DownloadActivity.java
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package com.cnlive.demo.rdupload;
import java.io.File;
import java.io.IOException;
import java.io.UnsupportedEncodingException;
import java.util.ArrayList;
import java.util.Date;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;
import org.apache.http.Header;
import org.apache.http.HttpResponse;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.entity.StringEntity;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.util.EntityUtils;
import org.json.JSONException;
import org.json.JSONObject;
import android.annotation.SuppressLint;
import android.app.Activity;
import android.content.Context;
import android.graphics.drawable.Drawable;
import android.os.Bundle;
import android.os.Environment;
import android.os.Handler;
import android.os.Message;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.BaseAdapter;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.widget.ListView;
import android.widget.ProgressBar;
import android.widget.TextView;
import android.widget.Toast;
import com.cnlive.lib.rdupload.network.HttpTask;
import com.ksyun.ks3.exception.Ks3Error;
import com.ksyun.ks3.model.Ks3ObjectSummary;
import com.ksyun.ks3.model.ObjectListing;
import com.ksyun.ks3.model.result.GetObjectResult;
import com.ksyun.ks3.services.AuthListener;
import com.ksyun.ks3.services.Ks3Client;
import com.ksyun.ks3.services.Ks3ClientConfiguration;
import com.ksyun.ks3.services.handler.GetObjectResponseHandler;
import com.ksyun.ks3.services.handler.ListObjectsResponseHandler;
import com.ksyun.ks3.services.request.GetObjectRequest;
import com.ksyun.ks3.services.request.ListObjectsRequest;
import com.ksyun.ks3.util.StringUtils;
/**
* Download相关API使用示例,如getObject，listObject等
*/
public class DownloadActivity extends Activity implements OnItemClickListener {
private ListView mListView;
private ProgressBar mProgressBar;
private Ks3ClientConfiguration configuration;
private Ks3Client client;
private Map<String, RemoteFile> dataSource;
private RemoteFileAdapter adapter;
private TextView currentBucketTextView;
private File storeForder;
private myHandler mHandler = new myHandler();
private BucketInpuDialog bucketInpuDialog;
private HttpTask httpTask;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_download);
setUp();
bucketInpuDialog = new BucketInpuDialog(DownloadActivity.this);
prepareStoreForder();
bucketInpuDialog.setOnBucketInputListener(new BucketInpuDialog.OnBucketDialogListener() {
@Override
public void confirmBucket(String name) {
// 输入框确获取Bucket之后，开始ListObjects操作
listObjects(name, null);
}
});
bucketInpuDialog.show();
}
private void prepareStoreForder() {
storeForder = new File(Environment.getExternalStorageDirectory(),
"ksyun_download");
if (!storeForder.exists()) {
storeForder.mkdirs();
} else if (storeForder.isFile()) {
storeForder.delete();
}
}
private void listObjects(String bucketName, final String prefix) {
final ListObjectsRequest request = new ListObjectsRequest(bucketName);
if (!StringUtils.isBlank(prefix))
request.setPrefix(prefix);
request.setDelimiter("/");
client.listObjects(request, new ListObjectsResponseHandler() {
@Override
public void onSuccess(int statesCode, Header[] responceHeaders,
ObjectListing objectListing) {
mProgressBar.setVisibility(View.GONE);
currentBucketTextView.setVisibility(View.VISIBLE);
mListView.setVisibility(View.VISIBLE);
currentBucketTextView.setText("当前路径:Bucket:"
+ request.getBucketname() + "-" + prefix);
List<Ks3ObjectSummary> objectSummaries = objectListing
.getObjectSummaries();
if (objectSummaries != null && objectSummaries.size() != 0) {
for (Ks3ObjectSummary object : objectSummaries) {
String objectKey = object.getKey();
if (dataSource.get(objectKey) == null) {
RemoteFile remoteFile = new RemoteFile();
remoteFile.bucketName = objectListing
.getBucketName();
remoteFile.objectKey = objectKey;
remoteFile.isCommomPrefix = false;
remoteFile.icon = DemoUtils.matchImage(
DownloadActivity.this, false, objectKey);
remoteFile.size = object.getSize();
remoteFile.lastModified = object.getLastModified();
remoteFile.progress = 0;
remoteFile.status = RemoteFile.STATUS_NOT_START;
dataSource.put(objectKey, remoteFile);
}
}
}
List<String> commonPrefixes = objectListing.getCommonPrefixes();
if (commonPrefixes != null && commonPrefixes.size() != 0) {
