/*
* ====================================================================
* Copyright (c) 2004-2008 TMate Software Ltd. All rights reserved.
*
* This software is licensed as described in the file COPYING, which
* you should have received as part of this distribution. The terms
* are also available at http://svnkit.com/license.html
* If newer versions of this license are posted there, you may use a
* newer version instead, at your option.
* ====================================================================
*/
package org.tmatesoft.svn.core.internal.wc;
import java.io.File;
import java.io.IOException;
import java.io.OutputStream;
import java.io.RandomAccessFile;
import java.text.MessageFormat;
import java.util.Collection;
import java.util.Iterator;
import java.util.LinkedList;
import java.util.List;
import java.util.Map;
import java.util.TreeMap;
import org.tmatesoft.svn.core.SVNErrorCode;
import org.tmatesoft.svn.core.SVNErrorMessage;
import org.tmatesoft.svn.core.SVNException;
import org.tmatesoft.svn.core.SVNNodeKind;
import org.tmatesoft.svn.core.SVNProperties;
import org.tmatesoft.svn.core.SVNProperty;
import org.tmatesoft.svn.core.SVNPropertyValue;
import org.tmatesoft.svn.core.internal.util.SVNEncodingUtil;
import org.tmatesoft.svn.core.internal.util.SVNMergeInfoUtil;
import org.tmatesoft.svn.core.internal.wc.admin.SVNAdminArea;
import org.tmatesoft.svn.core.internal.wc.admin.SVNEntry;
import org.tmatesoft.svn.core.internal.wc.admin.SVNLog;
import org.tmatesoft.svn.core.internal.wc.admin.SVNTranslator;
import org.tmatesoft.svn.core.wc.ISVNConflictHandler;
import org.tmatesoft.svn.core.wc.ISVNMerger;
import org.tmatesoft.svn.core.wc.SVNConflictAction;
import org.tmatesoft.svn.core.wc.SVNConflictChoice;
import org.tmatesoft.svn.core.wc.SVNConflictDescription;
import org.tmatesoft.svn.core.wc.SVNConflictReason;
import org.tmatesoft.svn.core.wc.SVNConflictResult;
import org.tmatesoft.svn.core.wc.SVNDiffOptions;
import org.tmatesoft.svn.core.wc.SVNMergeFileSet;
import org.tmatesoft.svn.core.wc.SVNMergeResult;
import org.tmatesoft.svn.core.wc.SVNStatusType;
import org.tmatesoft.svn.util.SVNLogType;
import de.regnis.q.sequence.line.QSequenceLineRAByteData;
import de.regnis.q.sequence.line.QSequenceLineRAData;
import de.regnis.q.sequence.line.QSequenceLineRAFileData;
/**
* @version 1.2.0
* @author TMate Software Ltd.
* @since 1.2.0
*/
public class DefaultSVNMerger extends AbstractSVNMerger implements ISVNMerger {
private static List STATUS_ORDERING = new LinkedList();
static {
STATUS_ORDERING.add(SVNStatusType.UNKNOWN);
STATUS_ORDERING.add(SVNStatusType.UNCHANGED);
STATUS_ORDERING.add(SVNStatusType.INAPPLICABLE);
STATUS_ORDERING.add(SVNStatusType.CHANGED);
STATUS_ORDERING.add(SVNStatusType.MERGED);
STATUS_ORDERING.add(SVNStatusType.OBSTRUCTED);
STATUS_ORDERING.add(SVNStatusType.CONFLICTED);
};
private ISVNConflictHandler myConflictCallback;
public DefaultSVNMerger(byte[] start, byte[] sep, byte[] end) {
this(start, sep, end, null);
}
public DefaultSVNMerger(byte[] start, byte[] sep, byte[] end, ISVNConflictHandler callback) {
super(start, sep, end);
myConflictCallback = callback;
}
public SVNMergeResult mergeProperties(String localPath, SVNProperties workingProperties,
SVNProperties baseProperties, SVNProperties serverBaseProps, SVNProperties propDiff,
SVNAdminArea adminArea, SVNLog log, boolean baseMerge, boolean dryRun) throws SVNException {
propDiff = propDiff == null ? new SVNProperties() : propDiff;
if (baseProperties == null) {
baseProperties = adminArea.getBaseProperties(localPath).asMap();
}
if (workingProperties == null) {
workingProperties = adminArea.getProperties(localPath).asMap();
}
if (serverBaseProps == null) {
serverBaseProps = baseProperties != null ? new SVNProperties(baseProperties) : new SVNProperties();
}
boolean isDir = adminArea.getThisDirName().equals(localPath);
List conflicts = new LinkedList();
List conflict = new LinkedList();
SVNStatusType status = SVNStatusType.UNCHANGED;
for (Iterator propEntries = propDiff.nameSet().iterator(); propEntries.hasNext();) {
String propName = (String) propEntries.next();
SVNPropertyValue toValue = propDiff.getSVNPropertyValue(propName);
SVNPropertyValue fromValue = serverBaseProps.getSVNPropertyValue(propName);
SVNPropertyValue workingValue = workingProperties.getSVNPropertyValue(propName);
