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/*
* 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.history;
import com.intellij.openapi.diagnostic.Logger;
import com.intellij.openapi.progress.ProcessCanceledException;
import com.intellij.openapi.project.Project;
import com.intellij.openapi.util.Pair;
import com.intellij.openapi.vcs.FilePath;
import com.intellij.openapi.vcs.VcsException;
import com.intellij.openapi.vcs.changes.Change;
import com.intellij.openapi.vcs.changes.ContentRevision;
import com.intellij.openapi.vcs.history.VcsRevisionNumber;
import com.intellij.openapi.vfs.VirtualFile;
import com.intellij.vcsUtil.VcsUtil;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.idea.svn.*;
import org.jetbrains.idea.svn.auth.SvnAuthenticationNotifier;
import org.jetbrains.idea.svn.commandLine.SvnBindException;
import org.tmatesoft.svn.core.*;
import org.tmatesoft.svn.core.wc.SVNRevision;
import org.tmatesoft.svn.core.wc2.SvnTarget;
import java.io.File;
/**
* @author Konstantin Kolosovsky.
*/
public class SingleCommittedListProvider {
private static final Logger LOG = Logger.getInstance(SingleCommittedListProvider.class);
@NotNull private final SvnVcs myVcs;
@NotNull private final Project myProject;
@NotNull private final VirtualFile file;
@NotNull private final VcsRevisionNumber number;
private SvnChangeList[] changeList;
private SVNRevision revisionBefore;
private SVNURL repositoryUrl;
private SVNURL svnRootUrl;
private SvnRepositoryLocation svnRootLocation;
private String repositoryRelativeUrl;
private FilePath filePath;
public SingleCommittedListProvider(@NotNull SvnVcs vcs, @NotNull VirtualFile file, @NotNull VcsRevisionNumber number) {
myVcs = vcs;
myProject = vcs.getProject();
this.file = file;
this.number = number;
}
public Pair<SvnChangeList, FilePath> run() throws VcsException {
Pair<SvnChangeList, FilePath> result = null;
if (setup()) {
calculate();
result = Pair.create(changeList[0], filePath);
}
return result;
}
private boolean setup() {
boolean result = false;
RootUrlInfo rootUrlInfo = myVcs.getSvnFileUrlMapping().getWcRootForFilePath(new File(file.getPath()));
if (rootUrlInfo != null) {
changeList = new SvnChangeList[1];
revisionBefore = ((SvnRevisionNumber)number).getRevision();
repositoryUrl = rootUrlInfo.getRepositoryUrlUrl();
svnRootUrl = rootUrlInfo.getAbsoluteUrlAsUrl();
svnRootLocation = new SvnRepositoryLocation(rootUrlInfo.getAbsoluteUrl());
repositoryRelativeUrl = SvnUtil.ensureStartSlash(SvnUtil.join(
SvnUtil.getRelativeUrl(repositoryUrl.toDecodedString(), svnRootUrl.toDecodedString()),
SvnUtil.getRelativePath(rootUrlInfo.getPath(), file.getPath())));
filePath = VcsUtil.getFilePath(file);
result = true;
}
return result;
}
private void calculate() throws VcsException {
// TODO: Seems that filePath detection could be replaced with "svn info -r <revisionBefore>" - and not call
// TODO: "svn log -r HEAD:<revisionBefore>" and track copies manually (which also is not correct for all cases).
if (!searchForUrl(svnRootUrl) && !(hasAccess(repositoryUrl) && searchForUrl(repositoryUrl))) {
filePath = searchFromHead(svnRootUrl);
}
else {
if (changeList[0].getChanges().size() == 1) {
final ContentRevision afterRevision = changeList[0].getChanges().iterator().next().getAfterRevision();
filePath = afterRevision != null ? afterRevision.getFile() : filePath;
}
else {
final Change targetChange = changeList[0].getByPath(repositoryRelativeUrl);
filePath = targetChange == null ? searchFromHead(svnRootUrl) : filePath;
}
}
}
private boolean hasAccess(@NotNull SVNURL url) {
return SvnAuthenticationNotifier.passiveValidation(myProject, url);
}
// return changed path, if any
private FilePath searchFromHead(@NotNull SVNURL url) throws VcsException {
final SvnCopyPathTracker pathTracker = new SvnCopyPathTracker(repositoryUrl.toDecodedString(), repositoryRelativeUrl);
SvnTarget target = SvnTarget.fromURL(url);
myVcs.getFactory(target).createHistoryClient().doLog(target, SVNRevision.HEAD, revisionBefore, false, true, false, 0, null,
new ISVNLogEntryHandler() {
public void handleLogEntry(SVNLogEntry logEntry) {
checkDisposed();
// date could be null for lists where there are paths that user has no rights to observe
if (logEntry.getDate() != null) {
pathTracker.accept(logEntry);
if (logEntry.getRevision() == revisionBefore.getNumber()) {
changeList[0] = createChangeList(logEntry);
}
}
}
}
);
FilePath path = pathTracker.getFilePath(myVcs);
return path == null ? filePath : path;
}
@NotNull
private SvnChangeList createChangeList(@NotNull SVNLogEntry logEntry) {
return new SvnChangeList(myVcs, svnRootLocation, logEntry, repositoryUrl.toDecodedString());
}
private void checkDisposed() {
if (myProject.isDisposed()) {
throw new ProcessCanceledException();
}
}
private boolean searchForUrl(@NotNull SVNURL url) throws VcsException {
ISVNLogEntryHandler handler = new ISVNLogEntryHandler() {
public void handleLogEntry(SVNLogEntry logEntry) {
checkDisposed();
// date could be null for lists where there are paths that user has no rights to observe
if (logEntry.getDate() != null) {
changeList[0] = createChangeList(logEntry);
}
}
};
SvnTarget target = SvnTarget.fromURL(url);
try {
myVcs.getFactory(target).createHistoryClient().doLog(target, revisionBefore, revisionBefore, false, true, false, 1, null, handler);
}
catch (SvnBindException e) {
LOG.info(e);
if (!e.containsCategory(SVNErrorCode.FS_CATEGORY)) {
throw e;
}
}
return changeList[0] != null;
}
}
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