📦 2.6.2: use slf4j for logging

README.md

@@ -36,7 +36,7 @@ repositories {
     jcenter()
 }
 dependencies {
-    compile 'com.danikula:videocache:2.6.1'
+    compile 'com.danikula:videocache:2.6.2'
 }
 ```
 

library/build.gradle

@@ -23,13 +23,14 @@ sourceCompatibility = '1.7'
 
 dependencies {
     compile 'com.google.android:android:1.6_r2'
+    compile 'org.slf4j:slf4j-android:1.7.21'
 }
 
 publish {
     userOrg = 'alexeydanilov'
     groupId = 'com.danikula'
     artifactId = 'videocache'
-    publishVersion = '2.6.1'
+    publishVersion = '2.6.2'
     description = 'Cache support for android VideoView'
     website = 'https://github.com/danikula/AndroidVideoCache'
 }

library/src/main/java/com/danikula/videocache/HttpProxyCacheServer.java

@@ -2,7 +2,6 @@
 
 import android.content.Context;
 import android.os.SystemClock;
-import android.util.Log;
 
 import com.danikula.videocache.file.DiskUsage;
 import com.danikula.videocache.file.FileNameGenerator;
@@ -12,6 +11,9 @@
 import com.danikula.videocache.sourcestorage.SourceInfoStorage;
 import com.danikula.videocache.sourcestorage.SourceInfoStorageFactory;
 
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
 import java.io.File;
 import java.io.IOException;
 import java.io.OutputStream;
@@ -33,7 +35,6 @@
 
 import static com.danikula.videocache.Preconditions.checkAllNotNull;
 import static com.danikula.videocache.Preconditions.checkNotNull;
-import static com.danikula.videocache.ProxyCacheUtils.LOG_TAG;
 import static java.util.concurrent.TimeUnit.MILLISECONDS;
 
 /**
@@ -57,6 +58,8 @@
  */
 public class HttpProxyCacheServer {
 
+    private static final Logger LOG = LoggerFactory.getLogger("HttpProxyCacheServer");
+
     private static final String PROXY_HOST = "127.0.0.1";
     private static final String PING_REQUEST = "ping";
     private static final String PING_RESPONSE = "ping ok";
@@ -84,7 +87,7 @@ private HttpProxyCacheServer(Config config) {
             this.waitConnectionThread = new Thread(new WaitRequestsRunnable(startSignal));
             this.waitConnectionThread.start();
             startSignal.await(); // freeze thread, wait for server starts
-            Log.i(LOG_TAG, "Proxy cache server started. Ping it...");
+            LOG.info("Proxy cache server started. Ping it...");
             makeSureServerWorks();
         } catch (IOException | InterruptedException e) {
             socketProcessor.shutdown();
@@ -105,12 +108,12 @@ private void makeSureServerWorks() {
                 }
                 SystemClock.sleep(delay);
             } catch (InterruptedException | ExecutionException | TimeoutException e) {
-                Log.e(LOG_TAG, "Error pinging server [attempt: " + pingAttempts + ", timeout: " + delay + "]. ", e);
+                LOG.error("Error pinging server [attempt: " + pingAttempts + ", timeout: " + delay + "]. ", e);
             }
             pingAttempts++;
             delay *= 2;
         }
-        Log.e(LOG_TAG, "Shutdown server… Error pinging server [attempts: " + pingAttempts + ", max timeout: " + delay / 2 + "]. " +
+        LOG.error("Shutdown server… Error pinging server [attempts: " + pingAttempts + ", max timeout: " + delay / 2 + "]. " +
                 "If you see this message, please, email me danikula@gmail.com");
         shutdown();
     }
@@ -124,10 +127,10 @@ private boolean pingServer() throws ProxyCacheException {
             byte[] response = new byte[expectedResponse.length];
             source.read(response);
             boolean pingOk = Arrays.equals(expectedResponse, response);
-            Log.d(LOG_TAG, "Ping response: `" + new String(response) + "`, pinged? " + pingOk);
+            LOG.info("Ping response: `" + new String(response) + "`, pinged? " + pingOk);
             return pingOk;
         } catch (ProxyCacheException e) {