SVNPropertyValue baseValue = baseProperties.getSVNPropertyValue(propName);
boolean isNormal = SVNProperty.isRegularProperty(propName);
if (baseMerge) {
changeProperty(baseProperties, propName, toValue);
}
if (isNormal) {
status = getPropMergeStatus(status, SVNStatusType.CHANGED);
}
SVNStatusType newStatus = null;
if (fromValue == null) {
newStatus = applySinglePropertyAdd(localPath, isDir, isNormal ? status : null,
workingProperties, propName, baseValue, toValue, workingValue, adminArea, log, conflict);
} else if (toValue == null) {
newStatus = applySinglePropertyDelete(localPath, isDir, isNormal ? status : null,
workingProperties, propName, baseValue, fromValue, workingValue, adminArea, log, conflict);
} else {
newStatus = applySinglePropertyChange(localPath, isDir, status, workingProperties, propName,
baseValue, fromValue, toValue, workingValue, adminArea, log, conflict);
}
if (isNormal) {
status = newStatus;
}
if (!conflict.isEmpty()) {
if (isNormal) {
status = getPropMergeStatus(status, SVNStatusType.CONFLICTED);
}
Object conflictDescription = conflict.remove(0);
if (dryRun) {
continue;
}
conflicts.add(conflictDescription);
}
}
if (dryRun) {
return SVNMergeResult.createMergeResult(status, null);
}
log = log == null ? adminArea.getLog() : log;
adminArea.installProperties(localPath, baseProperties, workingProperties, log, baseMerge, true);
if (!conflicts.isEmpty()) {
SVNEntry entry = adminArea.getVersionedEntry(localPath, false);
String prejTmpPath = adminArea.getThisDirName().equals(localPath) ?
"tmp/dir_conflicts" : "tmp/props/" + localPath;
File prejTmpFile = SVNFileUtil.createUniqueFile(adminArea.getAdminDirectory(), prejTmpPath, ".prej", false);
prejTmpPath = SVNFileUtil.getBasePath(prejTmpFile);
String prejPath = entry.getPropRejectFile();
if (prejPath == null) {
prejPath = adminArea.getThisDirName().equals(localPath) ? "dir_conflicts" : localPath;
File prejFile = SVNFileUtil.createUniqueFile(adminArea.getRoot(), prejPath, ".prej", false);
prejPath = SVNFileUtil.getBasePath(prejFile);
}
File file = adminArea.getFile(prejTmpPath);
OutputStream os = SVNFileUtil.openFileForWriting(file);
try {
for (Iterator lines = conflicts.iterator(); lines.hasNext();) {
String line = (String) lines.next();
os.write(SVNEncodingUtil.fuzzyEscape(line).getBytes("UTF-8"));
}
os.write(SVNEncodingUtil.fuzzyEscape("\n").getBytes("UTF-8"));
} catch (IOException e) {
SVNErrorMessage err = SVNErrorMessage.create(SVNErrorCode.IO_ERROR, "Cannot write properties conflict file: {1}", e.getLocalizedMessage());
SVNErrorManager.error(err, e, SVNLogType.WC);
} finally {
SVNFileUtil.closeFile(os);
}
SVNProperties command = new SVNProperties();
command.put(SVNLog.NAME_ATTR, prejTmpPath);
command.put(SVNLog.DEST_ATTR, prejPath);
log.addCommand(SVNLog.APPEND, command, false);
command.clear();
command.put(SVNLog.NAME_ATTR, prejTmpPath);
log.addCommand(SVNLog.DELETE, command, false);
command.clear();
command.put(SVNLog.NAME_ATTR, localPath);
command.put(SVNProperty.shortPropertyName(SVNProperty.PROP_REJECT_FILE),
prejPath);
log.addCommand(SVNLog.MODIFY_ENTRY, command, false);
}
return SVNMergeResult.createMergeResult(status, null);
}
protected SVNStatusType mergeBinary(File baseFile, File localFile, File repositoryFile, SVNDiffOptions options, File resultFile) throws SVNException {
return SVNStatusType.CONFLICTED;
}
protected SVNStatusType mergeText(File baseFile, File localFile, File latestFile, SVNDiffOptions options, File resultFile) throws SVNException {
FSMergerBySequence merger = new FSMergerBySequence(getConflictStartMarker(), getConflictSeparatorMarker(), getConflictEndMarker());
int mergeResult = 0;
RandomAccessFile localIS = null;
RandomAccessFile latestIS = null;
RandomAccessFile baseIS = null;
OutputStream result = null;
try {
result = SVNFileUtil.openFileForWriting(resultFile);
localIS = new RandomAccessFile(localFile, "r");
latestIS = new RandomAccessFile(latestFile, "r");
baseIS = new RandomAccessFile(baseFile, "r");
QSequenceLineRAData baseData = new QSequenceLineRAFileData(baseIS);
QSequenceLineRAData localData = new QSequenceLineRAFileData(localIS);
QSequenceLineRAData latestData = new QSequenceLineRAFileData(latestIS);
mergeResult = merger.merge(baseData, localData, latestData, options, result);
} catch (IOException e) {
