implement plugin update method

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

@@ -199,7 +199,7 @@ public class AetherPluginHandler
     }
     catch (Exception ex)
     {
-      throw new PluginLoadException(ex);
+      throw new PluginException(ex);
     }
   }
 
@@ -245,7 +245,7 @@ public class AetherPluginHandler
         }
         catch (JAXBException ex)
         {
-          throw new PluginLoadException(ex);
+          throw new PluginException(ex);
         }
       }
     }

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

@@ -177,7 +177,7 @@ public class DefaultPluginManager implements PluginManager
 
     if (plugin == null)
     {
-      throw new PluginLoadException(id.concat(" is not install"));
+      throw new PluginNotInstalledException(id.concat(" is not install"));
     }
 
     if (pluginHandler == null)
@@ -199,7 +199,38 @@ public class DefaultPluginManager implements PluginManager
   {
     SecurityUtil.assertIsAdmin(securityContextProvicer);
 
-    throw new UnsupportedOperationException("Not supported yet.");
+    String[] idParts = id.split(":");
+    String groupId = idParts[0];
+    String artefactId = idParts[1];
+    PluginInformation installed = null;
+
+    for (PluginInformation info : getInstalled())
+    {
+      if (groupId.equals(info.getGroupId())
+          && artefactId.equals(info.getArtifactId()))
+      {
+        installed = info;
+
+        break;
+      }
+    }
+
+    if (installed == null)
+    {
+      StringBuilder msg = new StringBuilder(groupId);
+
+      msg.append(":").append(groupId).append(" is not install");
+
+      throw new PluginNotInstalledException(msg.toString());
+    }
+
+    if (pluginHandler == null)
+    {
+      getPluginCenter();
+    }
+
+    pluginHandler.uninstall(installed.getId());
+    pluginHandler.install(id);
   }
 
   //~--- get methods ----------------------------------------------------------
@@ -370,12 +401,14 @@ public class DefaultPluginManager implements PluginManager
       {
         if (installed.getVersion().equals(available.getVersion()))
         {
-          available.setState(PluginState.INSTALLED);
+          state = PluginState.INSTALLED;
         }
         else
         {
-          available.setState(PluginState.UPDATE_AVAILABLE);
+          state = PluginState.UPDATE_AVAILABLE;
         }
+
+        break;
       }
     }
 

scm-webapp/src/main/webapp/resources/js/sonia.plugin.js

@@ -135,8 +135,39 @@ Sonia.plugin.uninstallPlugin = function(pluginId){
 
 Sonia.plugin.updatePlugin = function(pluginId){
   if ( debug ){
-    console.debug('not implemented');
+    console.debug( 'update plugin to ' + pluginId );
   }
+
+  var loadingBox = Ext.MessageBox.show({
+      title: 'Please wait',
+      msg: 'Update Plugin.',
+      width: 300,
+      wait: true,
+      animate: true,
+      progress: true,
+      closable: false
+  });
+
+  Ext.Ajax.request({
+    url: restUrl + 'plugins/update/' + pluginId + '.json',
+    method: 'POST',
+    scope: this,
+    success: function(){
+      if ( debug ){
+        console.debug('plugin successfully updated');
+      }
+      loadingBox.hide();
+      Ext.MessageBox.alert('Plugin successfully updated',
+        'Restart the applicationserver to activate the changes.');
+    },
+    failure: function(){
+      if ( debug ){
+        console.debug('plugin updated failed');
+      }
+      alert( 'failure' );
+      loadingBox.hide();
+    }
+  });
 }
 
 // plugin grid