diff options
Diffstat (limited to 'sca-java-1.x/branches/sca-java-M2/sca/services/bindings/binding.jsonrpc/src/main')
10 files changed, 941 insertions, 0 deletions
diff --git a/sca-java-1.x/branches/sca-java-M2/sca/services/bindings/binding.jsonrpc/src/main/java/org/apache/tuscany/binding/jsonrpc/JSONRPCBinding.java b/sca-java-1.x/branches/sca-java-M2/sca/services/bindings/binding.jsonrpc/src/main/java/org/apache/tuscany/binding/jsonrpc/JSONRPCBinding.java new file mode 100644 index 0000000000..101bfde6c2 --- /dev/null +++ b/sca-java-1.x/branches/sca-java-M2/sca/services/bindings/binding.jsonrpc/src/main/java/org/apache/tuscany/binding/jsonrpc/JSONRPCBinding.java @@ -0,0 +1,38 @@ +/* + * 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.binding.jsonrpc; + +import org.apache.tuscany.spi.model.Binding; + +/** + * Represents a binding to an RMI service. + * + * @version $Rev$ $Date$ + */ +public class JSONRPCBinding extends Binding { + private String uri; + + public String getURI() { + return uri; + } + + public void setURI(String uri) { + this.uri = uri; + } +} diff --git a/sca-java-1.x/branches/sca-java-M2/sca/services/bindings/binding.jsonrpc/src/main/java/org/apache/tuscany/binding/jsonrpc/JSONRPCBindingBuilder.java b/sca-java-1.x/branches/sca-java-M2/sca/services/bindings/binding.jsonrpc/src/main/java/org/apache/tuscany/binding/jsonrpc/JSONRPCBindingBuilder.java new file mode 100644 index 0000000000..85654f1104 --- /dev/null +++ b/sca-java-1.x/branches/sca-java-M2/sca/services/bindings/binding.jsonrpc/src/main/java/org/apache/tuscany/binding/jsonrpc/JSONRPCBindingBuilder.java @@ -0,0 +1,56 @@ +/* + * 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.binding.jsonrpc; + +import org.apache.tuscany.spi.annotation.Autowire; +import org.apache.tuscany.spi.component.CompositeComponent; +import org.apache.tuscany.spi.component.Service; +import org.apache.tuscany.spi.deployer.DeploymentContext; +import org.apache.tuscany.spi.extension.BindingBuilderExtension; +import org.apache.tuscany.spi.host.ServletHost; +import org.apache.tuscany.spi.model.BoundServiceDefinition; + +/** + * Builds a Service for JSON-RPC binding. + * + * @version $Rev$ $Date$ + */ +public class JSONRPCBindingBuilder extends BindingBuilderExtension<JSONRPCBinding> { + + private ServletHost servletHost; + + @Autowire() + public void setServletHost(ServletHost servletHost) { + this.servletHost = servletHost; + } + + protected Class<JSONRPCBinding> getBindingType() { + return JSONRPCBinding.class; + } + + @SuppressWarnings("unchecked") + public Service build(CompositeComponent parent, + BoundServiceDefinition<JSONRPCBinding> serviceDefinition, + DeploymentContext deploymentContext) { + Class<?> interfaze = serviceDefinition.getServiceContract().getInterfaceClass(); + + return new JSONRPCService(serviceDefinition.getName(), interfaze, parent, wireService, servletHost); + } + +} diff --git a/sca-java-1.x/branches/sca-java-M2/sca/services/bindings/binding.jsonrpc/src/main/java/org/apache/tuscany/binding/jsonrpc/JSONRPCBindingLoader.java b/sca-java-1.x/branches/sca-java-M2/sca/services/bindings/binding.jsonrpc/src/main/java/org/apache/tuscany/binding/jsonrpc/JSONRPCBindingLoader.java new file mode 100644 index 0000000000..9f2a35d912 --- /dev/null +++ b/sca-java-1.x/branches/sca-java-M2/sca/services/bindings/binding.jsonrpc/src/main/java/org/apache/tuscany/binding/jsonrpc/JSONRPCBindingLoader.java @@ -0,0 +1,57 @@ +/* + * 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.binding.jsonrpc; + +import static org.osoa.sca.Version.XML_NAMESPACE_1_0; +import javax.xml.namespace.QName; +import javax.xml.stream.XMLStreamException; +import javax.xml.stream.XMLStreamReader; + +import org.apache.tuscany.spi.annotation.Autowire; +import