Android Open Source - com.elsewhat.android.slideshow Slideshow Photo

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License

The source code is released under:

Copyright (C) 2012 Dagfinn Parnas <dagfinn.parnas@gmail.com> Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Sof...

Java Source Code

package com.elsewhat.android.slideshow.api;
/*from w  ww.j  av  a2  s  . c  o m*/
import java.io.File;
import java.io.IOException;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;

import com.elsewhat.android.slideshow.activities.SlideshowActivity;

import android.graphics.drawable.Drawable;
import android.util.Log;

public class SlideshowPhoto implements DownloadableObject{
  protected String title;
  protected String description;
  protected String thumbnail;
  protected String smallPhoto;
  protected String largePhoto;
  protected boolean isPromotion=false;
  protected String fileType=".jpg";
  


  private boolean downloadFailed=false;
  
  public SlideshowPhoto(){
    
  }
  
  public SlideshowPhoto(String title, String description, String thumbnail,
      String smallPhoto, String largePhoto) {
    this.title = title;
    this.description = description;
    this.thumbnail = thumbnail;
    this.smallPhoto = smallPhoto;
    this.largePhoto = largePhoto;
  }
  /**
   * @return the title
   */
  public String getTitle() {
    return title;
  }
  /**
   * @param title the title to set
   */
  public void setTitle(String title) {
    this.title = title;
  }
  /**
   * @return the description
   */
  public String getDescription() {
    return description;
  }
  /**
   * @param description the description to set
   */
  public void setDescription(String description) {
    this.description = description;
  }
  /**
   * @return the thumbnail
   */
  public String getThumbnail() {
    return thumbnail;
  }
  /**
   * @param thumbnail the thumbnail to set
   */
  public void setThumbnail(String thumbnail) {
    this.thumbnail = thumbnail;
  }
  /**
   * @return the smallPhoto
   */
  public String getSmallPhoto() {
    return smallPhoto;
  }
  /**
   * @param smallPhoto the smallPhoto to set
   */
  public void setSmallPhoto(String smallPhoto) {
    this.smallPhoto = smallPhoto;
  }
  /**
   * @return the largePhoto
   */
  public String getLargePhoto() {
    return largePhoto;
  }
  /**
   * @param largePhoto the largePhoto to set
   */
  public void setLargePhoto(String largePhoto) {
    this.largePhoto = largePhoto;
  }
  
  /*public Drawable getLargePhotoDrawable(File folder){
    long startTime = System.currentTimeMillis(); 
    //Drawable retDrawable=  FileUtils.readBitmapFromFile(new File(folder,getFileName()));
    Drawable retDrawable=  FileUtils.readPurgableBitmapFromFile(new File(folder,getFileName()));
    long endTime = System.currentTimeMillis();
    Log.d(SlideshowActivity.LOG_PREFIX, "File IO used " + (endTime - startTime ) + " ms");
    return retDrawable;
  }*/
  
  public Drawable getLargePhotoDrawable(File folder, int maxWidth, int maxHeight)throws IOException{
    long startTime = System.currentTimeMillis(); 
    //Drawable retDrawable=  FileUtils.readBitmapFromFile(new File(folder,getFileName()));


    Drawable retDrawable=  FileUtils.readPurgableBitmapFromFile(new File(folder,getFileName()), maxWidth,maxHeight);
    long endTime = System.currentTimeMillis();
    Log.d(SlideshowActivity.LOG_PREFIX, "File IO used " + (endTime - startTime ) + " ms");
    return retDrawable;
  }
  
  
  
  
  public boolean isCacheExisting(File folder){
    File photoFile = new File(folder, getFileName());
    if(photoFile.exists()){
      return true;
    }else {
      return false;
    }
  }

  /* (non-Javadoc)
   * @see com.elsewhat.smugmug.api.DownloadableObject#getFileName()
   */
  @Override
  public String getFileName() {
    String urlString = getUrlStringForDownload();
    //let's do a MD5 hash and return that
      try {
          // Create MD5 Hash
          MessageDigest digest = java.security.MessageDigest.getInstance("MD5");
          digest.update(urlString.getBytes());
          byte messageDigest[] = digest.digest();
          
          // Create Hex String
          StringBuffer hexString = new StringBuffer();
          for (int i=0; i<messageDigest.length; i++)
              hexString.append(Integer.toHexString(0xFF & messageDigest[i]));
          return hexString.toString()+fileType;
          
      } catch (NoSuchAlgorithmException e) {
        //TODO: This should really  be handled better
          return "error in filehash";
      }
  }

  /* (non-Javadoc)
   * @see com.elsewhat.smugmug.api.DownloadableObject#getUrlStringForDownload()
   */
  @Override
  public String getUrlStringForDownload() {
    return getLargePhoto();
  }

  /* (non-Javadoc)
   * @see com.elsewhat.smugmug.api.DownloadableObject#isDownloadFailed()
   */
  @Override
  public boolean isDownloadFailed() {
    return downloadFailed;
  }

  /* (non-Javadoc)
   * @see com.elsewhat.smugmug.api.DownloadableObject#setDownloadFailed(java.lang.Throwable, java.lang.String)
   */
  @Override
  public void setDownloadFailed(Throwable t, String message) {
    downloadFailed=true;    
  }
  
  /**
   * Indicates that this is a promotional photo, that may be handled differently
   * @return the isPromotion
   */
  public boolean isPromotion() {
    return isPromotion;
  }

  /**
   * @param isPromotion the isPromotion to set
   */
  public void setPromotion(boolean isPromotion) {
    this.isPromotion = isPromotion;
  }
  
  public String toString(){
    return getTitle()+ " - " + getLargePhoto();
  }
  
}

Java Source Code List

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