for (String prifix : commonPrefixes) {
RemoteFile remoteFile = new RemoteFile();
remoteFile.bucketName = objectListing.getBucketName();
remoteFile.objectKey = prifix;
remoteFile.icon = DemoUtils.matchImage(
DownloadActivity.this, true, prifix);
remoteFile.progress = 0;
remoteFile.isCommomPrefix = true;
remoteFile.status = RemoteFile.STATUS_NOT_START;
dataSource.put(prifix, remoteFile);
}
}
adapter.fillDatas();
}
@Override
public void onFailure(int statesCode, Ks3Error error,
Header[] responceHeaders, String response,
Throwable paramThrowable) {
}
});
}
private void setUp() {
// Ks3Client初始化并鉴权
configuration = Ks3ClientConfiguration.getDefaultConfiguration();
if (httpTask == null) {
httpTask = new HttpTask();
}
client = new Ks3Client(new AuthListener() {
@Override
public String onCalculateAuth(String s, String s1, String s2, String s3, String s4, String s5) {
return httpTask.requestTokenToAppServer(s, s1, s2, s3, s4, s5).getAuthorization();
}
}, this);
client.setConfiguration(configuration);
// UI初始化
currentBucketTextView = (TextView) findViewById(R.id.current_bucket_tv);
mListView = (ListView) findViewById(R.id.object_list);
mProgressBar = (ProgressBar) findViewById(R.id.progress_bar);
dataSource = new HashMap<String, RemoteFile>();
adapter = new RemoteFileAdapter(this, null);
mListView.setAdapter(adapter);
mListView.setOnItemClickListener(this);
}
class RemoteFileAdapter extends BaseAdapter {
private List<RemoteFile> mRemoteFiles;
private LayoutInflater mInflater;
RemoteFileAdapter(Context context, List<RemoteFile> remoteFiles) {
this.mRemoteFiles = new ArrayList<RemoteFile>();
if (remoteFiles != null)
this.mRemoteFiles.addAll(remoteFiles);
this.mInflater = (LayoutInflater) context
.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
}
@Override
public int getCount() {
return mRemoteFiles.size();
}
@Override
public RemoteFile getItem(int position) {
return this.mRemoteFiles.get(position);
}
@Override
public long getItemId(int position) {
return position;
}
public void fillDatas() {
this.mRemoteFiles.clear();
for (Entry<String, RemoteFile> entry : dataSource.entrySet()) {
this.mRemoteFiles.add(entry.getValue());
}
this.notifyDataSetChanged();
}
public void updateCurrent() {
this.notifyDataSetChanged();
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
ViewHolder viewHolder;
if (convertView == null) {
convertView = mInflater.inflate(R.layout.download_list_item,
parent, false);
viewHolder = new ViewHolder();
viewHolder.remoteObjectIcon = (ImageView) convertView
.findViewById(R.id.remote_object_icon);
viewHolder.remoteObjectKeyTextView = (TextView) convertView
.findViewById(R.id.remote_object_key);
viewHolder.remoteObjectSummaryLayout = (LinearLayout) convertView
.findViewById(R.id.remote_object_summary_layout);
viewHolder.remoteObjectSizeTextView = (TextView) convertView
.findViewById(R.id.remote_object_size);
viewHolder.remoteObjectModiyTextView = (TextView) convertView
.findViewById(R.id.remote_object_last_modiy);
viewHolder.downloadSummaryLayout = (LinearLayout) convertView
.findViewById(R.id.progress_summary_layout);
viewHolder.downloadProgressBar = (ProgressBar) convertView
.findViewById(R.id.download_progress_bar);
viewHolder.progressTextView = (TextView) convertView
.findViewById(R.id.download_progress_txt);
viewHolder.downloadBtn = (ImageView) convertView
.findViewById(R.id.download_btn);
convertView.setTag(viewHolder);
} else {
viewHolder = (ViewHolder) convertView.getTag();
}
viewHolder.remoteObjectIcon.setImageDrawable(mRemoteFiles
.get(position).icon);
viewHolder.remoteObjectKeyTextView.setText(mRemoteFiles
.get(position).objectKey);
if (!mRemoteFiles.get(position).isCommomPrefix) {
viewHolder.remoteObjectKeyTextView.setVisibility(View.VISIBLE);
long size = mRemoteFiles.get(position).size;
String sizeStr = "unkown-size";
if (size >= 1024 * 1024) {
sizeStr = ((int) (size / 1024 / 1024) * 100) / 100 + "MB";
} else {
sizeStr = (size / 1024) + "kb";
}
viewHolder.remoteObjectSizeTextView.setText(sizeStr);
String modiyStr = DemoUtils.formatDate(mRemoteFiles
.get(position).lastModified);
viewHolder.remoteObjectModiyTextView.setText(modiyStr);
if (mRemoteFiles.get(position).status > RemoteFile.STATUS_NOT_START) {
viewHolder.downloadSummaryLayout
.setVisibility(View.VISIBLE);
viewHolder.downloadProgressBar.setProgress(mRemoteFiles
.get(position).progress);
viewHolder.remoteObjectSummaryLayout