-            Log.e(LOG_TAG, "Error reading ping response", e);
+            LOG.error("Error reading ping response", e);
             return false;
         } finally {
             source.close();
@@ -136,7 +139,7 @@ private boolean pingServer() throws ProxyCacheException {
 
     public String getProxyUrl(String url) {
         if (!pinged) {
-            Log.e(LOG_TAG, "Proxy server isn't pinged. Caching doesn't work. If you see this message, please, email me danikula@gmail.com");
+            LOG.error("Proxy server isn't pinged. Caching doesn't work. If you see this message, please, email me danikula@gmail.com");
         }
         return pinged ? appendToProxyUrl(url) : url;
     }
@@ -151,7 +154,7 @@ public void registerCacheListener(CacheListener cacheListener, String url) {
             try {
                 getClients(url).registerCacheListener(cacheListener);
             } catch (ProxyCacheException e) {
-                Log.d(LOG_TAG, "Error registering cache listener", e);
+                LOG.warn("Error registering cache listener", e);
             }
         }
     }
@@ -162,7 +165,7 @@ public void unregisterCacheListener(CacheListener cacheListener, String url) {
             try {
                 getClients(url).unregisterCacheListener(cacheListener);
             } catch (ProxyCacheException e) {
-                Log.d(LOG_TAG, "Error registering cache listener", e);
+                LOG.warn("Error registering cache listener", e);
             }
         }
     }
@@ -191,7 +194,7 @@ public boolean isCached(String url) {
     }
 
     public void shutdown() {
-        Log.i(LOG_TAG, "Shutdown proxy server");
+        LOG.info("Shutdown proxy server");
 
         shutdownClients();
 
@@ -220,7 +223,7 @@ private void waitForRequest() {
         try {
             while (!Thread.currentThread().isInterrupted()) {
                 Socket socket = serverSocket.accept();
-                Log.d(LOG_TAG, "Accept new socket " + socket);
+                LOG.debug("Accept new socket " + socket);
                 socketProcessor.submit(new SocketProcessorRunnable(socket));
             }
         } catch (IOException e) {
@@ -231,7 +234,7 @@ private void waitForRequest() {
     private void processSocket(Socket socket) {
         try {
             GetRequest request = GetRequest.read(socket.getInputStream());
-            Log.i(LOG_TAG, "Request to cache proxy:" + request);
+            LOG.debug("Request to cache proxy:" + request);
             String url = ProxyCacheUtils.decode(request.uri);
             if (PING_REQUEST.equals(url)) {
                 responseToPing(socket);
@@ -242,12 +245,12 @@ private void processSocket(Socket socket) {
         } catch (SocketException e) {
             // There is no way to determine that client closed connection http://stackoverflow.com/a/10241044/999458
             // So just to prevent log flooding don't log stacktrace
-            Log.d(LOG_TAG, "Closing socket… Socket is closed by client.");
+            LOG.debug("Closing socket… Socket is closed by client.");
         } catch (ProxyCacheException | IOException e) {
             onError(new ProxyCacheException("Error processing request", e));
         } finally {
             releaseSocket(socket);
-            Log.d(LOG_TAG, "Opened connections: " + getClientsCount());
+            LOG.debug("Opened connections: " + getClientsCount());
         }
     }
 
@@ -292,7 +295,7 @@ private void closeSocketInput(Socket socket) {
         } catch (SocketException e) {
             // There is no way to determine that client closed connection http://stackoverflow.com/a/10241044/999458
             // So just to prevent log flooding don't log stacktrace
-            Log.d(LOG_TAG, "Releasing input stream… Socket is closed by client.");
