Android Open Source - SIC Image Writer

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Back to project page SIC.

License

The source code is released under:

MIT License

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Java Source Code

package com.sun.imageloader.core;
//from   w  ww  .  jav a  2 s  .  co m
import java.io.BufferedOutputStream;
import java.io.Closeable;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;

import android.graphics.Bitmap;

import com.sun.imageloader.utils.L;

public class ImageWriter {
  private static final String TAG = ImageWriter.class.getName();
  private static final String THREAD_NAME = Thread.currentThread().getName();
  private File _fileSaveDirectory;

  /**
   * Writes the {@link Bitmap} objects to a specified directory, used later for retrieveing {@link Bitmap} objects without performing
   * a network call.
   * 
   * @param fileSaveDirectory_
   *         {@link File} object containing a references to the write directory
   */
  public ImageWriter(String fileSaveDirectory_) {
    _fileSaveDirectory = new File(fileSaveDirectory_);
  }

  public ImageWriter(File fileSaveDirectory_) {
    _fileSaveDirectory = fileSaveDirectory_;
  }

  /**
   * Write the specified {@link Bitmap} to the directory location
   * 
   * @param imageSettings_
   *         which identifies the image that will be stored on the disk and cached on external storage
   * @param bitmap_
   *         to write to disk
   */
  public void writeBitmapToDisk(ImageSettings imageSettings_, Bitmap bitmap_) {
    File imageFileLocation = new File(_fileSaveDirectory, imageSettings_.getFinalFileName());
    L.v(TAG, THREAD_NAME + ": Attempting to decode and save image file with name: "
        + imageSettings_);

    if (!imageFileLocation.exists()) {
      
      L.v(TAG, THREAD_NAME + " :File doesn't exist, so creating file with path: "
          + imageFileLocation.getAbsolutePath());
      
      boolean createdDir = imageFileLocation.getParentFile().mkdirs();
      
      L.v(TAG, THREAD_NAME + " :Created dir with status: "
          + createdDir);

      if (imageFileLocation.getParentFile().exists()) {
        BufferedOutputStream fileOs = null;
        try {
          L.v(TAG, THREAD_NAME + " :Writing bitmap to disk nao: " + imageSettings_.getFinalFileName());

          fileOs = new BufferedOutputStream(new FileOutputStream(
              imageFileLocation));
          if(bitmap_ != null){
            bitmap_.compress(imageSettings_.getCompressformat(), imageSettings_.getImageQuality(), fileOs);
            fileOs.flush();
          }
        } catch (IOException e) {
          e.printStackTrace();
        } finally {
          closeOutputStream(fileOs);
        }

      }
    } else {
      L.v(TAG, THREAD_NAME + " :File already exsists so not creating new file: "
          + imageSettings_.getFinalFileName());
    }
  }

  private void closeOutputStream(Closeable closeable_) {
    if (closeable_ != null) {
      try {
        closeable_.close();
      } catch (IOException e) {
        e.printStackTrace();
        closeable_ = null;
      }
    }
  }
  
  public File getFileSaveDirectory(){
    return new File(_fileSaveDirectory.getAbsolutePath());
  }
  
  public String getFileSaveDirectoryPath(){
    return _fileSaveDirectory.getAbsolutePath();
  }
}

Java Source Code List