com.speedment.runtime.core.internal.util.InternalEmailUtil Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of runtime-deploy Show documentation
Show all versions of runtime-deploy Show documentation
A Speedment bundle that shades all dependencies into one jar. This is
useful when deploying an application on a server.
/**
*
* Copyright (c) 2006-2017, Speedment, Inc. All Rights Reserved.
*
* 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.speedment.runtime.core.internal.util;
import static com.speedment.runtime.core.util.StaticClassUtil.instanceNotAllowed;
import static java.util.Objects.requireNonNull;
import java.util.Optional;
import java.util.prefs.Preferences;
/**
*
* @author Emil Forslund
* @since 3.0.2
*/
public final class InternalEmailUtil {
private final static String FIELD_NAME = "user_mail";
private final static String DEFAULT_EMAIL = "no-mail-specified";
private final static Preferences PREFERENCES = Preferences.userNodeForPackage(InternalEmailUtil.class);
public static boolean hasEmail() {
final String storedEmail = PREFERENCES.get(FIELD_NAME, null);
if (storedEmail == null) {
return false;
}
return !DEFAULT_EMAIL.equals(storedEmail);
}
public static String getEmail() {
return Optional.ofNullable(
PREFERENCES.get(FIELD_NAME, null)
).orElse(DEFAULT_EMAIL);
}
public static void removeEmail() {
PREFERENCES.remove(FIELD_NAME);
}
public static void setEmail(String email) {
requireNonNull(email);
PREFERENCES.put(FIELD_NAME, email);
}
private InternalEmailUtil() {
instanceNotAllowed(getClass());
}
}