Files
WechatTicketSystem/src/main/java/love/sola/netsupport/session/MapSession.java
Sola c8dd0d6306 Polish and reformatting
Signed-off-by: Sola <dev@sola.love>
2018-08-12 18:29:41 +08:00

131 lines
3.7 KiB
Java

/*
* This file is part of WechatTicketSystem.
*
* WechatTicketSystem is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* WechatTicketSystem is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with WechatTicketSystem. If not, see <http://www.gnu.org/licenses/>.
*/
/*
* Copyright 2002-2015 the original author or authors.
*
* 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 love.sola.netsupport.session;
import java.io.Serializable;
import java.util.HashMap;
import java.util.Map;
import java.util.Objects;
import java.util.Set;
import java.util.UUID;
/**
* @author Sola {@literal <dev@sola.love>}
*/
public final class MapSession implements WxSession, Serializable {
private final String id;
private Map<String, Object> sessionAttrs = new HashMap<String, Object>();
private long creationTime = System.currentTimeMillis();
private long lastAccessedTime = creationTime;
private boolean invalidated = false;
/**
* Creates a new instance with a secure randomly generated identifier.
*/
public MapSession() {
this(UUID.randomUUID().toString());
}
/**
* Creates a new instance with the specified id. This is preferred to the
* default constructor when the id is known to prevent unnecessary consumption on
* entropy which can be slow.
*
* @param id the identifier to use
*/
public MapSession(String id) {
this.id = id;
}
@SuppressWarnings("unchecked")
public <T> T getAttribute(String attributeName) {
return (T) sessionAttrs.get(attributeName);
}
public Set<String> getAttributeNames() {
return sessionAttrs.keySet();
}
public void setAttribute(String attributeName, Object attributeValue) {
if (attributeValue == null) {
removeAttribute(attributeName);
} else {
sessionAttrs.put(attributeName, attributeValue);
}
}
public void removeAttribute(String attributeName) {
sessionAttrs.remove(attributeName);
}
public void invalidate() {
invalidated = true;
}
public long getLastAccessedTime() {
return lastAccessedTime;
}
public void setLastAccessedTime(long lastAccessedTime) {
this.lastAccessedTime = lastAccessedTime;
}
@Override
public String getId() {
return id;
}
public long getCreationTime() {
return creationTime;
}
public boolean isInvalidated() {
return invalidated;
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (!(o instanceof MapSession)) return false;
MapSession that = (MapSession) o;
return Objects.equals(id, that.id);
}
@Override
public int hashCode() {
return Objects.hash(id);
}
}