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package org.netbeans.lib.cvsclient.command.importcmd;

import java.io.*;

import org.netbeans.lib.cvsclient.command.*;
import org.netbeans.lib.cvsclient.event.*;

/**
 * @author  Thomas Singer
 */
public class ImportBuilder
        implements Builder {

    private static final String NO_CONFLICTS = "No conflicts created by this import"; //NOI18N
    private static final String FILE_INFOS = "NUCIL?"; //NOI18N

    private final EventManager eventManager;
    private final String localPath;
    private final String module;

    private DefaultFileInfoContainer fileInfoContainer;

    public ImportBuilder(EventManager eventManager, ImportCommand importCommand) {
        this.eventManager = eventManager;

        this.localPath = importCommand.getLocalDirectory();
        this.module = importCommand.getModule();
    }

    public void outputDone() {
        if (fileInfoContainer == null) {
            return;
        }

        FileInfoEvent event = new FileInfoEvent(this, fileInfoContainer);
        eventManager.fireCVSEvent(event);

        fileInfoContainer = null;
    }

    public void parseLine(String line, boolean isErrorMessage) {
        if (line.length() > 2 && line.charAt(1) == ' ') {
            String firstChar = line.substring(0, 1);
            if (FILE_INFOS.indexOf(firstChar) >= 0) {
                String filename = line.substring(2).trim();
                processFile(firstChar, filename);
            }
            else {
                error(line);
            }
        }
        else if (line.startsWith(NO_CONFLICTS)) {
            outputDone();
        }
    }

    public void parseEnhancedMessage(String key, Object value) {
    }

    private void error(String line) {
        System.err.println("Don't know anything about: " + line);
    }

    private void processFile(String type, String filename) {
        outputDone();

        filename = filename.substring(module.length());
        File file = new File(localPath, filename);

        fileInfoContainer = new DefaultFileInfoContainer();
        fileInfoContainer.setType(type);
        fileInfoContainer.setFile(file);

        outputDone();
    }
}
