| /* |
| * Copyright 2000-2014 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 org.jetbrains.idea.svn; |
| |
| import com.intellij.openapi.util.Pair; |
| import com.intellij.openapi.util.Throwable2Computable; |
| import com.intellij.openapi.vcs.FilePath; |
| import com.intellij.openapi.vcs.VcsException; |
| import com.intellij.openapi.vcs.VcsKey; |
| import com.intellij.openapi.vcs.changes.ContentRevision; |
| import com.intellij.openapi.vcs.changes.MarkerVcsContentRevision; |
| import com.intellij.openapi.vcs.history.VcsRevisionNumber; |
| import com.intellij.openapi.vcs.impl.ContentRevisionCache; |
| import com.intellij.openapi.vcs.impl.CurrentRevisionProvider; |
| import org.jetbrains.annotations.NonNls; |
| import org.jetbrains.annotations.NotNull; |
| import org.jetbrains.annotations.Nullable; |
| import org.jetbrains.idea.svn.status.Status; |
| import org.tmatesoft.svn.core.wc.SVNRevision; |
| import org.tmatesoft.svn.core.wc2.SvnTarget; |
| |
| import java.io.File; |
| import java.io.IOException; |
| |
| /** |
| * @author yole |
| */ |
| public class SvnContentRevision implements ContentRevision, MarkerVcsContentRevision { |
| private final SvnVcs myVcs; |
| protected final FilePath myFile; |
| private final SVNRevision myRevision; |
| /** |
| * this flag is necessary since SVN would not do remote request only if constant SVNRevision.BASE |
| * -> usual current revision content class can't be used |
| */ |
| private final boolean myUseBaseRevision; |
| |
| protected SvnContentRevision(SvnVcs vcs, @NotNull final FilePath file, final SVNRevision revision, final boolean useBaseRevision) { |
| myVcs = vcs; |
| myRevision = revision; |
| myUseBaseRevision = useBaseRevision; |
| myFile = file; |
| } |
| |
| public static SvnContentRevision createBaseRevision(@NotNull SvnVcs vcs, @NotNull final FilePath file, final Status status) { |
| SVNRevision revision = status.getRevision().isValid() ? status.getRevision() : status.getCommittedRevision(); |
| return createBaseRevision(vcs, file, revision); |
| } |
| |
| public static SvnContentRevision createBaseRevision(SvnVcs vcs, FilePath file, SVNRevision revision) { |
| if (file.getFileType().isBinary()) { |
| return new SvnBinaryContentRevision(vcs, file, revision, true); |
| } |
| return new SvnContentRevision(vcs, file, revision, true); |
| } |
| |
| public static SvnContentRevision createRemote(@NotNull SvnVcs vcs, @NotNull final FilePath file, final SVNRevision revision) { |
| if (file.getFileType().isBinary()) { |
| return new SvnBinaryContentRevision(vcs, file, revision, false); |
| } |
| return new SvnContentRevision(vcs, file, revision, false); |
| } |
| |
| @Nullable |
| public String getContent() throws VcsException { |
| try { |
| if (myUseBaseRevision) { |
| return ContentRevisionCache.getOrLoadCurrentAsString(myVcs.getProject(), myFile, myVcs.getKeyInstanceMethod(), |
| new CurrentRevisionProvider() { |
| @Override |
| public VcsRevisionNumber getCurrentRevision() throws VcsException { |
| return getRevisionNumber(); |
| } |
| |
| @Override |
| public Pair<VcsRevisionNumber, byte[]> get() |
| throws VcsException, IOException { |
| return Pair.create(getRevisionNumber(), getUpToDateBinaryContent()); |
| } |
| }).getSecond(); |
| } else { |
| return ContentRevisionCache.getOrLoadAsString(myVcs.getProject(), myFile, getRevisionNumber(), myVcs.getKeyInstanceMethod(), |
| ContentRevisionCache.UniqueType.REPOSITORY_CONTENT, |
| new Throwable2Computable<byte[], VcsException, IOException>() { |
| @Override |
| public byte[] compute() throws VcsException, IOException { |
| return getUpToDateBinaryContent(); |
| } |
| }); |
| } |
| } |
| catch (IOException e) { |
| throw new VcsException(e); |
| } |
| } |
| |
| protected byte[] getUpToDateBinaryContent() throws VcsException { |
| File file = myFile.getIOFile(); |
| File lock = new File(file.getParentFile(), SvnUtil.PATH_TO_LOCK_FILE); |
| if (lock.exists()) { |
| throw new VcsException("Can not access file base revision contents: administrative area is locked"); |
| } |
| return SvnUtil.getFileContents(myVcs, SvnTarget.fromFile(file), myUseBaseRevision ? SVNRevision.BASE : myRevision, |
| SVNRevision.UNDEFINED); |
| } |
| |
| @NotNull |
| public FilePath getFile() { |
| return myFile; |
| } |
| |
| @NotNull |
| public VcsRevisionNumber getRevisionNumber() { |
| return new SvnRevisionNumber(myRevision); |
| } |
| |
| @NonNls |
| public String toString() { |
| return myFile.getPath(); |
| } |
| |
| @Override |
| public VcsKey getVcsKey() { |
| return SvnVcs.getKey(); |
| } |
| } |