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The source code

/*
 *                 Sun Public License Notice
 *
 * The contents of this file are subject to the Sun Public License
 * Version 1.0 (the "License"). You may not use this file except in
 * compliance with the License. A copy of the License is available at
 * http://www.sun.com/
 *
 * The Original Code is NetBeans. The Initial Developer of the Original
 * Code is Sun Microsystems, Inc. Portions Copyright 1997-2000 Sun
 * Microsystems, Inc. All Rights Reserved.
 */

package org.netbeans.modules.cvsclient.commands.log;

import java.io.File;
import java.util.*;
import org.netbeans.modules.cvsclient.FsCommandFactory;
import org.netbeans.lib.cvsclient.command.log.LogCommand;
import org.netbeans.lib.cvsclient.command.log.LogInformation;
import org.netbeans.modules.javacvs.commands.CvsLog;
/**
 *
 * @author  Milos Kleint
 */
public class LogDisplayer extends org.netbeans.modules.javacvs.events.CommandDisplayerAdapter {

    private CvsLog command;
    private boolean isDir = false;
    private File[] files;
    private LinkedList resultList;
    /** Creates new StatusDisplayer */
    public LogDisplayer(CvsLog comm) {
        command = comm;
    }

    /**
     * this method is called after library's commands execution
     */
    public void showAfterEachExecute() {
        if (isDir) {
            LogTreeInfoPanel treePanel = (LogTreeInfoPanel)FsCommandFactory.findOpenDisplayer(
                    files[0], LogTreeInfoPanel.class, null);
            if (treePanel == null) {
                treePanel = new LogTreeInfoPanel(files[0], command);
            } else {
                treePanel.setCommand(command);
            }
            treePanel.setDataToDisplay(resultList);
            treePanel.displayOutputData();
            resultList = null; // clearing reference..
        }
    }
    
    /**
     * this method is called before any of the library's commands 
     * that is stored in the queue in FileSystemCommand, is run.
     * @param currentCommand shows the command that will be executed.
     */
    public void showBeforeEachExecute(org.netbeans.lib.cvsclient.command.Command currentCommand) {
        LogCommand statCom = (LogCommand)currentCommand;
        resultList = new LinkedList();
        files = statCom.getFiles();
        if (files[0].isDirectory()) {
            isDir = true;
        } else {
            isDir = false;
        }
    }
    
    /**
     * this one is called when the command's execution  fails for any reason.
     */
    public void showExecutionFailed(Exception exception) {
        command = null;
    }
    
    /**
     * When the library command's builder generates a FileInfoContainer object, the
     * Displayer is notified.
     * @param info - the generated information object
     */
    public void showFileInfoGenerated(org.netbeans.lib.cvsclient.command.FileInfoContainer info) {
        if (info == null) return;
        if (isDir) {
            resultList.add(info);
        } else {
           File fl = info.getFile();
           // find or create statusInfoPanel
           LogInfoPanel panel = (LogInfoPanel)FsCommandFactory.findOpenDisplayer(
                                            fl, LogInfoPanel.class, null);
           if (panel == null) {
               panel = new LogInfoPanel(command);
           }
           LogInformation infoSt = (LogInformation)info;
           panel.setData(infoSt);
           panel.displayOutputData();
        }
    }
    
    /**
     * This is the last method to be called in the displayer. 
     * Is called when the execution finishes. Any filan touchups can be made here.
     */
    public void showFinishedCommand() {
        command = null;
    }
    
    /**
     * This method is the first one that is called during execution.
     * Here any initial setup of the displayer can be made.
     */
    public void showStartCommand() {
    }
    
}
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