3445f82907
Modifies the IConnectionService.aidl file to include Session.Info information to pass from Telecom to Telephony, which is used to start external Sessions in Telephony from Telecom. Test: Manual testing and Unit Tests pass Bug: 26571395 Change-Id: Ia09a0abfa13d5167542d4c67465ea9aa1930b58b
458 lines
16 KiB
Java
458 lines
16 KiB
Java
/*
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* Copyright 2014, The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package android.telecom;
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import android.content.Context;
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import android.net.Uri;
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import android.os.AsyncTask;
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import android.telecom.Logging.EventManager;
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import android.telecom.Logging.Session;
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import android.telecom.Logging.SessionManager;
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import android.telephony.PhoneNumberUtils;
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import android.text.TextUtils;
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import com.android.internal.annotations.VisibleForTesting;
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import com.android.internal.util.IndentingPrintWriter;
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import java.security.MessageDigest;
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import java.security.NoSuchAlgorithmException;
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import java.util.IllegalFormatException;
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import java.util.Locale;
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/**
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* Manages logging for the entire module.
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*
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* @hide
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*/
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public class Log {
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private static final long EXTENDED_LOGGING_DURATION_MILLIS = 60000 * 30; // 30 minutes
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private static final int EVENTS_TO_CACHE = 10;
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private static final int EVENTS_TO_CACHE_DEBUG = 20;
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// Generic tag for all Telecom logging
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@VisibleForTesting
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public static String TAG = "TelecomFramework";
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private static final boolean FORCE_LOGGING = false; /* STOP SHIP if true */
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public static final boolean DEBUG = isLoggable(android.util.Log.DEBUG);
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public static final boolean INFO = isLoggable(android.util.Log.INFO);
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public static final boolean VERBOSE = isLoggable(android.util.Log.VERBOSE);
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public static final boolean WARN = isLoggable(android.util.Log.WARN);
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public static final boolean ERROR = isLoggable(android.util.Log.ERROR);
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// Used to synchronize singleton logging lazy initialization
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private static final Object sSingletonSync = new Object();
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private static EventManager sEventManager;
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private static SessionManager sSessionManager;
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/**
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* Tracks whether user-activated extended logging is enabled.
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*/
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private static boolean sIsUserExtendedLoggingEnabled = false;
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/**
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* The time when user-activated extended logging should be ended. Used to determine when
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* extended logging should automatically be disabled.
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*/
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private static long sUserExtendedLoggingStopTime = 0;
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private Log() {
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}
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public static void d(String prefix, String format, Object... args) {
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if (sIsUserExtendedLoggingEnabled) {
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maybeDisableLogging();
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android.util.Slog.i(TAG, buildMessage(prefix, format, args));
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} else if (DEBUG) {
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android.util.Slog.d(TAG, buildMessage(prefix, format, args));
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}
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}
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public static void d(Object objectPrefix, String format, Object... args) {
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if (sIsUserExtendedLoggingEnabled) {
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maybeDisableLogging();
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android.util.Slog.i(TAG, buildMessage(getPrefixFromObject(objectPrefix), format, args));
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} else if (DEBUG) {
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android.util.Slog.d(TAG, buildMessage(getPrefixFromObject(objectPrefix), format, args));
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}
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}
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public static void i(String prefix, String format, Object... args) {
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if (INFO) {
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android.util.Slog.i(TAG, buildMessage(prefix, format, args));
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}
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}
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public static void i(Object objectPrefix, String format, Object... args) {
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if (INFO) {
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android.util.Slog.i(TAG, buildMessage(getPrefixFromObject(objectPrefix), format, args));
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}
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}
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public static void v(String prefix, String format, Object... args) {
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if (sIsUserExtendedLoggingEnabled) {
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maybeDisableLogging();
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android.util.Slog.i(TAG, buildMessage(prefix, format, args));
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} else if (VERBOSE) {
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android.util.Slog.v(TAG, buildMessage(prefix, format, args));
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}
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}
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public static void v(Object objectPrefix, String format, Object... args) {
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if (sIsUserExtendedLoggingEnabled) {
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maybeDisableLogging();
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android.util.Slog.i(TAG, buildMessage(getPrefixFromObject(objectPrefix), format, args));
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} else if (VERBOSE) {
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android.util.Slog.v(TAG, buildMessage(getPrefixFromObject(objectPrefix), format, args));
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}
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}
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public static void w(String prefix, String format, Object... args) {
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if (WARN) {
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android.util.Slog.w(TAG, buildMessage(prefix, format, args));
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}
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}
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public static void w(Object objectPrefix, String format, Object... args) {
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if (WARN) {
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android.util.Slog.w(TAG, buildMessage(getPrefixFromObject(objectPrefix), format, args));
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}
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}
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public static void e(String prefix, Throwable tr, String format, Object... args) {
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if (ERROR) {
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android.util.Slog.e(TAG, buildMessage(prefix, format, args), tr);
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}
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}
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public static void e(Object objectPrefix, Throwable tr, String format, Object... args) {
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if (ERROR) {
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android.util.Slog.e(TAG, buildMessage(getPrefixFromObject(objectPrefix), format, args),
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tr);
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}
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}
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public static void wtf(String prefix, Throwable tr, String format, Object... args) {
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android.util.Slog.wtf(TAG, buildMessage(prefix, format, args), tr);
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}
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public static void wtf(Object objectPrefix, Throwable tr, String format, Object... args) {
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android.util.Slog.wtf(TAG, buildMessage(getPrefixFromObject(objectPrefix), format, args),
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tr);
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}
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public static void wtf(String prefix, String format, Object... args) {
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String msg = buildMessage(prefix, format, args);
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android.util.Slog.wtf(TAG, msg, new IllegalStateException(msg));
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}
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public static void wtf(Object objectPrefix, String format, Object... args) {
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String msg = buildMessage(getPrefixFromObject(objectPrefix), format, args);
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android.util.Slog.wtf(TAG, msg, new IllegalStateException(msg));
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}
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/**
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* The ease of use methods below only act mostly as proxies to the Session and Event Loggers.
