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Code Issues Releases Wiki Activity

Add API version, add functionality to Tomahawk.*Request

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This commit is contained in:
Uwe L. Korn 2013-07-16 20:32:23 +02:00
parent 62a1c1351f
commit 12709a47ea
1 changed files with 84 additions and 7 deletions
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91
data/js/tomahawk.js
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@ -36,6 +36,54 @@ if (window.Tomahawk === undefined) {
};
}
Tomahawk.apiVersion = "0.2.0";
/**
* Compares versions strings
* (version1 < version2) == -1
* (version1 = version2) == 0
* (version1 > version2) == 1
*/
Tomahawk.versionCompare = function (version1, version2) {
var v1 = version1.split('.').map(function (item) { return parseInt(item); });
var v2 = version2.split('.').map(function (item) { return parseInt(item); })
var length = Math.max(v1.length, v2.length);
var i = 0;
for (; i < length; i++) {
if (typeof v1[i] == "undefined" || v1[i] === null) {
if (typeof v2[i] == "undefined" || v2[i] === null) {
// v1 == v2
return 0;
} else if (v2[i] === 0) {
continue;
} else {
// v1 < v2
return -1;
}
} else if (typeof v2[i] == "undefined" || v2[i] === null) {
if ( v1[i] === 0 ) {
continue;
} else {
// v1 > v2
return 1;
}
} else if (v2[i] > v1[i]) {
// v1 < v2
return -1;
} else if (v2[i] < v2[i]) {
// v1 > v2
return 1;
}
}
// v1 == v2
return 0;
};
Tomahawk.atLeastVersion = function (version) {
return (Tomahawk.versionCompare(version, Tomahawk.apiVersion) >= 0)
};
Tomahawk.resolver = {
scriptPath: Tomahawk.resolverData().scriptPath
@ -197,18 +245,44 @@ Tomahawk.valueForSubNode = function (node, tag) {
};
Tomahawk.syncRequest = function (url) {
var xmlHttpRequest = new XMLHttpRequest();
xmlHttpRequest.open('GET', url, false);
xmlHttpRequest.send(null);
Tomahawk.syncRequest = function (url, extraHeaders, options) {
// unpack options
var opt = options || {};
var method = opt.method || 'GET';
var xmlHttpRequest = new XMLHttpRequest();
xmlHttpRequest.open(method, url, false, opt.username, opt.password);
if (extraHeaders) {
for (var headerName in extraHeaders) {
xmlHttpRequest.setRequestHeader(headerName, extraHeaders[headerName]);
}
}
xmlHttpRequest.send(null);
if (xmlHttpRequest.status == 200) {
return xmlHttpRequest.responseText;
}
} else {
Tomahawk.log("Failed to do GET request: to: " + url);
Tomahawk.log("Status Code was: " + xmlHttpRequest.status);
if (opt.hasOwnProperty('errorHandler')) {
opt.errorHandler.call(window, xmlHttpRequest);
}
}
};
Tomahawk.asyncRequest = function (url, callback, extraHeaders) {
/**
* Possible options:
* - method: The HTTP request method (default: GET)
* - username: The username for HTTP Basic Auth
* - password: The password for HTTP Basic Auth
* - errorHandler: callback called if the request was not completed
*/
Tomahawk.asyncRequest = function (url, callback, extraHeaders, options) {
// unpack options
var opt = options || {};
var method = opt.method || 'GET';
var xmlHttpRequest = new XMLHttpRequest();
xmlHttpRequest.open('GET', url, true);
xmlHttpRequest.open(method, url, true, opt.username, opt.password);
if (extraHeaders) {
for (var headerName in extraHeaders) {
xmlHttpRequest.setRequestHeader(headerName, extraHeaders[headerName]);
@ -220,6 +294,9 @@ Tomahawk.asyncRequest = function (url, callback, extraHeaders) {
} else if (xmlHttpRequest.readyState === 4) {
Tomahawk.log("Failed to do GET request: to: " + url);
Tomahawk.log("Status Code was: " + xmlHttpRequest.status);
if (opt.hasOwnProperty('errorHandler')) {
opt.errorHandler.call(window, xmlHttpRequest);
}
}
};
xmlHttpRequest.send(null);