diff options
Diffstat (limited to 'sandbox/sebastien/java/sca-node/modules/implementation-widget-runtime/src/main')
8 files changed, 1158 insertions, 0 deletions
diff --git a/sandbox/sebastien/java/sca-node/modules/implementation-widget-runtime/src/main/java/org/apache/tuscany/sca/implementation/widget/provider/WidgetImplementationInvoker.java b/sandbox/sebastien/java/sca-node/modules/implementation-widget-runtime/src/main/java/org/apache/tuscany/sca/implementation/widget/provider/WidgetImplementationInvoker.java new file mode 100644 index 0000000000..6ea37321e7 --- /dev/null +++ b/sandbox/sebastien/java/sca-node/modules/implementation-widget-runtime/src/main/java/org/apache/tuscany/sca/implementation/widget/provider/WidgetImplementationInvoker.java @@ -0,0 +1,240 @@ +/* + * 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. + */ + +package org.apache.tuscany.sca.implementation.widget.provider; + +import java.io.ByteArrayInputStream; +import java.io.ByteArrayOutputStream; +import java.io.IOException; +import java.io.InputStream; +import java.io.PrintWriter; +import java.net.MalformedURLException; +import java.net.URI; +import java.net.URL; + +import org.apache.tuscany.sca.assembly.Binding; +import org.apache.tuscany.sca.assembly.ComponentProperty; +import org.apache.tuscany.sca.assembly.ComponentReference; +import org.apache.tuscany.sca.assembly.OptimizableBinding; +import org.apache.tuscany.sca.invocation.Invoker; +import org.apache.tuscany.sca.invocation.Message; +import org.apache.tuscany.sca.runtime.RuntimeComponent; +import org.w3c.dom.Document; +import org.w3c.dom.Element; + + +/** + * Implements an invoker for resource component implementations. + * + * @version $Rev$ $Date$ + */ +class WidgetImplementationInvoker implements Invoker { + private RuntimeComponent component; + private String widgetName; + private String widgetFolderURL; + private String widgetLocationURL; + + WidgetImplementationInvoker(RuntimeComponent component, String widgetName, String widgetFolderURL, String widgetLocationURL) { + this.component = component; + this.widgetName = widgetName + ".js"; + this.widgetFolderURL = widgetFolderURL; + this.widgetLocationURL = widgetLocationURL; + } + + public Message invoke(Message msg) { + + // Get the resource id from the request message + String id = (String)((Object[])msg.getBody())[0]; + try { + + if (id.length() == 0) { + + // Return an input stream for the widget resource + URL url = new URL(widgetLocationURL); + InputStream is = url.openStream(); + msg.setBody(is); + + } else if (id.equals(widgetName)) { + + // Generate JavaScript header for use in the Widget + InputStream is = generateWidgetCode(); + msg.setBody(is); + + } else { + + // Return an input stream for a resource inside the + // widget folder + URL url = new URL(widgetFolderURL +'/' + id); + InputStream is = url.openStream(); + msg.setBody(is); + } + } catch (MalformedURLException e) { + + // Report exception as a fault + msg.setFaultBody(e); + } catch (IOException e) { + + // Report exception as a fault + msg.setFaultBody(e); + } + return msg; + } + + /** + * This helper class concatenates the necessary JavaScript client code into a + * single JavaScript per component + */ + private InputStream generateWidgetCode() throws IOException { + ByteArrayOutputStream bos = new ByteArrayOutputStream(); + PrintWriter pw = new PrintWriter(bos); + + pw.println(); + pw.println("/* Apache Tuscany SCA Widget header */"); + pw.println(); + + for(ComponentReference reference : component.getReferences()) { + for(Binding binding : reference.getBindings()) { + String bindingProxyName = WidgetProxyHelper.getJavaScriptProxyFile(binding.getClass().getName()); + if(bindingProxyName != null) { + generateJavaScriptBindingProxy(pw,bindingProxyName); + } + } + } + + //process properties + generateJavaScriptPropertyFunction(pw); + + //process references + generateJavaScriptReferenceFunction(pw); + + + pw.println(); + pw.println("/** End of Apache Tuscany SCA Widget */"); + pw.println(); + pw.flush(); + pw.close(); + + return new ByteArrayInputStream(bos.toByteArray()); + } + + /** + * Retrieve the binding proxy based on the bind name + * and embedded the JavaScript into this js + */ + private void generateJavaScriptBindingProxy(PrintWriter pw, String bindingProxyName) throws IOException { + //FIXME: Handle the case where the JavaScript binding client is not found + InputStream is = getClass().getClassLoader().getResourceAsStream(bindingProxyName); + if (is != null) { + int i; + while ((i = is.read()) != -1) { + pw.write(i); + } + } + + pw.println(); + pw.println(); + } + + /** + * Generate