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Zotero.File.getBinaryContentsAsync()

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Currently unused, but we might need it at some point
This commit is contained in:
Dan Stillman 2013-03-06 15:48:00 -05:00
parent b3cb1dbe5e
commit 398cf765f5
1 changed files with 22 additions and 2 deletions
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24
chrome/content/zotero/xpcom/file.js
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@ -149,7 +149,7 @@ Zotero.File = new function(){
* @param {nsIFile|nsIInputStream} file The file to read
* @param {String} [charset] The character set; defaults to UTF-8
* @param {Integer} [maxLength] The maximum number of characters to read
* @return {Promise} A promise that is resolved with the contents of the file
* @return {Promise} A Q promise that is resolved with the contents of the file
*/
this.getContentsAsync = function getContentsAsync(file, charset, maxLength) {
charset = charset ? Zotero.CharacterSets.getName(charset) : "UTF-8";
@ -167,6 +167,26 @@ Zotero.File = new function(){
};
/**
* Get the contents of a binary source asynchronously
*
* @param {nsIURI|nsIFile|string spec|nsIChannel|nsIInputStream} source The source to read
* @return {Promise} A Q promise that is resolved with the contents of the source
*/
this.getBinaryContentsAsync = function (source) {
var deferred = Q.defer();
NetUtil.asyncFetch(source, function(inputStream, status) {
if (!Components.isSuccessCode(status)) {
deferred.reject(new Components.Exception("Source read operation failed", status));
return;
}
deferred.resolve(NetUtil.readInputStreamToString(inputStream, inputStream.available()));
});
return deferred.promise;
}
/*
* Return the contents of a URL as a string
*
@ -208,7 +228,7 @@ Zotero.File = new function(){
* @param {String|nsIInputStream} data The string or nsIInputStream to write to the
* file
* @param {String} [charset] The character set; defaults to UTF-8
* @return {Promise} A promise that is resolved when the file has been written
* @return {Promise} A Q promise that is resolved when the file has been written
*/
this.putContentsAsync = function putContentsAsync(file, data, charset) {
// Create a stream for async stream copying