/*
* (c) Copyright 2010-2011 AgileBirds
*
* This file is part of OpenFlexo.
*
* OpenFlexo is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* OpenFlexo is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with OpenFlexo. If not, see <http://www.gnu.org/licenses/>.
*
*/
package org.netbeans.lib.cvsclient.command.unedit;
import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.EOFException;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import org.netbeans.lib.cvsclient.ClientServices;
import org.netbeans.lib.cvsclient.admin.Entry;
import org.netbeans.lib.cvsclient.command.BasicCommand;
import org.netbeans.lib.cvsclient.command.CommandException;
import org.netbeans.lib.cvsclient.command.Watch;
import org.netbeans.lib.cvsclient.command.edit.EditCommand;
import org.netbeans.lib.cvsclient.connection.AuthenticationException;
import org.netbeans.lib.cvsclient.event.EventManager;
import org.netbeans.lib.cvsclient.event.TerminationEvent;
import org.netbeans.lib.cvsclient.file.FileUtils;
import org.netbeans.lib.cvsclient.request.CommandRequest;
import org.netbeans.lib.cvsclient.request.NotifyRequest;
/**
* @author Thomas Singer
*/
public class UneditCommand extends BasicCommand {
private Watch temporaryWatch;
/**
* Construct a new editors command.
*/
public UneditCommand() {
resetCVSCommand();
}
/**
* Execute the command.
*
* @param client
* the client services object that provides any necessary services to this command, including the ability to actually process
* all the requests.
*/
@Override
public void execute(ClientServices clientServices, EventManager eventManager) throws CommandException, AuthenticationException {
clientServices.ensureConnection();
try {
super.execute(clientServices, eventManager);
addRequestForWorkingDirectory(clientServices);
addRequest(CommandRequest.NOOP);
clientServices.processRequests(requests);
} catch (CommandException ex) {
throw ex;
} catch (EOFException ex) {
throw new CommandException(ex, CommandException.getLocalMessage("CommandException.EndOfFile", null)); // NOI18N
} catch (Exception ex) {
throw new CommandException(ex, ex.getLocalizedMessage());
} finally {
requests.clear();
}
}
@Override
protected void addRequestForFile(File file, Entry entry) {
String temporaryWatch = Watch.getWatchString(getTemporaryWatch());
requests.add(new NotifyRequest(file, "U", temporaryWatch)); // NOI18N
try {
uneditFile(file);
} catch (IOException ex) {
// ignore
}
}
/**
* Called when server responses with "ok" or "error", (when the command finishes).
*/
@Override
public void commandTerminated(TerminationEvent e) {
if (builder != null) {
builder.outputDone();
}
}
/**
* This method returns how the tag command would looklike when typed on the command line.
*/
@Override
public String getCVSCommand() {
StringBuffer cvsCommandLine = new StringBuffer("unedit "); // NOI18N
cvsCommandLine.append(getCVSArguments());
appendFileArguments(cvsCommandLine);
return cvsCommandLine.toString();
}
/**
* Takes the arguments and sets the command. To be mainly used for automatic settings (like parsing the .cvsrc file)
*
* @return true if the option (switch) was recognized and set
*/
@Override
public boolean setCVSCommand(char opt, String optArg) {
if (opt == 'R') {
setRecursive(true);
} else if (opt == 'l') {
setRecursive(false);
} else {
return false;
}
return true;
}
/**
* String returned by this method defines which options are available for this command.
*/
@Override
public String getOptString() {
return "Rl"; // NOI18N
}
/**
* Resets all switches in the command. After calling this method, the command should have no switches defined and should behave
* defaultly.
*/
@Override
public void resetCVSCommand() {
setRecursive(true);
}
/**
* Returns the arguments of the command in the command-line style. Similar to getCVSCommand() however without the files and command's
* name
*/
@Override
public String getCVSArguments() {
StringBuffer cvsArguments = new StringBuffer();
if (!isRecursive()) {
cvsArguments.append("-l "); // NOI18N
}
return cvsArguments.toString();
}
/**
* Returns the temporary watch.
*/
public Watch getTemporaryWatch() {
return temporaryWatch;
}
/**
* Sets the temporary watch.
*/
public void setTemporaryWatch(Watch temporaryWatch) {
this.temporaryWatch = temporaryWatch;
}
private void uneditFile(File file) throws IOException {
removeBaserevEntry(file);
EditCommand.getEditBackupFile(file).delete();
FileUtils.setFileReadOnly(file, true);
}
private void removeBaserevEntry(File file) throws IOException {
File baserevFile = new File(file.getParentFile(), "CVS/Baserev"); // NOI18N
File backupFile = new File(baserevFile.getAbsolutePath() + '~');
BufferedReader reader = null;
BufferedWriter writer = null;
final String entryStart = 'B' + file.getName() + '/';
try {
writer = new BufferedWriter(new FileWriter(backupFile));
reader = new BufferedReader(new FileReader(baserevFile));
for (String line = reader.readLine(); line != null; line = reader.readLine()) {
if (line.startsWith(entryStart)) {
continue;
}
writer.write(line);
writer.newLine();
}
} catch (FileNotFoundException ex) {
// ignore
} finally {
if (writer != null) {
try {
writer.close();
} catch (IOException ex) {
// ignore
}
}
if (reader != null) {
try {
reader.close();
} catch (IOException ex) {
// ignore
}
}
}
baserevFile.delete();
if (backupFile.length() > 0) {
backupFile.renameTo(baserevFile);
} else {
backupFile.delete();
}
}
}