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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.host.webapp;
import java.util.List;
import org.apache.tuscany.sca.core.ExtensionPointRegistry;
import org.apache.tuscany.sca.core.ModuleActivator;
import org.apache.tuscany.sca.host.http.ServletHost;
import org.apache.tuscany.sca.host.http.ServletHostExtensionPoint;
/**
* Activates the webapp host by registering the webapp ServletHost impl
*
* @version $Rev$ $Date$
*/
public class WebAppModuleActivator implements ModuleActivator {
public void start(ExtensionPointRegistry extensionPointRegistry) {
ServletHostExtensionPoint servletHosts =
extensionPointRegistry.getExtensionPoint(ServletHostExtensionPoint.class);
List<ServletHost> hosts = servletHosts.getServletHosts();
if (isRunningInWebapp()) {
if (hosts.size() > 0) {
hosts.removeAll(hosts);
}
servletHosts.addServletHost(WebAppServletHost.getInstance());
}
}
public void stop(ExtensionPointRegistry registry) {
}
/**
* TODO: this seems a bit of a hacky way to find if its running in a webapp
* is there a better way?
*/
private boolean isRunningInWebapp() {
for (StackTraceElement ste : new Exception().getStackTrace()) {
if (ste.getClassName().equals(WebSCADomain.class.getName())) {
return true;
}
}
return false;
}
}
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