org.apache.tuscany.spi.component.CompositeComponent; +import org.apache.tuscany.spi.deployer.DeploymentContext; +import org.apache.tuscany.spi.extension.LoaderExtension; +import org.apache.tuscany.spi.loader.LoaderException; +import org.apache.tuscany.spi.loader.LoaderRegistry; +import org.osoa.sca.annotations.Scope; + +/** + * Loader for handling <binding.jsonrpc> elements. + * + * @version $Rev$ $Date$ + */ +@Scope("MODULE") +public class JSONRPCBindingLoader extends LoaderExtension<JSONRPCBinding> { + public static final QName BINDING_JSON = new QName(XML_NAMESPACE_1_0, "binding.jsonrpc"); + + public JSONRPCBindingLoader(@Autowire + LoaderRegistry registry) { + super(registry); + } + + public QName getXMLType() { + return BINDING_JSON; + } + + public JSONRPCBinding load(CompositeComponent parent, XMLStreamReader reader, DeploymentContext deploymentContext) throws XMLStreamException, + LoaderException { + + return new JSONRPCBinding(); + } +} diff --git a/sca-java-1.x/branches/sca-java-M2/sca/services/bindings/binding.jsonrpc/src/main/java/org/apache/tuscany/binding/jsonrpc/JSONRPCEntryPointServlet.java b/sca-java-1.x/branches/sca-java-M2/sca/services/bindings/binding.jsonrpc/src/main/java/org/apache/tuscany/binding/jsonrpc/JSONRPCEntryPointServlet.java new file mode 100644 index 0000000000..c7afc4742e --- /dev/null +++ b/sca-java-1.x/branches/sca-java-M2/sca/services/bindings/binding.jsonrpc/src/main/java/org/apache/tuscany/binding/jsonrpc/JSONRPCEntryPointServlet.java @@ -0,0 +1,71 @@ +/* + * 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.binding.jsonrpc; + +import java.io.IOException; + +import javax.servlet.http.HttpServletRequest; +import javax.servlet.http.HttpServletResponse; +import javax.servlet.http.HttpSession; + +import com.metaparadigm.jsonrpc.JSONRPCBridge; +import com.metaparadigm.jsonrpc.JSONRPCServlet; + +/** + * + * + */ +public class JSONRPCEntryPointServlet extends JSONRPCServlet { + private static final long serialVersionUID = 1L; + + String serviceName; + + Object serviceInstance; + + public JSONRPCEntryPointServlet(String serviceName, Object serviceInstance) { + this.serviceName = serviceName; + this.serviceInstance = serviceInstance; + + } + + /* + * (non-Javadoc) + * + * @see com.metaparadigm.jsonrpc.JSONRPCServlet#service(javax.servlet.http.HttpServletRequest, javax.servlet.http.HttpServletResponse) + */ + @Override + public void service(HttpServletRequest request, HttpServletResponse response) throws IOException, ClassCastException { + + /* + * Create a new bridge for every request to aviod all the problems with JSON-RPC-Java storing the bridge in the session + */ + HttpSession session = request.getSession(); + try { + + JSONRPCBridge jsonrpcBridge = new JSONRPCBridge(); + jsonrpcBridge.registerObject(serviceName, serviceInstance); + session.setAttribute("JSONRPCBridge", jsonrpcBridge); + + super.service(request, response); + + } finally { + session.removeAttribute("JSONRPCBridge"); + } + } +} diff --git a/sca-java-1.x/branches/sca-java-M2/sca/services/bindings/binding.jsonrpc/src/main/java/org/apache/tuscany/binding/jsonrpc/JSONRPCService.java b/sca-java-1.x/branches/sca-java-M2/sca/services/bindings/binding.jsonrpc/src/main/java/org/apache/tuscany/binding/jsonrpc/JSONRPCService.java new file mode 100644 index 0000000000..58d1d087ac --- /dev/null +++ b/sca-java-1.x/branches/sca-java-M2/sca/services/bindings/binding.jsonrpc/src/main/java/org/apache/tuscany/binding/jsonrpc/JSONRPCService.java @@ -0,0 +1,56 @@ +/* + * 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.binding.jsonrpc; + +import org.apache.tuscany.spi.component.CompositeComponent; +import org.apache.tuscany.spi.extension.ServiceExtension; +import org.apache.tuscany.spi.host.ServletHost; +import org.apache.tuscany.spi.wire.WireService; +import org.osoa.sca.annotations.Destroy; + +/** + * @version $Rev$ $Date$ + */ +public class JSONRPCService extends ServiceExtension { + private ServletHost servletHost; + + public JSONRPCService(String theName, Class<?