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if(!dojo._hasResource["dojox.storage.AirFileStorageProvider"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code.
dojo._hasResource["dojox.storage.AirFileStorageProvider"] = true;
dojo.provide("dojox.storage.AirFileStorageProvider");
dojo.require("dojox.storage.manager");
dojo.require("dojox.storage.Provider");
if (dojo.isAIR) {
(function(){
if (!air) {
var air = {};
}
air.File = window.runtime.flash.filesystem.File;
air.FileStream = window.runtime.flash.filesystem.FileStream;
air.FileMode = window.runtime.flash.filesystem.FileMode;
// summary:
// Storage provider that uses features in the Adobe AIR runtime to achieve
// permanent storage
dojo.declare("dojox.storage.AirFileStorageProvider", [ dojox.storage.Provider ], {
initialized: false,
_storagePath: "__DOJO_STORAGE/",
initialize: function(){
this.initialized = false;
// need to initialize our storage directory
try{
var dir = air.File.applicationStorageDirectory.resolvePath(this._storagePath);
if (!dir.exists){
dir.createDirectory();
}
this.initialized = true;
}catch(e){
console.debug("dojox.storage.AirFileStorageProvider.initialize:", e);
}
// indicate that this storage provider is now loaded
dojox.storage.manager.loaded();
},
isAvailable: function(){
return true;
},
put: function(key, value, resultsHandler, namespace){
if(this.isValidKey(key) == false){
throw new Error("Invalid key given: " + key);
}
namespace = namespace||this.DEFAULT_NAMESPACE;
if(this.isValidKey(namespace) == false){
throw new Error("Invalid namespace given: " + namespace);
}
// try to store the value
try{
this.remove(key, namespace);
var dir = air.File.applicationStorageDirectory.resolvePath(this._storagePath + namespace);
if (!dir.exists){
dir.createDirectory();
}
var file = dir.resolvePath(key);
var stream = new air.FileStream();
stream.open(file, air.FileMode.WRITE);
stream.writeObject(value);
stream.close();
}catch(e){
// indicate we failed
console.debug("dojox.storage.AirFileStorageProvider.put:", e);
resultsHandler(this.FAILED, key, e.toString());
return;
}
if(resultsHandler){
resultsHandler(this.SUCCESS, key, null);
}
},
get: function(key, namespace){
if(this.isValidKey(key) == false){
throw new Error("Invalid key given: " + key);
}
namespace = namespace||this.DEFAULT_NAMESPACE;
var results = null;
var file = air.File.applicationStorageDirectory.resolvePath(this._storagePath + namespace + '/' + key);
if (file.exists && !file.isDirectory){
var stream = new air.FileStream();
stream.open(file, air.FileMode.READ);
results = stream.readObject();
stream.close();
}
return results;
},
getNamespaces: function(){
var results = [ this.DEFAULT_NAMESPACE ];
var dir = air.File.applicationStorageDirectory.resolvePath(this._storagePath);
var files = dir.getDirectoryListing();
for (i = 0; i < files.length; i++) {
if(files[i].isDirectory && files[i].name != this.DEFAULT_NAMESPACE){
results.push(files[i].name);
}
}
return results;
},
getKeys: function(namespace){
namespace = namespace||this.DEFAULT_NAMESPACE;
if(this.isValidKey(namespace) == false){
throw new Error("Invalid namespace given: " + namespace);
}
var results = [];
var dir = air.File.applicationStorageDirectory.resolvePath(this._storagePath + namespace);
if (dir.exists && dir.isDirectory){
var files = dir.getDirectoryListing();
for (i = 0; i < files.length; i++) {
results.push(files[i].name);
}
}
return results;
},
clear: function(namespace){
if(this.isValidKey(namespace) == false){
throw new Error("Invalid namespace given: " + namespace);
}
var dir = air.File.applicationStorageDirectory.resolvePath(this._storagePath + namespace);
if (dir.exists && dir.isDirectory){
dir.deleteDirectory(true);
}
},
remove: function(key, namespace){
namespace = namespace||this.DEFAULT_NAMESPACE;
var file = air.File.applicationStorageDirectory.resolvePath(this._storagePath + namespace + '/' + key);
if (file.exists && !file.isDirectory){
file.deleteFile();
}
},
putMultiple: function(keys, values, resultsHandler, namespace) {
if(this.isValidKeyArray(keys) === false
|| ! values instanceof Array
|| keys.length != values.length){
throw new Error("Invalid arguments: keys = [" + keys + "], values = [" + values + "]");
}
if(namespace == null || typeof namespace == "undefined"){
namespace = this.DEFAULT_NAMESPACE;
}
if(this.isValidKey(namespace) == false){
throw new Error("Invalid namespace given: " + namespace);
}
this._statusHandler = resultsHandler;
// try to store the value
try{
for(var i=0;i<keys.length;i++) {
this.put(keys[i], value[i], null, namespace);
}
}catch(e){
// indicate we failed
console.debug("dojox.storage.AirFileStorageProvider.putMultiple:", e);
if(resultsHandler){
resultsHandler(this.FAILED, keys, e.toString());
}
return;
}
if(resultsHandler){
resultsHandler(this.SUCCESS, key, null);
}
},
getMultiple: function(keys, namespace){
if(this.isValidKeyArray(keys) === false){
throw new Error("Invalid key array given: " + keys);
}
if(namespace == null || typeof namespace == "undefined"){
namespace = this.DEFAULT_NAMESPACE;
}
if(this.isValidKey(namespace) == false){
throw new Error("Invalid namespace given: " + namespace);
}
var results = [];
for(var i=0;i<keys.length;i++){
results[i] = this.get(keys[i], namespace);
}
return results;
},
removeMultiple: function(keys, namespace){
namespace = namespace||this.DEFAULT_NAMESPACE;
for(var i=0;i<keys.length;i++){
this.remove(keys[i], namespace);
}
},
isPermanent: function(){ return true; },
getMaximumSize: function(){ return this.SIZE_NO_LIMIT; },
hasSettingsUI: function(){ return false; },
showSettingsUI: function(){
throw new Error(this.declaredClass + " does not support a storage settings user-interface");
},
hideSettingsUI: function(){
throw new Error(this.declaredClass + " does not support a storage settings user-interface");
}
});
dojox.storage.manager.register("dojox.storage.AirFileStorageProvider", new dojox.storage.AirFileStorageProvider());
dojox.storage.manager.initialize();
})();
}
}
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