diff options
Diffstat (limited to 'webapps/qooxdoo-0.6.3-sdk/frontend/framework/source/class/qx/io/remote/XmlHttpTransport.js')
| -rw-r--r-- | webapps/qooxdoo-0.6.3-sdk/frontend/framework/source/class/qx/io/remote/XmlHttpTransport.js | 822 |
1 files changed, 0 insertions, 822 deletions
diff --git a/webapps/qooxdoo-0.6.3-sdk/frontend/framework/source/class/qx/io/remote/XmlHttpTransport.js b/webapps/qooxdoo-0.6.3-sdk/frontend/framework/source/class/qx/io/remote/XmlHttpTransport.js deleted file mode 100644 index 1ae846cc10..0000000000 --- a/webapps/qooxdoo-0.6.3-sdk/frontend/framework/source/class/qx/io/remote/XmlHttpTransport.js +++ /dev/null @@ -1,822 +0,0 @@ -/* ************************************************************************ - - qooxdoo - the new era of web development - - http://qooxdoo.org - - Copyright: - 2004-2006 by 1&1 Internet AG, Germany, http://www.1and1.org - 2006 by Derrell Lipman - - License: - LGPL 2.1: http://www.gnu.org/licenses/lgpl.html - - Authors: - * Sebastian Werner (wpbasti) - * Andreas Ecker (ecker) - * Derrell Lipman (derrell) - -************************************************************************ */ - -/* ************************************************************************ - -#module(io_remote) -#require(qx.io.remote.Exchange) - -************************************************************************ */ - -/** - * @event created {qx.event.type.Event} - * @event configured {qx.event.type.Event} - * @event sending {qx.event.type.Event} - * @event receiving {qx.event.type.Event} - * @event completed {qx.event.type.Event} - * @event failed {qx.event.type.Event} - * @event aborted {qx.event.type.Event} - * @event timeout {qx.event.type.Event} - */ -qx.OO.defineClass("qx.io.remote.XmlHttpTransport", - qx.io.remote.AbstractRemoteTransport, -function() -{ - qx.io.remote.AbstractRemoteTransport.call(this); - - this._req = qx.io.remote.XmlHttpTransport.createRequestObject(); - - var o = this; - this._req.onreadystatechange = - function(e) { return o._onreadystatechange(e); } -}); - - - - - -/* ************************************************************************ - Class data, properties and methods -************************************************************************ */ - -// basic registration to qx.io.remote.Exchange -// the real availability check (activeX stuff and so on) follows at the first real request -qx.io.remote.Exchange.registerType(qx.io.remote.XmlHttpTransport, - "qx.io.remote.XmlHttpTransport"); - -qx.io.remote.XmlHttpTransport.handles = -{ - synchronous : true, - asynchronous : true, - crossDomain : false, - fileUpload: false, - responseTypes : [ - "text/plain", - "text/javascript", - "text/json", - "application/xml", - "text/html" - ] -} - -qx.io.remote.XmlHttpTransport.requestObjects = []; -qx.io.remote.XmlHttpTransport.requestObjectCount = 0; - -qx.io.remote.XmlHttpTransport.isSupported = function() -{ - if (window.XMLHttpRequest) - { - if (qx.Settings.getValueOfClass("qx.io.remote.Exchange", - "enableDebug")) { - qx.dev.log.Logger.getClassLogger(qx.io.remote.XmlHttpTransport).debug( - "Using XMLHttpRequest"); - } - - qx.io.remote.XmlHttpTransport.createRequestObject = - qx.io.remote.XmlHttpTransport._createNativeRequestObject; - return true; - } - - if (window.ActiveXObject) - { - /* - According to information on the Microsoft XML Team's WebLog - it is recommended to check for availability of MSXML versions 6.0 and 3.0. - Other versions are included for completeness, 5.0 is excluded as it is - "off-by-default" in IE7 (which could trigger a goldbar). - - http://blogs.msdn.com/xmlteam/archive/2006/10/23/using-the-right-version-of-msxml-in-internet-explorer.aspx - http://msdn.microsoft.com/library/default.asp?url=/library/en-us/xmlsdk/html/aabe29a2-bad2-4cea-8387-314174252a74.asp - - See similar code in