SVNErrorMessage err = SVNErrorMessage.create(SVNErrorCode.IO_ERROR, e.getLocalizedMessage());
SVNErrorManager.error(err, e, SVNLogType.WC);
} finally {
SVNFileUtil.closeFile(result);
SVNFileUtil.closeFile(localIS);
SVNFileUtil.closeFile(baseIS);
SVNFileUtil.closeFile(latestIS);
}
SVNStatusType status = SVNStatusType.UNCHANGED;
if (mergeResult == FSMergerBySequence.CONFLICTED) {
status = SVNStatusType.CONFLICTED;
} else if (mergeResult == FSMergerBySequence.MERGED) {
status = SVNStatusType.MERGED;
}
return status;
}
protected SVNMergeResult processMergedFiles(SVNMergeFileSet files, SVNMergeResult mergeResult) throws SVNException {
DefaultSVNMergerAction mergeAction = getMergeAction(files, mergeResult);
if (mergeAction == DefaultSVNMergerAction.MARK_CONFLICTED) {
mergeResult = handleMarkConflicted(files);
} else if (mergeAction == DefaultSVNMergerAction.CHOOSE_BASE) {
mergeResult = handleChooseBase(files);
} else if (mergeAction == DefaultSVNMergerAction.CHOOSE_REPOSITORY) {
mergeResult = handleChooseRepository(files);
} else if (mergeAction == DefaultSVNMergerAction.CHOOSE_WORKING) {
mergeResult = handleChooseWorking(files);
} else if (mergeAction == DefaultSVNMergerAction.CHOOSE_MERGED_FILE) {
mergeResult = handleChooseMerged(files, mergeResult);
} else if (mergeAction == DefaultSVNMergerAction.MARK_RESOLVED) {
mergeResult = handleMarkResolved(files, mergeResult);
}
postMergeCleanup(files);
return mergeResult;
}
protected DefaultSVNMergerAction getMergeAction(SVNMergeFileSet files, SVNMergeResult mergeResult) throws SVNException {
if (mergeResult.getMergeStatus() == SVNStatusType.CONFLICTED) {
if (myConflictCallback != null) {
SVNConflictDescription descr = new SVNConflictDescription(files, SVNNodeKind.FILE, null, false,
SVNConflictAction.EDIT, SVNConflictReason.EDITED);
SVNConflictResult result = myConflictCallback.handleConflict(descr);
if (result == null) {
SVNErrorMessage err = SVNErrorMessage.create(SVNErrorCode.WC_CONFLICT_RESOLVER_FAILURE,
"Conflict callback violated API: returned no results.");
SVNErrorManager.error(err, SVNLogType.DEFAULT);
}
SVNConflictChoice choice = result.getConflictChoice();
if (choice == SVNConflictChoice.BASE) {
return DefaultSVNMergerAction.CHOOSE_BASE;
} else if (choice == SVNConflictChoice.MERGED) {
return DefaultSVNMergerAction.CHOOSE_MERGED_FILE;
} else if (choice == SVNConflictChoice.MINE_FULL) {
return DefaultSVNMergerAction.CHOOSE_WORKING;
} else if (choice == SVNConflictChoice.THEIRS_FULL) {
return DefaultSVNMergerAction.CHOOSE_REPOSITORY;
}
}
return DefaultSVNMergerAction.MARK_CONFLICTED;
}
return DefaultSVNMergerAction.CHOOSE_MERGED_FILE;
}
protected SVNMergeResult handleChooseBase(SVNMergeFileSet files) throws SVNException {
SVNProperties command = new SVNProperties();
SVNLog log = files.getLog();
command.put(SVNLog.NAME_ATTR, files.getBasePath());
command.put(SVNLog.DEST_ATTR, files.getWCPath());
log.addCommand(SVNLog.COPY_AND_TRANSLATE, command, false);
command.clear();
return SVNMergeResult.createMergeResult(SVNStatusType.MERGED, null);
}
protected SVNMergeResult handleChooseRepository(SVNMergeFileSet files) throws SVNException {
SVNProperties command = new SVNProperties();
SVNLog log = files.getLog();
command.put(SVNLog.NAME_ATTR, files.getRepositoryPath());
command.put(SVNLog.DEST_ATTR, files.getWCPath());
log.addCommand(SVNLog.COPY_AND_TRANSLATE, command, false);
command.clear();
return SVNMergeResult.createMergeResult(SVNStatusType.MERGED, null);
}
protected SVNMergeResult handleChooseWorking(SVNMergeFileSet files) throws SVNException {
if (files == null) {
SVNErrorManager.cancel("", SVNLogType.WC);
}
return SVNMergeResult.createMergeResult(SVNStatusType.MERGED, null);
}
protected SVNMergeResult handleMarkConflicted(SVNMergeFileSet files) throws SVNException {
if (files.isBinary()) {
return handleMarkBinaryConflicted(files);
}
return handleMarkTextConflicted(files);
}
protected SVNMergeResult handleMarkBinaryConflicted(SVNMergeFileSet files) throws SVNException {
SVNProperties command = new SVNProperties();
File root = files.getAdminArea().getRoot();
SVNLog log = files.getLog();
File oldFile = SVNFileUtil.createUniqueFile(root, files.getWCPath(), files.getBaseLabel(), false);
File newFile = SVNFileUtil.createUniqueFile(root, files.getWCPath(), files.getRepositoryLabel(), false);