> interfaze, CompositeComponent parent, WireService wireService, ServletHost servletHost) { + + super(theName, interfaze, parent, wireService); + + this.servletHost = servletHost; + } + + public void start() { + super.start(); + + JSONRPCEntryPointServlet servlet = new JSONRPCEntryPointServlet(getName(), this.getServiceInstance()); + servletHost.registerMapping("/" + getName(), servlet); + servletHost.registerMapping("/SCA/scripts", new ScriptGetterServlet()); + } + + @Destroy + public void stop() { + servletHost.unregisterMapping("/" + getName()); + servletHost.unregisterMapping("/SCA/scripts"); + + super.stop(); + } + +} diff --git a/sca-java-1.x/branches/sca-java-M2/sca/services/bindings/binding.jsonrpc/src/main/java/org/apache/tuscany/binding/jsonrpc/ScriptGetterServlet.java b/sca-java-1.x/branches/sca-java-M2/sca/services/bindings/binding.jsonrpc/src/main/java/org/apache/tuscany/binding/jsonrpc/ScriptGetterServlet.java new file mode 100644 index 0000000000..8f8a96df20 --- /dev/null +++ b/sca-java-1.x/branches/sca-java-M2/sca/services/bindings/binding.jsonrpc/src/main/java/org/apache/tuscany/binding/jsonrpc/ScriptGetterServlet.java @@ -0,0 +1,52 @@ +/* + * 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.binding.jsonrpc; + +import java.io.IOException; +import java.io.InputStream; +import java.net.URL; + +import javax.servlet.ServletOutputStream; +import javax.servlet.http.HttpServlet; +import javax.servlet.http.HttpServletRequest; +import javax.servlet.http.HttpServletResponse; + +public class ScriptGetterServlet extends HttpServlet { + + private static final long serialVersionUID = 1L; + + // private static final String SCA_INIT_JS = "SCA = new JSONRpcClient(\"services/HelloWorldService\");"; + + public void doGet(HttpServletRequest request, HttpServletResponse response) throws IOException { + URL url = getClass().getResource("jsonrpc.js"); + InputStream is = url.openStream(); + writeToStream(response, is); + + // writeToStream(response, new ByteArrayInputStream(SCA_INIT_JS.getBytes())); + } + + private void writeToStream(HttpServletResponse response, InputStream is) throws IOException { + ServletOutputStream os = response.getOutputStream(); + int i; + while ((i = is.read()) != -1) { // NOPMD + os.write(i); + } + } + +} diff --git a/sca-java-1.x/branches/sca-java-M2/sca/services/bindings/binding.jsonrpc/src/main/resources/META-INF/sca/binding.jsonrpc.scdl b/sca-java-1.x/branches/sca-java-M2/sca/services/bindings/binding.jsonrpc/src/main/resources/META-INF/sca/binding.jsonrpc.scdl new file mode 100644 index 0000000000..4081d437c3 --- /dev/null +++ b/sca-java-1.x/branches/sca-java-M2/sca/services/bindings/binding.jsonrpc/src/main/resources/META-INF/sca/binding.jsonrpc.scdl @@ -0,0 +1,42 @@ +<?xml version="1.0" encoding="UTF-8"?> +<!-- + * 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. +--> +<!-- + Default system configuration for the launcher environment. + + $Rev$ $Date$ +--> +<composite xmlns="http://www.osoa.org/xmlns/sca/1.0" + xmlns:system="http://incubator.apache.org/tuscany/xmlns/system/1.0-incubator-M2" + name="org.apache.tuscany.binding.jsonrpc"> + + <!