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author | antelder <antelder@13f79535-47bb-0310-9956-ffa450edef68> | 2012-02-16 15:42:47 +0000 |
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committer | antelder <antelder@13f79535-47bb-0310-9956-ffa450edef68> | 2012-02-16 15:42:47 +0000 |
commit | 7c60dda128ad42687f78d62c43603bb5d9e9c263 (patch) | |
tree | d80baab58d59ddf1afc0ee6ea689ec329d49a604 /sca-java-2.x/tags/2.0-Beta2-RC2/modules/binding-comet-runtime/src/main/java/org/apache/tuscany/sca/binding/comet/runtime/handler/CometBindingHandler.java | |
parent | 86beaaacd17f5d9fba397114fae2799390929a48 (diff) |
Delete old RC tags
git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@1245043 13f79535-47bb-0310-9956-ffa450edef68
Diffstat (limited to '')
-rw-r--r-- | sca-java-2.x/tags/2.0-Beta2-RC2/modules/binding-comet-runtime/src/main/java/org/apache/tuscany/sca/binding/comet/runtime/handler/CometBindingHandler.java | 174 |
1 files changed, 0 insertions, 174 deletions
diff --git a/sca-java-2.x/tags/2.0-Beta2-RC2/modules/binding-comet-runtime/src/main/java/org/apache/tuscany/sca/binding/comet/runtime/handler/CometBindingHandler.java b/sca-java-2.x/tags/2.0-Beta2-RC2/modules/binding-comet-runtime/src/main/java/org/apache/tuscany/sca/binding/comet/runtime/handler/CometBindingHandler.java deleted file mode 100644 index 512b834840..0000000000 --- a/sca-java-2.x/tags/2.0-Beta2-RC2/modules/binding-comet-runtime/src/main/java/org/apache/tuscany/sca/binding/comet/runtime/handler/CometBindingHandler.java +++ /dev/null @@ -1,174 +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. - */ - -package org.apache.tuscany.sca.binding.comet.runtime.handler; - -import java.lang.reflect.InvocationTargetException; -import java.util.ArrayList; -import java.util.List; -import java.util.Map; - -import javax.servlet.ServletContext; -import javax.ws.rs.FormParam; -import javax.ws.rs.GET; -import javax.ws.rs.POST; -import javax.ws.rs.Path; -import javax.ws.rs.PathParam; -import javax.ws.rs.Produces; -import javax.ws.rs.core.Context; - -import org.apache.tuscany.sca.binding.comet.runtime.ServletFactory; -import org.apache.tuscany.sca.interfacedef.DataType; -import org.apache.tuscany.sca.interfacedef.Operation; -import org.apache.tuscany.sca.runtime.RuntimeEndpoint; -import org.atmosphere.annotation.Broadcast; -import org.atmosphere.cpr.Broadcaster; -import org.atmosphere.cpr.DefaultBroadcaster; -import org.atmosphere.jersey.Broadcastable; -import org.atmosphere.jersey.SuspendResponse; - -import com.google.gson.Gson; -import com.sun.jersey.spi.container.servlet.PerSession; - -/** - * Class serving calls coming for comet services and operations. - */ -@Path("/") -@Produces("text/html;charset=ISO-8859-1") -@PerSession -public class CometBindingHandler { - - /** - * The object used to suspend the response and send async responses back to - * client. - */ - private Broadcaster broadcaster; - - /** - * The service endpoints corresponding to each operation. - */ - private Map<String, RuntimeEndpoint> endpoints; - - /** - * The comet operations. - */ - private Map<String, Operation> operations; - - /** - * JSON converter. - */ - private Gson gson; - - /** - * The underlying servlet context. - */ - @Context - private ServletContext sc; - - /** - * Method called at comet connect time. This suspends the response and keeps - * the connection opened. - * - * @return the suspended response - */ - @GET - public SuspendResponse<String> connect() { - this.broadcaster = new DefaultBroadcaster(); - this.endpoints = (Map<String, RuntimeEndpoint>)this.sc.getAttribute(ServletFactory.ENDPOINTS_KEY); - this.operations = (Map<String, Operation>)this.sc.getAttribute(ServletFactory.OPERATIONS_KEY); - this.gson = new Gson(); - return new SuspendResponse.SuspendResponseBuilder<String>().broadcaster(this.broadcaster).outputComments(true) - .build(); - } - - /** - * Method called on service calls. - * - * @param service service called - * @param method operation called - * @param callbackMethod the callback method from Javascript - * @param jsonData arguments for the method sent as JSON array - * @return object used by the Broadcaster to send response through the - * persisted connection - * @throws InvocationTargetException if problems occur at service invocation - */ - @POST - @Path("/{service}/{method}") - @Broadcast - public Broadcastable callAndRespond(@PathParam("service") final String service, - @PathParam("method") final String method, - @FormParam("callback") final String callbackMethod, - @FormParam("params") final String jsonData) throws InvocationTargetException { - final String url = "/" + service + "/" + method; - final RuntimeEndpoint wire = this.endpoints.get(url); - final Operation operation = this.operations.get(url); - final Object[] args = new Object[operation.getInputType().getLogical().size()]; - final String[] json = this.parseArray(jsonData); - int index = 0; - // convert each argument to the corresponding class - for (final DataType<?> dataType : operation.getInputType().getLogical()) { - args[index] = this.gson.fromJson(json[index], dataType.getPhysical()); - index++; - } - // invoke the service operation - final Object response = wire.invoke(operation, args); - return new Broadcastable(callbackMethod + "($.secureEvalJSON('" + this.gson.toJson(response) + "'))", "", - this.broadcaster); - } - - /** - * Parse the JSON array containing the arguments for the method call in - * order to avoid converting JSON to Object[]. Converting each object - * separately to it's corresponding type avoids type mismatch problems at - * service invocation. - * - * @param jsonArray the JSON array - * @return an array of JSON formatted objects - */ - private String[] parseArray(final String jsonArray) { - final List<String> objects = new ArrayList<String>(); - int bracketNum = 0; - int parNum = 0; - int startPos = 1; - for (int i = 0; i < jsonArray.length(); i++) { - switch (jsonArray.charAt(i)) { - case '{': - bracketNum++; - break; - case '}': - bracketNum--; - break; - case '[': - parNum++; - break; - case ']': - parNum--; - break; - case ',': - if ((bracketNum == 0) && (parNum == 1)) { - objects.add(jsonArray.substring(startPos, i)); - startPos = i + 1; - } - } - } - // add last object - objects.add(jsonArray.substring(startPos, jsonArray.length() - 1)); - return objects.toArray(new String[] {}); - } -} |