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* They also control the lazy loaders of the singleton instances, which will never be loaded if
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* the proxy methods aren't used.
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*
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* Please see each method's documentation inside of their respective implementations in the
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* loggers.
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*/
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public static void setSessionContext(Context context) {
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getSessionManager().setContext(context);
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}
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public static void startSession(String shortMethodName) {
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getSessionManager().startSession(shortMethodName, null);
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}
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public static void startSession(Session.Info info, String shortMethodName) {
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getSessionManager().startSession(info, shortMethodName, null);
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}
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public static void startSession(String shortMethodName, String callerIdentification) {
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getSessionManager().startSession(shortMethodName, callerIdentification);
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}
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public static void startSession(Session.Info info, String shortMethodName,
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String callerIdentification) {
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getSessionManager().startSession(info, shortMethodName, callerIdentification);
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}
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public static Session createSubsession() {
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return getSessionManager().createSubsession();
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}
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public static Session.Info getExternalSession() {
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return getSessionManager().getExternalSession();
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}
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public static void cancelSubsession(Session subsession) {
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getSessionManager().cancelSubsession(subsession);
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}
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public static void continueSession(Session subsession, String shortMethodName) {
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getSessionManager().continueSession(subsession, shortMethodName);
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}
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public static void endSession() {
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getSessionManager().endSession();
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}
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public static void registerSessionListener(SessionManager.ISessionListener l) {
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getSessionManager().registerSessionListener(l);
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}
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public static String getSessionId() {
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// If the Session logger has not been initialized, then there have been no sessions logged.
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// Don't load it now!
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synchronized (sSingletonSync) {
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if (sSessionManager != null) {
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return getSessionManager().getSessionId();
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} else {
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return "";
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}
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}
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}
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public static void addEvent(EventManager.Loggable recordEntry, String event) {
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getEventManager().event(recordEntry, event, null);
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}
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public static void addEvent(EventManager.Loggable recordEntry, String event, Object data) {
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getEventManager().event(recordEntry, event, data);
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}
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public static void addEvent(EventManager.Loggable recordEntry, String event, String format,
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Object... args) {
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getEventManager().event(recordEntry, event, format, args);
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}
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public static void registerEventListener(EventManager.EventListener e) {
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getEventManager().registerEventListener(e);
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}
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public static void addRequestResponsePair(EventManager.TimedEventPair p) {
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getEventManager().addRequestResponsePair(p);
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}
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public static void dumpEvents(IndentingPrintWriter pw) {
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// If the Events logger has not been initialized, then there have been no events logged.
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// Don't load it now!
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synchronized (sSingletonSync) {
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if (sEventManager != null) {
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getEventManager().dumpEvents(pw);
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} else {
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pw.println("No Historical Events Logged.");
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}
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}
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}
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/**
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* Enable or disable extended telecom logging.
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*
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* @param isExtendedLoggingEnabled {@code true} if extended logging should be enabled,
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* {@code false} if it should be disabled.
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*/
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public static void setIsExtendedLoggingEnabled(boolean isExtendedLoggingEnabled) {
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// If the state hasn't changed, bail early.
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if (sIsUserExtendedLoggingEnabled == isExtendedLoggingEnabled) {
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return;
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}
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if (sEventManager != null) {
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sEventManager.changeEventCacheSize(isExtendedLoggingEnabled ?
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EVENTS_TO_CACHE_DEBUG : EVENTS_TO_CACHE);
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}
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sIsUserExtendedLoggingEnabled = isExtendedLoggingEnabled;
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if (sIsUserExtendedLoggingEnabled) {
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sUserExtendedLoggingStopTime = System.currentTimeMillis()
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+ EXTENDED_LOGGING_DURATION_MILLIS;
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} else {
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sUserExtendedLoggingStopTime = 0;
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}
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}
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private static EventManager getEventManager() {
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// Checking for null again outside of synchronization because we only need to synchronize
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// during the lazy loading of the events logger. We don't need to synchronize elsewhere.