SVNFileUtil.copyFile(files.getBaseFile(), oldFile, false);
SVNFileUtil.copyFile(files.getRepositoryFile(), newFile, false);
if (!files.getLocalPath().equals(files.getWCPath())) {
File mineFile = SVNFileUtil.createUniqueFile(root, files.getWCPath(), files.getLocalLabel(), false);
String minePath = SVNFileUtil.getBasePath(mineFile);
command.put(SVNLog.NAME_ATTR, files.getLocalPath());
command.put(SVNLog.DEST_ATTR, minePath);
log.addCommand(SVNLog.MOVE, command, false);
command.clear();
command.put(SVNProperty.shortPropertyName(SVNProperty.CONFLICT_WRK), minePath);
} else {
command.put(SVNProperty.shortPropertyName(SVNProperty.CONFLICT_WRK), "");
}
String newPath = SVNFileUtil.getBasePath(newFile);
String oldPath = SVNFileUtil.getBasePath(oldFile);
makeBinaryConflictEntry(files, newPath, oldPath);
return SVNMergeResult.createMergeResult(SVNStatusType.CONFLICTED, null);
}
protected void makeBinaryConflictEntry(SVNMergeFileSet files, String newFilePath, String oldFilePath) throws SVNException {
SVNProperties command = new SVNProperties();
SVNLog log = files.getLog();
command.put(SVNProperty.shortPropertyName(SVNProperty.CONFLICT_NEW), newFilePath);
command.put(SVNProperty.shortPropertyName(SVNProperty.CONFLICT_OLD), oldFilePath);
log.logChangedEntryProperties(files.getWCPath(), command);
command.clear();
files.getAdminArea().saveEntries(false);
}
protected SVNMergeResult handleMarkTextConflicted(SVNMergeFileSet files) throws SVNException {
SVNProperties command = new SVNProperties();
File root = files.getAdminArea().getRoot();
SVNLog log = files.getLog();
File mineFile = SVNFileUtil.createUniqueFile(root, files.getWCPath(), files.getLocalLabel(), false);
File oldFile = SVNFileUtil.createUniqueFile(root, files.getWCPath(), files.getBaseLabel(), false);
File newFile = SVNFileUtil.createUniqueFile(root, files.getWCPath(), files.getRepositoryLabel(), false);
String newPath = SVNFileUtil.getBasePath(newFile);
String oldPath = SVNFileUtil.getBasePath(oldFile);
String minePath = SVNFileUtil.getBasePath(mineFile);
String basePath = files.getBasePath();
command.put(SVNLog.NAME_ATTR, basePath);
command.put(SVNLog.DEST_ATTR, oldPath);
command.put(SVNLog.ATTR2, files.getWCPath());
log.addCommand(SVNLog.COPY_AND_TRANSLATE, command, false);
command.clear();
String latestPath = files.getRepositoryPath();
command.put(SVNLog.NAME_ATTR, latestPath);
command.put(SVNLog.DEST_ATTR, newPath);
command.put(SVNLog.ATTR2, files.getWCPath());
log.addCommand(SVNLog.COPY_AND_TRANSLATE, command, false);
command.clear();
File tmpTargetCopy = SVNTranslator.getTranslatedFile(files.getAdminArea(), files.getWCPath(), files.getWCFile(),
false, false, false, true);
String tmpTargetCopyPath = SVNFileUtil.getBasePath(tmpTargetCopy);
command.put(SVNLog.NAME_ATTR, tmpTargetCopyPath);
command.put(SVNLog.DEST_ATTR, minePath);
command.put(SVNLog.ATTR2, files.getWCPath());
log.addCommand(SVNLog.COPY_AND_TRANSLATE, command, false);
command.clear();
if (!tmpTargetCopy.equals(files.getLocalFile())) {
command.put(SVNLog.NAME_ATTR, tmpTargetCopyPath);
log.addCommand(SVNLog.DELETE, command, false);
command.clear();
}
command.put(SVNLog.NAME_ATTR, files.getResultPath());
command.put(SVNLog.DEST_ATTR, files.getWCPath());
command.put(SVNLog.ATTR2, files.getWCPath());
log.addCommand(SVNLog.COPY_AND_TRANSLATE, command, false);
command.clear();
makeTextConflictEntry(files, minePath, newPath, oldPath);
return SVNMergeResult.createMergeResult(SVNStatusType.CONFLICTED, null);
}
protected void makeTextConflictEntry(SVNMergeFileSet files, String mineFilePath, String newFilePath, String oldFilePath) throws SVNException {
SVNProperties command = new SVNProperties();
SVNLog log = files.getLog();
command.put(SVNProperty.shortPropertyName(SVNProperty.CONFLICT_WRK), mineFilePath);
command.put(SVNProperty.shortPropertyName(SVNProperty.CONFLICT_NEW), newFilePath);
command.put(SVNProperty.shortPropertyName(SVNProperty.CONFLICT_OLD), oldFilePath);
log.logChangedEntryProperties(files.getWCPath(), command);
command.clear();
}
protected SVNMergeResult handleChooseMerged(SVNMergeFileSet files, SVNMergeResult mergeResult) throws SVNException {
SVNProperties command = new SVNProperties();
SVNLog log = files.getLog();
if (mergeResult.getMergeStatus() != SVNStatusType.CONFLICTED) {
// do normal merge.
