| /* |
| * Copyright 2000-2009 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.projectlevelman; |
| |
| import com.intellij.lifecycle.PeriodicalTasksCloser; |
| import com.intellij.openapi.Disposable; |
| import com.intellij.openapi.diagnostic.Logger; |
| import com.intellij.openapi.extensions.Extensions; |
| import com.intellij.openapi.project.Project; |
| import com.intellij.openapi.vcs.AbstractVcs; |
| import com.intellij.openapi.vcs.VcsException; |
| import com.intellij.openapi.vcs.impl.VcsDescriptor; |
| import com.intellij.openapi.vcs.impl.VcsEP; |
| import org.jetbrains.annotations.NotNull; |
| import org.jetbrains.annotations.Nullable; |
| |
| import java.util.*; |
| |
| public class AllVcses implements AllVcsesI, Disposable { |
| private final Logger LOG = Logger.getInstance("#com.intellij.openapi.vcs.impl.projectlevelman.AllVcses"); |
| private final Map<String, AbstractVcs> myVcses; |
| |
| private final Object myLock; |
| private final Project myProject; |
| private final Map<String, VcsEP> myExtensions; // +- |
| |
| private AllVcses(final Project project) { |
| myProject = project; |
| myVcses = new HashMap<String, AbstractVcs>(); |
| myLock = new Object(); |
| |
| final VcsEP[] vcsEPs = Extensions.getExtensions(VcsEP.EP_NAME, myProject); |
| final HashMap<String, VcsEP> map = new HashMap<String, VcsEP>(); |
| for (VcsEP vcsEP : vcsEPs) { |
| map.put(vcsEP.name, vcsEP); |
| } |
| myExtensions = Collections.unmodifiableMap(map); |
| } |
| |
| public static AllVcsesI getInstance(final Project project) { |
| return PeriodicalTasksCloser.getInstance().safeGetService(project, AllVcsesI.class); |
| } |
| |
| private void addVcs(final AbstractVcs vcs) { |
| registerVcs(vcs); |
| myVcses.put(vcs.getName(), vcs); |
| } |
| |
| private void registerVcs(final AbstractVcs vcs) { |
| try { |
| vcs.loadSettings(); |
| vcs.doStart(); |
| } |
| catch (VcsException e) { |
| LOG.debug(e); |
| } |
| vcs.getProvidedStatuses(); |
| } |
| |
| public void registerManually(@NotNull final AbstractVcs vcs) { |
| synchronized (myLock) { |
| if (myVcses.containsKey(vcs.getName())) return; |
| addVcs(vcs); |
| } |
| } |
| |
| public void unregisterManually(@NotNull final AbstractVcs vcs) { |
| synchronized (myLock) { |
| if (! myVcses.containsKey(vcs.getName())) return; |
| unregisterVcs(vcs); |
| myVcses.remove(vcs.getName()); |
| } |
| } |
| |
| public AbstractVcs getByName(final String name) { |
| synchronized (myLock) { |
| final AbstractVcs vcs = myVcses.get(name); |
| if (vcs != null) { |
| return vcs; |
| } |
| } |
| |
| // unmodifiable map => no sync needed |
| final VcsEP ep = myExtensions.get(name); |
| if (ep == null) { |
| return null; |
| } |
| |
| // VcsEP guarantees to always return the same vcs value |
| final AbstractVcs vcs1 = ep.getVcs(myProject); |
| LOG.assertTrue(vcs1 != null, name); |
| |
| synchronized (myLock) { |
| if (!myVcses.containsKey(name)) { |
| addVcs(vcs1); |
| } |
| return vcs1; |
| } |
| } |
| |
| @Nullable |
| @Override |
| public VcsDescriptor getDescriptor(String name) { |
| final VcsEP ep = myExtensions.get(name); |
| return ep == null ? null : ep.createDescriptor(); |
| } |
| |
| public void dispose() { |
| synchronized (myLock) { |
| for (AbstractVcs vcs : myVcses.values()) { |
| unregisterVcs(vcs); |
| } |
| } |
| } |
| |
| private void unregisterVcs(AbstractVcs vcs) { |
| try { |
| vcs.doShutdown(); |
| } |
| catch (VcsException e) { |
| LOG.info(e); |
| } |
| } |
| |
| public boolean isEmpty() { |
| return myExtensions.isEmpty(); |
| } |
| |
| public VcsDescriptor[] getAll() { |
| final List<VcsDescriptor> result = new ArrayList<VcsDescriptor>(myExtensions.size()); |
| for (VcsEP vcsEP : myExtensions.values()) { |
| result.add(vcsEP.createDescriptor()); |
| } |
| Collections.sort(result); |
| return result.toArray(new VcsDescriptor[result.size()]); |
| } |
| } |