Wirecloud · aarranz · Jun 5, 2024 · May 28, 2024
diff --git a/src/js_tests/wirecloud/WidgetMetaSpec.js b/src/js_tests/wirecloud/WidgetMetaSpec.js
@@ -68,21 +68,21 @@
                 }).toThrowError(TypeError);
             });
 
-            it("throws a TypeError exception when the entrypoint is missing for mac version 2", () => {
+            it("does not throw a TypeError exception when the entrypoint is missing for mac version 2", () => {
                 expect(() => {
                     new Wirecloud.WidgetMeta({
                         vendor: "Wirecloud",
                         name: "TestWidget",
+                        preferences: [],
+                        properties: [],
                         version: "1.0",
-                        type: "widget",
-                        js_files: [],
                         macversion: 2,
-                        preferences: [],
+                        js_files: [],
                         contents: {
                             src: "index.html"
                         }
                     });
-                }).toThrowError(TypeError);
+                }).not.toThrow();
             });
 
             it("throws a TypeError exception when the js_files is missing for mac version 2", () => {
@@ -95,6 +95,7 @@
                         macversion: 2,
                         entrypoint: "Test",
                         preferences: [],
+                        properties: [],
                         contents: {
                             src: "index.html"
                         }

diff --git a/src/js_tests/wirecloud/wiring/OperatorMetaSpec.js b/src/js_tests/wirecloud/wiring/OperatorMetaSpec.js
@@ -63,7 +63,7 @@
                 }).toThrowError(TypeError);
             });
 
-            it("throws a TypeError exception when the entrypoint is missing for mac version 2", () => {
+            it("does not throw a TypeError exception when the entrypoint is missing for mac version 2", () => {
                 expect(() => {
                     new ns.OperatorMeta({
                         vendor: "Wirecloud",
@@ -75,7 +75,7 @@
                         macversion: 2,
                         js_files: ["Test"]
                     });
-                }).toThrowError(TypeError);
+                }).not.toThrow();
             });
 
             it("throws a TypeError exception when the js_files is missing for mac version 2", () => {

diff --git a/src/wirecloud/commons/utils/template/parsers/json.py b/src/wirecloud/commons/utils/template/parsers/json.py
@@ -217,7 +217,7 @@ def _init(self):
 
         if self._info['type'] == 'widget':
             if self._info['macversion'] > 1:
-                self._check_string_fields(('entrypoint', ), required=True)
+                self._check_string_fields(('entrypoint', ), required=False)
 
             self._check_array_fields(('altcontents',))
             if self._info.get('contents', None) is None:
@@ -231,7 +231,7 @@ def _init(self):
 
         elif self._info['type'] == 'operator':
             if self._info['macversion'] > 1:
-                self._check_string_fields(('entrypoint', ), required=True)
+                self._check_string_fields(('entrypoint', ), required=False)
 
         elif self._info['type'] == 'mashup':
 

diff --git a/src/wirecloud/commons/utils/template/parsers/rdf.py b/src/wirecloud/commons/utils/template/parsers/rdf.py
@@ -655,7 +655,7 @@ def _parse_component_info(self):
                 raise TemplateParseException(_('Missing required field: Javascript files'))
 
             if self._info['macversion'] > 1:
-                self._info['entrypoint'] = self._get_field(WIRE, 'entryPoint', self._rootURI, required=True)
+                self._info['entrypoint'] = self._get_field(WIRE, 'entryPoint', self._rootURI, required=False)
 
     def _parse_translation_catalogue(self):
         self._info['default_lang'] = 'en'

diff --git a/src/wirecloud/commons/utils/template/parsers/xml.py b/src/wirecloud/commons/utils/template/parsers/xml.py
@@ -445,12 +445,14 @@ def _parse_widget_info(self):
 
         if self._info["macversion"] > 1:
             js_files = self._xpath(SCRIPT_XPATH, self._doc)
-            
+
             self._info['js_files'] = []
             for script in js_files:
                 self._info['js_files'].append(str(script.get('src')))
 
-            self._info["entrypoint"] = self.get_xpath(ENTRYPOINT_XPATH, self._doc, required=True).get('name')
+            entrypoint = self.get_xpath(ENTRYPOINT_XPATH, self._doc, required=False)
+            if entrypoint is not None:
+                self._info["entrypoint"] = entrypoint.get('name')
         else:
             js_files = self._xpath(SCRIPT_XPATH, self._doc)
             if len(js_files) > 0:
@@ -467,7 +469,9 @@ def _parse_operator_info(self):
             self._info['js_files'].append(str(script.get('src')))
 
         if self._info["macversion"] > 1:
-            self._info["entrypoint"] = self.get_xpath(ENTRYPOINT_XPATH, self._doc, required=True).get('name')
+            entrypoint = self.get_xpath(ENTRYPOINT_XPATH, self._doc, required=False)
+            if entrypoint is not None:
+                self._info["entrypoint"] = entrypoint.get('name')
 
     def _parse_component_preferences(self):
 

diff --git a/src/wirecloud/commons/utils/template/writers/rdf.py b/src/wirecloud/commons/utils/template/writers/rdf.py
@@ -588,7 +588,7 @@ def build_rdf_graph(template_info):
             graph.add((js_node, WIRE['index'], rdflib.Literal(str(index))))
             graph.add((resource_uri, USDL['utilizedResource'], js_node))
 
