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README.md
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**jIO is a client-side JavaScript library to manage documents across multiple
storages.**
<!-- \index-and-table 3 -->
### Getting Started
To set up jIO include jio.js, dependencies and the connectors for the storages
......@@ -12,18 +10,20 @@ you want to use in your page header (note that more dependencies may be required
depending on type of storages being used):
<!-- jio + dependency -->
<script src="md5.js"></script>
<script src="complex-queries.js"></script>
<script src="sha256.amd.js"></script>
<script src="rsvp-custom.js"></script>
<script src="jio.js"></script>
<!-- jio storage libraries -->
<script src="localstorage.js">
<script src="revisionstorage.js">
<script src="complex-queries.js"></script>
<script src="localstorage.js"></script>
<script ...>
Then create your jIO instance like this:
// create a new jio (type = localStorage)
var jio_instance = jIO.newJio({
var jio_instance = jIO.createJIO({
"type": "local",
"username": "your_username",
"application_name": "your_application_name"
......@@ -32,114 +32,161 @@ Then create your jIO instance like this:
### Documents and Methods
Documents are JSON strings that contain *meta-data* (properties, like a filename)
and *attachments* (optional content, for example a base64 encoded image).
and *attachments* (optional content, for example *image.jpg*).
jIO exposes the following methods to *create*, *read*, *update* and *delete* documents
(for more information, including revision management and available options for
each method, please refer to the documentation):
// create and store new document
jio_instance.post({"title": "some title"}, function (err, response) {
jio_instance.post({"title": "some title"}).
then(function (response) {
// console.log(response):
// {"ok": "true", "id": "cabc9...826" } // Generated id
// {
// "result": "success",
// "id": "404aef5e-22cc-4a64-a292-37776c6464a3" // Generated id
// ...
// }
});
// create or update an existing document
jio_instance.put({"_id": "my_document", "title": "New Title"}, function (err, response) {
jio_instance.put({"_id": "my_document", "title": "New Title"}).
then(function (response) {
// console.log(response):
// {"ok": "true", "id": "my_document"}
// {
// "result": "success",
// "id": "my_document",
// ...
// }
});
// add an attachement to a document
jio_instance.putAttachment({"_id": "my_document", "_attachment": "its_attachment",
"_data":"abc", "_mimetype": "text/plain"}, function (err, response) {
"_data": "abc", "_mimetype": "text/plain"}).
then(function (response) {
// console.log(response):
// {"ok":"true", "id": "my_document", "attachment": "its_attachment"}
// {
// "result": "success",
// "id": "my_document",
// "attachment": "its_attachment"
// ...
// }
});
// read a document
jio_instance.get({"_id": "my_document"}, function (err, response) {
jio_instance.get({"_id": "my_document"}).
then(function (response) {
// console.log(response);
// {
// "data": {
// "_id": "my_document",
// "title": "New Title",
// "_attachments": {
// "its_attachment": {
// "length": 3,
// "digest": "md5-e7248fce8990089e402b00f89dc8d14d",
// "digest": "sha256-ba7816bf8f1cfea414140de5dae2223b0361a396177a9cb410ff61f2015ad",
// "content_type": "text/plain"
// }
// }
// },
// ...
// }
});
// read an attachement
jio_instance.getAttachment({"_id": "my_document", "_attachment": "its_attachment"}, function (err, response) {
jio_instance.getAttachment({"_id": "my_document", "_attachment": "its_attachment"}).
then(function (response) {
// console.log(response);
// "<Base64 Image>"
// {
// "data": Blob, // contains the attachment data + content type
// ...
// }
});
// delete a document and its attachment(s)
jio_instance.remove({"_id": "my_document"}, function (err, response) {
jio_instance.remove({"_id": "my_document"}).
then(function (response) {
// console.log(response):
// {"ok": "true", "id": "my_document"}
// {
// "result": "success",
// "id": "my_document"
// }
});
// delete an attachement
jio_instance.removeAttachment({"_id": "my_document", "_attachment": "its_attachment"}, function (err, response) {
jio_instance.removeAttachment({"_id": "my_document", "_attachment": "its_attachment"}).
then(function (response) {
// console.log(response):
// {"ok": true, "id": "my_document", "attachment": "its_attachment"}
// {
// "result": "success",
// "id": "my_document",
// "attachment": "its_attachment"
// }
});
// get all documents
jio_instance.allDocs(function (err, response){
jio_instance.allDocs().then(function (response) {
// console.log(response):
// {
// "data": {
// "total_rows": 1,
// "rows": [{
// "id": "my_document",
// "value": {}
// }]
// }
// }
});
### Example
This is an example of how to store a video file with one attachment in local
storage . Note that attachments should best be added inside one of the available
document callback methods (success & error or callback)
storage. Note that attachments should be added after document creation.
