From 1fdbfebde1bc14a4dcf93eb54083947a53615a45 Mon Sep 17 00:00:00 2001 From: lresende Date: Fri, 27 Mar 2009 08:41:59 +0000 Subject: TUSCANY-2837 - Extending Javascript extension to provide the js proxy client file git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@759058 13f79535-47bb-0310-9956-ffa450edef68 --- .../js/AtomBindingJavascriptProxyFactoryImpl.java | 19 +- .../JSONRPCBindingJavascriptProxyFactoryImpl.java | 17 +- .../sca/core/web/JavascriptProxyFactory.java | 16 +- .../provider/WidgetComponentScriptGenerator.java | 27 +- .../src/main/resources/binding-atom.js | 137 ------ .../src/main/resources/binding-jsonrpc.js | 492 --------------------- 6 files changed, 60 insertions(+), 648 deletions(-) delete mode 100644 branches/sca-java-1.x/modules/implementation-widget-runtime/src/main/resources/binding-atom.js delete mode 100644 branches/sca-java-1.x/modules/implementation-widget-runtime/src/main/resources/binding-jsonrpc.js (limited to 'branches/sca-java-1.x/modules') diff --git a/branches/sca-java-1.x/modules/binding-atom-js/src/main/java/org/apache/tuscany/sca/binding/atom/js/AtomBindingJavascriptProxyFactoryImpl.java b/branches/sca-java-1.x/modules/binding-atom-js/src/main/java/org/apache/tuscany/sca/binding/atom/js/AtomBindingJavascriptProxyFactoryImpl.java index 6c9abd8926..6b0170d2ce 100644 --- a/branches/sca-java-1.x/modules/binding-atom-js/src/main/java/org/apache/tuscany/sca/binding/atom/js/AtomBindingJavascriptProxyFactoryImpl.java +++ b/branches/sca-java-1.x/modules/binding-atom-js/src/main/java/org/apache/tuscany/sca/binding/atom/js/AtomBindingJavascriptProxyFactoryImpl.java @@ -20,6 +20,7 @@ package org.apache.tuscany.sca.binding.atom.js; import java.io.IOException; +import java.io.InputStream; import java.net.URI; import javax.xml.namespace.QName; @@ -31,7 +32,8 @@ import org.apache.tuscany.sca.core.web.JavascriptProxyFactory; public class AtomBindingJavascriptProxyFactoryImpl implements JavascriptProxyFactory { private static final QName NAME = new QName("http://tuscany.apache.org/xmlns/sca/1.0", "binding.atom"); - + private static final String JAVASCRIPT_FILE_NAME = "binding-atom.js"; + public Class getModelType() { return AtomBinding.class; } @@ -39,8 +41,21 @@ public class AtomBindingJavascriptProxyFactoryImpl implements JavascriptProxyFac public QName getQName() { return NAME; } + + public String getJavascriptProxyFile() { + return JAVASCRIPT_FILE_NAME; + } + + public InputStream getJavascriptProxyFileAsStream() throws IOException { + InputStream is = this.getClass().getClassLoader().getResourceAsStream(JAVASCRIPT_FILE_NAME); + if (is == null) { + throw new IOException("Could not find Javascript '" + JAVASCRIPT_FILE_NAME + "'" ); + } + + return is; + } - public String scriptReference(ComponentReference componentReference) throws IOException { + public String createJavascriptReference(ComponentReference componentReference) throws IOException { Binding binding = componentReference.getBindings().get(0); URI targetURI = URI.create(binding.getURI()); String targetPath = targetURI.getPath(); diff --git a/branches/sca-java-1.x/modules/binding-jsonrpc-js/src/main/java/org/apache/tuscany/sca/binding/jsonrpc/js/JSONRPCBindingJavascriptProxyFactoryImpl.java b/branches/sca-java-1.x/modules/binding-jsonrpc-js/src/main/java/org/apache/tuscany/sca/binding/jsonrpc/js/JSONRPCBindingJavascriptProxyFactoryImpl.java index e0fda5c9f2..a396fe3bbf 100644 --- a/branches/sca-java-1.x/modules/binding-jsonrpc-js/src/main/java/org/apache/tuscany/sca/binding/jsonrpc/js/JSONRPCBindingJavascriptProxyFactoryImpl.java +++ b/branches/sca-java-1.x/modules/binding-jsonrpc-js/src/main/java/org/apache/tuscany/sca/binding/jsonrpc/js/JSONRPCBindingJavascriptProxyFactoryImpl.java @@ -20,6 +20,7 @@ package org.apache.tuscany.sca.binding.jsonrpc.js; import java.io.IOException; +import java.io.InputStream; import java.net.URI; import javax.xml.namespace.QName; @@ -31,6 +32,7 @@ import org.apache.tuscany.sca.core.web.JavascriptProxyFactory; public class JSONRPCBindingJavascriptProxyFactoryImpl implements JavascriptProxyFactory { private static final QName NAME = new QName("http://tuscany.apache.org/xmlns/sca/1.0", "binding.jsonrpc"); + private static final String JAVASCRIPT_FILE_NAME = "binding-jsonrpc.js"; public Class getModelType() { return JSONRPCBinding.class; @@ -40,7 +42,20 @@ public class JSONRPCBindingJavascriptProxyFactoryImpl implements JavascriptProxy return NAME; } - public String scriptReference(ComponentReference componentReference) throws IOException { + public String getJavascriptProxyFile() { + return JAVASCRIPT_FILE_NAME; + } + + public InputStream getJavascriptProxyFileAsStream() throws IOException { + InputStream is = this.getClass().getClassLoader().getResourceAsStream(JAVASCRIPT_FILE_NAME); + if (is == null) { + throw new IOException("Could not find Javascript '" + JAVASCRIPT_FILE_NAME + "'" ); + } + + return is; + } + + public String createJavascriptReference(ComponentReference componentReference) throws IOException { Binding binding = componentReference.getBindings().get(0); URI targetURI = URI.create(binding.getURI()); String targetPath = targetURI.getPath(); diff --git a/branches/sca-java-1.x/modules/core-web/src/main/java/org/apache/tuscany/sca/core/web/JavascriptProxyFactory.java b/branches/sca-java-1.x/modules/core-web/src/main/java/org/apache/tuscany/sca/core/web/JavascriptProxyFactory.java index b6a0662a47..daac7925bd 100644 --- a/branches/sca-java-1.x/modules/core-web/src/main/java/org/apache/tuscany/sca/core/web/JavascriptProxyFactory.java +++ b/branches/sca-java-1.x/modules/core-web/src/main/java/org/apache/tuscany/sca/core/web/JavascriptProxyFactory.java @@ -20,6 +20,7 @@ package org.apache.tuscany.sca.core.web; import java.io.IOException; +import java.io.InputStream; import javax.xml.namespace.QName; @@ -45,11 +46,24 @@ public interface JavascriptProxyFactory { */ QName getQName(); + /** + * Get the Javascript proxy client file name + * @return the javascript file name + */ + String getJavascriptProxyFile(); + + /** + * Get the Javascript proxy client contents as a stream + * @return + */ + InputStream getJavascriptProxyFileAsStream() throws IOException; + + /** * Create a JavaScript Proxy for a given reference * @param componentReference The reference * @return the javascript proxy code * @throws IOException */ - String scriptReference(ComponentReference componentReference) throws IOException; + String createJavascriptReference(ComponentReference componentReference) throws IOException; } diff --git a/branches/sca-java-1.x/modules/implementation-widget-runtime/src/main/java/org/apache/tuscany/sca/implementation/widget/provider/WidgetComponentScriptGenerator.java b/branches/sca-java-1.x/modules/implementation-widget-runtime/src/main/java/org/apache/tuscany/sca/implementation/widget/provider/WidgetComponentScriptGenerator.java index 0e56d25c51..40039f74c2 100644 --- a/branches/sca-java-1.x/modules/implementation-widget-runtime/src/main/java/org/apache/tuscany/sca/implementation/widget/provider/WidgetComponentScriptGenerator.java +++ b/branches/sca-java-1.x/modules/implementation-widget-runtime/src/main/java/org/apache/tuscany/sca/implementation/widget/provider/WidgetComponentScriptGenerator.java @@ -74,20 +74,18 @@ public class WidgetComponentScriptGenerator { for(ComponentReference