-- dependency xmlns="http://incubator.apache.org/tuscany/xmlns/1.0-incubator-M2"> + <groupId>com.metaparadigm</groupId> + <name>json-rpc</name> + <version>1.0</version> + </dependency --> + + <component name="binding.jsonrpc.bindingLoader"> + <system:implementation.system class="org.apache.tuscany.binding.jsonrpc.JSONRPCBindingLoader"/> + </component> + + <component name="binding.jsonrpc.bindingBuilder"> + <system:implementation.system class="org.apache.tuscany.binding.jsonrpc.JSONRPCBindingBuilder"/> + </component> +</composite> diff --git a/sca-java-1.x/branches/sca-java-M2/sca/services/bindings/binding.jsonrpc/src/main/resources/META-INF/sca/default.scdl b/sca-java-1.x/branches/sca-java-M2/sca/services/bindings/binding.jsonrpc/src/main/resources/META-INF/sca/default.scdl new file mode 100644 index 0000000000..aec9bb440b --- /dev/null +++ b/sca-java-1.x/branches/sca-java-M2/sca/services/bindings/binding.jsonrpc/src/main/resources/META-INF/sca/default.scdl @@ -0,0 +1,43 @@ +<?xml version="1.0" encoding="UTF-8"?> +<!-- + * 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. +--> +<!-- + Default system configuration for the launcher environment. + + $Rev$ $Date$ +--> +<composite xmlns="http://www.osoa.org/xmlns/sca/1.0" + xmlns:system="http://incubator.apache.org/tuscany/xmlns/system/1.0-incubator-M2" + name="org.apache.tuscany.binding.jsonrpc"> + + <dependency xmlns="http://incubator.apache.org/tuscany/xmlns/1.0-incubator-M2"> + <group>com.metaparadigm</group> + <name>json-rpc</name> + <version>1.0</version> + </dependency> + + <component name="binding.jsonrpc.bindingLoader"> + <system:implementation.system class="org.apache.tuscany.binding.jsonrpc.JSONRPCBindingLoader"/> + </component> + + <component name="binding.jsonrpc.bindingBuilder"> + <system:implementation.system class="org.apache.tuscany.binding.jsonrpc.JSONRPCBindingBuilder"/> + </component> + +</composite> diff --git a/sca-java-1.x/branches/sca-java-M2/sca/services/bindings/binding.jsonrpc/src/main/resources/META-INF/sca/jsonrpc_extension.scdl b/sca-java-1.x/branches/sca-java-M2/sca/services/bindings/binding.jsonrpc/src/main/resources/META-INF/sca/jsonrpc_extension.scdl new file mode 100644 index 0000000000..4081d437c3 --- /dev/null +++ b/sca-java-1.x/branches/sca-java-M2/sca/services/bindings/binding.jsonrpc/src/main/resources/META-INF/sca/jsonrpc_extension.scdl @@ -0,0 +1,42 @@ +<?xml version="1.0" encoding="UTF-8"?> +<!-- + * 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. +--> +<!-- + Default system configuration for the launcher environment. + + $Rev$ $Date$ +--> +<composite xmlns="http://www.osoa.org/xmlns/sca/1.0" + xmlns:system="http://incubator.apache.org/tuscany/xmlns/system/1.0-incubator-M2" + name="org.apache.tuscany.binding.jsonrpc"> + + <!-- dependency xmlns="http://incubator.apache.org/tuscany/xmlns/1.0-incubator-M2"> + <groupId>com.metaparadigm</groupId> + <name>json-rpc</name> + <version>1.0</version> + </dependency --> + + <component name="binding.jsonrpc.bindingLoader"> + <system:implementation.system class="org.apache.tuscany.binding.jsonrpc.JSONRPCBindingLoader"/> + </component> + + <component name="binding.jsonrpc.bindingBuilder"> + <system:implementation.system class="org.apache.tuscany.binding.jsonrpc.JSONRPCBindingBuilder"/> + </component> +</composite> diff --git a/sca-java-1.x/branches/sca-java-M2/sca/services/bindings/binding.jsonrpc/src/main/resources/org/apache/tuscany/binding/jsonrpc/jsonrpc.js b/sca-java-1.x/branches/sca-java-M2/sca/services/bindings/binding.jsonrpc/src/main/resources/org/apache/tuscany/binding/jsonrpc/jsonrpc.js new file mode 100644 index 0000000000..2b9efbb55c --- /dev/null +++ b/sca-java-1.x/branches/sca-java-M2/sca/services/bindings/binding.jsonrpc/src/main/resources/org/apache/tuscany/binding/jsonrpc/jsonrpc.js @@ -0,0 +1,484 @@ +/* + * 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. + * + */ + + +/* 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]); + if(typeof args[0] == "function") callback = args.shift(); + 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"); +}; + |