// create a new localStorage
var jio_instance = jIO.newJio({
"type":"local",
"username":"user",
"application_name":"app"
var jio_instance = jIO.createJIO({
"type": "local",
"username": "user",
"application_name": "app"
});
var my_video_blob = new Blob([my_video_binary_string], {
"type": "video/ogg"
});
// post the document
jio_instance.post({
"_id" : "myVideo",
"title" : "My Video",
"videoCodec" : "vorbis",
"format" : ["video/ogg", "vorbis", "HD"],
"language" : "en",
"description" : "Images Compilation"
}, function (err, response) {
if (err) {
}).then(function (response) {
// add video attachment
return jio_instance.putAttachment({
"_id": "myVideo",
"_attachment": "video.ogv",
"_data": my_video_blob,
});
}).then(function (response) {
alert('Video Stored');
}, function (err) {
if (err.method === "post") {
alert('Error when posting the document description');
} else {
// if successful, add video attachment (base64 encoded)
jio_instance.putAttachment({
"_id": "myVideo/video",
"_data": Base64(my_video),
"_mimetype":"video/ogg"
}, function (err, response) {
if (err) {
alert('Error when attaching the video');
} else {
alert('Video Stored');
}
});
}
}, function (progression) {
console.log(progression);
});
### Storage Locations
......@@ -153,106 +200,102 @@ The following storages are currently supported:
- LocalStorage (browser local storage)
// initialize a local storage
var jio_instance = jIO.newJio({
var jio_instance = jIO.createJIO({
"type" : "local",
"username" : "me"
});
- DAVStorage (connect to webDAV)
// initialize a webDAV storage
var jio_instance = jIO.newJio({
"type" : "dav",
"url" : "http://my.dav.srv/uploads",
"auth_type": "basic",
"username" : "me",
"password" : "pwd"
});
- xWiki storage (connect to xWiki)
// initialize a connection to xWiki
var jio_instance = jIO.newJio({
"type": "xwiki",
"xwikiurl": "http://my.site.com/xwiki",
"username": "me",
"password": "pwd"
});
- S3 storage (connect to S3)
// initialize a connection to S3 storage
var jio_instance = jIO.newJio({
"type": "s3",
"AWSIdentifier": "AWS Identifier ID",
"password": "AWS Secret key",
"server": "Destination bucket"
});
- IndexStorage (maintains indices of documents in a substorage)
// initialize an indexStorage (for a local storage)
var jio_instance = jIO.newJio({
"type": "indexed",
"sub_storage": {
"type": "local" // for instance
"username": "me"
},
"indices": [{
"id": "index_database.json",
"index": ["title", "author", "subject", "posted_date"]
}, {
...
}]
});
- SplitStorage (simply split data into several parts):
- DAVStorage (connect to webDAV, more information on the
[documentation](https://www.j-io.org/documentation/jio-documentation/))
// initialize a splitStorage
var jio_instance = jIO.newJio({
"type": "split",
"storage_list": [<storage description>, ...]
});
- Revision Storage (add revision management to a substorage)
// initialize a revison storage on a local storage
// (revision-format 1-9ccd039de0674d935f3c6bae61afc9b7038d1df97d586507aa62336a02f9ee2a)
var jio_instance = jIO.newJio({
"type": "revision",
"sub_storage": {
"type": "local",
"username": "me"
}
});
- Replicate Revision Storage (replicate documents across multiple storages)
// initialize a replicate revision storage (with local and webDAV as substorages)
var jio_instance = jIO.newJio({
"type": "replicaterevision",
"storage_list": [{
"type": "revision",
"sub_storage": {
"type": "local",
"username": "me"
}
}, {
"type": "revision",
"sub_storage": {
"type" : "dav",
"auth_type": "basic",
"username" : "me",
"password" : "pwd",
"url" : "http://my.dav.srv/uploads"
}
}]
// initialize a webDAV storage (without authentication)
var jio_instance = jIO.createJIO({
"type": "dav",
"url": "http://my.dav.srv/uploads"
});
- And more!
