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/*******************************************************************************
* Copyright 2011-2013 Sergey Tarasevich
*
* 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.nostra13.universalimageloader.utils;
import android.util.Log;
import com.nostra13.universalimageloader.core.ImageLoader;
/**
* "Less-word" analog of Android {@link Log logger}
*
* @author Sergey Tarasevich (nostra13[at]gmail[dot]com)
* @since 1.6.4
*/
public final class L {
private static final String LOG_FORMAT = "%1$s\n%2$s";
private static volatile boolean DISABLED = false;
private L() {
}
/** Enables logger (if {@link #disableLogging()} was called before) */
public static void enableLogging() {
DISABLED = false;
}
/** Disables logger, no logs will be passed to LogCat, all log methods will do nothing */
public static void disableLogging() {
DISABLED = true;
}
public static void d(String message, Object... args) {
log(Log.DEBUG, null, message, args);
}
public static void i(String message, Object... args) {
log(Log.INFO, null, message, args);
}
public static void w(String message, Object... args) {
log(Log.WARN, null, message, args);
}
public static void e(Throwable ex) {
log(Log.ERROR, ex, null);
}
public static void e(String message, Object... args) {
log(Log.ERROR, null, message, args);
}
public static void e(Throwable ex, String message, Object... args) {
log(Log.ERROR, ex, message, args);
}
private static void log(int priority, Throwable ex, String message, Object... args) {
if (DISABLED) return;
if (args.length > 0) {
message = String.format(message, args);
}
String log;
if (ex == null) {
log = message;
} else {
String logMessage = message == null ? ex.getMessage() : message;
String logBody = Log.getStackTraceString(ex);
log = String.format(LOG_FORMAT, logMessage, logBody);
}
Log.println(priority, ImageLoader.TAG, log);
}
}