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/*
* 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;
import java.util.HashMap;
import java.util.Map;
import org.apache.tuscany.sca.binding.comet.runtime.javascript.JavascriptGenerator;
import org.apache.tuscany.sca.host.http.ServletHost;
import org.apache.tuscany.sca.interfacedef.Operation;
import org.apache.tuscany.sca.runtime.RuntimeEndpoint;
import org.atmosphere.cpr.AtmosphereServlet;
public class ServletFactory {
private static final String PACKAGE_KEY = "com.sun.jersey.config.property.packages";
private static final String PACKAGE_VALUE = "org.apache.tuscany.sca.binding.comet.runtime.handler";
private static final String JS_PACKAGE_VALUE = "org.apache.tuscany.sca.binding.comet.runtime.javascript";
public static final String ENDPOINTS_KEY = "org.apache.tuscany.sca.binding.comet.endpoints";
public static final String OPERATIONS_KEY = "org.apache.tuscany.sca.binding.comet.operations";
public static final String JS_KEY = "org.apache.tuscany.sca.binding.comet.javascript";
public static final String PATH = "/tuscany-comet/*";
public static final String JS_PATH = "/org.apache.tuscany.sca.cometComponentContext.js/*";
private static AtmosphereServlet cometServlet = null;
private static AtmosphereServlet javascriptServlet = null;
public static synchronized void registerServlet(ServletHost servletHost,
RuntimeEndpoint endpoint,
Operation operation) {
if (cometServlet == null) {
cometServlet = new AtmosphereServlet();
cometServlet.addInitParameter(PACKAGE_KEY, PACKAGE_VALUE);
servletHost.addServletMapping(PATH, cometServlet);
Map<String, RuntimeEndpoint> endpoints = new HashMap<String, RuntimeEndpoint>();
cometServlet.getServletContext().setAttribute(ENDPOINTS_KEY, endpoints);
Map<String, Operation> operations = new HashMap<String, Operation>();
cometServlet.getServletContext().setAttribute(OPERATIONS_KEY, operations);
}
String url = "/" + endpoint.getService().getName() + "/" + operation.getName();
Map<String, RuntimeEndpoint> endpoints =
(Map<String, RuntimeEndpoint>)cometServlet.getServletContext().getAttribute(ENDPOINTS_KEY);
endpoints.put(url, endpoint);
Map<String, Operation> operations =
(Map<String, Operation>)cometServlet.getServletContext().getAttribute(OPERATIONS_KEY);
operations.put(url, operation);
if (javascriptServlet == null) {
javascriptServlet = new AtmosphereServlet();
javascriptServlet.addInitParameter(PACKAGE_KEY, JS_PACKAGE_VALUE);
servletHost.addServletMapping(JS_PATH, javascriptServlet);
javascriptServlet.getServletContext().setAttribute(JS_KEY, JavascriptGenerator.javascript);
}
}
}
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