/**
* 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.geronimo.console.ajax;
import java.util.Set;
import javax.servlet.http.HttpSession;
import javax.servlet.http.HttpServletRequest;
import org.apache.geronimo.console.car.ManagementHelper;
import org.apache.geronimo.gbean.AbstractName;
import org.apache.geronimo.gbean.AbstractNameQuery;
import org.apache.geronimo.kernel.Kernel;
import org.apache.geronimo.kernel.KernelRegistry;
import org.apache.geronimo.system.plugin.DownloadResults;
import org.apache.geronimo.system.plugin.PluginInstaller;
import org.apache.geronimo.system.plugin.PluginInstallerGBean;
import org.directwebremoting.ScriptSession;
import org.directwebremoting.WebContext;
import org.directwebremoting.WebContextFactory;
import org.directwebremoting.annotations.RemoteMethod;
import org.directwebremoting.annotations.RemoteProxy;
import org.directwebremoting.proxy.ScriptProxy;
/**
* Provides information to an AJAX client during server side activities.
*/
@RemoteProxy
public class ProgressMonitor {
private PluginInstaller pluginInstaller = null;
@RemoteMethod
public void getProgressInfo(Integer downloadKey) throws Exception {
// DWR objects
WebContext wctx = WebContextFactory.get();
ScriptSession scriptSession = wctx.getScriptSession();
//DownloadResults results = getPluginInstaller().checkOnInstall(downloadKey);
ScriptProxy scriptProxy = new ScriptProxy();
scriptProxy.addScriptSession(scriptSession);
PluginInstallerGBean pluginInstallerInternal = (PluginInstallerGBean) getPluginInstaller();
DownloadResults results = pluginInstallerInternal.checkOnInstall(downloadKey, false);
//In the event results.isFinished is passed in true during polling
scriptProxy.addFunctionCall("setMainMessage", results.getCurrentMessage());
scriptProxy.addFunctionCall("setProgressCurrentFile", results.getCurrentFile());
while (!results.isFinished()) {
// update the progress bar
scriptProxy.addFunctionCall("setProgressCurrentFile", results.getCurrentFile());
scriptProxy.addFunctionCall("setProgressPercent", results.getCurrentFilePercent());
scriptProxy.addFunctionCall("setMainMessage", results.getCurrentMessage());
// get an update on the download progress, sleep time reduce to poll faster for smaller files
Thread.sleep(100);
//results = getPluginInstaller().checkOnInstall(downloadKey);
results = pluginInstallerInternal.checkOnInstall(downloadKey, false);
}
if(results.isFailed()) {
scriptProxy.addFunctionCall("setErrorMessage", results.getFailure().toString());
throw new Exception("Unable to install configuration", results.getFailure());
}
//Fills bar at the end in the event the poller didn't catch the 100
scriptProxy.addFunctionCall("setProgressFull");
scriptProxy.addFunctionCall("setFinished");
}
private synchronized PluginInstaller getPluginInstaller() throws Exception {
if (pluginInstaller == null) {
Kernel kernel = KernelRegistry.getSingleKernel();
Set<AbstractName> pluginInstallers = kernel.listGBeans(new AbstractNameQuery(PluginInstaller.class.getName()));
if (pluginInstallers.size() == 0) {
throw new IllegalStateException("No plugin installer registered");
}
pluginInstaller = (PluginInstaller) kernel.getGBean(pluginInstallers.iterator().next());
}
return pluginInstaller;
}
}