org.teamapps.ux.session.CurrentSessionContext Maven / Gradle / Ivy
/*-
* ========================LICENSE_START=================================
* TeamApps
* ---
* Copyright (C) 2014 - 2023 TeamApps.org
* ---
* 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.
* =========================LICENSE_END==================================
*/
package org.teamapps.ux.session;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class CurrentSessionContext {
private static final Logger LOGGER = LoggerFactory.getLogger(CurrentSessionContext.class);
private static final ThreadLocal CURRENT_CONTEXT = new ThreadLocal<>();
public static SessionContext get() {
SessionContext sessionContext = CURRENT_CONTEXT.get();
if (sessionContext == null) {
String errorMessage = "CurrentSessionContext is not set but requested! Please use SessionContext.runWithContext(Runnable) to set the context.";
IllegalStateException illegalStateException = new IllegalStateException(errorMessage);
LOGGER.error(errorMessage, illegalStateException);
throw illegalStateException;
}
return sessionContext;
}
public static void throwIfNotSameAs(SessionContext sessionContext) {
SessionContext currentSessionContext = CURRENT_CONTEXT.get();
if (currentSessionContext != sessionContext) {
String errorMessage;
if (currentSessionContext == null) {
errorMessage = "CurrentSessionContext is not set! Please use SessionContext.runWithContext(Runnable) to set the context.";
} else {
errorMessage = "CurrentSessionContext is set to a different session context than expected! Please use SessionContext.runWithContext(Runnable) to set the context.";
}
IllegalStateException illegalStateException = new IllegalStateException(errorMessage);
LOGGER.error(errorMessage, illegalStateException);
throw illegalStateException;
}
}
public static SessionContext getOrNull() {
return CURRENT_CONTEXT.get();
}
/*package-private*/
static void set(SessionContext sessionContext) {
CURRENT_CONTEXT.set(sessionContext);
}
/*package-private*/
static void unset() {
CURRENT_CONTEXT.remove();
}
}