added api to install plugin packages

scm-webapp/src/main/java/sonia/scm/plugin/DefaultPluginManager.java

@@ -35,6 +35,8 @@ package sonia.scm.plugin;
 
 //~--- non-JDK imports --------------------------------------------------------
 
+import com.google.common.collect.Sets;
+import com.google.common.io.Files;
 import com.google.inject.Inject;
 import com.google.inject.Provider;
 import com.google.inject.Singleton;
@@ -49,6 +51,7 @@ import sonia.scm.SCMContextProvider;
 import sonia.scm.cache.Cache;
 import sonia.scm.cache.CacheManager;
 import sonia.scm.config.ScmConfiguration;
+import sonia.scm.io.ZipUnArchiver;
 import sonia.scm.net.HttpClient;
 import sonia.scm.security.SecurityContext;
 import sonia.scm.util.AssertUtil;
@@ -59,6 +62,8 @@ import sonia.scm.util.Util;
 
 //~--- JDK imports ------------------------------------------------------------
 
+import java.io.File;
+import java.io.IOException;
 import java.io.InputStream;
 import java.io.UnsupportedEncodingException;
 
@@ -72,6 +77,7 @@ import java.util.LinkedHashSet;
 import java.util.Map;
 import java.util.Set;
 
+import javax.xml.bind.JAXB;
 import javax.xml.bind.JAXBContext;
 import javax.xml.bind.JAXBException;
 import javax.xml.bind.Unmarshaller;
@@ -82,7 +88,7 @@ import javax.xml.bind.Unmarshaller;
  */
 @Singleton
 public class DefaultPluginManager
-        implements PluginManager, ConfigChangedListener<ScmConfiguration>
+  implements PluginManager, ConfigChangedListener<ScmConfiguration>
 {
 
   /** Field description */
@@ -116,17 +122,16 @@ public class DefaultPluginManager
    * @param clientProvider
    */
   @Inject
-  public DefaultPluginManager(
-          SCMContextProvider context,
-          Provider<SecurityContext> securityContextProvicer,
-          ScmConfiguration configuration, PluginLoader pluginLoader,
-          CacheManager cacheManager, Provider<HttpClient> clientProvider)
+  public DefaultPluginManager(SCMContextProvider context,
+    Provider<SecurityContext> securityContextProvicer,
+    ScmConfiguration configuration, PluginLoader pluginLoader,
+    CacheManager cacheManager, Provider<HttpClient> clientProvider)
   {
     this.context = context;
     this.securityContextProvicer = securityContextProvicer;
     this.configuration = configuration;
     this.cache = cacheManager.getCache(String.class, PluginCenter.class,
-                                       CACHE_NAME);
+      CACHE_NAME);
     this.clientProvider = clientProvider;
     installedPlugins = new HashMap<String, Plugin>();
 
@@ -214,6 +219,50 @@ public class DefaultPluginManager
     }
   }
 
+  /**
+   * Method description
+   *
+   *
+   * @param packageStream
+   *
+   * @throws IOException
+   */
+  @Override
+  public void installPackage(InputStream packageStream) throws IOException
+  {
+    SecurityUtil.assertIsAdmin(securityContextProvicer);
+
+    File tempDirectory = Files.createTempDir();
+
+    try
+    {
+      new ZipUnArchiver().extractArchive(packageStream, tempDirectory);
+
+      Plugin plugin = JAXB.unmarshal(new File(tempDirectory, "plugin.xml"),
+                        Plugin.class);
+      
+      // TODO check conditions
+      
+
+      AetherPluginHandler aph = new AetherPluginHandler(this, context,
+                                  configuration);
+      Collection<PluginRepository> repositories =
+        Sets.newHashSet(new PluginRepository("package-repository",
+          "file://".concat(tempDirectory.getAbsolutePath())));
+
+      aph.setPluginRepositories(repositories);
+
+      aph.install(plugin.getInformation().getId());
+      plugin.getInformation().setState(PluginState.INSTALLED);
+      installedPlugins.put(plugin.getInformation().getId(), plugin);
+
+    }
+    finally
+    {
+      IOUtil.delete(tempDirectory);
+    }
+  }
+
   /**
    * Method description
    *
@@ -277,7 +326,7 @@ public class DefaultPluginManager
     for (PluginInformation info : getInstalled())
     {
       if (groupId.equals(info.getGroupId())
-          && artefactId.equals(info.getArtifactId()))
+        && artefactId.equals(info.getArtifactId()))
       {
         installed = info;
 
@@ -453,7 +502,7 @@ public class DefaultPluginManager
     }
 
     return url.replace("{version}", context.getVersion()).replace("{os}",
-                       os).replace("{arch}", arch);
+      os).replace("{arch}", arch);
   }
 
   /**
@@ -465,7 +514,7 @@ public class DefaultPluginManager
    * @param filter
    */
   private void filter(Set<PluginInformation> target,
-                      Collection<PluginInformation> source, PluginFilter filter)
+    Collection<PluginInformation> source, PluginFilter filter)
   {
     for (PluginInformation info : source)
     {
@@ -588,7 +637,7 @@ public class DefaultPluginManager
             if (pluginHandler == null)
             {
               pluginHandler = new AetherPluginHandler(this,
-                      SCMContext.getContext(), configuration);
+                SCMContext.getContext(), configuration);
             }
 
             pluginHandler.setPluginRepositories(center.getRepositories());
@@ -643,7 +692,7 @@ public class DefaultPluginManager
       PluginInformation installed = installedPlugin.getInformation();
 
       if (isSamePlugin(available, installed)
-          && (installed.getState() == PluginState.CORE))
+        && (installed.getState() == PluginState.CORE))
       {
         core = true;
 
@@ -664,7 +713,7 @@ public class DefaultPluginManager
    * @return
    */
   private boolean isNewer(PluginInformation available,
-                          PluginInformation installed)
+    PluginInformation installed)
   {
     boolean result = false;
     PluginVersion version = PluginVersion.createVersion(available.getVersion());
@@ -689,7 +738,7 @@ public class DefaultPluginManager
   private boolean isSamePlugin(PluginInformation p1, PluginInformation p2)
   {
     return p1.getGroupId().equals(p2.getGroupId())
-           && p1.getArtifactId().equals(p2.getArtifactId());
+      && p1.getArtifactId().equals(p2.getArtifactId());
   }
 
   //~--- fields ---------------------------------------------------------------