/*
* Copyright 2000-2016 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.history;
import com.intellij.openapi.application.ApplicationManager;
import com.intellij.openapi.progress.ProgressIndicator;
import com.intellij.openapi.progress.ProgressManager;
import com.intellij.openapi.util.io.FileUtil;
import com.intellij.openapi.vcs.FilePath;
import com.intellij.openapi.vcs.VcsException;
import com.intellij.openapi.vcs.changes.ByteBackedContentRevision;
import com.intellij.openapi.vcs.impl.ContentRevisionCache;
import com.intellij.openapi.vfs.LocalFileSystem;
import com.intellij.vcsUtil.VcsUtil;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import org.jetbrains.idea.svn.*;
import org.jetbrains.idea.svn.commandLine.SvnBindException;
import org.tmatesoft.svn.core.wc.SVNRevision;
import org.tmatesoft.svn.core.wc2.SvnTarget;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.OutputStream;
import static com.intellij.util.ObjectUtils.notNull;
public class SvnRepositoryContentRevision extends SvnBaseContentRevision implements ByteBackedContentRevision {
@NotNull private final String myPath;
private final long myRevision;
public SvnRepositoryContentRevision(@NotNull SvnVcs vcs, @NotNull FilePath remotePath, @Nullable FilePath localPath, long revision) {
super(vcs, notNull(localPath, remotePath));
myPath = FileUtil.toSystemIndependentName(remotePath.getPath());
myRevision = revision;
}
@NotNull
public String getContent() throws VcsException {
return ContentRevisionCache.getAsString(getContentAsBytes(), myFile, null);
}
@NotNull
@Override
public byte[] getContentAsBytes() throws VcsException {
try {
if (myFile.getVirtualFile() == null) {
LocalFileSystem.getInstance().refreshAndFindFileByPath(myFile.getPath());
}
return ContentRevisionCache.getOrLoadAsBytes(myVcs.getProject(), myFile, getRevisionNumber(), myVcs.getKeyInstanceMethod(),
ContentRevisionCache.UniqueType.REPOSITORY_CONTENT, () -> loadContent().toByteArray());
}
catch (IOException e) {
throw new VcsException(e);
}
}
@NotNull
protected ByteArrayOutputStream loadContent() throws VcsException {
final ByteArrayOutputStream buffer = new ByteArrayOutputStream();
ContentLoader loader = new ContentLoader(myPath, buffer, myRevision);
if (ApplicationManager.getApplication().isDispatchThread()) {
ProgressManager.getInstance()
.runProcessWithProgressSynchronously(loader, SvnBundle.message("progress.title.loading.file.content"), false, null);
}
else {
loader.run();
}
final Exception exception = loader.getException();
if (exception != null) {
throw new VcsException(exception);
}
ContentRevisionCache.checkContentsSize(myPath, buffer.size());
return buffer;
}
@NotNull
public SvnRevisionNumber getRevisionNumber() {
return new SvnRevisionNumber(SVNRevision.create(myRevision));
}
public static SvnRepositoryContentRevision create(@NotNull SvnVcs vcs,
@NotNull String repositoryRoot,
@NotNull String path,
@Nullable FilePath localPath,
long revision) {
return create(vcs, SvnUtil.appendMultiParts(repositoryRoot, path), localPath, revision);
}
public static SvnRepositoryContentRevision createForRemotePath(@NotNull SvnVcs vcs,
@NotNull String repositoryRoot,
@NotNull String path,
boolean isDirectory,
long revision) {
FilePath remotePath = VcsUtil.getFilePathOnNonLocal(SvnUtil.appendMultiParts(repositoryRoot, path), isDirectory);
return create(vcs, remotePath, remotePath, revision);
}
public static SvnRepositoryContentRevision create(@NotNull SvnVcs vcs,
@NotNull String fullPath,
@Nullable FilePath localPath,
long revision) {
// TODO: Check if isDirectory = false always true for this method calls
FilePath remotePath = VcsUtil.getFilePathOnNonLocal(fullPath, false);
return create(vcs, remotePath, localPath == null ? remotePath : localPath, revision);
}
public static SvnRepositoryContentRevision create(@NotNull SvnVcs vcs,
@NotNull FilePath remotePath,
@Nullable FilePath localPath,
long revision) {
return remotePath.getFileType().isBinary()
? new SvnRepositoryBinaryContentRevision(vcs, remotePath, localPath, revision)
: new SvnRepositoryContentRevision(vcs, remotePath, localPath, revision);
}
@Override
public String toString() {
return myFile.getIOFile() + "#" + myRevision;
}
private class ContentLoader implements Runnable {
private final String myPath;
private final long myRevision;
private final OutputStream myDst;
private Exception myException;
public ContentLoader(String path, OutputStream dst, long revision) {
myPath = path;
myDst = dst;
myRevision = revision;
}
public Exception getException() {
return myException;
}
public void run() {
ProgressIndicator progress = ProgressManager.getInstance().getProgressIndicator();
if (progress != null) {
progress.setText(SvnBundle.message("progress.text.loading.contents", myPath));
progress.setText2(SvnBundle.message("progress.text2.revision.information", myRevision));
}
try {
// TODO: Local path could also be used here
SVNRevision revision = SVNRevision.create(myRevision);
byte[] contents = SvnUtil.getFileContents(myVcs, SvnTarget.fromURL(SvnUtil.parseUrl(getFullPath())), revision, revision);
myDst.write(contents);
}
catch (VcsException | IOException e) {
myException = e;
}
}
}
@NotNull
public String getFullPath() {
return myPath;
}
public String getRelativePath(@NotNull String repositoryUrl) {
return SvnUtil.getRelativePath(repositoryUrl, myPath);
}
@NotNull
public SvnTarget toTarget() throws SvnBindException {
return SvnTarget.fromURL(SvnUtil.createUrl(getFullPath()), getRevisionNumber().getRevision());
}
}