From a2cfa28622c764f819a23d082640915f3fccd17e Mon Sep 17 00:00:00 2001
From: Dmitry Avdeev <Dmitry.Avdeev@jetbrains.com>
Date: Mon, 26 Sep 2011 15:30:04 +0400
Subject: [PATCH] CheckinHandlersManager converted to service

---
 .../src/META-INF/VcsExtensionPoints.xml       |  3 +-
 .../src/META-INF/VcsExtensions.xml            |  3 ++
 .../src/componentSets/VCS.xml                 |  6 ---
 .../vcs/impl/CheckinHandlersManager.java      |  3 +-
 .../com/intellij/openapi/vcs/impl/Dummy.java  | 47 -------------------
 .../changes/ui/CommitChangeListDialog.java    |  3 +-
 .../vcs/impl/CheckinHandlersManagerImpl.java  | 34 ++++----------
 7 files changed, 18 insertions(+), 81 deletions(-)
 delete mode 100644 platform/vcs-api/src/com/intellij/openapi/vcs/impl/Dummy.java

diff --git a/platform/platform-resources/src/META-INF/VcsExtensionPoints.xml b/platform/platform-resources/src/META-INF/VcsExtensionPoints.xml
index f89219a978e6..ce3564a6e77a 100644
--- a/platform/platform-resources/src/META-INF/VcsExtensionPoints.xml
+++ b/platform/platform-resources/src/META-INF/VcsExtensionPoints.xml
@@ -15,8 +15,7 @@
                   area="IDEA_PROJECT"/>
 
   <extensionPoint name="vcsCheckinHandlerFactory"
-                  interface="com.intellij.openapi.vcs.checkin.VcsCheckinHandlerFactory"
-                  area="IDEA_PROJECT"/>
+                  interface="com.intellij.openapi.vcs.checkin.VcsCheckinHandlerFactory"/>
 
   <extensionPoint name="changesViewContent"
                   beanClass="com.intellij.openapi.vcs.changes.ui.ChangesViewContentEP"
diff --git a/platform/platform-resources/src/META-INF/VcsExtensions.xml b/platform/platform-resources/src/META-INF/VcsExtensions.xml
index 863028697c79..36e5942f1898 100644
--- a/platform/platform-resources/src/META-INF/VcsExtensions.xml
+++ b/platform/platform-resources/src/META-INF/VcsExtensions.xml
@@ -30,4 +30,7 @@
   <fileTypeFactory implementation="com.intellij.openapi.vcs.impl.VcsFileTypeFactory"/>
   <virtualFileSystem key="vcs" implementationClass="com.intellij.openapi.vcs.vfs.VcsFileSystem"/>
   <fileDocumentSynchronizationVetoer implementation="com.intellij.openapi.vcs.changes.SaveCommittingDocumentsVetoer"/>
+
+  <projectService serviceInterface="com.intellij.openapi.vcs.impl.CheckinHandlersManager"
+                  serviceImplementation="com.intellij.openapi.vcs.impl.CheckinHandlersManagerImpl"/>
 </extensions>
diff --git a/platform/platform-resources/src/componentSets/VCS.xml b/platform/platform-resources/src/componentSets/VCS.xml
index 429bcee9a433..73936db330fd 100644
--- a/platform/platform-resources/src/componentSets/VCS.xml
+++ b/platform/platform-resources/src/componentSets/VCS.xml
@@ -22,12 +22,6 @@
       <implementation-class>com.intellij.openapi.vcs.changes.VcsChangeDetailsManager</implementation-class>
       <option name="workspace" value="true"/>
     </component>
-    <component>
-      <interface-class>com.intellij.openapi.vcs.impl.CheckinHandlersManager</interface-class>
-      <implementation-class>com.intellij.openapi.vcs.impl.CheckinHandlersManagerImpl</implementation-class>
-      <headless-implementation-class>com.intellij.openapi.vcs.impl.Dummy</headless-implementation-class>
-      <skipForDefaultProject/>
-    </component>
     <component>
       <implementation-class>com.intellij.openapi.vcs.impl.VcsDirectoryMappingStorage</implementation-class>
       <skipForDefaultProject/>
diff --git a/platform/vcs-api/src/com/intellij/openapi/vcs/impl/CheckinHandlersManager.java b/platform/vcs-api/src/com/intellij/openapi/vcs/impl/CheckinHandlersManager.java
index 1f384e69fa2b..425707f392fa 100644
--- a/platform/vcs-api/src/com/intellij/openapi/vcs/impl/CheckinHandlersManager.java
+++ b/platform/vcs-api/src/com/intellij/openapi/vcs/impl/CheckinHandlersManager.java
@@ -38,8 +38,9 @@ public abstract class CheckinHandlersManager {
    * VCS checkin operations.
    *
    * @return the list of registered factories.
+   * @param allActiveVcss
    */
-  public abstract List<BaseCheckinHandlerFactory> getRegisteredCheckinHandlerFactories();
+  public abstract List<BaseCheckinHandlerFactory> getRegisteredCheckinHandlerFactories(AbstractVcs[] allActiveVcss);
 
