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/*
* Copyright (C) 2019 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 android.view.contentcapture;
import static android.view.contentcapture.ContentCaptureManager.DEVICE_CONFIG_PROPERTY_LOGGING_LEVEL;
import static android.view.contentcapture.ContentCaptureManager.LOGGING_LEVEL_DEBUG;
import static android.view.contentcapture.ContentCaptureManager.LOGGING_LEVEL_OFF;
import static android.view.contentcapture.ContentCaptureManager.LOGGING_LEVEL_VERBOSE;
import android.annotation.Nullable;
import android.os.Build;
import android.provider.DeviceConfig;
import android.util.ArraySet;
import android.util.Log;
import android.view.contentcapture.ContentCaptureManager.LoggingLevel;
import java.util.ArrayList;
import java.util.List;
import java.util.Set;
/**
* Helper class for this package and server's.
*
* @hide
*/
public final class ContentCaptureHelper {
private static final String TAG = ContentCaptureHelper.class.getSimpleName();
public static boolean sVerbose = false;
public static boolean sDebug = true;
/**
* Used to log text that could contain PII.
*/
@Nullable
public static String getSanitizedString(@Nullable CharSequence text) {
return text == null ? null : text.length() + "_chars";
}
/**
* Gets the default logging level for the device.
*/
@LoggingLevel
public static int getDefaultLoggingLevel() {
return Build.IS_DEBUGGABLE ? LOGGING_LEVEL_DEBUG : LOGGING_LEVEL_OFF;
}
/**
* Sets the value of the static logging level constants based on device config.
*/
public static void setLoggingLevel() {
final int defaultLevel = getDefaultLoggingLevel();
final int level = DeviceConfig.getInt(DeviceConfig.NAMESPACE_CONTENT_CAPTURE,
DEVICE_CONFIG_PROPERTY_LOGGING_LEVEL, defaultLevel);
setLoggingLevel(level);
}
/**
* Sets the value of the static logging level constants based the given level.
*/
public static void setLoggingLevel(@LoggingLevel int level) {
Log.i(TAG, "Setting logging level to " + getLoggingLevelAsString(level));
sVerbose = sDebug = false;
switch (level) {
case LOGGING_LEVEL_VERBOSE:
sVerbose = true;
// fall through
case LOGGING_LEVEL_DEBUG:
sDebug = true;
return;
case LOGGING_LEVEL_OFF:
// You log nothing, Jon Snow!
return;
default:
Log.w(TAG, "setLoggingLevel(): invalud level: " + level);
}
}
/**
* Gets a user-friendly value for a content capture logging level.
*/
public static String getLoggingLevelAsString(@LoggingLevel int level) {
switch (level) {
case LOGGING_LEVEL_OFF:
return "OFF";
case LOGGING_LEVEL_DEBUG:
return "DEBUG";
case LOGGING_LEVEL_VERBOSE:
return "VERBOSE";
default:
return "UNKNOWN-" + level;
}
}
/**
* Converts a set to a list.
*/
@Nullable
public static <T> ArrayList<T> toList(@Nullable Set<T> set) {
return set == null ? null : new ArrayList<T>(set);
}
/**
* Converts a list to a set.
*/
@Nullable
public static <T> ArraySet<T> toSet(@Nullable List<T> list) {
return list == null ? null : new ArraySet<T>(list);
}
private ContentCaptureHelper() {
throw new UnsupportedOperationException("contains only static methods");
}
}
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