if (mergeResult.getMergeStatus() != SVNStatusType.UNCHANGED) {
command.put(SVNLog.NAME_ATTR, files.getResultPath());
command.put(SVNLog.DEST_ATTR, files.getWCPath());
log.addCommand(SVNLog.COPY_AND_TRANSLATE, command, false);
command.clear();
}
return mergeResult;
} else if (files.isBinary()) {
// this action is not applicable for binary conflited files.
return handleMarkConflicted(files);
} else {
// for text file we could use merged version in case of conflict.
command.put(SVNLog.NAME_ATTR, files.getResultPath());
command.put(SVNLog.DEST_ATTR, files.getWCPath());
log.addCommand(SVNLog.COPY_AND_TRANSLATE, command, false);
command.clear();
return SVNMergeResult.createMergeResult(SVNStatusType.MERGED, null);
}
}
protected SVNMergeResult handleMarkResolved(SVNMergeFileSet files, SVNMergeResult mergeResult) throws SVNException {
if (!files.isBinary()) {
// same as choose merged.
return handleChooseMerged(files, mergeResult);
}
// same as choose working.
return handleChooseWorking(files);
}
protected void postMergeCleanup(SVNMergeFileSet files) throws SVNException {
SVNProperties command = new SVNProperties();
SVNLog log = files.getLog();
if (!files.getLocalPath().equals(files.getWCPath())) {
command.put(SVNLog.NAME_ATTR, files.getLocalPath());
log.addCommand(SVNLog.DELETE, command, false);
command.clear();
}
command.put(SVNLog.NAME_ATTR, files.getWCPath());
log.addCommand(SVNLog.MAYBE_EXECUTABLE, command, false);
command.clear();
command.put(SVNLog.NAME_ATTR, files.getWCPath());
log.addCommand(SVNLog.MAYBE_READONLY, command, false);
command.clear();
command.put(SVNLog.NAME_ATTR, files.getResultPath());
log.addCommand(SVNLog.DELETE, command, false);
command.clear();
}
private SVNStatusType applySinglePropertyAdd(String localPath, boolean isDir, SVNStatusType status,
SVNProperties workingProps, String propName, SVNPropertyValue baseValue,
SVNPropertyValue newValue, SVNPropertyValue workingValue, SVNAdminArea adminArea,
SVNLog log, Collection conflicts) throws SVNException {
boolean gotConflict = false;
if (workingValue != null) {
if (workingValue.equals(newValue)) {
status = getPropMergeStatus(status, SVNStatusType.MERGED);
changeProperty(workingProps, propName, newValue);
} else {
if (SVNProperty.MERGE_INFO.equals(propName)) {
newValue = SVNPropertyValue.create(
SVNMergeInfoUtil.combineMergeInfoProperties(workingValue.getString(),
newValue.getString()));
changeProperty(workingProps, propName, newValue);
status = getPropMergeStatus(status, SVNStatusType.MERGED);
} else {
gotConflict = maybeGeneratePropConflict(localPath, propName, workingProps, null, newValue,
baseValue, workingValue, adminArea, log, isDir);
if (gotConflict) {
conflicts.add(MessageFormat.format("Trying to add new property ''{0}'' with value ''{1}'',\n" +
"but property already exists with value ''{2}''.",
new Object[] { propName, SVNPropertyValue.getPropertyAsString(newValue),
SVNPropertyValue.getPropertyAsString(workingValue) }));
}
}
}
} else if (baseValue != null) {
gotConflict = maybeGeneratePropConflict(localPath, propName, workingProps, null, newValue, baseValue,
null, adminArea, log, isDir);
if (gotConflict) {
conflicts.add(MessageFormat.format("Trying to create property ''{0}'' with value ''{1}'',\n" +
"but it has been locally deleted.",
new Object[] { propName, SVNPropertyValue.getPropertyAsString(newValue) }));
}
} else {
changeProperty(workingProps, propName, newValue);
}
return status;
}
private void changeProperty(SVNProperties properties, String propName, SVNPropertyValue propValue) {
if (propValue == null) {
properties.remove(propName);
} else {
properties.put(propName, propValue);
}
}
private SVNStatusType applySinglePropertyChange(String localPath, boolean isDir, SVNStatusType status,
SVNProperties workingProps, String propName, SVNPropertyValue baseValue,
SVNPropertyValue oldValue, SVNPropertyValue newValue, SVNPropertyValue workingValue,
SVNAdminArea adminArea, SVNLog log, Collection conflicts) throws SVNException {