   public abstract List<VcsCheckinHandlerFactory> getMatchingVcsFactories(@NotNull final List<AbstractVcs> keys);
   /**
diff --git a/platform/vcs-api/src/com/intellij/openapi/vcs/impl/Dummy.java b/platform/vcs-api/src/com/intellij/openapi/vcs/impl/Dummy.java
deleted file mode 100644
index 5fda349ff298..000000000000
--- a/platform/vcs-api/src/com/intellij/openapi/vcs/impl/Dummy.java
+++ /dev/null
@@ -1,47 +0,0 @@
-/*
- * Copyright 2000-2011 JetBrains s.r.o.
- *
- * 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 com.intellij.openapi.vcs.impl;
-
-import com.intellij.openapi.vcs.AbstractVcs;
-import com.intellij.openapi.vcs.checkin.BaseCheckinHandlerFactory;
-import com.intellij.openapi.vcs.checkin.VcsCheckinHandlerFactory;
-import org.jetbrains.annotations.NotNull;
-
-import java.util.Collections;
-import java.util.List;
-
-/**
-* User: cdr
-*/
-public class Dummy extends CheckinHandlersManager {
-  @Override
-  public List<BaseCheckinHandlerFactory> getRegisteredCheckinHandlerFactories() {
-    return Collections.emptyList();
-  }
-
-  @Override
-  public List<VcsCheckinHandlerFactory> getMatchingVcsFactories(@NotNull List<AbstractVcs> keys) {
-    return Collections.emptyList();
-  }
-
-  @Override
-  public void registerCheckinHandlerFactory(BaseCheckinHandlerFactory factory) {
-  }
-
-  @Override
-  public void unregisterCheckinHandlerFactory(BaseCheckinHandlerFactory handler) {
-  }
-}
diff --git a/platform/vcs-impl/src/com/intellij/openapi/vcs/changes/ui/CommitChangeListDialog.java b/platform/vcs-impl/src/com/intellij/openapi/vcs/changes/ui/CommitChangeListDialog.java
index a7a20483810f..c78a7cbfb11d 100644
--- a/platform/vcs-impl/src/com/intellij/openapi/vcs/changes/ui/CommitChangeListDialog.java
+++ b/platform/vcs-impl/src/com/intellij/openapi/vcs/changes/ui/CommitChangeListDialog.java
@@ -367,7 +367,8 @@ public class CommitChangeListDialog extends DialogWrapper implements CheckinProj
     boolean afterVisible = false;
     Box beforeBox = Box.createVerticalBox();
     Box afterBox = Box.createVerticalBox();
-    final List<BaseCheckinHandlerFactory> handlerFactories = CheckinHandlersManager.getInstance(myProject).getRegisteredCheckinHandlerFactories();
+    final List<BaseCheckinHandlerFactory> handlerFactories = CheckinHandlersManager.getInstance(myProject).getRegisteredCheckinHandlerFactories(
+      ProjectLevelVcsManager.getInstance(project).getAllActiveVcss());
     for (BaseCheckinHandlerFactory factory : handlerFactories) {
       final CheckinHandler handler = factory.createHandler(this, myCommitContext);
       if (CheckinHandler.DUMMY.equals(handler)) continue;
diff --git a/platform/vcs-impl/src/com/intellij/openapi/vcs/impl/CheckinHandlersManagerImpl.java b/platform/vcs-impl/src/com/intellij/openapi/vcs/impl/CheckinHandlersManagerImpl.java
index 053af4e2f089..ec8702ca0e54 100644
--- a/platform/vcs-impl/src/com/intellij/openapi/vcs/impl/CheckinHandlersManagerImpl.java
+++ b/platform/vcs-impl/src/com/intellij/openapi/vcs/impl/CheckinHandlersManagerImpl.java
@@ -16,11 +16,7 @@
 package com.intellij.openapi.vcs.impl;
 
