| /* |
| * Copyright 2000-2013 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.roots.impl; |
| |
| import com.intellij.openapi.diagnostic.Logger; |
| import com.intellij.openapi.module.Module; |
| import com.intellij.openapi.roots.DependencyScope; |
| import com.intellij.openapi.roots.LibraryOrSdkOrderEntry; |
| import com.intellij.openapi.roots.OrderRootType; |
| import com.intellij.openapi.roots.RootProvider; |
| import com.intellij.openapi.vfs.VirtualFile; |
| import com.intellij.util.ArrayUtil; |
| import org.jetbrains.annotations.NotNull; |
| import org.jetbrains.annotations.Nullable; |
| |
| /** |
| * @author dsl |
| */ |
| abstract class LibraryOrderEntryBaseImpl extends OrderEntryBaseImpl implements LibraryOrSdkOrderEntry { |
| private static final Logger LOG = Logger.getInstance("#com.intellij.openapi.roots.impl.LibraryOrderEntryBaseImpl"); |
| protected final ProjectRootManagerImpl myProjectRootManagerImpl; |
| @NotNull protected DependencyScope myScope = DependencyScope.COMPILE; |
| @Nullable private RootProvider myCurrentlySubscribedRootProvider = null; |
| |
| LibraryOrderEntryBaseImpl(@NotNull RootModelImpl rootModel, @NotNull ProjectRootManagerImpl instanceImpl) { |
| super(rootModel); |
| myProjectRootManagerImpl = instanceImpl; |
| } |
| |
| protected final void init() { |
| updateFromRootProviderAndSubscribe(); |
| } |
| |
| @Override |
| @NotNull |
| public VirtualFile[] getFiles(@NotNull OrderRootType type) { |
| return getRootFiles(type); |
| } |
| |
| @Override |
| @NotNull |
| public String[] getUrls(@NotNull OrderRootType type) { |
| LOG.assertTrue(!getRootModel().getModule().isDisposed()); |
| return getRootUrls(type); |
| } |
| |
| @Override |
| public VirtualFile[] getRootFiles(@NotNull OrderRootType type) { |
| RootProvider rootProvider = getRootProvider(); |
| return rootProvider != null ? rootProvider.getFiles(type) : VirtualFile.EMPTY_ARRAY; |
| } |
| |
| @Nullable |
| protected abstract RootProvider getRootProvider(); |
| |
| @Override |
| @NotNull |
| public String[] getRootUrls(@NotNull OrderRootType type) { |
| RootProvider rootProvider = getRootProvider(); |
| return rootProvider == null ? ArrayUtil.EMPTY_STRING_ARRAY : rootProvider.getUrls(type); |
| } |
| |
| @Override |
| @NotNull |
| public final Module getOwnerModule() { |
| return getRootModel().getModule(); |
| } |
| |
| protected void updateFromRootProviderAndSubscribe() { |
| getRootModel().makeExternalChange(new Runnable() { |
| @Override |
| public void run() { |
| resubscribe(getRootProvider()); |
| } |
| }); |
| } |
| |
| private void resubscribe(RootProvider wrapper) { |
| unsubscribe(); |
| subscribe(wrapper); |
| } |
| |
| private void subscribe(@Nullable RootProvider wrapper) { |
| if (wrapper != null) { |
| myProjectRootManagerImpl.subscribeToRootProvider(this, wrapper); |
| } |
| myCurrentlySubscribedRootProvider = wrapper; |
| } |
| |
| |
| private void unsubscribe() { |
| if (myCurrentlySubscribedRootProvider != null) { |
| myProjectRootManagerImpl.unsubscribeFromRootProvider(this, myCurrentlySubscribedRootProvider); |
| } |
| myCurrentlySubscribedRootProvider = null; |
| } |
| |
| @Override |
| public void dispose() { |
| unsubscribe(); |
| super.dispose(); |
| } |
| } |