolve
,
reject
)
{
request
.
onerror
=
reject
;
request
.
onsuccess
=
function
()
{
resolve
(
metadata
);
};
};
return
new
RSVP
.
Promise
(
resolver
);
}
catch
(
e
)
{
return
putIndexedDB
(
store
,
{
"
_id
"
:
metadata
.
_id
,
"
_attachment
"
:
metadata
.
_attachment
,
"
blob
"
:
readData
});
}
return
new
RSVP
.
Promise
(
resolver
);
}
/**
* get a data from a store object
* @param {ObjectStore} store The objectstore
...
...
@@ -579,18 +588,20 @@
*
* @param {Object} command The JIO command
* @param {Object} metadata The data
*
*/
IndexedDBStorage
.
prototype
.
putAttachment
=
function
(
command
,
metadata
)
{
var
jio_storage
=
this
,
transaction
,
global_db
,
BlobInfo
,
digest
;
digest
,
readResult
;
new
RSVP
.
Queue
()
.
push
(
jIO
.
util
.
readBlobAsBinaryString
(
metadata
.
_blob
).
.
push
(
jIO
.
util
.
readBlobAsText
(
metadata
.
_blob
).
then
(
function
(
e
)
{
digest
=
jIO
.
util
.
makeBinaryStringDigest
(
e
.
target
.
result
);
digest
=
jIO
.
util
.
makeBinaryStringDigest
(
e
.
target
.
result
);
//xxx
readResult
=
e
.
target
.
result
;
BlobInfo
=
{
"
content_type
"
:
metadata
.
_blob
.
type
,
"
digest
"
:
digest
,
...
...
@@ -598,40 +609,40 @@
};
},
function
()
{
command
.
error
(
"
conflict
"
,
"
broken blob
"
,
"
Cannot read data to put
"
);
"
Cannot read data to put
"
);
}))
.
push
(
function
()
{
.
push
(
function
()
{
return
openIndexedDB
(
jio_storage
.
_database_name
);
})
.
push
(
function
(
db
)
{
.
push
(
function
(
db
)
{
global_db
=
db
;
transaction
=
db
.
transaction
([
"
attachment
"
,
"
blob
"
],
"
readwrite
"
);
"
blob
"
],
"
readwrite
"
);
return
promiseResearch
(
transaction
,
metadata
.
_id
,
"
attachment
"
,
"
_id
"
);
})
.
push
(
function
(
researchResult
)
{
.
push
(
function
(
researchResult
)
{
if
(
researchResult
.
result
===
undefined
)
{
throw
({
"
status
"
:
404
,
"
reason
"
:
"
Not Found
"
,
"
message
"
:
"
indexeddbStorage unable to put attachment
"
});
"
message
"
:
"
indexeddbStorage unable to put attachment
"
});
}
//update attachment
researchResult
.
result
.
_attachment
=
researchResult
.
result
.
_attachment
||
{};
||
{};
researchResult
.
result
.
_attachment
[
metadata
.
_attachment
]
=
BlobInfo
;
(
BlobInfo
===
undefined
)
?
"
BlobInfo
"
:
BlobInfo
;
return
putIndexedDB
(
researchResult
.
store
,
researchResult
.
result
);
})
.
push
(
function
()
{
.
push
(
function
()
{
//put in blob
var
store
=
transaction
.
objectStore
(
"
blob
"
);
return
putIndexedDB
(
store
,
{
"
_id
"
:
metadata
.
_id
,
"
_attachment
"
:
metadata
.
_attachment
,
"
blob
"
:
metadata
.
_blob
}
);
"
_attachment
"
:
metadata
.
_attachment
,
"
blob
"
:
metadata
.
_blob
},
readResult
);
})
.
push
(
function
()
{
return
({
"
digest
"
:
digest
});
.
push
(
function
()
{
return
({
"
digest
"
:
digest
});
//xxx
})
.
push
(
undefined
,
function
(
error
)
{
.
push
(
undefined
,
function
(
error
)
{
// Check if transaction is ongoing, if so, abort it
if
(
transaction
!==
undefined
)
{
transaction
.
abort
();
...
...
@@ -641,9 +652,11 @@
}
throw
error
;
})
.
push
(
command
.
success
,
command
.
error
,
command
.
notify
);
.
push
(
command
.
success
,
command
.
error
,
command
.
notify
);
};
/**
* Retriev a document attachment
*
...
...
@@ -656,28 +669,32 @@
global_db
,
_id_attachment
=
[
param
.
_id
,
param
.
_attachment
];
new
RSVP
.
Queue
()
.
push
(
function
()
{
.
push
(
function
()
{
return
openIndexedDB
(
jio_storage
.
_database_name
);
})
.
push
(
function
(
db
)
{
.
push
(
function
(
db
)
{
global_db
=
db
;
transaction
=
db
.
transaction
([
"
blob
"
],
"
readwrite
"
);
//check if the attachment exists
return
promiseResearch
(
transaction
,
_id_attachment
,
"
blob
"
,
"
_id_attachment
"
);
"
blob
"
,
"
_id_attachment
"
);
})
.
push
(
function
(
researchResult
)
{
.
push
(
function
(
researchResult
)
{
if
(
researchResult
.
result
===
undefined
)
{
throw
({
"
status
"
:
404
,
"
reason
"
:
"
missing attachment
"
,
"
message
"
:
"
IndexeddbStorage, unable to get attachment.
"
});
"
message
"
:
"
IndexeddbStorage, unable to get attachment.
"
});
}
return
getIndexedDB
(
researchResult
.
store
,
_id_attachment
);
})
.
push
(
function
(
result
)
{
//get data
.
push
(
function
(
result
)
{
//get data
if
(
typeof
result
.
blob
===
"
string
"
)
{
result
.
blob
=
new
Blob
([
result
.
blob
],
{
type
:
"
text/plain
"
});
}
return
({
"
data
"
:
result
.
blob
});
})
.
push
(
undefined
,
function
(
error
)
{
.
push
(
undefined
,
function
(
error
)
{
// Check if transaction is ongoing, if so, abort it
if
(
transaction
!==
undefined
)
{
transaction
.
abort
();
...
...
@@ -687,9 +704,10 @@
}
throw
error
;
})
.
push
(
command
.
success
,
command
.
error
,
command
.
notify
);
.
push
(
command
.
success
,
command
.
error
,
command
.
notify
);
};
/**
* Remove an attachment
*
...
...
@@ -764,4 +782,4 @@
};
jIO
.
addStorage
(
"
indexeddb
"
,
IndexedDBStorage
);
}));
\ No newline at end of file
}));
test/jio.storage/indexeddbstorage.tests.js
View file @
f976d3de
...
...
@@ -28,12 +28,14 @@
}
test
(
"
Scenario
"
,
32
,
function
()
{
// indexedDB.deleteDatabase("jio:test");
var
server
,
shared
=
{},
jio
=
jIO
.
createJIO
(
{
"
type
"
:
"
indexeddb
"
,
"
database
"
:
"
test
"
},
{
"
workspace
"
:
{}}
);
stop
();
server
=
{
restore
:
function
()
{
return
;
...
...
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