/**
*
* Copyright 2005 The Apache Software Foundation
*
* 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.
*/
package org.apache.geronimo.welcome;
import java.io.IOException;
import java.net.URL;
import java.util.Set;
import javax.security.auth.login.FailedLoginException;
import javax.servlet.RequestDispatcher;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
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.kernel.config.ConfigurationUtil;
import org.apache.geronimo.kernel.config.ConfigurationManager;
import org.apache.geronimo.kernel.config.NoSuchConfigException;
import org.apache.geronimo.kernel.config.LifecycleException;
import org.apache.geronimo.kernel.repository.Artifact;
import org.apache.geronimo.system.plugin.PluginInstaller;
import org.apache.geronimo.system.plugin.PluginList;
import org.apache.geronimo.system.plugin.PluginMetadata;
import org.apache.geronimo.system.plugin.PluginRepositoryList;
import org.apache.geronimo.system.plugin.DownloadResults;
/**
* Stands in for servlets that are not yet installed, offering to install them.
*
* @version $Rev: 409817 $ $Date: 2006-05-27 09:56:38 +0200 (Sat, 27 May 2006) $
*/
public class AbsentSampleServlet extends HttpServlet {
protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
String install = request.getParameter("install");
if(install != null && !install.equals("")) {
doInstall(request, response);
} else {
doMessage(request, response);
}
}
private void doMessage(HttpServletRequest request, HttpServletResponse response) throws IOException, ServletException {
RequestDispatcher dispatcher = getServletContext().getRequestDispatcher("/sampleNotInstalled.jsp");
dispatcher.forward(request, response);
}
private void doInstall(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
Kernel kernel = KernelRegistry.getSingleKernel();
PluginInstaller installer = getPluginInstaller(kernel);
String moduleIdName = getInitParameter("moduleId");
moduleIdName = moduleIdName.replaceAll("SERVER", getServerType());
URL repo = getFirstPluginRepository(kernel);
PluginMetadata target = new PluginMetadata("Sample Application", null, "Samples", "A sample application",
null, null, null, false, true);
target.setDependencies(new String[]{moduleIdName});
DownloadResults results = installer.install(new PluginList(new URL[]{repo, new URL("http://www.ibiblio.org/maven2/")},
new PluginMetadata[]{target}), null, null);
if(results.isFailed()) {
throw new ServletException("Unable to install sample application", results.getFailure());
}
ConfigurationManager mgr = ConfigurationUtil.getConfigurationManager(kernel);
for (int i = 0; i < results.getInstalledConfigIDs().length; i++) {
Artifact artifact = results.getInstalledConfigIDs()[i];
if(mgr.isConfiguration(artifact)) {
try {
if(!mgr.isLoaded(artifact)) {
mgr.loadConfiguration(artifact);
}
if(!mgr.isRunning(artifact)) {
mgr.startConfiguration(artifact);
}
} catch (NoSuchConfigException e) {
throw new ServletException("Unable to start sample application", e);
} catch (LifecycleException e) {
throw new ServletException("Unable to start sample application", e);
}
}
}
response.sendRedirect(request.getContextPath()+request.getServletPath()+"/");
}
private String getServerType() {
return getServletContext().getServerInfo().toLowerCase().indexOf("jetty") > -1 ? "jetty" : "tomcat";
}
private PluginInstaller getPluginInstaller(Kernel kernel) throws ServletException {
Set installers = kernel.listGBeans(new AbstractNameQuery(PluginInstaller.class.getName()));
if(installers.size() == 0) {
throw new ServletException("Unable to install sample application; no plugin installer found");
}
return (PluginInstaller)kernel.getProxyManager().createProxy((AbstractName) installers.iterator().next(),
PluginInstaller.class);
}
private URL getFirstPluginRepository(Kernel kernel) throws ServletException {
Set installers = kernel.listGBeans(new AbstractNameQuery(PluginRepositoryList.class.getName()));
if(installers.size() == 0) {
throw new ServletException("Unable to install sample application; no plugin repository list found");
}
PluginRepositoryList repos = ((PluginRepositoryList) kernel.getProxyManager().createProxy((AbstractName) installers.iterator().next(),
PluginRepositoryList.class));
URL[] urls = repos.getRepositories();
if(urls.length == 0) {
repos.refresh();
urls = repos.getRepositories();
if(urls.length == 0) {
throw new ServletException("Unable to install sample applicatoin; unable to download repository list");
}
}
return urls[0];
}
}