com.avos.avoscloud.im.v2.messages.AVIMFileMessageAccessor Maven / Gradle / Ivy

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package com.avos.avoscloud.im.v2.messages;

import android.graphics.BitmapFactory;
import android.media.MediaMetadataRetriever;
import android.webkit.MimeTypeMap;

import com.avos.avoscloud.SaveCallback;

import java.io.File;
import java.util.HashMap;
import java.util.Map;

/**
 * Created by lbt05 on 1/27/15.
 */
public class AVIMFileMessageAccessor {
  public static void upload(AVIMFileMessage message, SaveCallback callback) {
    message.upload(callback);
  }

  public static Map mediaInfo(File file) {
    Map meta = new HashMap();

    try {
      MediaMetadataRetriever retriever = new MediaMetadataRetriever();
      retriever.setDataSource(file.getAbsolutePath());

      String durationString = retriever.extractMetadata(MediaMetadataRetriever.METADATA_KEY_DURATION);
      String format = getMimeType(file.getAbsolutePath());
      double duration = Long.parseLong(durationString) / 1000.0d;

      meta.put(AVIMFileMessage.FORMAT, format);
      meta.put(AVIMFileMessage.DURATION, duration);
    } catch (Exception e) {
      meta.put(AVIMFileMessage.DURATION, 0l);
      meta.put(AVIMFileMessage.FORMAT, "");
    }

    return meta;
  }

  public static String getMimeType(String url)
  {
    String type = null;
    String extension = MimeTypeMap.getFileExtensionFromUrl(url);
    if (extension != null) {
      MimeTypeMap mime = MimeTypeMap.getSingleton();
      type = mime.getMimeTypeFromExtension(extension);
    }
    return type;
  }

  public static Map getImageMeta(File file) {
    BitmapFactory.Options options = new BitmapFactory.Options();
    options.inJustDecodeBounds = true;

    // Returns null, sizes are in the options variable
    BitmapFactory.decodeFile(file.getAbsolutePath(), options);
    int width = options.outWidth;
    int height = options.outHeight;
    // If you want, the MIME type will also be decoded (if possible)
    String type = options.outMimeType;
    Map meta = new HashMap();
    meta.put(AVIMFileMessage.FORMAT, type);
    meta.put(AVIMImageMessage.IMAGE_WIDTH, width);
    meta.put(AVIMImageMessage.IMAGE_HEIGHT, height);
    return meta;
  }
}