boolean gotConflict = false;
if ((workingValue != null && baseValue == null) ||
(workingValue == null && baseValue != null) ||
(workingValue != null && baseValue != null && !workingValue.equals(baseValue))) {
if (workingValue != null) {
if (workingValue.equals(newValue)) {
status = getPropMergeStatus(status, SVNStatusType.MERGED);
} else {
if (SVNProperty.MERGE_INFO.equals(propName)) {
newValue = SVNPropertyValue.create(
SVNMergeInfoUtil.combineForkedMergeInfoProperties(oldValue.getString(),
workingValue.getString(), newValue.getString()));
changeProperty(workingProps, propName, newValue);
status = getPropMergeStatus(status, SVNStatusType.MERGED);
} else {
gotConflict = maybeGeneratePropConflict(localPath, propName, workingProps, oldValue,
newValue, baseValue, workingValue, adminArea, log, isDir);
if (gotConflict) {
if (baseValue != null) {
conflicts.add(MessageFormat.format("Trying to change property ''{0}'' from ''{1}'' to ''{2}'',\n" +
"but property has been locally changed from ''{3}'' to ''{4}''.",
new Object[] { propName, SVNPropertyValue.getPropertyAsString(oldValue),
SVNPropertyValue.getPropertyAsString(newValue),
SVNPropertyValue.getPropertyAsString(baseValue),
SVNPropertyValue.getPropertyAsString(workingValue) }));
} else {
conflicts.add(MessageFormat.format("Trying to change property ''{0}'' from ''{1}'' to ''{2}'',\n" +
"but property has been locally added with value ''{3}''",
new Object[] { propName, SVNPropertyValue.getPropertyAsString(oldValue),
SVNPropertyValue.getPropertyAsString(newValue),
SVNPropertyValue.getPropertyAsString(workingValue) }));
}
}
}
}
} else {
gotConflict = maybeGeneratePropConflict(localPath, propName, workingProps, oldValue, newValue,
baseValue, workingValue, adminArea, log, isDir);
if (gotConflict) {
conflicts.add(MessageFormat.format("Trying to change property ''{0}'' from ''{1}'' to ''{2}'',\n" +
"but it has been locally deleted.",
new Object[] { propName, SVNPropertyValue.getPropertyAsString(oldValue),
SVNPropertyValue.getPropertyAsString(newValue) }));
}
}
} else if (workingValue == null) {
if (SVNProperty.MERGE_INFO.equals(propName)) {
Map addedMergeInfo = new TreeMap();
SVNMergeInfoUtil.diffMergeInfoProperties(null, addedMergeInfo, oldValue.getString(), null,
newValue.getString(), null);
newValue = SVNPropertyValue.create(
SVNMergeInfoUtil.formatMergeInfoToString(addedMergeInfo));
changeProperty(workingProps, propName, newValue);
} else {
gotConflict = maybeGeneratePropConflict(localPath, propName, workingProps, oldValue, newValue,
baseValue, workingValue, adminArea, log, isDir);
if (gotConflict) {
conflicts.add(MessageFormat.format("Trying to change property ''{0}'' from ''{1}'' to ''{2}'',\n" +
"but the property does not exist.",
new Object[] { propName, SVNPropertyValue.getPropertyAsString(oldValue),
SVNPropertyValue.getPropertyAsString(newValue) }));
}
}
} else {
if (baseValue.equals(oldValue)) {
changeProperty(workingProps, propName, newValue);
} else {
if (SVNProperty.MERGE_INFO.equals(propName)) {
newValue = SVNPropertyValue.create(
SVNMergeInfoUtil.combineForkedMergeInfoProperties(oldValue.getString(),
workingValue.getString(), newValue.getString()));
changeProperty(workingProps, propName, newValue);
status = getPropMergeStatus(status, SVNStatusType.MERGED);
} else {
gotConflict = maybeGeneratePropConflict(localPath, propName, workingProps, oldValue, newValue,
baseValue, workingValue, adminArea, log, isDir);
if (gotConflict) {
conflicts.add(MessageFormat.format("Trying to change property ''{0}'' from ''{1}'' to ''{2}'',\n" +
"but property already exists with value ''{3}''.",
new Object[] { propName, SVNPropertyValue.getPropertyAsString(oldValue),
SVNPropertyValue.getPropertyAsString(newValue),
SVNPropertyValue.getPropertyAsString(workingValue) }));
}
}
}
}
return status;
}
private SVNStatusType applySinglePropertyDelete(String localPath, boolean isDir, SVNStatusType status,
