diff options
Diffstat (limited to 'src/org/fox/ttrss/util/ImageCacheService.java')
| -rw-r--r-- | src/org/fox/ttrss/util/ImageCacheService.java | 422 |
1 files changed, 211 insertions, 211 deletions
diff --git a/src/org/fox/ttrss/util/ImageCacheService.java b/src/org/fox/ttrss/util/ImageCacheService.java index 96342d60..8bd4840c 100644 --- a/src/org/fox/ttrss/util/ImageCacheService.java +++ b/src/org/fox/ttrss/util/ImageCacheService.java @@ -1,211 +1,211 @@ -package org.fox.ttrss.util;
-
-import java.io.File;
-import java.io.FileOutputStream;
-import java.io.IOException;
-import java.io.InputStream;
-import java.net.URL;
-import java.net.URLConnection;
-import java.security.MessageDigest;
-import java.security.NoSuchAlgorithmException;
-import java.util.Date;
-
-import org.fox.ttrss.OnlineActivity;
-import org.fox.ttrss.R;
-import org.fox.ttrss.offline.OfflineDownloadService;
-
-import android.app.ActivityManager;
-import android.app.ActivityManager.RunningServiceInfo;
-import android.app.IntentService;
-import android.app.Notification;
-import android.app.NotificationManager;
-import android.app.PendingIntent;
-import android.content.Context;
-import android.content.Intent;
-import android.os.Environment;
-
-public class ImageCacheService extends IntentService {
-
- @SuppressWarnings("unused")
- private final String TAG = this.getClass().getSimpleName();
-
- public static final int NOTIFY_DOWNLOADING = 1;
-
- private static final String CACHE_PATH = "/image-cache/";
-
- private int m_imagesDownloaded = 0;
-
- private NotificationManager m_nmgr;
-
- public ImageCacheService() {
- super("ImageCacheService");
- }
-
- private boolean isDownloadServiceRunning() {
- ActivityManager manager = (ActivityManager) getSystemService(ACTIVITY_SERVICE);
- for (RunningServiceInfo service : manager.getRunningServices(Integer.MAX_VALUE)) {
- if ("org.fox.ttrss.OfflineDownloadService".equals(service.service.getClassName())) {
- return true;
- }
- }
- return false;
- }
-
-
- @Override
- public void onCreate() {
- super.onCreate();
- m_nmgr = (NotificationManager)getSystemService(NOTIFICATION_SERVICE);
- }
-
- public static boolean isUrlCached(Context context, String url) {
- String hashedUrl = md5(url);
-
- File storage = context.getExternalCacheDir();
-
- File file = new File(storage.getAbsolutePath() + CACHE_PATH + "/" + hashedUrl + ".png");
-
- return file.exists();
- }
-
- public static String getCacheFileName(Context context, String url) {
- String hashedUrl = md5(url);
-
- File storage = context.getExternalCacheDir();
-
- File file = new File(storage.getAbsolutePath() + CACHE_PATH + "/" + hashedUrl + ".png");
-
- return file.getAbsolutePath();
- }
-
- public static void cleanupCache(Context context, boolean deleteAll) {
- if (Environment.MEDIA_MOUNTED.equals(Environment.getExternalStorageState())) {
- File storage = context.getExternalCacheDir();
- File cachePath = new File(storage.getAbsolutePath() + CACHE_PATH);
-
- long now = new Date().getTime();
-
- if (cachePath.isDirectory()) {
- for (File file : cachePath.listFiles()) {
- if (deleteAll || now - file.lastModified() > 1000*60*60*24*7) {
- file.delete();
- }
- }
- }
- }
- }
-
- protected static String md5(String s) {
- try {
- MessageDigest digest = java.security.MessageDigest.getInstance("MD5");
- digest.update(s.getBytes());
- byte messageDigest[] = digest.digest();
-
- StringBuffer hexString = new StringBuffer();
- for (int i=0; i<messageDigest.length; i++)
- hexString.append(Integer.toHexString(0xFF & messageDigest[i]));
-
- return hexString.toString();
-
- } catch (NoSuchAlgorithmException e) {
- e.printStackTrace();
- }
-
- return null;
- }
-
- private InputStream getStream(String urlString) {
- try {
- URL url = new URL(urlString);
- URLConnection urlConnection = url.openConnection();
- urlConnection.setConnectTimeout(250);
- return urlConnection.getInputStream();
- } catch (Exception ex) {
- return null;
- }
- }
-