 import com.intellij.openapi.extensions.Extensions;
-import com.intellij.openapi.project.DumbAwareRunnable;
-import com.intellij.openapi.project.Project;
-import com.intellij.openapi.startup.StartupManager;
 import com.intellij.openapi.vcs.AbstractVcs;
-import com.intellij.openapi.vcs.ProjectLevelVcsManager;
 import com.intellij.openapi.vcs.VcsKey;
 import com.intellij.openapi.vcs.checkin.BaseCheckinHandlerFactory;
 import com.intellij.openapi.vcs.checkin.CheckinHandlerFactory;
@@ -42,37 +38,27 @@ import java.util.List;
 public class CheckinHandlersManagerImpl extends CheckinHandlersManager {
   private final List<BaseCheckinHandlerFactory> myRegisteredBeforeCheckinHandlers;
   private final MultiMap<VcsKey, VcsCheckinHandlerFactory> myVcsMap;
-  private final Project myProject;
-  private final ProjectLevelVcsManager myVcsManager;
 
-  public CheckinHandlersManagerImpl(final Project project, final ProjectLevelVcsManager vcsManager) {
-    myProject = project;
-    myVcsManager = vcsManager;
+  public CheckinHandlersManagerImpl() {
     myVcsMap = new MultiMap<VcsKey, VcsCheckinHandlerFactory>();
     myRegisteredBeforeCheckinHandlers = new ArrayList<BaseCheckinHandlerFactory>();
 
-    StartupManager.getInstance(myProject).runWhenProjectIsInitialized(new DumbAwareRunnable() {
-      @Override
-      public void run() {
-        myRegisteredBeforeCheckinHandlers
-          .addAll(Arrays.asList(Extensions.<CheckinHandlerFactory>getExtensions(CheckinHandlerFactory.EP_NAME)));
-        final VcsCheckinHandlerFactory[] vcsCheckinHandlerFactories = Extensions.getExtensions(VcsCheckinHandlerFactory.EP_NAME, myProject);
-        for (VcsCheckinHandlerFactory factory : vcsCheckinHandlerFactories) {
-          myVcsMap.putValue(factory.getKey(), factory);
-        }
-      }
-    });
+    myRegisteredBeforeCheckinHandlers
+      .addAll(Arrays.asList(Extensions.<CheckinHandlerFactory>getExtensions(CheckinHandlerFactory.EP_NAME)));
+    final VcsCheckinHandlerFactory[] vcsCheckinHandlerFactories = Extensions.getExtensions(VcsCheckinHandlerFactory.EP_NAME);
+    for (VcsCheckinHandlerFactory factory : vcsCheckinHandlerFactories) {
+      myVcsMap.putValue(factory.getKey(), factory);
+    }
   }
 
   @Override
-  public List<BaseCheckinHandlerFactory> getRegisteredCheckinHandlerFactories() {
-    final AbstractVcs[] allActiveVcss = myVcsManager.getAllActiveVcss();
+  public List<BaseCheckinHandlerFactory> getRegisteredCheckinHandlerFactories(AbstractVcs[] allActiveVcss) {
     final ArrayList<BaseCheckinHandlerFactory> list =
       new ArrayList<BaseCheckinHandlerFactory>(myRegisteredBeforeCheckinHandlers.size() + allActiveVcss.length);
     list.addAll(myRegisteredBeforeCheckinHandlers);
     for (AbstractVcs vcs : allActiveVcss) {
       final Collection<VcsCheckinHandlerFactory> factories = myVcsMap.get(vcs.getKeyInstanceMethod());
-      if (factories != null && ! factories.isEmpty()) {
+      if (! factories.isEmpty()) {
         list.addAll(factories);
       }
     }
@@ -84,7 +70,7 @@ public class CheckinHandlersManagerImpl extends CheckinHandlersManager {
     final SmartList<VcsCheckinHandlerFactory> result = new SmartList<VcsCheckinHandlerFactory>();
     for (AbstractVcs vcs : vcsList) {
       final Collection<VcsCheckinHandlerFactory> factories = myVcsMap.get(vcs.getKeyInstanceMethod());
-      if (factories != null && ! factories.isEmpty()) {
+      if (! factories.isEmpty()) {
         result.addAll(factories);
       }
     }