SVNProperties workingProps, String propName, SVNPropertyValue baseValue,
SVNPropertyValue oldValue, SVNPropertyValue workingValue, SVNAdminArea adminArea,
SVNLog log, Collection conflicts) throws SVNException {
boolean gotConflict = false;
if (baseValue == null) {
changeProperty(workingProps, propName, (SVNPropertyValue) null);
if (oldValue != null) {
status = getPropMergeStatus(status, SVNStatusType.MERGED);
}
} else if (baseValue.equals(oldValue)) {
if (workingValue != null) {
if (workingValue.equals(oldValue)) {
changeProperty(workingProps, propName, (SVNPropertyValue) null);
} else {
gotConflict = maybeGeneratePropConflict(localPath, propName, workingProps, oldValue, null,
baseValue, workingValue, adminArea, log, isDir);
if (gotConflict) {
conflicts.add(MessageFormat.format("Trying to delete property ''{0}'' with value ''{1}''\n " +
"but it has been modified from ''{2}'' to ''{3}''.",
new Object[] { propName, SVNPropertyValue.getPropertyAsString(oldValue),
SVNPropertyValue.getPropertyAsString(baseValue),
SVNPropertyValue.getPropertyAsString(workingValue) }));
}
}
} else {
status = getPropMergeStatus(status, SVNStatusType.MERGED);
}
} else {
gotConflict = maybeGeneratePropConflict(localPath, propName, workingProps, oldValue, null,
baseValue, workingValue, adminArea, log, isDir);
if (gotConflict) {
conflicts.add(MessageFormat.format("Trying to delete property ''{0}'' with value ''{1}''\n " +
"but the local value is ''{2}''.",
new Object[] { propName, SVNPropertyValue.getPropertyAsString(baseValue),
SVNPropertyValue.getPropertyAsString(workingValue) }));
}
}
return status;
}
private static SVNStatusType getPropMergeStatus(SVNStatusType status, SVNStatusType newStatus) {
if (status == null) {
return null;
}
int statusInd = STATUS_ORDERING.indexOf(status);
int newStatusInd = STATUS_ORDERING.indexOf(newStatus);
if (newStatusInd <= statusInd) {
return status;
}
return newStatus;
}
private boolean maybeGeneratePropConflict(String localPath, String propName, SVNProperties workingProps,
SVNPropertyValue oldValue, SVNPropertyValue newValue, SVNPropertyValue baseValue,
SVNPropertyValue workingValue, SVNAdminArea adminArea, SVNLog log, boolean isDir) throws SVNException {
boolean conflictRemains = true;
if (myConflictCallback == null) {
return conflictRemains;
}
File path = adminArea.getFile(localPath);
File workingFile = null;
File newFile = null;
File baseFile = null;
File mergedFile = null;
try {
if (workingValue != null) {
workingFile = SVNFileUtil.createUniqueFile(path.getParentFile(), path.getName(), ".tmp", false);
OutputStream os = SVNFileUtil.openFileForWriting(workingFile);
try {
os.write(SVNPropertyValue.getPropertyAsBytes(workingValue));
} catch (IOException e) {
SVNErrorMessage err = SVNErrorMessage.create(SVNErrorCode.IO_ERROR,
"Cannot write a working property value file: {1}", e.getLocalizedMessage());
SVNErrorManager.error(err, e, SVNLogType.WC);
} finally {
SVNFileUtil.closeFile(os);
}
}
if (newValue != null) {
newFile = SVNFileUtil.createUniqueFile(path.getParentFile(), path.getName(), ".tmp", false);
OutputStream os = SVNFileUtil.openFileForWriting(newFile);
try {
os.write(SVNPropertyValue.getPropertyAsBytes(newValue));
} catch (IOException e) {
SVNErrorMessage err = SVNErrorMessage.create(SVNErrorCode.IO_ERROR,
"Cannot write a new property value file: {1}", e.getLocalizedMessage());
SVNErrorManager.error(err, e, SVNLogType.WC);
} finally {
SVNFileUtil.closeFile(os);
}
}
if ((baseValue != null && oldValue == null) ||
(baseValue == null && oldValue != null)) {
SVNPropertyValue theValue = baseValue != null ? baseValue : oldValue;
baseFile = SVNFileUtil.createUniqueFile(path.getParentFile(), path.getName(), ".tmp", false);
OutputStream os = SVNFileUtil.openFileForWriting(baseFile);
try {
os.write(SVNPropertyValue.getPropertyAsBytes(theValue));
} catch (IOException e) {
SVNErrorMessage err = SVNErrorMessage.create(SVNErrorCode.IO_ERROR,