reference : component.getReferences()) { for(Binding binding : reference.getBindings()) { - String [] bindingProxyNames = WidgetProxyHelper.getJavaScriptProxyFile(binding.getClass().getName()); + JavascriptProxyFactory jsProxyFactory = javascriptProxyFactories.getProxyFactory(binding.getClass()); + + String bindingProxyName = jsProxyFactory.getJavascriptProxyFile(); //check if binding client code was already processed and inject to the generated script - if ( bindingProxyNames != null ) { - for ( int i = 0; i < bindingProxyNames.length; i++ ) { - String bindingProxyName = bindingProxyNames[ i ]; - if(bindingProxyName != null) { - Boolean processedFlag = bindingClientProcessed.get(bindingProxyName); - if( processedFlag == null || processedFlag.booleanValue() == false) { - generateJavaScriptBindingProxy(pw,bindingProxyName); - bindingClientProcessed.put(bindingProxyName, Boolean.TRUE); - } - } + if(bindingProxyName != null) { + Boolean processedFlag = bindingClientProcessed.get(bindingProxyName); + if( processedFlag == null || processedFlag.booleanValue() == false) { + generateJavaScriptBindingProxy(jsProxyFactory, pw); + bindingClientProcessed.put(bindingProxyName, Boolean.TRUE); } } + } } @@ -124,9 +122,8 @@ public class WidgetComponentScriptGenerator { * Retrieve the binding proxy based on the bind name * and embedded the JavaScript into this js */ - private static void generateJavaScriptBindingProxy(PrintWriter pw, String bindingProxyName) throws IOException { - //FIXME: Handle the case where the JavaScript binding client is not found - InputStream is = WidgetComponentScriptGenerator.class.getClassLoader().getResourceAsStream(bindingProxyName); + private static void generateJavaScriptBindingProxy(JavascriptProxyFactory javascriptProxyFactory, PrintWriter pw) throws IOException { + InputStream is = javascriptProxyFactory.getJavascriptProxyFileAsStream(); if (is != null) { int i; while ((i = is.read()) != -1) { @@ -208,7 +205,7 @@ public class WidgetComponentScriptGenerator { String referenceName = reference.getName(); JavascriptProxyFactory jsProxyFactory = javascriptProxyFactories.getProxyFactory(binding.getClass()); - pw.println("tuscany.sca.referenceMap." + referenceName + " = new " + jsProxyFactory.scriptReference(reference) + ";"); + pw.println("tuscany.sca.referenceMap." + referenceName + " = new " + jsProxyFactory.createJavascriptReference(reference) + ";"); } } diff --git a/branches/sca-java-1.x/modules/implementation-widget-runtime/src/main/resources/binding-atom.js b/branches/sca-java-1.x/modules/implementation-widget-runtime/src/main/resources/binding-atom.js deleted file mode 100644 index 2719e9a9b9..0000000000 --- a/branches/sca-java-1.x/modules/implementation-widget-runtime/src/main/resources/binding-atom.js +++ /dev/null @@ -1,137 +0,0 @@ -/* - * Licensed to the Apache Software Foundation (ASF) under one - * or more contributor license agreements. See the NOTICE file - * distributed with this work for additional information - * regarding copyright ownership. The ASF licenses this file - * to you under the Apache License, Version 2.0 (the - * "License"); you may not use this file except in compliance - * with the License. You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, - * software distributed under the License is distributed on an - * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY - * KIND, either express or implied. See the License for the - * specific language governing permissions and limitations - * under the License. - */ - -function AtomClient(uri) { - - this.msxmlNames = [ "MSXML2.XMLHTTP.5.0", - "MSXML2.XMLHTTP.4.0", - "MSXML2.XMLHTTP.3.0", - "MSXML2.XMLHTTP", - "Microsoft.XMLHTTP" ]; - - this.uri=uri; - - this.get = function(id, responseFunction) { - var xhr = this.createXMLHttpRequest(); - xhr.onreadystatechange = function() { - if (xhr.readyState == 4) { - if (xhr.status == 200) { - var strDocument = xhr.responseText; - var xmlDocument = xhr.responseXML; - if(!xmlDocument || xmlDocument.childNodes.length==0){ - xmlDocument = (new DOMParser()).parseFromString(strDocument, "text/xml"); - } - if (responseFunction != null) responseFunction(xmlDocument); - } else { - alert("get - Error getting data from the server"); - } - } - } - xhr.open("GET", uri + '/' + id, true); - xhr.send(null); - } - - this.post = function (entry, responseFunction) { - var xhr = this.createXMLHttpRequest(); - xhr.onreadystatechange = function() { - if (xhr.readyState == 4) { - if (xhr.status == 201) { - var strDocument = xhr.responseText; - var xmlDocument = xhr.responseXML; - if(!xmlDocument || xmlDocument.childNodes.length==0){ - xmlDocument = (new DOMParser()).parseFromString(strDocument, "text/xml"); - } - if (responseFunction != null) responseFunction(xmlDocument); - } else { - alert("post - Error getting data from the server"); - } - } - } - xhr.open("POST", uri, true); - xhr.setRequestHeader("Content-Type", "application/atom+xml"); - xhr.send(entry); - } - - this.put = function (id, entry, responseFunction) { - var xhr = this.createXMLHttpRequest(); - xhr.onreadystatechange = function() { - if (xhr.readyState == 4) { - if (xhr.status == 200) { - var strDocument = xhr.responseText; - var xmlDocument = xhr.responseXML; - if(!xmlDocument || xmlDocument.childNodes.length==0){ - xmlDocument = (new DOMParser()).parseFromString(strDocument, "text/xml"); - } - if (responseFunction != null) responseFunction(xmlDocument); - } else { - alert("put - Error getting data from the server"); - } - } - } - xhr.open("PUT", uri + '/' + id, true); - xhr.setRequestHeader("Content-Type", "application/atom+xml"); - xhr.send(entry); - } - - this.del = function (id, responseFunction) { - var xhr = this.createXMLHttpRequest(); - xhr.onreadystatechange = function() { - if (xhr.readyState == 4) { - if (xhr.status == 200) { - if (responseFunction != null) responseFunction(); - } else { - alert("delete - Error getting data from the server"); - } - } - } - xhr.open("DELETE", uri + '/' + id, true); - xhr.send(null); - } - this.createXMLHttpRequest = function () { - /* Mozilla XMLHttpRequest */ - try {return new XMLHttpRequest();} catch(e) {} - - /* Microsoft MSXML ActiveX */ - for (var i=0;i < this.msxmlNames.length; i++) { - try {return new ActiveXObject(this.msxmlNames[i]);} catch (e) {} - } - alert("XML http request not supported"); - return null; - } - if (typeof DOMParser == "undefined") { - DOMParser = function () {} - - DOMParser.prototype.parseFromString = function (str, contentType) { - if (typeof ActiveXObject != "undefined") { - var d = new ActiveXObject("MSXML.DomDocument"); - d.loadXML(str); - return d; - } else if (typeof XMLHttpRequest != "undefined") { - var req = new XMLHttpRequest; - req.open("GET", "data:" + (contentType || "application/xml") + - ";charset=utf-8," + encodeURIComponent(str), false); - if (req.overrideMimeType) { - req.overrideMimeType(contentType); - } - req.send(null); - return req.responseXML; - } - } - } -} diff --git a/branches/sca-java-1.x/modules/implementation-widget-runtime/src/main/resources/binding-jsonrpc.js b/branches/sca-java-1.x/modules/implementation-widget-runtime/src/main/resources/binding-jsonrpc.js deleted file mode 100644 index ca3c2a8605..0000000000 --- a/branches/sca-java-1.x/modules/implementation-widget-runtime/src/main/resources/binding-jsonrpc.js +++ /dev/null @@ -1,492 +0,0 @@ -/* - * JSON-RPC JavaScript client - * - * $Id: jsonrpc.js,v 1.36.2.3 2006/03/08 15:09:37 mclark Exp $ - * - * Copyright (c) 2003-2004 Jan-Klaas Kollhof - * Copyright (c) 2005 Michael Clark, Metaparadigm Pte Ltd - * - * This code is based on Jan-Klaas' JavaScript o lait library (jsolait). - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - * - */ - -/* - * Modifications for Apache Tuscany: - * - JSONRpcClient_createMethod changed so callback is last arg - */ - -/* escape a character */ - -escapeJSONChar = -function escapeJSONChar(c) -{ - if(c == "\"" || c == "\\") return "\\" + c; - else if (c == "\b") return "\\b"; - else if (c == "\f") return "\\f"; - else if (c == "\n") return "\\n"; - else if (c == "\r") return "\\r"; - else if (c == "\t") return "\\t"; - var hex = c.charCodeAt(0).toString(16); - if(hex.length == 1) return "\\u000" + hex; - else if(hex.length == 2) return "\\u00" + hex; - else if(hex.length == 3) return "\\u0" + hex; - else return "\\u" + hex; -}; - - -/* encode a string into JSON format */ - -escapeJSONString = -function escapeJSONString(s) -{ - /* The following should suffice but Safari's regex is b0rken - (doesn't support callback substitutions) - return "\"" + s.replace(/([^\u0020-\u007f]|[\\\"])/g, - escapeJSONChar) + "\""; - */ - - /* Rather inefficient way to do it */ - var parts = s.split(""); - for(var i=0; i < parts.length; i++) { - var c =parts[i]; - if(c == '"' || - c == '\\' || - c.charCodeAt(0) < 32 || - c.charCodeAt(0) >= 128) - parts[i] = escapeJSONChar(parts[i]); - } - return "\"" + parts.join("") + "\""; -}; - - -/* Marshall objects to JSON format */ - -toJSON = function toJSON(o) -{ - if(o == null) { - return "null"; - } else if(o.constructor == String) { - return escapeJSONString(o); - } else if(o.constructor == Number) { - return o.toString(); - } else if(o.constructor == Boolean) { - return o.toString(); - } else if(o.constructor == Date) { - return '{javaClass: "java.util.Date", time: ' + o.valueOf() +'}'; - } else if(o.constructor == Array) { - var v = []; - for(var i = 0; i < o.length; i++) v.push(toJSON(o[i])); - return "[" + v.join(", ") + "]"; - } else { - var v = []; - for(attr in o) { - if(o[attr] == null) v.push("\"" + attr + "\": null"); - else if(typeof o[attr] == "function"); /* skip */ - else v.push(escapeJSONString(attr) + ": " + toJSON(o[attr])); - } - return "{" + v.join(", ") + "}"; - } -}; - - -/* JSONRpcClient constructor */ - -JSONRpcClient = -function JSONRpcClient_ctor(serverURL, user, pass, objectID) -{ - this.serverURL = serverURL; - this.user = user; - this.pass = pass; - this.objectID = objectID; - - /* Add standard methods */ - if(this.objectID) { - this._addMethods(["listMethods"]); - var req = this._makeRequest("listMethods", []); - } else { - this._addMethods(["system.listMethods"]); - var req = this._makeRequest("system.listMethods", []); - } - var m = this._sendRequest(req); - this._addMethods(m); -}; - - -/* JSONRpcCLient.Exception */ - -JSONRpcClient.Exception = -function JSONRpcClient_Exception_ctor(code, message, javaStack) -{ - this.code = code; - var name; - if(javaStack) { - this.javaStack = javaStack; - var m = javaStack.match(/^([^:]*)/); - if(m) name = m[0]; - } - if(name) this.name = name; - else this.name = "JSONRpcClientException"; - this.message = message; -}; - -JSONRpcClient.Exception.CODE_REMOTE_EXCEPTION = 490; -JSONRpcClient.Exception.CODE_ERR_CLIENT = 550; -JSONRpcClient.Exception.CODE_ERR_PARSE = 590; -JSONRpcClient.Exception.CODE_ERR_NOMETHOD = 591; -JSONRpcClient.Exception.CODE_ERR_UNMARSHALL = 592; -JSONRpcClient.Exception.CODE_ERR_MARSHALL = 