Utilities.java

/*
 	ApicAday - Everyday.. is different, your mood, your life. 
 	Copyright (c) 2010 
 		Oliver Selinger <oliver.selinger@autburst.com>,
 		Michael Greifeneder <michael.greifeneder@autburst.com> 
 
    This program 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.

    This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
*/
package com.autburst.picture;

import java.io.File;
import java.io.FileFilter;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Comparator;
import java.util.List;

import org.apache.commons.codec.binary.Base64;

import android.os.Environment;

public class Utilities {

	public static final String NAME = "com.autburst.picture";
	public static final String MUSIC = "com.autburst.picture.music";
	public static final String PIC_STORE = "com.autburst.picture.store";
	
	public static final String PORTRAIT = "portrait";
	public static final String LANDSCAPE = "landscape";
	
	public static final int MSG_FINISHED_UPLOADING = 0;
	public static final int MSG_ERROR_UPLOADING = 1;
	public static final int MSG_FINISHED_PIC_SAVING = 2;
	public static final int MSG_OPEN_CREATE_DIALOG = 3;
	
	public static final float SLOW_FRAME_RATE = 1.2F;
	public static final float MEDIUM_FRAME_RATE = 0.8F;
	public static final float FAST_FRAME_RATE = 0.4F;
	
	public static String getMusicFilePath() {
		File file = new File(Environment.getExternalStorageDirectory(), MUSIC);
		if(!file.exists())
			file.mkdirs();
		
		return file.getAbsolutePath() + "test.mp3";
	}
	
	public static File getAlbumsDirectory() {
		File file = new File(Environment.getExternalStorageDirectory(), NAME);
		if(!file.exists())
			file.mkdirs();
		return file;
	}
	
	public static String[] getAlbums() {
		File file = getAlbumsDirectory();
		String[] list = file.list();
		return list;
	}
	
	public static Comparator<String> getAlbumNameComparator() {
		return new Comparator<String>() {
			@Override
			public int compare(String arg0, String arg1) {
				String decodeName0 = new String(Base64.decodeBase64(arg0.getBytes()));
				String decodeName1 = new String(Base64.decodeBase64(arg1.getBytes()));
				return decodeName0.compareTo(decodeName1);
			} 
		};
	}
	
	public static Comparator<File> getImageNameComparator() {
		return new Comparator<File>() {
			@Override
			public int compare(File arg0, File arg1) {
				String filename0 = arg0.getName();
				String filename1 = arg1.getName();
				return filename0.compareTo(filename1);
			} 
		};
	}
	
	public static boolean existsAlbumName(String name) {
		File file = getAlbumsDirectory();
		String[] list = file.list();
		
		for (String file2 : list) {
			if(file2.equals(name))
				return true;
		}
		
		return false;
	}
	
	public static boolean hasAlbums() {
		File file = getAlbumsDirectory();
		File[] list = file.listFiles();
		if(list != null && list.length > 0)
			return true;
		else 
			return false;
	}
	
	public static boolean hasAnyAlbumPics() {
		File file = getAlbumsDirectory();
		File[] list = file.listFiles();
		if (list == null) return false;
		for (File file2 : list) {
			if(file2.listFiles(new FileFilter() {
				
				@Override
				public boolean accept(File arg0) {
					String name = arg0.getName();
					if(name.endsWith(".jpg") || name.endsWith(".JPG") )
						return true;
					else
						return false;
				}
			}).length > 0)
				return true;
		}
		
		return false;
	}
	
	public static List<String> getAlbumsAsList() {
		List<String> albums = new ArrayList<String>();
		
		File file = getAlbumsDirectory();
		String[] list = file.list();
		if (list == null) {
			return albums;
		}
		for (int i = 0; i < list.length; i++) {
			albums.add(list[i]);
		}
		return albums;
	}
	
	public static String getEncodedString(String toEncode) {
		return new String(Base64.encodeBase64(toEncode.getBytes()));
	}
	
	public static String[] getAlbumsDecoded() {
		File file = getAlbumsDirectory();
		String[] list = file.list();
		for (int i = 0; i < list.length; i++) {
			list[i] = new String(Base64.decodeBase64(list[i].getBytes()));
		}
		
		if (list.length > 1) {
			Arrays.sort(list);
		}
		return list;
	}
	
	public static File getAlbumDirectory(String albumName) {
		File file = new File(Environment.getExternalStorageDirectory(), NAME);
		File albumDir = new File(file, albumName);
		if(!albumDir.exists())
			albumDir.mkdirs();
		return albumDir;
	}
	
}