net.sf.zekr.common.commandline.CleanCommandHandler.java Source code

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Here is the source code for net.sf.zekr.common.commandline.CleanCommandHandler.java

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/*
 *               In the name of Allah
 * This file is part of The Zekr Project. Use is subject to
 * license terms.
 *
 * Author:         Mohsen Saboorian
 * Start Date:     Jul 16, 2007
 */
package net.sf.zekr.common.commandline;

import java.io.File;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import java.util.StringTokenizer;

import net.sf.zekr.common.config.ApplicationPath;
import net.sf.zekr.common.runtime.Naming;

import org.apache.commons.io.FileUtils;

/**
 * Class for handling clean (<tt>-clean</tt>) command.
 * 
 * @author Mohsen Saboorian
 */
public class CleanCommandHandler extends CommandHandler {

    public CleanCommandHandler(String command, String[] options) {
        this.command = command;
        this.options = options;
    }

    public void execute() throws CommandException {
        if (options.length <= 0)
            throw new CommandException("No clean target specified. "
                    + "Enter either `view-cache', `playlist-cache', `config', `index-me', `index-all',"
                    + " `all' (for cleaning all the targets), or a combination of cleaning targets separated with comma.");
        String targets = options[0];
        StringTokenizer st = new StringTokenizer(targets, ",");
        List<String> delList = new ArrayList<String>();
        while (st.hasMoreTokens()) {
            String target = st.nextToken();
            if (target.trim().equals("view-cache")) {
                delList.add(Naming.getViewCacheDir());
            } else if (target.trim().equals("playlist-cache")) {
                delList.add(Naming.getAudioCacheDir());
            } else if (target.trim().equals("config")) {
                delList.add(Naming.getConfigDir());
            } else if (target.trim().equals("index-me")) {
                delList.add(Naming.getQuranIndexDir());
            } else if (target.trim().equals("index-all")) {
                delList.add(ApplicationPath.QURAN_INDEX_DIR);
            } else if (target.trim().equals("all")) {
                delList.add(Naming.getViewCacheDir());
                delList.add(Naming.getAudioCacheDir());
                delList.add(Naming.getConfigDir());
                delList.add(Naming.getQuranIndexDir());
                delList.add(ApplicationPath.QURAN_INDEX_DIR);
            } else {
                throw new CommandException("Invalid clean target: " + target);
            }
        }

        for (Iterator<String> iter = delList.iterator(); iter.hasNext();) {
            String path = iter.next();
            try {
                File f = new File(path);
                stdout.print("-> Deleting \"" + path + "\"");
                if (!f.exists()) {
                    stdout.println(" failed. Path does not exist!");
                    continue;
                }
                FileUtils.deleteDirectory(f);
                stdout.println(" done.");
            } catch (IOException e) {
                throw new CommandException("Cleaning error: " + e);
            }
        }
    }

    @Override
    public boolean isSingle() {
        return false;
    }

}