qx.xml.Core, qx.lang.XmlEmu - */ - var vServers = - [ - "MSXML2.XMLHTTP.6.0", - "MSXML2.XMLHTTP.3.0", - "MSXML2.XMLHTTP.4.0", - "MSXML2.XMLHTTP", // v3.0 - "Microsoft.XMLHTTP" // v2.x - ]; - - var vObject; - var vServer; - - for (var i=0, l=vServers.length; i<l; i++) - { - vServer = vServers[i]; - - try - { - vObject = new ActiveXObject(vServer); - break; - } - catch(ex) - { - vObject = null; - } - } - - if (vObject) - { - if (qx.Settings.getValueOfClass("qx.io.remote.Exchange", "enableDebug")) { - qx.dev.log.Logger.getClassLogger(qx.io.remote.XmlHttpTransport).debug( - "Using ActiveXObject: " + vServer); - } - - qx.io.remote.XmlHttpTransport._activeXServer = vServer; - qx.io.remote.XmlHttpTransport.createRequestObject = qx.io.remote.XmlHttpTransport._createActiveXRequestObject; - - return true; - } - } - - return false; -} - -/*! - Return a new request object suitable for the client browser. - - qx.io.remote.XmlHttpTransport's isSupported method scans which request object - to use. The createRequestObject method is then replaced with a - method that creates request suitable for the client browser. If the - client browser doesn't support XMLHTTP requests, the method isn't - replaced and the error "XMLHTTP is not supported!" is thrown. -*/ -qx.io.remote.XmlHttpTransport.createRequestObject = function() { - throw new Error("XMLHTTP is not supported!"); -} - -qx.io.remote.XmlHttpTransport._createNativeRequestObject = function() { - return new XMLHttpRequest; -} - -qx.io.remote.XmlHttpTransport._createActiveXRequestObject = function() { - return new ActiveXObject(qx.io.remote.XmlHttpTransport._activeXServer); -} - - - - - - - - - -/* ************************************************************************ - Instance data, properties and methods -************************************************************************ */ - -/* ---------------------------------------------------------------------------- - CORE METHODS ---------------------------------------------------------------------------- -*/ - -qx.Proto._localRequest = false; -qx.Proto._lastReadyState = 0; - -qx.Proto.getRequest = function() { - return this._req; -} - - - - - - -/* ---------------------------------------------------------------------------- - USER METHODS ---------------------------------------------------------------------------- -*/ - -qx.Proto.send = function() -{ - this._lastReadyState = 0; - - var vRequest = this.getRequest(); - var vMethod = this.getMethod(); - var vAsynchronous = this.getAsynchronous(); - var vUrl = this.getUrl(); - - - - // -------------------------------------- - // Local handling - // -------------------------------------- - - var vLocalRequest = (qx.sys.Client.getInstance().getRunsLocally() && - !(/^http(s){0,1}\:/.test(vUrl))); - this._localRequest = vLocalRequest; - - - // -------------------------------------- - // Adding parameters - // -------------------------------------- - - var vParameters = this.getParameters(); - var vParametersList = []; - for (var vId in vParameters) { - var value = vParameters[vId]; - if (value instanceof Array) { - for (var i = 0; i < value.length; i++) { - vParametersList.push(encodeURIComponent(vId) + "=" + - encodeURIComponent(value[i])); - } - } else { - vParametersList.push(encodeURIComponent(vId) + "=" + - encodeURIComponent(value)); - } - } - - if (vParametersList.length > 0) { - vUrl += (vUrl.indexOf("?") >= 0 - ? "&" : "?") + vParametersList.join("&"); - } - - - var encode64 = function (input) { - var keyStr = - "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/="; - var output = ""; - var chr1, chr2, chr3; - var enc1, enc2, enc3, enc4; - var i = 0; - - do { - chr1 = input.charCodeAt(i++); - chr2 = input.charCodeAt(i++); - chr3 = input.charCodeAt(i++); - - enc1 = chr1 >> 2; - enc2 = ((chr1 & 3) << 4) | (chr2 >> 4); - enc3 = ((chr2 & 15) << 2) | (chr3 >> 6); - enc4 = chr3 & 63; - - if (isNaN(chr2)) { - enc3 = enc4 = 64; - } else if (isNaN(chr3)) { - enc4 = 64; - } - - output += - keyStr.charAt(enc1) + - keyStr.charAt(enc2) + - keyStr.charAt(enc3) + - keyStr.charAt(enc4); - - } while (i < input.length); - - return output; - } - - // -------------------------------------- - // Opening connection - // -------------------------------------- - - if (this.getUsername()) { - if (this.getUseBasicHttpAuth()) { - vRequest.open(vMethod, vUrl, vAsynchronous); - vRequest.setRequestHeader('Authorization', - 'Basic ' + encode64(this.getUsername() + - ':' + - this.getPassword())); - } else { - vRequest.open(vMethod, vUrl, vAsynchronous, - this.getUsername(), this.getPassword()); - } - } else { - vRequest.open(vMethod, vUrl, vAsynchronous); - } - - - - // -------------------------------------- - // Applying request header - // -------------------------------------- - - // Add a Referer header - vRequest.setRequestHeader('Referer', window.location.href); - - var vRequestHeaders = this.getRequestHeaders(); - for (var vId in vRequestHeaders) { - vRequest.setRequestHeader(vId, vRequestHeaders[vId]); - } - - - - // -------------------------------------- - // Sending data - // -------------------------------------- - - try - { - vRequest.send(this.getData()); - } - catch(ex) - { - if (vLocalRequest) - { - this.failedLocally(); - } - else - { - this.error("Failed to send data: " + ex, "send"); - this.failed(); - } - - return; - } - - - - // -------------------------------------- - // Readystate for sync reqeusts - // -------------------------------------- - - if (!vAsynchronous) { - this._onreadystatechange(); - } -} - -/*! - Force the transport into the failed state - ("failed"). - - This method should be used only if the requests URI was local - access. I.e. it started with "file://". -*/ -qx.Proto.failedLocally = function() -{ - if (this.getState() === "failed") { - return; - } - - // should only occur on "file://" access - this.warn("Could not load from file: " + this.getUrl()); - - this.failed(); -} - - - - - - - - - -/* ---------------------------------------------------------------------------- - EVENT HANDLER ---------------------------------------------------------------------------- -*/ - -qx.Proto._onreadystatechange = function(e) -{ - // Ignoring already stopped requests - switch(this.getState()) - { - case "completed": - case "aborted": - case "failed": - case "timeout": - if (qx.Settings.getValueOfClass("qx.io.remote.Exchange", "enableDebug")) { - this.warn("Ignore Ready State Change"); - } - return; - } - - // Checking status code - var vReadyState = this.getReadyState(); - if (vReadyState == 4) { - // The status code is only meaningful when we reach ready state 4. - // (Important for Opera since it goes through other states before - // reaching 4, and the status code is not valid before 4 is reached.) - if (!qx.io.remote.Exchange.wasSuccessful(this.getStatusCode(), vReadyState, this._localRequest)) { - return this.failed(); - } - } - - // Updating internal state - while (this._lastReadyState < vReadyState) { - this.setState(qx.io.remote.Exchange._nativeMap[++this._lastReadyState]); - } -} - - - - - - - -/* ---------------------------------------------------------------------------- - READY STATE ---------------------------------------------------------------------------- -*/ -/*! - Get the ready state of this transports request. - - For qx.io.remote.XmlHttpTransports, the ready state is a number between 1 to 4. -*/ -qx.Proto.getReadyState = function() -{ - var vReadyState = null; - - try { - vReadyState = this._req.readyState; - } catch(ex) {} - - return vReadyState; -} - - - - - - - -/* ---------------------------------------------------------------------------- - REQUEST HEADER SUPPORT ---------------------------------------------------------------------------- -*/ -/*! - Add a request header to this transports request. -*/ -qx.Proto.setRequestHeader = function(vLabel, vValue) { - this._req.setRequestHeader(vLabel, vValue); -} - - - - - - - -/* ---------------------------------------------------------------------------- - RESPONSE HEADER SUPPORT ---------------------------------------------------------------------------- -*/ - -/*! - Returns a specific header provided by the server upon sending a request, - with header name determined by the argument headerName. - - Only available at readyState 3 and 4 universally and in readyState 2 - in Gecko. -*/ -qx.Proto.getResponseHeader = function(vLabel) -{ - var vResponseHeader = null; - - try { - this.getRequest().getResponseHeader(vLabel) || null; - } catch(ex) {} - - return vResponseHeader; -} - -qx.Proto.getStringResponseHeaders = function() -{ - var vSourceHeader = null; - - try - { - var vLoadHeader = this._req.getAllResponseHeaders(); - if (vLoadHeader) { - vSourceHeader = vLoadHeader; - } - } catch(ex) {} - - return vSourceHeader; -} - -/*! - Provides a hash of all response headers. -*/ -qx.Proto.getResponseHeaders = function() -{ - var vSourceHeader = this.getStringResponseHeaders(); - var vHeader = {}; - - if (vSourceHeader) - { - var vValues = vSourceHeader.split(/[\r\n]+/g); - - for(var i=0, l=vValues.length; i<l; i++) - { - var vPair = vValues[i].match(/^([^:]+)\s*:\s*(.+)$/i); - if(vPair) { - vHeader[vPair[1]] = vPair[2]; - } - } - } - - return vHeader; -} - - - - - - - - -/* ---------------------------------------------------------------------------- - STATUS SUPPORT ---------------------------------------------------------------------------- -*/ - -/*! - Returns the current status code of the request if available or -1 if not. -*/ -qx.Proto.getStatusCode = function() -{ - var vStatusCode = -1; - - try { - vStatusCode = this.getRequest().status; - } catch(ex) {} - - return vStatusCode; -} - -/*! - Provides the status text for the current request if available and null - otherwise. -*/ -qx.Proto.getStatusText = function() -{ - var vStatusText = ""; - - try { - vStatusText = this.getRequest().statusText; - } catch(ex) {} - - return vStatusText; -} - - - - - - - - - -/* ---------------------------------------------------------------------------- - RESPONSE DATA SUPPORT ---------------------------------------------------------------------------- -*/ - -/*! - Provides the response text from the request when available and null - otherwise. By passing true as the "partial" parameter of this method, - incomplete data will be made available to the caller. -*/ -qx.Proto.getResponseText = function() -{ - var vResponseText = null; - - var vStatus = this.getStatusCode(); - var vReadyState = this.getReadyState(); - if (qx.io.remote.Exchange.wasSuccessful(vStatus, vReadyState, this._localRequest)) - { - try { - vResponseText = this.getRequest().responseText; - } catch(ex) {} - } - - return vResponseText; -} - -/*! - Provides the XML provided by the response if any and null otherwise. By - passing true as the "partial" parameter of this method, incomplete data will - be made available to the caller. -*/ -qx.Proto.getResponseXml = function() -{ - var vResponseXML = null; - - var vStatus = this.getStatusCode(); - var vReadyState = this.getReadyState(); - if (qx.io.remote.Exchange.wasSuccessful(vStatus, vReadyState, this._localRequest)) - { - try { - vResponseXML = this.getRequest().responseXML; - } catch(ex) {} - } - - // Typical behaviour on file:// on mshtml - // Could we check this with something like: /^file\:/.test(path); ? - // No browser check here, because it doesn't seem to break other browsers - // * test for this.req.responseXML's objecthood added by * - // * FRM, 20050816 * - if (typeof vResponseXML == "object" && vResponseXML != null) - { - if (!vResponseXML.documentElement) - { - // Clear xml file declaration, this breaks non unicode files (like ones with Umlauts) - var s = String(this.getRequest().responseText).replace(/<\?xml[^\?]