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- /*
- * Copyright 2000-2018 Vaadin Ltd.
- *
- * 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.vaadin.server;
-
- import java.util.Collections;
- import java.util.Enumeration;
- import java.util.HashSet;
- import java.util.Set;
-
- import javax.servlet.http.HttpSession;
-
- /**
- * Wrapper for {@link HttpSession}.
- *
- * @author Vaadin Ltd
- * @since 7.0.0
- * @see WrappedSession
- */
- public class WrappedHttpSession implements WrappedSession {
-
- private final HttpSession session;
-
- /**
- * Creates a new wrapped http session.
- *
- * @param session
- * the http session to wrap.
- */
- public WrappedHttpSession(HttpSession session) {
- this.session = session;
- }
-
- @Override
- public int getMaxInactiveInterval() {
- return session.getMaxInactiveInterval();
- }
-
- @Override
- public Object getAttribute(String name) {
- return session.getAttribute(name);
- }
-
- @Override
- public void setAttribute(String name, Object value) {
- session.setAttribute(name, value);
- }
-
- /**
- * Gets the wrapped {@link HttpSession}.
- *
- * @return the wrapped http session
- */
- public HttpSession getHttpSession() {
- return session;
- }
-
- @Override
- public Set<String> getAttributeNames() {
- Enumeration<String> attributeNames = session.getAttributeNames();
- return enumerationToSet(attributeNames);
- }
-
- // Helper shared with WrappedPortletSession
- static <T> Set<T> enumerationToSet(Enumeration<T> values) {
- HashSet<T> set = new HashSet<>();
- while (values.hasMoreElements()) {
- set.add(values.nextElement());
- }
- return Collections.unmodifiableSet(set);
- }
-
- @Override
- public void invalidate() {
- if (session == null) {
- throw new IllegalStateException(
- "Session is null and cannot be invalidated");
- }
-
- if (session.getClass().getName()
- .equals("org.atmosphere.util.FakeHttpSession")) {
- throw new UnsupportedOperationException(
- "FakeHttpSession cannot be invalidated. "
- + "This typically means you are using websockets together with Tomcat 7. "
- + "Because Tomcat 7 does not support sharing the HTTP session between standard HTTP requests and websockets, a copy of the session is used for websockets. "
- + "Invalidating this session does not have the desired effect. "
- + "To resolve this, upgrade to Tomcat 8 or use another transport mechanism than websockets.");
- }
- session.invalidate();
- }
-
- @Override
- public String getId() {
- return session.getId();
- }
-
- @Override
- public long getCreationTime() {
- return session.getCreationTime();
- }
-
- @Override
- public long getLastAccessedTime() {
- return session.getLastAccessedTime();
- }
-
- @Override
- public boolean isNew() {
- return session.isNew();
- }
-
- @Override
- public void removeAttribute(String name) {
- session.removeAttribute(name);
- }
-
- @Override
- public void setMaxInactiveInterval(int interval) {
- session.setMaxInactiveInterval(interval);
- }
-
- }
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