Android端末でGAEブロブストア上の画像の取得

Basic認証とストレージに画像保存とイメージビューに画像を保存まで。

package com.taku.nfchome;

import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.UnsupportedEncodingException;
import java.net.HttpURLConnection;
import java.net.URL;
import java.text.SimpleDateFormat;
import java.util.Arrays;
import java.util.Date;
import java.util.List;

import org.apache.http.Header;
import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.NameValuePair;
import org.apache.http.auth.AuthScope;
import org.apache.http.auth.UsernamePasswordCredentials;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.HttpClient;
import org.apache.http.client.entity.UrlEncodedFormEntity;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpHead;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.entity.BufferedHttpEntity;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.util.EntityUtils;

import extra.UrlManager;

import android.app.Activity;
import android.graphics.Bitmap;
import android.graphics.Bitmap.CompressFormat;
import android.graphics.BitmapFactory;
import android.os.AsyncTask;
import android.os.Bundle;
import android.os.Environment;
import android.util.Log;
import android.widget.ImageView;

public class ImageActivity extends Activity {
 @Override
 protected void onCreate(Bundle savedInstanceState) {
  super.onCreate(savedInstanceState);
  setContentView(R.layout.image_activity);
  final ImageView iv = (ImageView)findViewById(R.id.imageView);
  
  new AsyncTask() {
   @Override
   protected Bitmap doInBackground(String... params) {
    Bitmap bmp = null;
    try{
     DefaultHttpClient httpClient = new DefaultHttpClient();
     String url = new String(params[0]);
     HttpGet request = new HttpGet(url);
     // 認証するUserとPW
     UsernamePasswordCredentials credentials = new UsernamePasswordCredentials("「ユーザ名」","「パスワード」");
     AuthScope scope = new AuthScope(request.getURI().getHost(), request.getURI().getPort());
     httpClient.getCredentialsProvider().setCredentials(scope, credentials);
     
     HttpResponse httpResponse = httpClient.execute(request);
        
        // ステータスコードを取得
        int statusCode = httpResponse.getStatusLine().getStatusCode();
        
        HttpGet httpRequest = new HttpGet(url); 
        
        //ーーー画像生成処理ーーー
        HttpResponse response = (HttpResponse) httpClient.execute(httpRequest); 
        HttpEntity entity1 = response.getEntity();
        BufferedHttpEntity bufHttpEntity = new BufferedHttpEntity(entity1);
        InputStream is = bufHttpEntity.getContent();
        bmp = getBitmap(is);
        // リソースを解放
        entity1.consumeContent();
        // クライアントを終了させる
        httpClient.getConnectionManager().shutdown();
    } catch (UnsupportedEncodingException e) {
     e.printStackTrace();
    } catch (ClientProtocolException e) {
     e.printStackTrace();
    } catch (IOException e) {
     e.printStackTrace();
    }
    
    return bmp;
   }
   @Override
   protected void onPostExecute(Bitmap bmp) {
    Log.v("image", "ok");
    iv.setImageBitmap(bmp);
    saveBitmapToSd(bmp);
    
   }
   
  }.execute("「URL」");
 }
 /**
  * 画像に変換
  * @param is
  * @return
  */
 public static Bitmap getBitmap(InputStream is) {
  Bitmap bmp = null;
  byte[] line = new byte[1024];
  int byteSize = 0;
  try {
   // バイト単位での読込
   ByteArrayOutputStream out = new ByteArrayOutputStream();
   while ((byteSize = is.read(line)) > 0) {
    out.write(line, 0, byteSize);
   }
   // オプション
   BitmapFactory.Options options = new BitmapFactory.Options();
   options.inSampleSize = 0;
   
   byte[] byteArray = out.toByteArray();
   Log.v("image", "byteArray.length = " + byteArray.length);
   bmp = BitmapFactory.decodeByteArray(byteArray, 0, byteArray.length, options);
   is.close();
  } catch (Exception e) {
   e.printStackTrace();
  }
  return bmp;
 }
 /**
  * 画像をストレージへ保存
  * @param mBitmap
  */
 public void saveBitmapToSd(Bitmap mBitmap) {
  try {
  // sdcardフォルダを指定
  File root = Environment.getExternalStorageDirectory();

  // 日付でファイル名を作成　
  Date mDate = new Date();
  SimpleDateFormat fileName = new SimpleDateFormat("yyyyMMdd_HHmmss");

  // 保存処理開始
  FileOutputStream fos = null;
  fos = new FileOutputStream(new File(root, fileName.format(mDate) + ".jpg"));
  Log.v("image", (new File(root, fileName.format(mDate) + ".jpg").toString()));
  // jpegで保存
  mBitmap.compress(CompressFormat.JPEG, 100, fos);
  // 保存処理終了
  fos.close();
  } catch (Exception e) {
   Log.e("Error", "" + e.toString());
  }
 }
}