Android Open Source - AudioReviser Audio Reviser Database Manager

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Back to project page AudioReviser.

License

The source code is released under:

GNU General Public License

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Java Source Code

package com.mooshmoosh.audioreviser.audioreviserbusinesslogic;
import java.util.*;
import java.io.File;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.BufferedReader;
import java.io.BufferedWriter;
//from  www . j a  v a 2 s.  com
/*
 * AudioReviserDatabaseManager.java
 * 
 * Copyright 2014 mooshmoosh <developerwill1@gmail.com>
 * 
 */


public class AudioReviserDatabaseManager {
  private Map<String, Integer> intValues;
  private Map<String,String> stringValues;
  private Map<String,AudioNoteDatabaseEntry> audioNotes;
  private Map<String,AudioChunkDatabaseEntry> chunks;
  
  public AudioReviserDatabaseManager() {
    intValues = new HashMap<String, Integer>();
    stringValues = new HashMap<String,String>();
    //audioNotes = new HashMap<String,AudioNoteDatabaseEntry>();
    //chunks = new HashMap<String,AudioChunkDatabaseEntry>();
  }
  
  public void loadDatabase(String filename) throws Exception{
    BufferedReader br = new BufferedReader(new FileReader(filename));
        String line;
        int breaker;
        while((line = br.readLine()) != null) {
             breaker = line.indexOf(":");
             if(breaker!=-1) {
         if(isNumeric(line.substring(breaker+1))) {
           set(line.substring(0,breaker),Integer.parseInt(line.substring(breaker+1)));
         }
         else {
           set(line.substring(0,breaker),line.substring(breaker+1));
         }
       }
        }
  }
  
  public boolean isNumeric(String str)
  {
    //From StackOverflow user ibrahim-arief. (http://stackoverflow.com/a/7092110)
    for (char c : str.toCharArray())
    {
      if (!Character.isDigit(c)) return false;
    }
    return true;
  }
  
  public void set(String key,Integer value) {
    intValues.put(key,value);
  }
  
  public int valueOf(String key) throws Exception{
    if(intValues.containsKey(key)) {
      return (int) intValues.get(key);
    }
    else throw new Exception("intValues does not contain key:" + key);
  }
  
  public void set(String key,String value) {
    stringValues.put(key,value);
  }
  
  public String get(String key) throws Exception{
    if(stringValues.containsKey(key)) {
      return stringValues.get(key);
    }
    else throw new Exception("stringValues does not contain key:" + key);
  }
  
  public boolean entryExists(String key) {
    return stringValues.containsKey(key) || intValues.containsKey(key);
  }
  
  public String toString() {
    String result="";
    for (Map.Entry<String, Integer> entry : intValues.entrySet()) {
      String key = entry.getKey();
      Integer value = entry.getValue();
      result+=key + ":" + value + "\n";
    }
    for (Map.Entry<String, String> entry : stringValues.entrySet()) {
      String key = entry.getKey();
      String value = entry.getValue();
      result+=key + ":" + value + "\n";
    }
    return result;
  }
  
  public void save(String filename) {
    BufferedWriter writer = null;
    try
    {
      writer = new BufferedWriter( new FileWriter( filename));
      writer.write( this.toString());

    }
    catch ( java.io.IOException e)
    {
    }
    finally
    {
      try
      {
        if ( writer != null)
        writer.close( );
      }
      catch ( java.io.IOException e)
      {
      }
    }
  }
  
  
  public int CurrentChunkToPlay;
  public String NextNoteToPlay;
  public String PreviousNotePlayed;
  public int NextDelayAfterNextFile;
  public int PreviousDelay;
  public int RelaxingMusicPosition;
  
  public int DelayBetweenFiles;
  public int RevisionLevel;

}

Java Source Code List