- @SuppressWarnings("deprecation")
- private void updateNotification(String msg) {
- Notification notification = new Notification(R.drawable.icon,
- getString(R.string.notify_downloading_title), System.currentTimeMillis());
-
- PendingIntent contentIntent = PendingIntent.getActivity(this, 0,
- new Intent(this, OnlineActivity.class), 0);
-
- notification.flags |= Notification.FLAG_ONGOING_EVENT;
- notification.flags |= Notification.FLAG_ONLY_ALERT_ONCE;
-
- notification.setLatestEventInfo(this, getString(R.string.notify_downloading_title), msg, contentIntent);
-
- m_nmgr.notify(NOTIFY_DOWNLOADING, notification);
- }
-
- /* private void updateNotification(int msgResId) {
- updateNotification(getString(msgResId));
- } */
-
- @Override
- protected void onHandleIntent(Intent intent) {
- String url = intent.getStringExtra("url");
-
- //Log.d(TAG, "got request to download URL=" + url);
-
- if (!Environment.MEDIA_MOUNTED.equals(Environment.getExternalStorageState()))
- return;
-
- String hashedUrl = md5(url);
-
- File storage = getExternalCacheDir();
- File cachePath = new File(storage.getAbsolutePath() + CACHE_PATH);
- if (!cachePath.exists()) cachePath.mkdirs();
-
- if (cachePath.isDirectory() && hashedUrl != null) {
- File outputFile = new File(cachePath.getAbsolutePath() + "/" + hashedUrl + ".png");
-
- if (!outputFile.exists()) {
-
- //Log.d(TAG, "downloading to " + outputFile.getAbsolutePath());
-
- InputStream is = getStream(url);
-
- if (is != null) {
- try {
- FileOutputStream fos = new FileOutputStream(outputFile);
-
- byte[] buffer = new byte[1024];
- int len = 0;
- while ((len = is.read(buffer)) != -1) {
- fos.write(buffer, 0, len);
- }
-
- fos.close();
- is.close();
-
- m_imagesDownloaded++;
-
- updateNotification(getString(R.string.notify_downloading_images, m_imagesDownloaded));
-
- } catch (IOException e) {
- e.printStackTrace();
- }
- }
- }
- }
- }
-
- @Override
- public void onDestroy() {
- super.onDestroy();
-
- if (!isDownloadServiceRunning()) {
- m_nmgr.cancel(NOTIFY_DOWNLOADING);
-
- Intent success = new Intent();
- success.setAction(OfflineDownloadService.INTENT_ACTION_SUCCESS);
- success.addCategory(Intent.CATEGORY_DEFAULT);
- sendBroadcast(success);
- }
- }
-
-}
+package org.fox.ttrss.util; + +import java.io.File; +import java.io.FileOutputStream; +import java.io.IOException; +import java.io.InputStream; +import java.net.URL; +import java.net.URLConnection; +import java.security.MessageDigest; +import java.security.NoSuchAlgorithmException; +import java.util.Date; + +import org.fox.ttrss.OnlineActivity; +import org.fox.ttrss.R; +import org.fox.ttrss.offline.OfflineDownloadService; + +import android.app.ActivityManager; +import android.app.ActivityManager.RunningServiceInfo; +import android.app.IntentService; +import android.app.Notification; +import android.app.NotificationManager; +import android.app.PendingIntent; +import android.content.Context; +import android.content.Intent; +import android.os.Environment; + +public class ImageCacheService extends IntentService { + + @SuppressWarnings("unused") + private final String TAG = this.getClass().getSimpleName(); + + public static final int NOTIFY_DOWNLOADING = 1; + + private static final String CACHE_PATH = "/image-cache/"; + + private int m_imagesDownloaded = 0; + + private NotificationManager m_nmgr; + + public ImageCacheService() { + super("ImageCacheService"); + } + + private boolean isDownloadServiceRunning() { + ActivityManager manager = (ActivityManager) getSystemService(ACTIVITY_SERVICE); + for (RunningServiceInfo service : manager.getRunningServices(Integer.MAX_VALUE)) { + if ("org.fox.ttrss.OfflineDownloadService".equals(service.service.getClassName())) { + return true; + } + } + return false; + } + + + @Override + public void onCreate() { + super.onCreate(); + m_nmgr = (NotificationManager)getSystemService(NOTIFICATION_SERVICE); + } + + public static boolean isUrlCached(Context context, String url) { + String