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org.droidparts.util.L Maven / Gradle / Ivy
/**
* Copyright 2013 Alex Yanchenko
*
* 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 org.droidparts.util;
import static org.droidparts.util.Strings.isEmpty;
import java.io.PrintWriter;
import java.io.StringWriter;
import org.droidparts.Injector;
import org.droidparts.contract.Constants.ManifestMeta;
import android.content.Context;
import android.content.pm.PackageManager;
import android.os.Bundle;
import android.util.Log;
public class L {
public static void v(Object obj) {
if (isLoggable(VERBOSE)) {
log(VERBOSE, obj);
}
}
public static void v(String format, Object... args) {
if (isLoggable(VERBOSE)) {
log(VERBOSE, format, args);
}
}
public static void d(Object obj) {
if (isLoggable(DEBUG)) {
log(DEBUG, obj);
}
}
public static void d(String format, Object... args) {
if (isLoggable(DEBUG)) {
log(DEBUG, format, args);
}
}
public static void i(Object obj) {
if (isLoggable(INFO)) {
log(INFO, obj);
}
}
public static void i(String format, Object... args) {
if (isLoggable(INFO)) {
log(INFO, format, args);
}
}
public static void w(Object obj) {
if (isLoggable(WARN)) {
log(WARN, obj);
}
}
public static void w(String format, Object... args) {
if (isLoggable(WARN)) {
log(WARN, format, args);
}
}
public static void e(Object obj) {
if (isLoggable(ERROR)) {
log(ERROR, obj);
}
}
public static void e(String format, Object... args) {
if (isLoggable(ERROR)) {
log(ERROR, format, args);
}
}
public static void wtf(Object obj) {
if (isLoggable(ASSERT)) {
log(ASSERT, obj);
}
}
public static void wtf(String format, Object... args) {
if (isLoggable(ASSERT)) {
log(ASSERT, format, args);
}
}
public static void wtf() {
if (isLoggable(ASSERT)) {
log(ASSERT, "WTF");
}
}
public static void setMuted(boolean muted) {
L.muted = muted;
}
private static boolean muted;
public static boolean isLoggable(int level) {
if (muted) {
return (level == ASSERT);
} else {
return (isDebug() || level >= getLogLevel());
}
}
public static final int VERBOSE = Log.VERBOSE;
public static final int DEBUG = Log.DEBUG;
public static final int INFO = Log.INFO;
public static final int WARN = Log.WARN;
public static final int ERROR = Log.ERROR;
public static final int ASSERT = Log.ASSERT;
private static final int DISABLE = 1024;
private static final String TAG = "DroidParts";
private static void log(int priority, Object obj) {
String msg;
if (obj instanceof Throwable) {
StringWriter sw = new StringWriter();
((Throwable) obj).printStackTrace(new PrintWriter(sw));
msg = sw.toString();
} else {
msg = String.valueOf(obj);
if (isEmpty(msg)) {
msg = "\"\"";
}
}
Log.println(priority, getTag(isDebug()), msg);
}
private static void log(int priority, String format, Object... args) {
try {
String msg = String.format(format, args);
Log.println(priority, getTag(isDebug()), msg);
} catch (Exception e) {
e(e);
}
}
private static boolean isDebug() {
if (_debug == 0) {
Context ctx = Injector.getApplicationContext();
if (ctx != null) {
_debug = AppUtils.isDebuggable(ctx) ? 1 : -1;
}
}
return (_debug == 1);
}
private static int getLogLevel() {
if (_logLevel == 0) {
Context ctx = Injector.getApplicationContext();
if (ctx != null) {
String logLevelStr = null;
try {
Bundle metaData = ctx.getPackageManager()
.getApplicationInfo(ctx.getPackageName(),
PackageManager.GET_META_DATA).metaData;
logLevelStr = metaData.getString(ManifestMeta.LOG_LEVEL)
.toLowerCase().trim();
} catch (Exception e) {
// pass
}
if (ManifestMeta.VERBOSE.equals(logLevelStr)) {
_logLevel = VERBOSE;
} else if (ManifestMeta.DEBUG.equals(logLevelStr)) {
_logLevel = DEBUG;
} else if (ManifestMeta.INFO.equals(logLevelStr)) {
_logLevel = INFO;
} else if (ManifestMeta.WARN.equals(logLevelStr)) {
_logLevel = WARN;
} else if (ManifestMeta.ERROR.equals(logLevelStr)) {
_logLevel = ERROR;
} else if (ManifestMeta.ASSERT.equals(logLevelStr)) {
_logLevel = ASSERT;
} else if (ManifestMeta.DISABLE.equals(logLevelStr)) {
_logLevel = DISABLE;
} else {
_logLevel = DISABLE;
Log.i(TAG,
"No valid in AndroidManifest.xml. Logging disabled.");
}
}
}
return (_logLevel != 0) ? _logLevel : DISABLE;
}
private static String getTag(boolean debug) {
if (debug) {
StackTraceElement caller = Thread.currentThread().getStackTrace()[5];
String c = caller.getClassName();
String className = c.substring(c.lastIndexOf(".") + 1, c.length());
StringBuilder sb = new StringBuilder(5);
sb.append(className);
sb.append(".");
sb.append(caller.getMethodName());
sb.append("():");
sb.append(caller.getLineNumber());
return sb.toString();
} else {
if (_tag == null) {
Context ctx = Injector.getApplicationContext();
if (ctx != null) {
_tag = ctx.getPackageName();
}
}
return (_tag != null) ? _tag : TAG;
}
}
private static int _debug;
private static int _logLevel;
private static String _tag;
protected L() {
}
}