Android Open Source - PuppyFrame Album Parser

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License

The source code is released under:

MIT License

Java Source Code

package com.boztalay.puppyframeuid.persistence;
//  w ww  .  ja v a 2  s.com
import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;

import java.util.Map.Entry;
import java.util.Set;

public class AlbumParser {
  private static final String ID_JSON_KEY = "id";
  private static final String  TITLE_JSON_KEY = "title";
  private static final String THUMBNAIL_PATH_JSON_KEY = "thumbnailPath";
    private static final String IMAGE_PATHS_JSON_KEY = "imagePaths";
    private static final String CACHED_IMAGE_PATHS_JSON_KEY = "cachedImagePaths";
    private static final String IMAGE_PATH_JSON_KEY = "imagePath";
    private static final String CACHED_IMAGE_PATH_JSON_KEY = "cachedImagePath";
  
  public static Album parseFromJsonRepresentation(String jsonRepresentation) {
    try {
      JSONObject albumJson = new JSONObject(jsonRepresentation);
      Album album = new Album(albumJson.getString(ID_JSON_KEY),
                  albumJson.getString(TITLE_JSON_KEY),
                  albumJson.getString(THUMBNAIL_PATH_JSON_KEY));
      
      if(albumJson.has(IMAGE_PATHS_JSON_KEY)) {
        JSONArray imagePathsJson = albumJson.getJSONArray(IMAGE_PATHS_JSON_KEY);
        for(int i = 0; i < imagePathsJson.length(); i++) {
          album.addImagePath(imagePathsJson.getString(i));
        }
      }

            if(albumJson.has(CACHED_IMAGE_PATHS_JSON_KEY)) {
                JSONArray cachedImagePathsJson = albumJson.getJSONArray(CACHED_IMAGE_PATHS_JSON_KEY);
                for(int i = 0; i < cachedImagePathsJson.length(); i++) {
                    JSONObject cachedImagePathJson = cachedImagePathsJson.getJSONObject(i);
                    album.cacheImagePath(cachedImagePathJson.getString(IMAGE_PATH_JSON_KEY),
                                         cachedImagePathJson.getString(CACHED_IMAGE_PATH_JSON_KEY));
                }
            }
      
      return album;
    } catch(JSONException e) {
      e.printStackTrace();
      throw new RuntimeException("There was a problem parsing JSON for an album!");
    }
  }
  
  public static String makeJsonRepresentation(Album album) {
    JSONObject albumJson = new JSONObject();
    
    try {
      albumJson.accumulate(ID_JSON_KEY, album.getId());
      albumJson.accumulate(TITLE_JSON_KEY, album.getTitle());
      albumJson.accumulate(THUMBNAIL_PATH_JSON_KEY, album.getThumbnailPath());
      
      JSONArray imagePathsJson = new JSONArray(album.getImagePaths());
      albumJson.accumulate(IMAGE_PATHS_JSON_KEY, imagePathsJson);

            JSONArray cachedImagePathsJson = new JSONArray();
            Set<Entry<String, String>> cachedImagePathEntries = album.getCachedImagePaths().entrySet();
            for(Entry<String, String> cachedImagePathEntry : cachedImagePathEntries) {
                JSONObject cachedImagePathEntryJson = new JSONObject();
                cachedImagePathEntryJson.accumulate(IMAGE_PATH_JSON_KEY, cachedImagePathEntry.getKey());
                cachedImagePathEntryJson.accumulate(CACHED_IMAGE_PATH_JSON_KEY, cachedImagePathEntry.getValue());
                cachedImagePathsJson.put(cachedImagePathEntryJson);
            }
            albumJson.accumulate(CACHED_IMAGE_PATHS_JSON_KEY, cachedImagePathsJson);

    } catch(JSONException e) {
      e.printStackTrace();
      throw new RuntimeException("There was a problem creating JSON for an album!");
    }
    
    return albumJson.toString();
  }
}

Java Source Code List

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