jBass/src/jbass/AudioFileInformation.java

package jbass;

import anywheresoftware.b4a.BA;
import anywheresoftware.b4a.keywords.DateTime;

@BA.ShortName("MessageInformation")
public class AudioFileInformation {
	private String filename;
	private long size;
	private double lengthseconds;
	private boolean valid;
	private boolean found;
	private boolean playing = false;
	private long startplayingtick = 0;
	private final long KB_threshold = 1024;
	private final long MB_threshold = 1024 * 1024;
	private final long GB_threshold = 1024 * 1024 * 1024;
	
	
	/**
	 * Check if currently being played
	 * @return true if playing
	 */
	public boolean getIsPlaying() {
		return playing;
	}
	
	
	/**
	 * Set playing status
	 * @param value : true if playing
	 */
	public void setIsPlaying(boolean value) {
		playing = value;
		if (playing) {
			startplayingtick = DateTime.getNow();
		} else {
			startplayingtick = -1;
		}
	}
	
	/**
	 * Get Playback duration since IsPlaying is set true
	 * @return seconds of playback
	 */
	public int getPlaybackDuration() {
		if (startplayingtick==-1) {
			return -1;
		} else {
			return  (int)((DateTime.getNow() - startplayingtick)/DateTime.TicksPerSecond);
		}
	}
	
	/**
	 * Get Playback duration since IsPlaying is set true
	 * @return duration of playback in String
	 */
	public String getPlaybackDurationInString() {
		int xx = getPlaybackDuration();
		if (xx<0) {
			return "N/A";
		} else if (xx<60) {
			return xx+" sec";
		} else if (xx<3600) {
			int mm = xx / 60;
			int ss = xx - (mm*60);
			return mm+"min "+ss+"sec";
		} else {
			int hh = xx / 3600;
			xx = xx - (hh*3600);
			int mm = xx / 60;
			int ss = xx - (mm*60);
			return hh+"h "+mm+"m "+ss+"s";
			
		}
		
	}
	
	
	/**
	 * Get File size in bytes
	 * @return file size in bytes
	 */
	public long getSizeInBytes() {
		return size;
	}
	
	
	/**
	 * Set File Size in bytes
	 * @param value : file size in bytes
	 */
	public void setSizeInBytes(long value) {
		size = value;
	}
	
	/**
	 * Get File Size in readable string
	 * @return file size in readable string
	 */
	public String getSizeinString() {
		if (valid) {
			if (size<KB_threshold) {
				return size+" B";
			} else if (size<MB_threshold) {
				double vv = (double)size / KB_threshold;
				vv = Math.round(vv * 10.0) / 10.0;		// 1 desimal 
				return vv+" KB";
			} else if (size<GB_threshold) {
				double vv = (double)size / MB_threshold;
				vv = Math.round(vv*10.0)/ 10.0;		// 1 desimal
				return vv+" MB";
			} else {
				double vv = (double)size/ GB_threshold;
				vv = Math.round(vv*10.0) / 10.0;		// 1 desimal
				return vv+" GB";
			}
		} else return "N/A";
	}
	
	
	/**
	 * Get File length in seconds
	 * @return audio file duration in seconds
	 */
	public double getLengthInSeconds() {
		return lengthseconds;
	}
	
	
	/**
	 * Set File length in seconds
	 * @param value : file duration in seconds
	 */
	public void setLengthInSeconds(double value) {
		lengthseconds = value;
	}
	
	/**
	 * Get File length in seconds in readable string
	 * @return audio file duration in readable string
	 */
	public String getLengthinString() {
		if (valid) {
			int sec = (int)lengthseconds;
			if (sec < 60) {
				return sec+" sec";
			} else if (sec < 3600) {
				int mm = (int)sec  / 60;
				int ss = (int)sec - (mm*60);
				return mm+" min "+ss+" sec";
			} else {
				int hh = sec / 3600;
				sec = sec - (hh*3600);
				int mm = sec / 60;
				int ss = sec - (mm*60);
				return hh+"h "+mm+"m "+ss+"s";
			}
		} else return "N/A";
	}
	
	
	
	
	/**
	 * Get Filepath assigned
	 * @return filename or N/A if not assigned
	 */
	public String getFilePath() {
		if (valid) {
			
			return filename;			
		} else return "N/A"; 
	}
	
	
	/**
	 * Set Filepath 
	 * @param value : filepath assigned
	 */
	public void setFilePath(String value) {
		filename = value;
		
	}
	
	/**
	 * Check if this file is a valid audio file and can be played
	 * @return true if valid audio file
	 */
	public boolean getIsValid() {
		return valid;
	}
	
	
	/**
	 * Set audio file validity
	 * @param value : true if valid
	 */
	public void setIsValid(boolean value) {
		valid = value;
	}
	
	/**
	 * Check if this file path is found
	 * @return true if found
	 */
	public boolean getIsFound() {
		return found;
	}
	
	
	/**
	 * Set audio file found 
	 * @param value
	 */
	public void setIsFound(boolean value) {
		found = value;
	}
	
	/**
	 * Return summary in string
	 * @return PATH:[filepath or N/A];VALID:[YES or NO];SIZE:[size in bytes];LENGTH:[length in seconds]
	 */
	public String toString() {
		StringBuilder str = new StringBuilder();
		str.append("PATH:").append((filename.isEmpty())?"N/A":filename).append(";");
		str.append("VALID:").append((valid) ? "YES":"NO").append(";");
		str.append("SIZE:").append(getSizeinString()).append(";");
		str.append("LENGTH:").append(getLengthinString());
		
		return str.toString();
	}
	
}