/*
* Copyright 2000-2009 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 com.intellij.cvsSupport2.cvsoperations.common;
import com.intellij.cvsSupport2.application.CvsEntriesManager;
import com.intellij.openapi.vfs.VirtualFile;
import org.netbeans.lib.cvsclient.admin.Entry;
import org.netbeans.lib.cvsclient.event.IMessageListener;
import org.netbeans.lib.cvsclient.file.ICvsFileSystem;
import org.jetbrains.annotations.NonNls;
import org.jetbrains.annotations.Nullable;
import java.io.File;
import java.util.*;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
/**
* author: lesya
*/
public class UpdatedFilesManager implements IMessageListener {
@NonNls private final static Pattern MERGE_PATTERN = Pattern.compile("(cvs server: revision )(.*)( from repository is now in )(.*)");
@NonNls private final static Pattern MERGING_DIFFERENCES_PATTERN = Pattern.compile("(Merging differences between )(.*)( and )(.*)( into )(.*)");
@NonNls private final static String MERGED_FILE_MESSAGE_PREFIX = "RCS file: ";
@NonNls private final static String MERGED_FILE_MESSAGE_POSTFIX = ",v";
private final Map<File, CurrentMergedFileInfo> myMergedFiles = new HashMap<>();
private final Set<File> myCreatedBySecondParty = new HashSet<>();
private ICvsFileSystem myCvsFileSystem;
@NonNls private static final String CREATED_BY_SECOND_PARTY_PREFIX = "cvs server: conflict: ";
@NonNls private static final String CREATED_BY_SECOND_PARTY_POSTFIX1 = " created independently by second party";
@NonNls private static final String CREATED_BY_SECOND_PARTY_POSTFIX2 = " has been added, but already exists";
private CurrentMergedFileInfo myCurrentMergedFile;
private final Collection<Entry> myNewlyCreatedEntries = new HashSet<>();
private final Collection<File> myNonUpdatedFiles = new HashSet<>();
public static class CurrentMergedFileInfo {
private final List<String> myRevisions = new ArrayList<>();
private Entry myCurrentRevision;
public void addRevisions(final String firstRevision, final String secondRevision) {
addRevision(firstRevision);
addRevision(secondRevision);
}
private void addRevision(final String firstRevision) {
if (!myRevisions.contains(firstRevision)) {
myRevisions.add(firstRevision);
}
}
public List<String> getRevisions() {
return myRevisions;
}
public void registerNewRevision(Entry previousEntry) {
if (myCurrentRevision == null) {
myCurrentRevision = previousEntry;
}
}
public Entry getOriginalEntry() {
return myCurrentRevision;
}
}
public void setCvsFileSystem(ICvsFileSystem cvsFileSystem) {
myCvsFileSystem = cvsFileSystem;
}
public void messageSent(String message, final byte[] byteMessage, boolean error, boolean tagged) {
if (message.startsWith(MERGED_FILE_MESSAGE_PREFIX)) {
String pathInRepository = message.substring(MERGED_FILE_MESSAGE_PREFIX.length(),
message.length()
-
MERGED_FILE_MESSAGE_POSTFIX.length());
String relativeRepositoryPath = myCvsFileSystem.getRelativeRepositoryPath(normalizePath(pathInRepository));
final File file = myCvsFileSystem.getLocalFileSystem().getFile(removeModuleNameFrom(relativeRepositoryPath));
ensureFileIsInMap(file);
myCurrentMergedFile = myMergedFiles.get(file);
}
else if (message.startsWith(CREATED_BY_SECOND_PARTY_PREFIX)) {
processMessageWithPostfix(message, CREATED_BY_SECOND_PARTY_POSTFIX1);
processMessageWithPostfix(message, CREATED_BY_SECOND_PARTY_POSTFIX2);
}
else if (MERGE_PATTERN.matcher(message).matches()) {
Matcher matcher = MERGE_PATTERN.matcher(message);
if (matcher.matches()) {
String relativeFileName = matcher.group(4);
File file = myCvsFileSystem.getLocalFileSystem().getFile(relativeFileName);
ensureFileIsInMap(file);
}
}
else if (MERGING_DIFFERENCES_PATTERN.matcher(message).matches()) {
Matcher matcher = MERGING_DIFFERENCES_PATTERN.matcher(message);
if (matcher.matches()) {
String firstRevision = matcher.group(2);
String secondRevision = matcher.group(4);
myCurrentMergedFile.addRevisions(firstRevision, secondRevision);
}
}
}
private static String normalizePath(final String pathInRepository) {
return pathInRepository.replace(File.separatorChar, '/');
}
private void processMessageWithPostfix(final String message, final String postfix) {
if (message.endsWith(postfix)) {
String pathInRepository = message.substring(CREATED_BY_SECOND_PARTY_PREFIX.length(),
message.length()
-
postfix.length());
File ioFile = myCvsFileSystem.getLocalFileSystem().getFile(pathInRepository);
myCreatedBySecondParty.add(ioFile);
}
}
private void ensureFileIsInMap(final File file) {
if (!myMergedFiles.containsKey(file)) {
myMergedFiles.put(file, new CurrentMergedFileInfo());
}
}
private static String removeModuleNameFrom(String relativeRepositoryPath) {
String moduleName = getModuleNameFor(relativeRepositoryPath);
if (moduleName == null) return relativeRepositoryPath;
return relativeRepositoryPath.substring(moduleName.length() + 1);
}
@Nullable
private static String getModuleNameFor(String relativeRepositoryPath) {
File file = new File(relativeRepositoryPath);
if (file.getParentFile() == null) return null;
while (file.getParentFile() != null) file = file.getParentFile();
return file.getName();
}
public boolean isMerged(File file) {
return myMergedFiles.containsKey(file);
}
public boolean isCreatedBySecondParty(File file) {
return myCreatedBySecondParty.contains(file);
}
public CurrentMergedFileInfo getInfo(File file) {
if (myMergedFiles.containsKey(file)) {
return myMergedFiles.get(file);
}
else {
return new CurrentMergedFileInfo();
}
}
public boolean isNewlyCreatedEntryFor(VirtualFile parent, String name) {
Entry entry = CvsEntriesManager.getInstance().getEntryFor(parent, name);
if (entry == null) return true;
if (entry.getConflictStringWithoutConflict().equals(Entry.DUMMY_TIMESTAMP)) return true;
return myNewlyCreatedEntries.contains(entry);
}
public void addNewlyCreatedEntry(Entry entry) {
myNewlyCreatedEntries.add(entry);
}
public void couldNotUpdateFile(File file) {
myMergedFiles.remove(file);
myNonUpdatedFiles.add(file);
}
public boolean fileIsNotUpdated(File file) {
return myNonUpdatedFiles.contains(file);
}
public void binaryMessageSent(final byte[] bytes) {
}
}