JavaScript code to inject SCA Properties + * @param pw + * @throws IOException + */ + private void generateJavaScriptPropertyFunction(PrintWriter pw) throws IOException { + + pw.println("var propertyMap = new String();"); + for(ComponentProperty property : component.getProperties()) { + String propertyName = property.getName(); + + pw.println("propertyMap." + propertyName + " = \"" + getPropertyValue(property) + "\""); + } + + pw.println("function Property(name) {"); + pw.println(" return propertyMap[name];"); + pw.println("}"); + } + + /** + * Convert property value to String + * @param property + * @return + */ + private String getPropertyValue(ComponentProperty property) { + Document doc = (Document)property.getValue(); + Element rootElement = doc.getDocumentElement(); + + String value = null; + + //FIXME : Provide support for isMany and other property types + + if (rootElement.getChildNodes().getLength() > 0) { + value = rootElement.getChildNodes().item(0).getTextContent(); + } + + return value; + } + + /** + * Generate JavaScript code to inject SCA References + * @param pw + * @throws IOException + */ + private void generateJavaScriptReferenceFunction (PrintWriter pw) throws IOException { + + pw.println("var referenceMap = new Object();"); + for(ComponentReference reference : component.getReferences()) { + String referenceName = reference.getName(); + Binding binding = reference.getBindings().get(0); + if (binding != null) { + + String proxyClient = WidgetProxyHelper.getJavaScriptProxyClient(binding.getClass().getName()); + if(proxyClient != null) { + + //FIXME Eventually the binding URI should be initialized from the SCA domain + // for now point to the target binding model directly, assuming that it's available + // in the same node + String targetURI = null; + if (binding instanceof OptimizableBinding) { + Binding targetBinding = ((OptimizableBinding)binding).getTargetBinding(); + if (targetBinding != null) { + targetURI = URI.create(targetBinding.getURI()).getPath(); + } + } + if (targetURI == null) { + targetURI = URI.create(binding.getURI()).getPath(); + if (!targetURI.startsWith("/")) { + targetURI = "/" + targetURI; + } + } + + if(proxyClient.equals("JSONRpcClient")) { + pw.println("referenceMap." + referenceName + " = new " + proxyClient + "(\"" + targetURI + "\").Service;"); + } else { + pw.println("referenceMap." + referenceName + " = new " + proxyClient + "(\"" + targetURI + "\");"); + } + } + } + } + + pw.println("function Reference(name) {"); + pw.println(" return referenceMap[name];"); + pw.println("}"); + } + +} diff --git a/sandbox/sebastien/java/sca-node/modules/implementation-widget-runtime/src/main/java/org/apache/tuscany/sca/implementation/widget/provider/WidgetImplementationProvider.java b/sandbox/sebastien/java/sca-node/modules/implementation-widget-runtime/src/main/java/org/apache/tuscany/sca/implementation/widget/provider/WidgetImplementationProvider.java new file mode 100644 index 0000000000..61176d912c --- /dev/null +++ b/sandbox/sebastien/java/sca-node/modules/implementation-widget-runtime/src/main/java/org/apache/tuscany/sca/implementation/widget/provider/WidgetImplementationProvider.java @@ -0,0 +1,67 @@ +/* + * 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. + */ +package org.apache.tuscany.sca.implementation.widget.provider; + +import org.apache.tuscany.sca.implementation.widget.WidgetImplementation; +import org.apache.tuscany.sca.interfacedef.Operation; +import org.apache.tuscany.sca.invocation.Invoker; +import org.apache.tuscany.sca.provider.ImplementationProvider; +import org.apache.tuscany.sca.runtime.RuntimeComponent; +import org.apache.tuscany.sca.runtime.RuntimeComponentService; + + +/** + * The model representing a resource implementation in an SCA assembly model. + * + * @version $Rev$ $Date$ + */ +class WidgetImplementationProvider implements ImplementationProvider { + private RuntimeComponent component; + private String widgetLocationURL; + private String widgetFolderURL; + private String widgetName; + + /** + * Constructs a new resource implementation provider. + */ + WidgetImplementationProvider(RuntimeComponent component, WidgetImplementation implementation) { + this.component = component; + widgetLocationURL = implementation.getLocationURL().toString(); + int s = widgetLocationURL.lastIndexOf('/'); + widgetFolderURL = widgetLocationURL.substring(0, s); + widgetName = widgetLocationURL.substring(s +1); + widgetName = widgetName.substring(0, widgetName.lastIndexOf('.')); + } + + public Invoker createInvoker(RuntimeComponentService service, Operation