<!-- - xWiki storage (connect to xWiki) -->
<!-- // initialize a connection to xWiki -->
<!-- var jio_instance = jIO.createJIO({ -->
<!-- "type": "xwiki", -->
<!-- "xwikiurl": "http://my.site.com/xwiki", -->
<!-- "username": "me", -->
<!-- "password": "pwd" -->
<!-- }); -->
<!-- - S3 storage (connect to S3) -->
<!-- // initialize a connection to S3 storage -->
<!-- var jio_instance = jIO.createJIO({ -->
<!-- "type": "s3", -->
<!-- "AWSIdentifier": "AWS Identifier ID", -->
<!-- "password": "AWS Secret key", -->
<!-- "server": "Destination bucket" -->
<!-- }); -->
<!-- - IndexStorage (maintains indices of documents in a substorage) -->
<!-- // initialize an indexStorage (for a local storage) -->
<!-- var jio_instance = jIO.createJIO({ -->
<!-- "type": "indexed", -->
<!-- "sub_storage": { -->
<!-- "type": "local" // for instance -->
<!-- "username": "me" -->
<!-- }, -->
<!-- "indices": [{ -->
<!-- "id": "index_database.json", -->
<!-- "index": ["title", "author", "subject", "posted_date"] -->
<!-- }] -->
<!-- }); -->
<!-- - SplitStorage (simply split data into several parts): -->
<!-- // initialize a splitStorage -->
<!-- var jio_instance = jIO.createJIO({ -->
<!-- "type": "split", -->
<!-- "storage_list": [<storage description>, ...] -->
<!-- }); -->
<!-- - Revision Storage (add revision management to a substorage) -->
<!-- // initialize a revison storage on a local storage -->
<!-- // (revision-format 1-9ccd039de0674d935f3c6bae61afc9b7038d1df97d586507aa62336a02f9ee2a) -->
<!-- var jio_instance = jIO.createJIO({ -->
<!-- "type": "revision", -->
<!-- "sub_storage": { -->
<!-- "type": "local", -->
<!-- "username": "me" -->
<!-- } -->
<!-- }); -->
<!-- - Replicate Revision Storage (replicate documents across multiple storages) -->
<!-- // initialize a replicate revision storage (with local and webDAV as substorages) -->
<!-- var jio_instance = jIO.createJIO({ -->
<!-- "type": "replicaterevision", -->
<!-- "storage_list": [{ -->
<!-- "type": "revision", -->
<!-- "sub_storage": { -->
<!-- "type": "local", -->
<!-- "username": "me" -->
<!-- } -->
<!-- }, { -->
<!-- "type": "revision", -->
<!-- "sub_storage": { -->
<!-- "type" : "dav", -->
<!-- "auth_type": "basic", -->
<!-- "username" : "me", -->
<!-- "password" : "pwd", -->
<!-- "url" : "http://my.dav.srv/uploads" -->
<!-- } -->
<!-- }] -->
<!-- }); -->
- [And more!](https://www.j-io.org/documentation/jio-documentation#List of Available Storages)
For more information on the specific storages including guidelines on how to
create your own connector, please also refer to the documentation.
create your own connector, please also refer to the [documentation](https://www.j-io.org/documentation/jio-documentation).
### Complex Queries
......@@ -271,7 +314,7 @@ server-side):
"sort_on": [[<string A>, 'descending']],
// fields to return in response
"select_list": [<string A>, <string B>]
}, function (err, response) {
}).then(function (response) {
// console.log(response):
// {
// "total_rows": 1,
......@@ -318,4 +361,5 @@ when the page is reloaded after a browser crash.
### Copyright and license
jIO is an open-source library and is licensed under the LGPL license. More
information on LGPL can be found [here](http://en.wikipedia.org/wiki/GNU_Lesser_General_Public_License).
information on LGPL can be found
[here](http://en.wikipedia.org/wiki/GNU_Lesser_General_Public_License).
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