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Cookie.js
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Sat, Nov 23, 23:44

Cookie.js
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/**
* @provides javelin-cookie
* @requires javelin-install
* javelin-util
* @javelin
*/
/*
* API/Wrapper for document cookie access and manipulation based heavily on the
* MooTools Cookie.js
*
* github.com/mootools/mootools-core/blob/master/Source/Utilities/Cookie.js
*
* Thx again, Moo.
*/
JX.install('Cookie', {
/**
* Setting cookies involves setting up a cookie object which is eventually
* written.
*
* var prefs = new JX.Cookie('prefs');
* prefs.setDaysToLive(5);
* prefs.setValue('1,0,10,1350');
* prefs.setSecure();
* prefs.write();
*
* Retrieving a cookie from the browser requires only a read() call on the
* cookie object. However, because cookies have such a complex API you may
* not be able to get your value this way if a path or domain was set when the
* cookie was written. Good luck with that.
*
* var prefs_string = new JX.Cookie('prefs').read();
*
* There is no real API in HTTP for deleting a cookie aside from setting the
* cookie to expire immediately. This dispose method will null out the value
* and expire the cookie as well.
*
* new JX.Cookie('prefs').dispose();
*/
construct : function(key) {
if (__DEV__ &&
(!key.length ||
key.match(/^(?:expires|domain|path|secure)$/i) ||
key.match(/[\s,;]/) ||
key.indexOf('$') === 0)) {
JX.$E('JX.Cookie(): Invalid cookie name. "' + key + '" provided.');
}
this.setKey(key);
this.setTarget(document);
},
properties : {
key : null,
value : null,
domain : null,
path : null,
daysToLive : 0,
secure : true,
target : null
},
members : {
write : function() {
this.setValue(encodeURIComponent(this.getValue()));
var cookie_bits = [];
cookie_bits.push(this.getValue());
if (this.getDomain()) {
cookie_bits.push('Domain=' + this.getDomain());
}
if (this.getPath()) {
cookie_bits.push('Path=' + this.getPath());
}
var exp = new Date(JX.now() + this.getDaysToLive() * 1000 * 60 * 60 * 24);
cookie_bits.push('Expires=' + exp.toGMTString());
if (this.getSecure()) {
cookie_bits.push('Secure');
}
cookie_str = cookie_bits.join('; ') + ';';
var cookie_str = this.getKey() + '=' + cookie_str;
this.getTarget().cookie = cookie_str;
},
read : function() {
var key = this.getKey().replace(/([-.*+?^${}()|[\]\/\\])/g, '\\$1');
var val = this.getTarget().cookie.match('(?:^|;)\\s*' + key + '=([^;]*)');
return (val) ? decodeURIComponent(val[1]) : null;
},
dispose : function() {
this.setValue(null);
this.setDaysToLive(-1);
this.write();
}
}
});

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