pull out doSave() method from ComponentManagerImpl

platform/platform-impl/src/com/intellij/openapi/application/impl/ApplicationImpl.java

@@ -1214,7 +1214,7 @@ public class ApplicationImpl extends ComponentManagerImpl implements Application
   public void _saveSettings() { // public for testing purposes
     if (mySaveSettingsIsInProgress.compareAndSet(false, true)) {
       try {
-        doSave();
+        StoreUtil.doSave(getStateStore());
       }
       catch (final Throwable ex) {
         if (isUnitTestMode()) {

platform/platform-impl/src/com/intellij/openapi/components/impl/ComponentManagerImpl.java

@@ -708,20 +708,7 @@ public abstract class ComponentManagerImpl extends UserDataHolderBase implements
     }
   }
 
-  protected void doSave() throws IOException {
-    IComponentStore.SaveSession session = null;
-    try {
-      session = getStateStore().startSave();
-      session.save();
-    }
-    finally {
-      if (session != null) {
-        session.finishSave();
-      }
-    }
-  }
-
-  public final int hashCode() {
+    public final int hashCode() {
     return super.hashCode();
   }
 

platform/platform-impl/src/com/intellij/openapi/components/impl/stores/StoreUtil.java

@@ -0,0 +1,39 @@
+/*
+ * 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.components.impl.stores;
+
+import java.io.IOException;
+
+/**
+ * @author yole
+ */
+public class StoreUtil {
+  private StoreUtil() {
+  }
+
+  public static void doSave(IComponentStore stateStore) throws IOException {
+    IComponentStore.SaveSession session = null;
+    try {
+      session = stateStore.startSave();
+      session.save();
+    }
+    finally {
+      if (session != null) {
+        session.finishSave();
+      }
+    }
+  }
+}

platform/platform-impl/src/com/intellij/openapi/project/impl/ProjectImpl.java

@@ -34,6 +34,7 @@ import com.intellij.openapi.components.impl.ComponentManagerImpl;
 import com.intellij.openapi.components.impl.ProjectPathMacroManager;
 import com.intellij.openapi.components.impl.stores.IComponentStore;
 import com.intellij.openapi.components.impl.stores.IProjectStore;
+import com.intellij.openapi.components.impl.stores.StoreUtil;
 import com.intellij.openapi.components.impl.stores.UnknownMacroNotification;
 import com.intellij.openapi.diagnostic.Logger;
 import com.intellij.openapi.extensions.ExtensionPointName;
@@ -304,7 +305,7 @@ public class ProjectImpl extends ComponentManagerImpl implements ProjectEx {
           }
         }
 
-        doSave();
+        StoreUtil.doSave(getStateStore());
       }
       catch (IComponentStore.SaveCancelledException e) {
         LOG.info(e);