/*
* Copyright (c) 2011 Google Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
* in compliance with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software distributed under the License
* is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
* or implied. See the License for the specific language governing permissions and limitations under
* the License.
*/
package io.uploader.drive.drive.media;
import java.io.IOException;
/**
* An interface for receiving progress notifications for uploads.
*
* <p>
* Sample usage (if media content length is provided, else consider using
* {@link MediaHttpUploader#getNumBytesUploaded} instead of {@link MediaHttpUploader#getProgress}:
* </p>
*
* <pre>
public static class MyUploadProgressListener implements MediaHttpUploaderProgressListener {
public void progressChanged(MediaHttpUploader uploader) throws IOException {
switch (uploader.getUploadState()) {
case INITIATION_STARTED:
System.out.println("Initiation Started");
break;
case INITIATION_COMPLETE:
System.out.println("Initiation Completed");
break;
case MEDIA_IN_PROGRESS:
System.out.println("Upload in progress");
System.out.println("Upload percentage: " + uploader.getProgress());
break;
case MEDIA_COMPLETE:
System.out.println("Upload Completed!");
break;
}
}
}
* </pre>
*
* @since 1.9
* @author rmistry@google.com (Ravi Mistry)
*/
public interface MediaHttpUploaderProgressListener {
/**
* Called to notify that progress has been changed.
*
* <p>
* This method is called once before and after the initiation request. For media uploads it is
* called multiple times depending on how many chunks are uploaded. Once the upload completes it
* is called one final time.
* </p>
*
* <p>
* The upload state can be queried by calling {@link MediaHttpUploader#getUploadState} and the
* progress by calling {@link MediaHttpUploader#getProgress}.
* </p>
*
* @param uploader Media HTTP uploader
*/
public void progressChanged(MediaHttpUploader uploader) throws IOException;
}