diff options
Diffstat (limited to 'src/main/java/com/android/volley/VolleyLog.java')
| -rw-r--r-- | src/main/java/com/android/volley/VolleyLog.java | 182 |
1 files changed, 0 insertions, 182 deletions
diff --git a/src/main/java/com/android/volley/VolleyLog.java b/src/main/java/com/android/volley/VolleyLog.java deleted file mode 100644 index 8477668..0000000 --- a/src/main/java/com/android/volley/VolleyLog.java +++ /dev/null @@ -1,182 +0,0 @@ -/* - * Copyright (C) 2011 The Android Open Source Project - * - * 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 com.android.volley; - -import android.os.SystemClock; -import android.util.Log; -import java.util.ArrayList; -import java.util.List; -import java.util.Locale; - -/** - * Logging helper class. - * - * <p>to see Volley logs call:<br> - * {@code <android-sdk>/platform-tools/adb shell setprop log.tag.Volley VERBOSE} - */ -public class VolleyLog { - public static String TAG = "Volley"; - - public static boolean DEBUG = Log.isLoggable(TAG, Log.VERBOSE); - - /** - * {@link Class#getName()} uses reflection and calling it on a potentially hot code path may - * have some cost. To minimize this cost we fetch class name once here and use it later. - */ - private static final String CLASS_NAME = VolleyLog.class.getName(); - - /** - * Customize the log tag for your application, so that other apps using Volley don't mix their - * logs with yours. <br> - * Enable the log property for your tag before starting your app: <br> - * {@code adb shell setprop log.tag.<tag>} - */ - public static void setTag(String tag) { - d("Changing log tag to %s", tag); - TAG = tag; - - // Reinitialize the DEBUG "constant" - DEBUG = Log.isLoggable(TAG, Log.VERBOSE); - } - - public static void v(String format, Object... args) { - if (DEBUG) { - Log.v(TAG, buildMessage(format, args)); - } - } - - public static void d(String format, Object... args) { - Log.d(TAG, buildMessage(format, args)); - } - - public static void e(String format, Object... args) { - Log.e(TAG, buildMessage(format, args)); - } - - public static void e(Throwable tr, String format, Object... args) { - Log.e(TAG, buildMessage(format, args), tr); - } - - public static void wtf(String format, Object... args) { - Log.wtf(TAG, buildMessage(format, args)); - } - - public static void wtf(Throwable tr, String format, Object... args) { - Log.wtf(TAG, buildMessage(format, args), tr); - } - - /** - * Formats the caller's provided message and prepends useful info like calling thread ID and - * method name. - */ - private static String buildMessage(String format, Object... args) { - String msg = (args == null) ? format : String.format(Locale.US, format, args); - StackTraceElement[] trace = new Throwable().fillInStackTrace().getStackTrace(); - - String caller = "<unknown>"; - // Walk up the stack looking for the first caller outside of VolleyLog. - // It will be at least two frames up, so start there. - for (int i = 2; i < trace.length; i++) { - String clazz = trace[i].getClassName(); - if (!clazz.equals(VolleyLog.CLASS_NAME)) { - String callingClass = trace[i].getClassName(); - callingClass = callingClass.substring(callingClass.lastIndexOf('.') + 1); - callingClass = callingClass.substring(callingClass.lastIndexOf('$') + 1); - - caller = callingClass + "." + trace[i].getMethodName(); - break; - } - } - return String.format(Locale.US, "[%d] %s: %s", Thread.currentThread().getId(), caller, msg); - } - - /** A simple event log with records containing a name, thread ID, and timestamp. */ - static class MarkerLog { - public static final boolean ENABLED = VolleyLog.DEBUG; - - /** Minimum duration from first marker to last in an marker log to warrant logging. */ - private static final long MIN_DURATION_FOR_LOGGING_MS = 0; - - private static class Marker { - public final String name; - public final long thread; - public final long time; - - public Marker(String name, long thread, long time) { - this.name = name; - this.thread = thread; - this.time = time; - } - } - - private final List<Marker> mMarkers = new ArrayList<>(); - private boolean mFinished = false; - - /** Adds a marker to this log with the specified name. */ - public synchronized void add(String name, long threadId) { - if (mFinished) { - throw new IllegalStateException("Marker added to finished log"); - } - - mMarkers.add(new Marker(name, threadId, SystemClock.elapsedRealtime())); - } - - /** - * Closes the log, dumping it to logcat if the time difference between the first and last - * markers is greater than {@link #MIN_DURATION_FOR_LOGGING_MS}. - * - * @param header Header string to print above the marker log. - */ - public synchronized void finish(String header) { - mFinished = true; - - long duration = getTotalDuration(); - if (duration <= MIN_DURATION_FOR_LOGGING_MS) { - return; - } - - long prevTime = mMarkers.get(0).time; - d("(%-4d ms) %s", duration, header); - for (Marker marker : mMarkers) { - long thisTime = marker.time; - d("(+%-4d) [%2d] %s", (thisTime - prevTime), marker.thread, marker.name); - prevTime = thisTime; - } - } - - @Override - protected void finalize() throws Throwable { - // Catch requests that have been collected (and hence end-of-lifed) - // but had no debugging output printed for them. - if (!mFinished) { - finish("Request on the loose"); - e("Marker log finalized without finish() - uncaught exit point for request"); - } - } - - /** Returns the time difference between the first and last events in this log. */ - private long getTotalDuration() { - if (mMarkers.size() == 0) { - return 0; - } - - long first = mMarkers.get(0).time; - long last = mMarkers.get(mMarkers.size() - 1).time; - return last - first; - } - } -} |