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if (sEventManager == null) {
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synchronized (sSingletonSync) {
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if (sEventManager == null) {
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sEventManager = new EventManager(Log::getSessionId);
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return sEventManager;
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}
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}
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}
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return sEventManager;
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}
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private static SessionManager getSessionManager() {
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// Checking for null again outside of synchronization because we only need to synchronize
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// during the lazy loading of the session logger. We don't need to synchronize elsewhere.
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if (sSessionManager == null) {
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synchronized (sSingletonSync) {
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if (sSessionManager == null) {
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sSessionManager = new SessionManager();
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return sSessionManager;
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}
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}
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}
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return sSessionManager;
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}
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private static MessageDigest sMessageDigest;
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public static void initMd5Sum() {
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new AsyncTask<Void, Void, Void>() {
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@Override
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public Void doInBackground(Void... args) {
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MessageDigest md;
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try {
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md = MessageDigest.getInstance("SHA-1");
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} catch (NoSuchAlgorithmException e) {
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md = null;
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}
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sMessageDigest = md;
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return null;
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}
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}.execute();
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}
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public static void setTag(String tag) {
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TAG = tag;
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}
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/**
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* If user enabled extended logging is enabled and the time limit has passed, disables the
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* extended logging.
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*/
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private static void maybeDisableLogging() {
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if (!sIsUserExtendedLoggingEnabled) {
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return;
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}
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if (sUserExtendedLoggingStopTime < System.currentTimeMillis()) {
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sUserExtendedLoggingStopTime = 0;
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sIsUserExtendedLoggingEnabled = false;
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}
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}
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public static boolean isLoggable(int level) {
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return FORCE_LOGGING || android.util.Log.isLoggable(TAG, level);
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}
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public static String piiHandle(Object pii) {
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if (pii == null || VERBOSE) {
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return String.valueOf(pii);
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}
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StringBuilder sb = new StringBuilder();
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if (pii instanceof Uri) {
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Uri uri = (Uri) pii;
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String scheme = uri.getScheme();
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if (!TextUtils.isEmpty(scheme)) {
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sb.append(scheme).append(":");
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}
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String textToObfuscate = uri.getSchemeSpecificPart();
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if (PhoneAccount.SCHEME_TEL.equals(scheme)) {
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for (int i = 0; i < textToObfuscate.length(); i++) {
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char c = textToObfuscate.charAt(i);
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sb.append(PhoneNumberUtils.isDialable(c) ? "*" : c);
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}
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} else if (PhoneAccount.SCHEME_SIP.equals(scheme)) {
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for (int i = 0; i < textToObfuscate.length(); i++) {
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char c = textToObfuscate.charAt(i);
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if (c != '@' && c != '.') {
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c = '*';
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}
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sb.append(c);
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}
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} else {
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sb.append(pii(pii));
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}
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}
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return sb.toString();
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}
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/**
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* Redact personally identifiable information for production users.
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* If we are running in verbose mode, return the original string, otherwise
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* return a SHA-1 hash of the input string.
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*/
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public static String pii(Object pii) {
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if (pii == null || VERBOSE) {
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return String.valueOf(pii);
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}
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return "[" + secureHash(String.valueOf(pii).getBytes()) + "]";
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}
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private static String secureHash(byte[] input) {
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if (sMessageDigest != null) {
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sMessageDigest.reset();
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sMessageDigest.update(input);
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byte[] result = sMessageDigest.digest();
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return encodeHex(result);
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} else {
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return "Uninitialized SHA1";
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}
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}
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private static String encodeHex(byte[] bytes) {
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StringBuffer hex = new StringBuffer(bytes.length * 2);
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for (int i = 0; i < bytes.length; i++) {
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int byteIntValue = bytes[i] & 0xff;
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if (byteIntValue < 0x10) {
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hex.append("0");
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}
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hex.append(Integer.toString(byteIntValue, 16));
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}
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return hex.toString();
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}
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private static String getPrefixFromObject(Object obj) {
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return obj == null ? "<null>" : obj.getClass().getSimpleName();
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}
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private static String buildMessage(String prefix, String format, Object... args) {
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// Incorporate thread ID and calling method into prefix
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String sessionName = getSessionId();
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String sessionPostfix = TextUtils.isEmpty(sessionName) ? "" : ": " + sessionName;
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String msg;
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try {
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msg = (args == null || args.length == 0) ? format
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: String.format(Locale.US, format, args);
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} catch (IllegalFormatException ife) {
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e(TAG, ife, "Log: IllegalFormatException: formatString='%s' numArgs=%d", format,
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args.length);
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msg = format + " (An error occurred while formatting the message.)";
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}
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return String.format(Locale.US, "%s: %s%s", prefix, msg, sessionPostfix);
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}
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}
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