From af7b7b8e4d0c6d90e2e74d5919eb7c8f11c8c4fa Mon Sep 17 00:00:00 2001
From: Sebastian Sdorra <sebastian.sdorra@cloudogu.com>
Date: Tue, 28 Sep 2010 19:19:11 +0200
Subject: [PATCH] added new plugin api

---
 .../java/sonia/scm/BasicContextProvider.java  | 24 ++++++++++++++
 .../src/main/java/sonia/scm/SCMPlugin.java    | 32 +++++++++++++++++++
 .../repository/BasicRepositoryManager.java    | 28 ++++++++++++++++
 .../scm/repository/RepositoryManager.java     | 10 ++++++
 4 files changed, 94 insertions(+)
 create mode 100644 scm-core/src/main/java/sonia/scm/SCMPlugin.java

diff --git a/scm-core/src/main/java/sonia/scm/BasicContextProvider.java b/scm-core/src/main/java/sonia/scm/BasicContextProvider.java
index 519989d304..44456a50df 100644
--- a/scm-core/src/main/java/sonia/scm/BasicContextProvider.java
+++ b/scm-core/src/main/java/sonia/scm/BasicContextProvider.java
@@ -25,6 +25,7 @@ import java.io.IOException;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
+import java.util.Set;
 
 /**
  *
@@ -64,6 +65,11 @@ public class BasicContextProvider implements SCMContextProvider
   @Override
   public void close() throws IOException
   {
+    for (SCMPlugin plugin : plugins)
+    {
+      plugin.contextDestroyed(this);
+    }
+
     for (GroupManager manager : groupManagerMap.values())
     {
       manager.close();
@@ -82,6 +88,7 @@ public class BasicContextProvider implements SCMContextProvider
     loadGroupManagers();
     loadRepositoryManager();
     loadEncryptionHandler();
+    loadPlugins();
   }
 
   //~--- get methods ----------------------------------------------------------
@@ -202,6 +209,20 @@ public class BasicContextProvider implements SCMContextProvider
     }
   }
 
+  /**
+   * Method description
+   *
+   */
+  private void loadPlugins()
+  {
+    plugins = ServiceUtil.getServices(SCMPlugin.class);
+
+    for (SCMPlugin plugin : plugins)
+    {
+      plugin.contextInitialized(this);
+    }
+  }
+
   /**
    * Method description
    *
@@ -229,6 +250,9 @@ public class BasicContextProvider implements SCMContextProvider
   /** Field description */
   private Map<String, GroupManager> groupManagerMap;
 
+  /** Field description */
+  private List<SCMPlugin> plugins;
+
   /** Field description */
   private RepositoryManager repositoryManager;
 }
diff --git a/scm-core/src/main/java/sonia/scm/SCMPlugin.java b/scm-core/src/main/java/sonia/scm/SCMPlugin.java
new file mode 100644
index 0000000000..112ebd9b00
--- /dev/null
+++ b/scm-core/src/main/java/sonia/scm/SCMPlugin.java
@@ -0,0 +1,32 @@
+/*
+ * To change this template, choose Tools | Templates
+ * and open the template in the editor.
+ */
+
+
+
+package sonia.scm;
+
+/**
+ *
+ * @author Sebastian Sdorra
+ */
+public interface SCMPlugin
+{
+
+  /**
+   * Method description
+   *
+   *
+   * @param context
+   */
+  public void contextDestroyed(SCMContextProvider context);
+
+  /**
+   * Method description
+   *
+   *
+   * @param context
+   */
+  public void contextInitialized(SCMContextProvider context);
+}
diff --git a/scm-core/src/main/java/sonia/scm/repository/BasicRepositoryManager.java b/scm-core/src/main/java/sonia/scm/repository/BasicRepositoryManager.java
index 94e4e4dd10..5a1a637395 100644
--- a/scm-core/src/main/java/sonia/scm/repository/BasicRepositoryManager.java
+++ b/scm-core/src/main/java/sonia/scm/repository/BasicRepositoryManager.java
@@ -9,7 +9,10 @@ package sonia.scm.repository;
 
 //~--- non-JDK imports --------------------------------------------------------
 
+import sonia.scm.ConfigurationException;
+import sonia.scm.SCMContext;
 import sonia.scm.SCMContextProvider;
+import sonia.scm.util.AssertUtil;
 import sonia.scm.util.ServiceUtil;
 import sonia.scm.util.Util;
 
@@ -44,6 +47,31 @@ public class BasicRepositoryManager extends AbstractRepositoryManager
 
   //~--- methods --------------------------------------------------------------
 
+  /**
+   * Method description
+   *
+   *
+   * @param handler
+   */
+  @Override
+  public void addHandler(RepositoryHandler handler)
+  {
+    AssertUtil.assertIsNotNull(handler);
+
+    RepositoryType type = handler.getType();
+
+    AssertUtil.assertIsNotNull(type);
+
+    if (handlerMap.containsKey(type.getName()))
+    {
+      throw new ConfigurationException(
+          type.getName().concat("allready registered"));
+    }
+
+    handlerMap.put(type.getName(), handler);
+    handler.init(SCMContext.getContext());
+  }
+
   /**
    * Method description
    *
diff --git a/scm-core/src/main/java/sonia/scm/repository/RepositoryManager.java b/scm-core/src/main/java/sonia/scm/repository/RepositoryManager.java
index 0ebb80eeba..efeeba3b46 100644
--- a/scm-core/src/main/java/sonia/scm/repository/RepositoryManager.java
+++ b/scm-core/src/main/java/sonia/scm/repository/RepositoryManager.java
@@ -25,6 +25,16 @@ public interface RepositoryManager
                 ListenerSupport<RepositoryListener>
 {
 
+  /**
+   * Method description
+   *
+   *
+   * @param handler
+   */
+  public void addHandler(RepositoryHandler handler);
+
+  //~--- get methods ----------------------------------------------------------
+
   /**
    * Method description
    *