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17 package org.apache.geronimo.welcome;
18
19 import java.io.IOException  ;
20 import java.net.URL ;
21 import java.util.Set ;
22 import javax.security.auth.login.FailedLoginException ;
23 import javax.servlet.RequestDispatcher ;
24 import javax.servlet.ServletException ;
25 import javax.servlet.http.HttpServlet ;
26 import javax.servlet.http.HttpServletRequest ;
27 import javax.servlet.http.HttpServletResponse ;
28 import org.apache.geronimo.gbean.AbstractName;
29 import org.apache.geronimo.gbean.AbstractNameQuery;
30 import org.apache.geronimo.kernel.Kernel;
31 import org.apache.geronimo.kernel.KernelRegistry;
32 import org.apache.geronimo.kernel.config.ConfigurationUtil;
33 import org.apache.geronimo.kernel.config.ConfigurationManager;
34 import org.apache.geronimo.kernel.config.NoSuchConfigException;
35 import org.apache.geronimo.kernel.config.LifecycleException;
36 import org.apache.geronimo.kernel.repository.Artifact;
37 import org.apache.geronimo.system.plugin.PluginInstaller;
38 import org.apache.geronimo.system.plugin.PluginList;
39 import org.apache.geronimo.system.plugin.PluginMetadata;
40 import org.apache.geronimo.system.plugin.PluginRepositoryList;
41 import org.apache.geronimo.system.plugin.DownloadResults;
42
43
48 public class AbsentSampleServlet extends HttpServlet {
49 protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException , IOException {
50 String install = request.getParameter("install");
51 if(install != null && !install.equals("")) {
52 doInstall(request, response);
53 } else {
54 doMessage(request, response);
55 }
56 }
57
58 private void doMessage(HttpServletRequest request, HttpServletResponse response) throws IOException , ServletException {
59 RequestDispatcher dispatcher = getServletContext().getRequestDispatcher("/sampleNotInstalled.jsp");
60 dispatcher.forward(request, response);
61 }
62
63 private void doInstall(HttpServletRequest request, HttpServletResponse response) throws ServletException , IOException {
64 Kernel kernel = KernelRegistry.getSingleKernel();
65 PluginInstaller installer = getPluginInstaller(kernel);
66 String moduleIdName = getInitParameter("moduleId");
67 moduleIdName = moduleIdName.replaceAll("SERVER", getServerType());
68 URL repo = getFirstPluginRepository(kernel);
69 PluginMetadata target = new PluginMetadata("Sample Application", null, "Samples", "A sample application",
70 null, null, null, false, true);
71 target.setDependencies(new String []{moduleIdName});
72 DownloadResults results = installer.install(new PluginList(new URL []{repo, new URL ("http://www.ibiblio.org/maven2/")},
73 new PluginMetadata[]{target}), null, null);
74 if(results.isFailed()) {
75 throw new ServletException ("Unable to install sample application", results.getFailure());
76 }
77 ConfigurationManager mgr = ConfigurationUtil.getConfigurationManager(kernel);
78 for (int i = 0; i < results.getInstalledConfigIDs().length; i++) {
79 Artifact artifact = results.getInstalledConfigIDs()[i];
80 if(mgr.isConfiguration(artifact)) {
81 try {
82 if(!mgr.isLoaded(artifact)) {
83 mgr.loadConfiguration(artifact);
84 }
85 if(!mgr.isRunning(artifact)) {
86 mgr.startConfiguration(artifact);
87 }
88 } catch (NoSuchConfigException e) {
89 throw new ServletException ("Unable to start sample application", e);
90 } catch (LifecycleException e) {
91 throw new ServletException ("Unable to start sample application", e);
92 }
93 }
94 }
95 response.sendRedirect(request.getContextPath()+request.getServletPath()+"/");
96 }
97
98 private String getServerType() {
99 return getServletContext().getServerInfo().toLowerCase().indexOf("jetty") > -1 ? "jetty" : "tomcat";
100 }
101
102 private PluginInstaller getPluginInstaller(Kernel kernel) throws ServletException {
103 Set installers = kernel.listGBeans(new AbstractNameQuery(PluginInstaller.class.getName()));
104 if(installers.size() == 0) {
105 throw new ServletException ("Unable to install sample application; no plugin installer found");
106 }
107 return (PluginInstaller)kernel.getProxyManager().createProxy((AbstractName) installers.iterator().next(),
108 PluginInstaller.class);
109 }
110
111 private URL getFirstPluginRepository(Kernel kernel) throws ServletException {
112 Set installers = kernel.listGBeans(new AbstractNameQuery(PluginRepositoryList.class.getName()));
113 if(installers.size() == 0) {
114 throw new ServletException ("Unable to install sample application; no plugin repository list found");
115 }
116 PluginRepositoryList repos = ((PluginRepositoryList) kernel.getProxyManager().createProxy((AbstractName) installers.iterator().next(),
117 PluginRepositoryList.class));
118
119 URL [] urls = repos.getRepositories();
120 if(urls.length == 0) {
121 repos.refresh();
122 urls = repos.getRepositories();
123 if(urls.length == 0) {
124 throw new ServletException ("Unable to install sample application; unable to download repository list");
125 }
126 }
127 return urls[0];
128 }
129 }
130 |
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