"Cannot write a base property value file: {1}", e.getLocalizedMessage());
SVNErrorManager.error(err, e, SVNLogType.WC);
} finally {
SVNFileUtil.closeFile(os);
}
} else if (baseValue != null && oldValue != null) {
SVNPropertyValue theValue = baseValue;
if (!baseValue.equals(oldValue)) {
if (workingValue != null && baseValue.equals(workingValue)) {
theValue = oldValue;
}
}
baseFile = SVNFileUtil.createUniqueFile(path.getParentFile(), path.getName(), ".tmp", false);
OutputStream os = SVNFileUtil.openFileForWriting(baseFile);
try {
os.write(SVNPropertyValue.getPropertyAsBytes(theValue));
} catch (IOException e) {
SVNErrorMessage err = SVNErrorMessage.create(SVNErrorCode.IO_ERROR,
"Cannot write a base property value file: {1}", e.getLocalizedMessage());
SVNErrorManager.error(err, e, SVNLogType.WC);
} finally {
SVNFileUtil.closeFile(os);
}
if (workingValue != null && newValue != null) {
FSMergerBySequence merger = new FSMergerBySequence(getConflictStartMarker(),
getConflictSeparatorMarker(), getConflictEndMarker());
OutputStream result = null;
try {
mergedFile = SVNFileUtil.createUniqueFile(path.getParentFile(), path.getName(), ".tmp", false);
result = SVNFileUtil.openFileForWriting(mergedFile);
QSequenceLineRAData baseData = new QSequenceLineRAByteData(theValue.getBytes());
QSequenceLineRAData localData = new QSequenceLineRAByteData(workingValue.getBytes());
QSequenceLineRAData latestData = new QSequenceLineRAByteData(newValue.getBytes());
merger.merge(baseData, localData, latestData, null, result);
} catch (IOException e) {
SVNErrorMessage err = SVNErrorMessage.create(SVNErrorCode.IO_ERROR, e.getLocalizedMessage());
SVNErrorManager.error(err, e, SVNLogType.WC);
} finally {
SVNFileUtil.closeFile(result);
}
}
}
String mimeType = null;
if (!isDir && workingProps != null) {
mimeType = workingProps.getStringValue(SVNProperty.MIME_TYPE);
}
SVNMergeFileSet fileSet = new SVNMergeFileSet(adminArea, log, baseFile, workingFile, localPath,
newFile, mergedFile, null, mimeType);
SVNConflictAction action = SVNConflictAction.EDIT;
if (oldValue == null && newValue != null) {
action = SVNConflictAction.ADD;
} else if (oldValue != null && newValue == null) {
action = SVNConflictAction.DELETE;
}
SVNConflictReason reason = SVNConflictReason.EDITED;
if (baseValue != null && workingValue == null) {
reason = SVNConflictReason.DELETED;
} else if (baseValue == null && workingValue != null) {
reason = SVNConflictReason.OBSTRUCTED;
}
SVNConflictDescription description = new SVNConflictDescription(fileSet,
isDir ? SVNNodeKind.DIR : SVNNodeKind.FILE, propName, true, action, reason);
SVNConflictResult result = myConflictCallback.handleConflict(description);
if (result == null) {
SVNErrorMessage err = SVNErrorMessage.create(SVNErrorCode.WC_CONFLICT_RESOLVER_FAILURE,
"Conflict callback violated API: returned no results.");
SVNErrorManager.error(err, SVNLogType.DEFAULT);
}
SVNConflictChoice choice = result.getConflictChoice();
if (choice == SVNConflictChoice.MINE_FULL) {
conflictRemains = false;
} else if (choice == SVNConflictChoice.THEIRS_FULL) {
changeProperty(workingProps, propName, newValue);
conflictRemains = false;
} else if (choice == SVNConflictChoice.BASE) {
changeProperty(workingProps, propName, baseValue);
conflictRemains = false;
} else if (choice == SVNConflictChoice.MERGED) {
if (mergedFile == null && result.getMergedFile() == null) {
SVNErrorMessage err = SVNErrorMessage.create(SVNErrorCode.WC_CONFLICT_RESOLVER_FAILURE,
"Conflict callback violated API: returned no merged file.");
SVNErrorManager.error(err, SVNLogType.DEFAULT);
}
String mergedString = SVNFileUtil.readFile(mergedFile != null ? mergedFile : result.getMergedFile());
changeProperty(workingProps, propName, SVNPropertyValue.create(mergedString));
conflictRemains = false;
}
return conflictRemains;
} finally {
SVNFileUtil.deleteFile(workingFile);
SVNFileUtil.deleteFile(newFile);
SVNFileUtil.deleteFile(baseFile);
SVNFileUtil.deleteFile(mergedFile);
}
}
}