+            LOG.debug("Releasing input stream… Socket is closed by client.");
         } catch (IOException e) {
             onError(new ProxyCacheException("Error closing socket input stream", e));
         }
@@ -319,7 +322,7 @@ private void closeSocket(Socket socket) {
     }
 
     private void onError(Throwable e) {
-        Log.e(LOG_TAG, "HttpProxyCacheServer error", e);
+        LOG.error("HttpProxyCacheServer error", e);
     }
 
     private final class WaitRequestsRunnable implements Runnable {

library/src/main/java/com/danikula/videocache/HttpUrlSource.java

@@ -1,11 +1,13 @@
 package com.danikula.videocache;
 
 import android.text.TextUtils;
-import android.util.Log;
 
 import com.danikula.videocache.sourcestorage.SourceInfoStorage;
 import com.danikula.videocache.sourcestorage.SourceInfoStorageFactory;
 
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
 import java.io.BufferedInputStream;
 import java.io.IOException;
 import java.io.InputStream;
@@ -15,7 +17,6 @@
 
 import static com.danikula.videocache.Preconditions.checkNotNull;
 import static com.danikula.videocache.ProxyCacheUtils.DEFAULT_BUFFER_SIZE;
-import static com.danikula.videocache.ProxyCacheUtils.LOG_TAG;
 import static java.net.HttpURLConnection.HTTP_MOVED_PERM;
 import static java.net.HttpURLConnection.HTTP_MOVED_TEMP;
 import static java.net.HttpURLConnection.HTTP_OK;
@@ -29,6 +30,8 @@
  */
 public class HttpUrlSource implements Source {
 
+    private static final Logger LOG = LoggerFactory.getLogger("HttpUrlSource");
+
     private static final int MAX_REDIRECTS = 5;
     private final SourceInfoStorage sourceInfoStorage;
     private SourceInfo sourceInfo;
@@ -108,7 +111,7 @@ public int read(byte[] buffer) throws ProxyCacheException {
     }
 
     private void fetchContentInfo() throws ProxyCacheException {
-        Log.d(LOG_TAG, "Read content info from " + sourceInfo.url);
+        LOG.debug("Read content info from " + sourceInfo.url);
         HttpURLConnection urlConnection = null;
         InputStream inputStream = null;
         try {
@@ -118,9 +121,9 @@ private void fetchContentInfo() throws ProxyCacheException {
             inputStream = urlConnection.getInputStream();
             this.sourceInfo = new SourceInfo(sourceInfo.url, length, mime);
             this.sourceInfoStorage.put(sourceInfo.url, sourceInfo);
-            Log.i(LOG_TAG, "Source info fetched: " + sourceInfo);
+            LOG.debug("Source info fetched: " + sourceInfo);
         } catch (IOException e) {
-            Log.e(LOG_TAG, "Error fetching info from " + sourceInfo.url, e);
+            LOG.error("Error fetching info from " + sourceInfo.url, e);
         } finally {
             ProxyCacheUtils.close(inputStream);
             if (urlConnection != null) {
@@ -135,7 +138,7 @@ private HttpURLConnection openConnection(int offset, int timeout) throws IOExcep
         int redirectCount = 0;
         String url = this.sourceInfo.url;
         do {
-            Log.d(LOG_TAG, "Open connection " + (offset > 0 ? " with offset " + offset : "") + " to " + url);
+            LOG.debug("Open connection " + (offset > 0 ? " with offset " + offset : "") + " to " + url);
             connection = (HttpURLConnection) new URL(url).openConnection();
             if (offset > 0) {
                 connection.setRequestProperty("Range", "bytes=" + offset + "-");

library/src/main/java/com/danikula/videocache/ProxyCache.java

@@ -1,11 +1,11 @@
 package com.danikula.videocache;
 
-import android.util.Log;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 import java.util.concurrent.atomic.AtomicInteger;
 
 import static com.danikula.videocache.Preconditions.checkNotNull;
-import static com.danikula.videocache.ProxyCacheUtils.LOG_TAG;
 
 /**
  * Proxy for {@link Source} with caching support ({@link Cache}).
