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/*
* Copyright 2000-2012 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.util.text.StringUtil;
import org.jetbrains.idea.svn.SvnUtil;
import org.tmatesoft.svn.core.SVNException;
import org.tmatesoft.svn.core.internal.util.SVNPathUtil;
import java.util.Map;
/**
* Created with IntelliJ IDEA.
* User: Irina.Chernushina
* Date: 8/30/12
* Time: 5:18 PM
*
* We consider here, that history is traversed "from now to past"
*/
public class SvnPathThroughHistoryCorrection implements LogEntryConsumer {
private String myBefore;
private String myPath;
private LogEntryPath myDirectlyMentioned;
private boolean myRoot;
public SvnPathThroughHistoryCorrection(String path) {
myPath = path;
myBefore = path;
myRoot = StringUtil.isEmpty(path);
}
@Override
public void consume(LogEntry logEntry) throws SVNException {
if (myRoot) {
return;
}
myBefore = myPath;
myDirectlyMentioned = null;
final Map<String,LogEntryPath> paths = logEntry.getChangedPaths();
final LogEntryPath entryPath = paths.get(myPath);
if (entryPath != null) {
myDirectlyMentioned = entryPath;
// exact match
if (entryPath.getCopyPath() != null) {
myPath = entryPath.getCopyPath();
return;
}
}
for (LogEntryPath path : paths.values()) {
// "the origin path *from where* the item, ..."
// TODO: this could incorrectly handle case when parent folder was replaced - see IDEA-103042
// TODO: or several parent folder renames occur IDEA-96825
final String copyPath = path.getCopyPath();
if (copyPath != null) {
final String thisEntryPath = path.getPath();
if (parentPathChanged(copyPath, thisEntryPath)) {
return;
}
}
}
}
private boolean parentPathChanged(String copyPath, String thisEntryPath) throws SVNException {
if (SVNPathUtil.isAncestor(thisEntryPath, myPath)) {
final String relativePath = SVNPathUtil.getRelativePath(thisEntryPath, myPath);
myPath = SvnUtil.appendMultiParts(copyPath, relativePath);
return true;
}
return false;
}
public String getBefore() {
return myBefore;
}
public LogEntryPath getDirectlyMentioned() {
return myDirectlyMentioned;
}
public String getCurrentPath() {
return myPath;
}
public boolean isRoot() {
return myRoot;
}
}
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