hashedUrl = md5(url); + + File storage = context.getExternalCacheDir(); + + File file = new File(storage.getAbsolutePath() + CACHE_PATH + "/" + hashedUrl + ".png"); + + return file.exists(); + } + + public static String getCacheFileName(Context context, String url) { + String hashedUrl = md5(url); + + File storage = context.getExternalCacheDir(); + + File file = new File(storage.getAbsolutePath() + CACHE_PATH + "/" + hashedUrl + ".png"); + + return file.getAbsolutePath(); + } + + public static void cleanupCache(Context context, boolean deleteAll) { + if (Environment.MEDIA_MOUNTED.equals(Environment.getExternalStorageState())) { + File storage = context.getExternalCacheDir(); + File cachePath = new File(storage.getAbsolutePath() + CACHE_PATH); + + long now = new Date().getTime(); + + if (cachePath.isDirectory()) { + for (File file : cachePath.listFiles()) { + if (deleteAll || now - file.lastModified() > 1000*60*60*24*7) { + file.delete(); + } + } + } + } + } + + protected static String md5(String s) { + try { + MessageDigest digest = java.security.MessageDigest.getInstance("MD5"); + digest.update(s.getBytes()); + byte messageDigest[] = digest.digest(); + + StringBuffer hexString = new StringBuffer(); + for (int i=0; i<messageDigest.length; i++) + hexString.append(Integer.toHexString(0xFF & messageDigest[i])); + + return hexString.toString(); + + } catch (NoSuchAlgorithmException e) { + e.printStackTrace(); + } + + return null; + } + + private InputStream getStream(String urlString) { + try { + URL url = new URL(urlString); + URLConnection urlConnection = url.openConnection(); + urlConnection.setConnectTimeout(250); + return urlConnection.getInputStream(); + } catch (Exception ex) { + return null; + } + } + + @SuppressWarnings("deprecation") + private void updateNotification(String msg) { + Notification notification = new Notification(R.drawable.icon, + getString(R.string.notify_downloading_title), System.currentTimeMillis()); + + PendingIntent contentIntent = PendingIntent.getActivity(this, 0, + new Intent(this, OnlineActivity.class), 0); + + notification.flags |= Notification.FLAG_ONGOING_EVENT; + notification.flags |= Notification.FLAG_ONLY_ALERT_ONCE; + + notification.setLatestEventInfo(this, getString(R.string.notify_downloading_title), msg, contentIntent); + + m_nmgr.notify(NOTIFY_DOWNLOADING, notification); + } + + /* private void updateNotification(int msgResId) { + updateNotification(getString(msgResId)); + } */ + + @Override + protected void onHandleIntent(Intent intent) { + String url = intent.getStringExtra("url"); + + //Log.d(TAG, "got request to download URL=" + url); + + if (!Environment.MEDIA_MOUNTED.equals(Environment.getExternalStorageState())) + return; + + String hashedUrl = md5(url); + + File storage = getExternalCacheDir(); + File cachePath = new File(storage.getAbsolutePath() + CACHE_PATH); + if (!cachePath.exists()) cachePath.mkdirs(); + + if (cachePath.isDirectory() && hashedUrl != null) { + File outputFile = new File(cachePath.getAbsolutePath() + "/" + hashedUrl + ".png"); + + if (!outputFile.exists()) { + + //Log.d(TAG, "downloading to " + outputFile.getAbsolutePath()); + + InputStream is = getStream(url); + + if (is != null) { + try { + FileOutputStream fos = new FileOutputStream(outputFile); + + byte[] buffer = new byte[1024]; + int len = 0; + while ((len = is.read(buffer)) != -1) { + fos.write(buffer, 0, len); + } + + fos.close(); + is.close(); + + m_imagesDownloaded++; + + updateNotification(getString(R.string.notify_downloading_images, m_imagesDownloaded)); + + } catch (IOException e) { + e.printStackTrace(); + } + } + } + } + } + + @Override + public void onDestroy() { + super.onDestroy(); + + if (!isDownloadServiceRunning()) { + m_nmgr.cancel(NOTIFY_DOWNLOADING); + + Intent success = new Intent(); + success.setAction(OfflineDownloadService.INTENT_ACTION_SUCCESS); + success.addCategory(Intent.CATEGORY_DEFAULT); + sendBroadcast(success); + } + } + +} |