593; - -JSONRpcClient.Exception.prototype = new Error(); - -JSONRpcClient.Exception.prototype.toString = -function JSONRpcClient_Exception_toString(code, msg) -{ - return this.name + ": " + this.message; -}; - - -/* Default top level exception handler */ - -JSONRpcClient.default_ex_handler = -function JSONRpcClient_default_ex_handler(e) { alert(e); }; - - -/* Client settable variables */ - -JSONRpcClient.toplevel_ex_handler = JSONRpcClient.default_ex_handler; -JSONRpcClient.profile_async = false; -JSONRpcClient.max_req_active = 1; -JSONRpcClient.requestId = 1; - - -/* JSONRpcClient implementation */ - -JSONRpcClient.prototype._createMethod = -function JSONRpcClient_createMethod(methodName) -{ - var fn=function() - { - var args = []; - var callback = null; - for(var i=0;i 0) { - var res = JSONRpcClient.async_responses.shift(); - if(res.canceled) continue; - if(res.profile) res.profile.dispatch = new Date(); - try { - res.cb(res.result, res.ex, res.profile); - } catch(e) { - JSONRpcClient.toplevel_ex_handler(e); - } - } - - while(JSONRpcClient.async_requests.length > 0 && - JSONRpcClient.num_req_active < JSONRpcClient.max_req_active) { - var req = JSONRpcClient.async_requests.shift(); - if(req.canceled) continue; - req.client._sendRequest.call(req.client, req); - } -}; - -JSONRpcClient.kick_async = -function JSONRpcClient_kick_async() -{ - if(JSONRpcClient.async_timeout == null) - JSONRpcClient.async_timeout = - setTimeout(JSONRpcClient._async_handler, 0); -}; - -JSONRpcClient.cancelRequest = -function JSONRpcClient_cancelRequest(requestId) -{ - /* If it is in flight then mark it as canceled in the inflight map - and the XMLHttpRequest callback will discard the reply. */ - if(JSONRpcClient.async_inflight[requestId]) { - JSONRpcClient.async_inflight[requestId].canceled = true; - return true; - } - - /* If its not in flight yet then we can just mark it as canceled in - the the request queue and it will get discarded before being sent. */ - for(var i in JSONRpcClient.async_requests) { - if(JSONRpcClient.async_requests[i].requestId == requestId) { - JSONRpcClient.async_requests[i].canceled = true; - return true; - } - } - - /* It may have returned from the network and be waiting for its callback - to be dispatched, so mark it as canceled in the response queue - and the response will get discarded before calling the callback. */ - for(var i in JSONRpcClient.async_responses) { - if(JSONRpcClient.async_responses[i].requestId == requestId) { - JSONRpcClient.async_responses[i].canceled = true; - return true; - } - } - - return false; -}; - -JSONRpcClient.prototype._makeRequest = -function JSONRpcClient_makeRequest(methodName, args, cb) -{ - var req = {}; - req.client = this; - req.requestId = JSONRpcClient.requestId++; - - var obj = {}; - obj.id = req.requestId; - if (this.objectID) - obj.method = ".obj#" + this.objectID + "." + methodName; - else - obj.method = methodName; - obj.params = args; - - if (cb) req.cb = cb; - if (JSONRpcClient.profile_async) - req.profile = { "submit": new Date() }; - req.data = toJSON(obj); - - return req; -}; - -JSONRpcClient.prototype._sendRequest = -function JSONRpcClient_sendRequest(req) -{ - if(req.profile) req.profile.start = new Date(); - - /* Get free http object from the pool */ - var http = JSONRpcClient.poolGetHTTPRequest(); - JSONRpcClient.num_req_active++; - - /* Send the request */ - if (typeof(this.user) == "undefined") { - http.open("POST", this.serverURL, (req.cb != null)); - } else { - http.open("POST", this.serverURL, (req.cb != null), this.user, this.pass); - } - - /* setRequestHeader is missing in Opera 8 Beta */ - try { http.setRequestHeader("Content-type", "text/plain"); } catch(e) {} - - /* Construct