*\?>/, ""); - vResponseXML.loadXML(s); - }; - // Re-check if fixed... - if (!vResponseXML.documentElement) { - throw new Error("Missing Document Element!"); - }; - - if (vResponseXML.documentElement.tagName == "parseerror") { - throw new Error("XML-File is not well-formed!"); - }; - } - else - { - throw new Error("Response was not a valid xml document [" + this.getRequest().responseText + "]"); - }; - - return vResponseXML; -} - -/*! - Returns the length of the content as fetched thus far -*/ -qx.Proto.getFetchedLength = function() -{ - var vText = this.getResponseText(); - return qx.util.Validation.isValidString(vText) ? vText.length : 0; -} - -qx.Proto.getResponseContent = function() -{ - if (this.getState() !== "completed") - { - if (qx.Settings.getValueOfClass("qx.io.remote.Exchange", - "enableDebug")) { - this.warn("Transfer not complete, ignoring content!"); - } - - return null; - } - - if (qx.Settings.getValueOfClass("qx.io.remote.Exchange", - "enableDebug")) { - this.debug("Returning content for responseType: " + this.getResponseType()); - } - - var vText = this.getResponseText(); - - switch(this.getResponseType()) - { - case "text/plain": - case "text/html": - return vText; - - case "text/json": - try { - return vText && vText.length > 0 ? qx.io.Json.parseQx(vText) : null; - } catch(ex) { - this.error("Could not execute json: [" + vText + "]", ex); - return "<pre>Could not execute json: \n" + vText + "\n</pre>" - } - - case "text/javascript": - try { - return vText && vText.length > 0 ? window.eval(vText) : null; - } catch(ex) { - return this.error("Could not execute javascript: [" + vText + "]", ex); - } - - case "application/xml": - return this.getResponseXml(); - - default: - this.warn("No valid responseType specified (" + this.getResponseType() + ")!"); - return null; - } -} - - - - - - -/* ---------------------------------------------------------------------------- - MODIFIER ---------------------------------------------------------------------------- -*/ - -qx.Proto._modifyState = function(propValue, propOldValue, propData) -{ - if (qx.Settings.getValueOfClass("qx.io.remote.Exchange", - "enableDebug")) { - this.debug("State: " + propValue); - } - - switch(propValue) - { - case "created": - this.createDispatchEvent("created"); - break; - - case "configured": - this.createDispatchEvent("configured"); - break; - - case "sending": - this.createDispatchEvent("sending"); - break; - - case "receiving": - this.createDispatchEvent("receiving"); - break; - - case "completed": - this.createDispatchEvent("completed"); - break; - - case "failed": - this.createDispatchEvent("failed"); - break; - - case "aborted": - this.getRequest().abort(); - this.createDispatchEvent("aborted"); - break; - - case "timeout": - this.getRequest().abort(); - this.createDispatchEvent("timeout"); - break; - } - - return true; -} - - - - - - - -/* ---------------------------------------------------------------------------- - DISPOSER ---------------------------------------------------------------------------- -*/ - -qx.Proto.dispose = function() -{ - if (this.getDisposed()) { - return; - } - - var vRequest = this.getRequest(); - - if (vRequest) - { - // Should be right, - // but is not compatible to mshtml (throws an exception) - if (!qx.sys.Client.getInstance().isMshtml()) { - vRequest.onreadystatechange = null; - } - - // Aborting - switch(vRequest.readyState) - { - case 1: - case 2: - case 3: - vRequest.abort(); - } - - // Cleanup objects - this._req = null; - } - - return qx.io.remote.AbstractRemoteTransport.prototype.dispose.call(this); -} |