operation) { + WidgetImplementationInvoker invoker = new WidgetImplementationInvoker(component, widgetName, widgetFolderURL, widgetLocationURL); + return invoker; + } + + public boolean supportsOneWayInvocation() { + return false; + } + + public void start() { + } + + public void stop() { + } + +} diff --git a/sandbox/sebastien/java/sca-node/modules/implementation-widget-runtime/src/main/java/org/apache/tuscany/sca/implementation/widget/provider/WidgetImplementationProviderFactory.java b/sandbox/sebastien/java/sca-node/modules/implementation-widget-runtime/src/main/java/org/apache/tuscany/sca/implementation/widget/provider/WidgetImplementationProviderFactory.java new file mode 100644 index 0000000000..c57680fa1c --- /dev/null +++ b/sandbox/sebastien/java/sca-node/modules/implementation-widget-runtime/src/main/java/org/apache/tuscany/sca/implementation/widget/provider/WidgetImplementationProviderFactory.java @@ -0,0 +1,47 @@ +/* + * 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. + */ +package org.apache.tuscany.sca.implementation.widget.provider; + +import org.apache.tuscany.sca.core.ExtensionPointRegistry; +import org.apache.tuscany.sca.implementation.widget.WidgetImplementation; +import org.apache.tuscany.sca.provider.ImplementationProvider; +import org.apache.tuscany.sca.provider.ImplementationProviderFactory; +import org.apache.tuscany.sca.runtime.RuntimeComponent; + +/** + * The model representing a resource implementation in an SCA assembly model. + * + * @version $Rev$ $Date$ + */ +public class WidgetImplementationProviderFactory implements ImplementationProviderFactory<WidgetImplementation> { + + /** + * Constructs a resource implementation. + */ + public WidgetImplementationProviderFactory(ExtensionPointRegistry extensionPoints) { + } + + public ImplementationProvider createImplementationProvider(RuntimeComponent component, WidgetImplementation implementation) { + return new WidgetImplementationProvider(component, implementation); + } + + public Class<WidgetImplementation> getModelType() { + return WidgetImplementation.class; + } +} diff --git a/sandbox/sebastien/java/sca-node/modules/implementation-widget-runtime/src/main/java/org/apache/tuscany/sca/implementation/widget/provider/WidgetProxyHelper.java b/sandbox/sebastien/java/sca-node/modules/implementation-widget-runtime/src/main/java/org/apache/tuscany/sca/implementation/widget/provider/WidgetProxyHelper.java new file mode 100644 index 0000000000..5a0146a749 --- /dev/null +++ b/sandbox/sebastien/java/sca-node/modules/implementation-widget-runtime/src/main/java/org/apache/tuscany/sca/implementation/widget/provider/WidgetProxyHelper.java @@ -0,0 +1,51 @@ +/* + * 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. + */ + +package org.apache.tuscany.sca.implementation.widget.provider; + +import java.util.HashMap; +import java.util.Map; + +/** + * + * @version $Rev$ $Date$ + */ +class WidgetProxyHelper { + private static Map<String, String> proxyFileRegistry = new HashMap<String, String>(); + private static Map<String, String> proxyClient = new HashMap<String, String>(); + + static { + proxyFileRegistry.put("org.apache.tuscany.sca.binding.atom.impl.AtomBindingImpl", "binding-atom.js"); + proxyClient.put("org.apache.tuscany.sca.binding.atom.impl.AtomBindingImpl", "AtomClient"); + + proxyFileRegistry.put("org.apache.tuscany.sca.binding.jsonrpc.JSONRPCBinding", "binding-jsonrpc.js"); + proxyClient.put("org.apache.tuscany.sca.binding.jsonrpc.JSONRPCBinding", "JSONRpcClient"); + + proxyFileRegistry.put("org.apache.tuscany.sca.binding.http.impl.HTTPBindingImpl", "binding-http.js"); + proxyClient.put("org.apache.tuscany.sca.binding.http.impl.HTTPBindingImpl", "HTTPClient"); + } + + static String getJavaScriptProxyFile(String bindingClass) { + return proxyFileRegistry.get(bindingClass); + } + + static String getJavaScriptProxyClient(String bindingClass) { + return proxyClient.get(bindingClass); + } +} diff --git a/sandbox/sebastien/java/sca-node/modules/implementation-widget-runtime/src/main/resources/META-INF/services/org.apache.tuscany.sca.provider.ImplementationProviderFactory b/sandbox/sebastien/java/sca-node/modules/implementation-widget-runtime/src/main/resources/META-INF/services/org.apache.tuscany.sca.provider.ImplementationProviderFactory new file mode 100644 index 0000000000..d0f73cbdbb --- /dev/null +++ b/sandbox/sebastien/java/sca-node/modules/implementation-widget-runtime/src/main/resources/META-INF/services/org.apache.tuscany.sca.provider.ImplementationProviderFactory @@ -0,0 +1,19 @@ +# 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.
