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/*
* Copyright (C) 2013 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.settings.print;
import android.content.ComponentName;
import android.content.Context;
import android.provider.Settings;
import android.text.TextUtils;
import android.text.TextUtils.SimpleStringSplitter;
import java.util.ArrayList;import java.util.List;
/**
* Helper methods for reading and writing to print settings.
*/
public class PrintSettingsUtils {
private static final char ENABLED_PRINT_SERVICES_SEPARATOR = ':';
private PrintSettingsUtils() {
/* do nothing */
}
public static List<ComponentName> readEnabledPrintServices(Context context) {
List<ComponentName> enabledServices = new ArrayList<ComponentName>();
String enabledServicesSetting = Settings.Secure.getString(context
.getContentResolver(), Settings.Secure.ENABLED_PRINT_SERVICES);
if (TextUtils.isEmpty(enabledServicesSetting)) {
return enabledServices;
}
SimpleStringSplitter colonSplitter = new SimpleStringSplitter(
ENABLED_PRINT_SERVICES_SEPARATOR);
colonSplitter.setString(enabledServicesSetting);
while (colonSplitter.hasNext()) {
String componentNameString = colonSplitter.next();
ComponentName enabledService = ComponentName.unflattenFromString(
componentNameString);
if (enabledService != null) {
enabledServices.add(enabledService);
}
}
return enabledServices;
}
public static void writeEnabledPrintServices(Context context,
List<ComponentName> services) {
StringBuilder builder = new StringBuilder();
final int serviceCount = services.size();
for (int i = 0; i < serviceCount; i++) {
ComponentName service = services.get(i);
if (builder.length() > 0) {
builder.append(ENABLED_PRINT_SERVICES_SEPARATOR);
}
builder.append(service.flattenToString());
}
Settings.Secure.putString(context.getContentResolver(),
Settings.Secure.ENABLED_PRINT_SERVICES,
builder.toString());
}
}
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