@@ -18,6 +18,7 @@
  */
 class ProxyCache {
 
+    private static final Logger LOG = LoggerFactory.getLogger("ProxyCache");
     private static final int MAX_READ_SOURCE_ATTEMPTS = 1;
 
     private final Source source;
@@ -61,7 +62,7 @@ private void checkReadSourceErrorsCount() throws ProxyCacheException {
 
     public void shutdown() {
         synchronized (stopLock) {
-            Log.d(LOG_TAG, "Shutdown proxy for " + source);
+            LOG.debug("Shutdown proxy for " + source);
             try {
                 stopped = true;
                 if (sourceReaderThread != null) {
@@ -173,9 +174,9 @@ private void closeSource() {
     protected final void onError(final Throwable e) {
         boolean interruption = e instanceof InterruptedProxyCacheException;
         if (interruption) {
-            Log.d(LOG_TAG, "ProxyCache is interrupted");
+            LOG.debug("ProxyCache is interrupted");
         } else {
-            Log.e(LOG_TAG, "ProxyCache error", e);
+            LOG.error("ProxyCache error", e);
         }
     }
 

library/src/main/java/com/danikula/videocache/ProxyCacheUtils.java

@@ -1,9 +1,11 @@
 package com.danikula.videocache;
 
 import android.text.TextUtils;
-import android.util.Log;
 import android.webkit.MimeTypeMap;
 
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
 import java.io.Closeable;
 import java.io.IOException;
 import java.io.UnsupportedEncodingException;
@@ -23,7 +25,7 @@
  */
 public class ProxyCacheUtils {
 
-    static final String LOG_TAG = "ProxyCache";
+    private static final Logger LOG = LoggerFactory.getLogger("ProxyCacheUtils");
     static final int DEFAULT_BUFFER_SIZE = 8 * 1024;
     static final int MAX_ARRAY_PREVIEW = 16;
 
@@ -70,7 +72,7 @@ static void close(Closeable closeable) {
             try {
                 closeable.close();
             } catch (IOException e) {
-                Log.e(LOG_TAG, "Error closing resource", e);
+                LOG.error("Error closing resource", e);
             }
         }
     }

library/src/main/java/com/danikula/videocache/StorageUtils.java

@@ -2,12 +2,13 @@
 
 import android.content.Context;
 import android.os.Environment;
-import android.util.Log;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 import java.io.File;
 
 import static android.os.Environment.MEDIA_MOUNTED;
-import static com.danikula.videocache.ProxyCacheUtils.LOG_TAG;
 
 /**
  * Provides application storage paths
@@ -19,6 +20,7 @@
  */
 final class StorageUtils {
 
+    private static final Logger LOG = LoggerFactory.getLogger("StorageUtils");
     private static final String INDIVIDUAL_DIR_NAME = "video-cache";
 
     /**
@@ -61,7 +63,7 @@ private static File getCacheDirectory(Context context, boolean preferExternal) {
         }
         if (appCacheDir == null) {
             String cacheDirPath = "/data/data/" + context.getPackageName() + "/cache/";
-            Log.w(LOG_TAG, "Can't define system cache directory! '" + cacheDirPath + "%s' will be used.");
+            LOG.warn("Can't define system cache directory! '" + cacheDirPath + "%s' will be used.");
             appCacheDir = new File(cacheDirPath);
         }
         return appCacheDir;
@@ -72,7 +74,7 @@ private static File getExternalCacheDir(Context context) {
         File appCacheDir = new File(new File(dataDir, context.getPackageName()), "cache");
         if (!appCacheDir.exists()) {
             if (!appCacheDir.mkdirs()) {
-                Log.w(LOG_TAG, "Unable to create external cache directory");
+                LOG.warn("Unable to create external cache directory");
                 return null;
             }
         }

library/src/main/java/com/danikula/videocache/file/LruDiskUsage.java

@@ -1,6 +1,7 @@
 package com.danikula.videocache.file;
 
-import android.util.Log;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 import java.io.File;
 import java.io.IOException;
@@ -16,7 +17,7 @@
  */
 abstract class LruDiskUsage implements DiskUsage {
 
-    private static final String LOG_TAG = "ProxyCache";
+    private static final Logger LOG = LoggerFactory.getLogger("LruDiskUsage");
     private final ExecutorService workerThread = Executors.newSingleThreadExecutor();
 
     @Override
@@ -43,9 +44,9 @@ private void trim(List<File> files) {
                 if (deleted) {
                     totalCount--;
                     totalSize -= fileSize;
-                    Log.i(LOG_TAG, "Cache file " + file + " is deleted because it exceeds cache limit");
+                    LOG.info("Cache file " + file + " is deleted because it exceeds cache limit");
                 } else {
-                    Log.e(LOG_TAG, "Error deleting file " + file + " for trimming cache");
+                    LOG.error("Error deleting file " + file + " for trimming cache");
                 }
             }
         }