public class CVSClient { /** Cvs clinet instance used to communicate with cvs server */ private Client cvsclient; /** Cvs connect string */ private CVSRoot cvsroot; /** Connection instance to keep connect with cvs server */ private Connection connection; /** Global options to store the requied parameter for cvs server */ private GlobalOptions globalOptions; /** The local path on ur local machine */ private String localPath; /** * Inner class extend CVSAdapter

*

used to get and send message of the CVS server

* */ class BasicListener extends CVSAdapter {  /**  * Stores a tagged line  */  private final StringBuffer taggedLine = new StringBuffer();  /**  * Called when the server wants to send a message to be displayed to the  * user. The message is only for information purposes and clients can  * choose to ignore these messages if they wish.  *    * @param e  *            the event  */  public void messageSent(MessageEvent e) {  String line = e.getMessage();  PrintStream stream = e.isError() ? System.err : System.out;  if (e.isTagged()) {    String message = MessageEvent.parseTaggedMessage(taggedLine,      "Daniel Six");    // if we get back a non-null line, we have something    // to output. Otherwise, there is more to come and we    // should do nothing yet.    if (message != null) {    stream.println(message);    }  } else {    stream.println(line);  }  } }    /**    * Default constructor allows to construct CVSRoot from Properties object.    * The names are exactly the same as the attribute names in this class.    */ public CVSClient() { }    /**    * Breaks the string representation of CVSClient into it's components:    *    * The valid format (from the cederqvist) is:    *    * :method:[[user][:password]@]hostname[:[port]]/path/to/repository    *    * e.g. :pserver;username=anonymous;hostname=localhost:/path/to/repository    */  public CVSClient(String connectionString) {  cvsroot = CVSRoot.parse(connectionString); } /**  * Get the localPath  * @return localPath the local path to get project from the CVS server  * */ public String getLocalPath() {  return localPath; } /**  * Set the localPath  *  * */ public void setLocalPath(String localPath) {  this.localPath = localPath; }  /**  * Parse the CVSROOT string into CVSRoot object.  *      * The valid format (from the cederqvist) is:    *    * :method:[[user][:password]@]hostname[:[port]]/path/to/repository    *    * e.g. :pserver;username=anonymous;hostname=localhost:/path/to/repository  */ public void createConnection(String connectionString) {  cvsroot = CVSRoot.parse(connectionString); } /**  * Open connection to the cvs server

*  * @return connection to cvs server  * @throws AuthenticationException  * @throws CommandAbortedException  */ public Connection openConnection() throws AuthenticationException,  CommandAbortedException {  connection = ConnectionFactory.getConnection(cvsroot);  connection.open();  return connection; }  /**  * Close connection to the cvs server

* */ public void closeConnection() throws IOException{  connection.close(); }  /**  *

Excute cvs command

*  * @param command to be excute by the cliet  * @throws AuthenticationException  * @throws CommandAbortedException  * @throws IOException  * @throws CommandException  */ public void excute(Command command) throws AuthenticationException,  CommandAbortedException, IOException, CommandException {  cvsclient = new Client(connection, new StandardAdminHandler());  cvsclient.setLocalPath(localPath);  globalOptions = new GlobalOptions();  globalOptions.setCVSRoot("d:/client/java");  cvsclient.getEventManager().addCVSListener(new BasicListener());  //put the command to the console  System.out.println("***Command***"+command.getCVSCommand());  cvsclient.executeCommand(command, globalOptions); } /**  *

Called when need add files

* @param files that indicate to be added  * @return command of add files  */ public Command add(String[] files) {  AddCommand command = new AddCommand();  command.setBuilder(null);  for (int i = 0; i < files.length; i++) {  command.setFiles(new File[] { new File(files[i]) });  }  return command; } /**  * Called when need commit all files under the local path  * @return command command of commit files  */ public Command commit() {  CommitCommand command = new CommitCommand();  command.setBuilder(null);  command.setForceCommit(true);  command.setRecursive(true);  return command; } /**  * Called when need commit files  * @param files need to be commit  * @return command command of commit files  * */ public Command commit(String[] files) {  CommitCommand command = new CommitCommand();  for (int i = 0; i < files.length; i++) {  command.setFiles(new File[] { new File(files[i])});  }  command.setBuilder(null);  command.setForceCommit(true);  command.setRecursive(true);  return command; } /**  * Called when need update the certain files  * @param files need to be update  * @return command command of update files and directoris  * */ public Command update(String[] files) {  UpdateCommand command = new UpdateCommand();  //fetch files from the array  for (int i = 0; i < files.length; i++) {  command.setFiles(new File[] { new File(files[i]) });  }  command.setBuilder(null);  command.setRecursive(true);  command.setBuildDirectories(true);  command.setPruneDirectories(true);  return command; } /**  * Called to show the history list since given date  * @param date Date of the history  *@return command command show history list  * */ public Command historysincedate(String date){  HistoryCommand command=new HistoryCommand();  //Format is yyyymmdd e.g 20070205  command.setSinceDate(date);  return command; }  /**  *Called to show the history list since given version  *@param reversion reversion of the history  *@return command command show history list  **/ public Command historysincerRevision(String reversion){  //Init command  HistoryCommand command=new HistoryCommand();  //set parameters  command.setSinceRevision(reversion);  return command; }  /**  * Called to show the different between two versions  * @param files the files to compare with  * @param revision1 one revision  * @param revision2 another revision  * @return  * */ public Command diffbyreveision(String[] files,String revision1,String revision2){  //Inite command  DiffCommand command=new DiffCommand();  //Set parameters  for(int i=0;i