-    if (template_info['type'] == 'operator' or template_info['type'] == 'widget') and template_info['macversion'] > 1:
+    if (template_info['type'] == 'operator' or template_info['type'] == 'widget') and template_info['macversion'] > 1 and 'entrypoint' in template_info:
         # Add entryPoint
         graph.add((resource_uri, WIRE['entryPoint'], rdflib.Literal(template_info.get('entrypoint'))))
 

diff --git a/src/wirecloud/commons/utils/template/writers/xml.py b/src/wirecloud/commons/utils/template/writers/xml.py
@@ -319,7 +319,7 @@ def build_xml_document(options):
         for script in options['js_files']:
             etree.SubElement(scripts, 'script', src=script)
 
-    if (options['type'] == 'operator' or options['type'] == 'widget') and options['macversion'] > 1:
+    if (options['type'] == 'operator' or options['type'] == 'widget') and options['macversion'] > 1 and 'entrypoint' in options:
         # Add entrypoint
         etree.SubElement(template, 'entrypoint', name=options['entrypoint'])
 

diff --git a/src/wirecloud/platform/static/js/WirecloudAPI/WirecloudAPIV2Bootstrap.js b/src/wirecloud/platform/static/js/WirecloudAPI/WirecloudAPIV2Bootstrap.js
@@ -69,4 +69,16 @@
         ComponentManagement: privates._ComponentManagementAPI
     };
 
+    Wirecloud.APIComponents = {}
+    const registerWidgetClass = function registerWidgetClass(script, widgetClass) {
+        Wirecloud.APIComponents[script.dataset.id] = widgetClass;
+    };
+
+    const registerOperatorClass = function registerOperatorClass(script, operatorClass) {
+        Wirecloud.APIComponents[script.dataset.id] = operatorClass;
+    }
+
+    Wirecloud.registerWidgetClass = registerWidgetClass;
+    Wirecloud.registerOperatorClass = registerOperatorClass;
+
 })(window.Wirecloud);
diff --git a/src/wirecloud/platform/static/js/wirecloud/Widget.js b/src/wirecloud/platform/static/js/wirecloud/Widget.js
@@ -208,6 +208,7 @@
             const script = document.createElement('script');
             script.setAttribute('type', 'text/javascript');
             script.setAttribute('src', js_file);
+            script.dataset.id = this.meta.uri;
             script.async = false;
             document.body.appendChild(script);
             this.loaded_scripts.push(script);
@@ -312,7 +313,11 @@
             // If this is a v2 or later widget, we need to instantiate it's entrypoint class
             _unloadScripts.call(this);
             _loadScripts.call(this).then(() => {
-                const entrypoint = window[this.meta.entrypoint];
+                let entrypoint = Wirecloud.APIComponents[this.meta.uri];
+                if (!entrypoint) {
+                    entrypoint = window[this.meta.entrypoint];
+                }
+
                 if (entrypoint === undefined) {
                     this.logManager.log("Widget entrypoint class not found!", {console: false});
                 } else {

diff --git a/src/wirecloud/platform/static/js/wirecloud/WidgetMeta.js b/src/wirecloud/platform/static/js/wirecloud/WidgetMeta.js
@@ -51,10 +51,6 @@
                     if (!this.js_files) {
                         throw new TypeError("missing js_files attribute in widget description");
                     }
-
-                    if (!this.entrypoint) {
-                        throw new TypeError("missing entrypoint attribute in widget description");
-                    }
                 }
             }
             if (this.codeurl.indexOf('?') === -1) {

diff --git a/src/wirecloud/platform/static/js/wirecloud/wiring/Operator.js b/src/wirecloud/platform/static/js/wirecloud/wiring/Operator.js
@@ -55,6 +55,7 @@
             const script = document.createElement('script');
             script.setAttribute('type', 'text/javascript');
             script.setAttribute('src', js_file);
+            script.dataset.id = this.meta.uri;
             script.async = false;
             document.body.appendChild(script);
             this.loaded_scripts.push(script);
@@ -203,7 +204,11 @@
             this.wrapperElement.contentDocument.defaultView.addEventListener('unload', on_unload.bind(this), true);
         } else if (!this.meta.missing && this.meta.macversion > 1) {
             // If this is a v2 or later operator, we need to instantiate it's entrypoint class
-            const entrypoint = window[this.meta.entrypoint];
+            let entrypoint = Wirecloud.APIComponents[this.meta.uri];
+            if (!entrypoint) {
+                entrypoint = window[this.meta.entrypoint];
+            }
+
             if (entrypoint === undefined) {
                 this.logManager.log("Operator entrypoint class not found!", {console: false});
             } else {

diff --git a/src/wirecloud/platform/static/js/wirecloud/wiring/OperatorMeta.js b/src/wirecloud/platform/static/js/wirecloud/wiring/OperatorMeta.js
@@ -58,10 +58,6 @@
                 if (!this.js_files) {
                     throw new TypeError("missing js_files attribute in operator description");
                 }
-
-                if (!this.entrypoint) {
-                    throw new TypeError("missing entrypoint attribute in operator description");
-                }
             }
 
             desc.properties.forEach((property_info) => {