.setVisibility(View.GONE);
viewHolder.downloadBtn.setVisibility(View.GONE);
switch (mRemoteFiles.get(position).status) {
case RemoteFile.STATUS_STARTED:
viewHolder.progressTextView.setText("准备");
break;
case RemoteFile.STATUS_DOWNLOADING:
viewHolder.progressTextView.setText(mRemoteFiles
.get(position).progress + "%");
break;
case RemoteFile.STATUS_FINISH:
viewHolder.progressTextView.setText("完成下载");
break;
case RemoteFile.STATUS_FAIL:
viewHolder.progressTextView.setText("下载失败");
break;
}
} else {
viewHolder.remoteObjectSummaryLayout
.setVisibility(View.VISIBLE);
viewHolder.downloadBtn.setVisibility(View.VISIBLE);
viewHolder.downloadSummaryLayout.setVisibility(View.GONE);
}
} else {
viewHolder.remoteObjectSummaryLayout.setVisibility(View.GONE);
viewHolder.downloadSummaryLayout.setVisibility(View.GONE);
viewHolder.downloadBtn.setVisibility(View.GONE);
}
return convertView;
}
}
class ViewHolder {
ImageView remoteObjectIcon;
TextView remoteObjectKeyTextView;
LinearLayout remoteObjectSummaryLayout;
TextView remoteObjectSizeTextView;
TextView remoteObjectModiyTextView;
LinearLayout downloadSummaryLayout;
ProgressBar downloadProgressBar;
TextView progressTextView;
ImageView downloadBtn;
}
class RemoteFile {
static final int STATUS_NOT_START = 0;
static final int STATUS_STARTED = 1;
static final int STATUS_DOWNLOADING = 2;
static final int STATUS_FINISH = 3;
static final int STATUS_FAIL = 4;
Drawable icon;
String bucketName;
String objectKey;
long size;
Date lastModified;
int progress;
int status;
boolean isCommomPrefix;
@Override
public String toString() {
return bucketName + ",download?" + status + ",progress:" + progress;
}
}
@Override
public void onItemClick(AdapterView<?> adpterView, final View view,
final int position, long arg3) {
final RemoteFile item = adapter.getItem(position);
if (item.isCommomPrefix) {
// listObjects(item.bucketName, item.objectKey);
Toast.makeText(this, "请自行实现下一级目录的检索", Toast.LENGTH_LONG).show();
} else {
if (item.status == RemoteFile.STATUS_STARTED
|| item.status == RemoteFile.STATUS_DOWNLOADING
|| item.status == RemoteFile.STATUS_FINISH)
return;
// 下载操作示例
final GetObjectRequest request = new GetObjectRequest(
item.bucketName, item.objectKey);
String objectName = item.objectKey.substring(item.objectKey
.lastIndexOf("/") == -1 ? 0 : item.objectKey
.lastIndexOf("/"));
// request.setCallBack(callBackUrl, callBackBody, callBackHeaders);
File file = new File(storeForder, objectName);
client.getObject(request, new GetObjectResponseHandler(file,
item.bucketName, item.objectKey) {
@Override
public void onTaskSuccess(int paramInt,
Header[] paramArrayOfHeader,
GetObjectResult getObjectResult) {
}
@Override
public void onTaskStart() {
RemoteFile remoteFile = dataSource.get(item.objectKey);
remoteFile.status = RemoteFile.STATUS_STARTED;
remoteFile.progress = 0;
item.status = RemoteFile.STATUS_STARTED;
item.progress = 0;
mHandler.sendEmptyMessage(0);
}
@Override
public void onTaskProgress(double progress) {
// if (progress > 50.0) {
// request.abort();
// }
RemoteFile remoteFile = dataSource.get(item.objectKey);
remoteFile.status = RemoteFile.STATUS_DOWNLOADING;
remoteFile.progress = (int) progress;
item.status = RemoteFile.STATUS_DOWNLOADING;
item.progress = (int) progress;
mHandler.sendEmptyMessage(0);
}
@Override
public void onTaskFinish() {
RemoteFile remoteFile = dataSource.get(item.objectKey);
remoteFile.status = RemoteFile.STATUS_FINISH;
remoteFile.progress = 100;
item.status = RemoteFile.STATUS_FINISH;
item.progress = 100;
mHandler.sendEmptyMessage(0);
}
@Override
public void onTaskCancel() {
Log.d(com.ksyun.ks3.util.Constants.LOG_TAG, "cancle ok");
}
@Override
public void onTaskFailure(int paramInt, Ks3Error ks3Error,
Header[] paramArrayOfHeader, Throwable paramThrowable,
File paramFile) {
Log.d(com.ksyun.ks3.util.Constants.LOG_TAG,
paramInt + "failure: reason = " + paramThrowable.toString() + "/n" + "response:" + ks3Error.getErrorMessage());
RemoteFile remoteFile = dataSource.get(item.objectKey);
remoteFile.status = RemoteFile.STATUS_FAIL;
item.status = RemoteFile.STATUS_FAIL;
mHandler.sendEmptyMessage(0);
}
});
}
}
@SuppressLint("HandlerLeak")
class myHandler extends Handler {
@Override
public void handleMessage(Message msg) {
int what = msg.what;
switch (what) {
case 0:
adapter.updateCurrent();
break;
default:
break;
}
}
}
}