call back if we have one */ - if(req.cb) { - var self = this; - http.onreadystatechange = function() { - if(http.readyState == 4) { - http.onreadystatechange = function () {}; - var res = { "cb": req.cb, "result": null, "ex": null}; - if (req.profile) { - res.profile = req.profile; - res.profile.end = new Date(); - } - try { res.result = self._handleResponse(http); } - catch(e) { res.ex = e; } - if(!JSONRpcClient.async_inflight[req.requestId].canceled) - JSONRpcClient.async_responses.push(res); - delete JSONRpcClient.async_inflight[req.requestId]; - JSONRpcClient.kick_async(); - } - }; - } else { - http.onreadystatechange = function() {}; - } - - JSONRpcClient.async_inflight[req.requestId] = req; - - try { - http.send(req.data); - } catch(e) { - JSONRpcClient.poolReturnHTTPRequest(http); - JSONRpcClient.num_req_active--; - throw new JSONRpcClient.Exception - (JSONRpcClient.Exception.CODE_ERR_CLIENT, "Connection failed"); - } - - if(!req.cb) return this._handleResponse(http); -}; - -JSONRpcClient.prototype._handleResponse = -function JSONRpcClient_handleResponse(http) -{ - /* Get the charset */ - if(!this.charset) { - this.charset = JSONRpcClient._getCharsetFromHeaders(http); - } - - /* Get request results */ - var status, statusText, data; - try { - status = http.status; - statusText = http.statusText; - data = http.responseText; - } catch(e) { - JSONRpcClient.poolReturnHTTPRequest(http); - JSONRpcClient.num_req_active--; - JSONRpcClient.kick_async(); - throw new JSONRpcClient.Exception - (JSONRpcClient.Exception.CODE_ERR_CLIENT, "Connection failed"); - } - - /* Return http object to the pool; */ - JSONRpcClient.poolReturnHTTPRequest(http); - JSONRpcClient.num_req_active--; - - /* Unmarshall the response */ - if(status != 200) { - throw new JSONRpcClient.Exception(status, statusText); - } - var obj; - try { - eval("obj = " + data); - } catch(e) { - throw new JSONRpcClient.Exception(550, "error parsing result"); - } - if(obj.error) - throw new JSONRpcClient.Exception(obj.error.code, obj.error.msg, - obj.error.trace); - var res = obj.result; - - /* Handle CallableProxy */ - if(res && res.objectID && res.JSONRPCType == "CallableReference") - return new JSONRpcClient(this.serverURL, this.user, - this.pass, res.objectID); - - return res; -}; - - -/* XMLHttpRequest wrapper code */ - -/* XMLHttpRequest pool globals */ -JSONRpcClient.http_spare = []; -JSONRpcClient.http_max_spare = 8; - -JSONRpcClient.poolGetHTTPRequest = -function JSONRpcClient_pool_getHTTPRequest() -{ - if(JSONRpcClient.http_spare.length > 0) { - return JSONRpcClient.http_spare.pop(); - } - return JSONRpcClient.getHTTPRequest(); -}; - -JSONRpcClient.poolReturnHTTPRequest = -function JSONRpcClient_poolReturnHTTPRequest(http) -{ - if(JSONRpcClient.http_spare.length >= JSONRpcClient.http_max_spare) - delete http; - else - JSONRpcClient.http_spare.push(http); -}; - -JSONRpcClient.msxmlNames = [ "MSXML2.XMLHTTP.5.0", - "MSXML2.XMLHTTP.4.0", - "MSXML2.XMLHTTP.3.0", - "MSXML2.XMLHTTP", - "Microsoft.XMLHTTP" ]; - -JSONRpcClient.getHTTPRequest = -function JSONRpcClient_getHTTPRequest() -{ - /* Mozilla XMLHttpRequest */ - try { - JSONRpcClient.httpObjectName = "XMLHttpRequest"; - return new XMLHttpRequest(); - } catch(e) {} - - /* Microsoft MSXML ActiveX */ - for (var i=0;i < JSONRpcClient.msxmlNames.length; i++) { - try { - JSONRpcClient.httpObjectName = JSONRpcClient.msxmlNames[i]; - return new ActiveXObject(JSONRpcClient.msxmlNames[i]); - } catch (e) {} - } - - /* None found */ - JSONRpcClient.httpObjectName = null; - throw new JSONRpcClient.Exception(0, "Can't create XMLHttpRequest object"); -}; -- cgit v1.2.3