js.prompto.internet.Url.js Maven / Gradle / Ivy

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var isNodeJs = typeof window === 'undefined' && typeof importScripts === 'undefined';

function Url(path, encoding) {
    this.path = path;
    this.encoding = encoding || "utf-8";
    return this;
}

Url.prototype.isReadable = function() {
    return true;
};

Url.prototype.isWritable = function() {
    return true;
};

Url.prototype.close = function() {
};

Url.prototype.readFully = function() {
    if(isNodeJs) {
        // need a synchronous call here, highly discouraged in main thread
        var request = require('sync-request');
        var res = request('GET', this.path);
        return res.getBody().toString();
    } else {
        var r = new XMLHttpRequest();
        r.overrideMimeType('text/plain');
        r.open('GET', this.path, false);
        r.send();
        if (r.status != 200) {
            var rwe = eval("prompto.error.ReadWriteError"); // assume it's already defined
            throw new rwe("Request failed, status: " + r.status +", " + r.statusText);
        }
        return r.responseText;
    }
};

Url.prototype.readLine = function() {
    if(!this.lines) {
        var full = this.readFully() || "";
        this.lines = full.split("\n");
    }
    if(this.lines.length>0)
        return this.lines.shift();
    else
        return null;
}

Url.prototype.writeFully = function(data) {

};

Url.prototype.writeLine = function(data) {

};

exports.Url = Url;