+
+# Implementation class for the implementation extension
+org.apache.tuscany.sca.implementation.widget.provider.WidgetImplementationProviderFactory;model=org.apache.tuscany.sca.implementation.widget.WidgetImplementation
diff --git a/sandbox/sebastien/java/sca-node/modules/implementation-widget-runtime/src/main/resources/binding-atom.js b/sandbox/sebastien/java/sca-node/modules/implementation-widget-runtime/src/main/resources/binding-atom.js new file mode 100644 index 0000000000..2719e9a9b9 --- /dev/null +++ b/sandbox/sebastien/java/sca-node/modules/implementation-widget-runtime/src/main/resources/binding-atom.js @@ -0,0 +1,137 @@ +/* + * 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/sandbox/sebastien/java/sca-node/modules/implementation-widget-runtime/src/main/resources/binding-http.js b/sandbox/sebastien/java/sca-node/modules/implementation-widget-runtime/src/main/resources/binding-http.js new file mode 100644 index 0000000000..60bd841679 --- /dev/null +++ b/sandbox/sebastien/java/sca-node/modules/implementation-widget-runtime/src/main/resources/binding-http.js @@ -0,0 +1,105 @@ +/* + * 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 HTTPClient(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; + if (responseFunction != null) responseFunction(strDocument); + } 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; + if (responseFunction != null) responseFunction(strDocument); + } else { + alert("post - Error getting data from the server"); + } + } + } + xhr.open("POST", uri, true); + xhr.setRequestHeader("Content-Type", "text/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; + if (responseFunction != null) responseFunction(strDocument); + } else { + alert("put - Error getting data from the server"); + } + } + } + xhr.open("PUT", uri + '/' + id, true); + xhr.setRequestHeader("Content-Type", "text/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; + } +} diff --git a/sandbox/sebastien/java/sca-node/modules/implementation-widget-runtime/src/main/resources/binding-jsonrpc.js b/sandbox/sebastien/java/sca-node/modules/implementation-widget-runtime/src/main/resources/binding-jsonrpc.js new file mode 100644 index 0000000000..ca3c2a8605 --- /dev/null +++ b/sandbox/sebastien/java/sca-node/modules/implementation-widget-runtime/src/main/resources/binding-jsonrpc.js @@ -0,0 +1,492 @@ +/* + * 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<arguments.length;i++) args.push(arguments[i]); + +/* TUSCANY change callback to be last arg instead of first to match binding.ajax + if(typeof args[0] == "function") callback = args.shift(); +*/ + if(typeof args[arguments.length-1] == "function") callback = args.pop(); + + var req = fn.client._makeRequest.call(fn.client, fn.methodName, + args, callback); + if(callback == null) { + return fn.client._sendRequest.call(fn.client, req); + } else { + JSONRpcClient.async_requests.push(req); + JSONRpcClient.kick_async(); + return req.requestId; + } + }; + fn.client = this; + fn.methodName = methodName; + return fn; +}; + +JSONRpcClient.prototype._addMethods = +function JSONRpcClient_addMethods(methodNames) +{ + for(var i=0; i<methodNames.length; i++) { + var obj = this; + var names = methodNames[i].split("."); + for(var n=0; n<names.length-1; n++) { + var name = names[n]; + if(obj[name]) { + obj = obj[name]; + } else { + obj[name] = new Object(); + obj = obj[name]; + } + } + var name = names[names.length-1]; + if(!obj[name]) { + var method = this._createMethod(methodNames[i]); + obj[name] = method; + } + } +}; + +JSONRpcClient._getCharsetFromHeaders = +function JSONRpcClient_getCharsetFromHeaders(http) +{ + try { + var contentType = http.getResponseHeader("Content-type"); + var parts = contentType.split(/\s*;\s*/); + for(var i =0; i < parts.length; i++) { + if(parts[i].substring(0, 8) == "charset=") + return parts[i].substring(8, parts[i].length); + } + } catch (e) {} + return "UTF-8"; /* default */ +}; + +/* Async queue globals */ +JSONRpcClient.async_requests = []; +JSONRpcClient.async_inflight = {}; +JSONRpcClient.async_responses = []; +JSONRpcClient.async_timeout = null; +JSONRpcClient.num_req_active = 0; + +JSONRpcClient._async_handler = +function JSONRpcClient_async_handler() +{ + JSONRpcClient.async_timeout = null; + + while(JSONRpcClient.async_responses.length > 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"); +}; |