| /******************************************************************************* |
| * Copyright (c) 2008, 2010 VMware Inc. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * VMware Inc. - initial contribution |
| *******************************************************************************/ |
| |
| package org.eclipse.virgo.snaps.core.internal.webapp.container; |
| |
| import java.util.Enumeration; |
| |
| import javax.naming.OperationNotSupportedException; |
| import javax.servlet.http.HttpSession; |
| import javax.servlet.http.HttpSessionContext; |
| |
| import org.eclipse.virgo.snaps.core.internal.webapp.SnapServletContext; |
| |
| @SuppressWarnings("deprecation") |
| public final class SnapHttpSession extends HttpSessionWrapper { |
| |
| private static final String QUALIFIED_NAME_MARKER = "##"; |
| |
| // This constant should have the same value as within org.springframework.aop.scope.ScopedProxyUtils |
| private static final String TARGET_NAME_PREFIX = "scopedTarget."; |
| |
| private final SnapServletContext snapServletContext; |
| |
| public SnapHttpSession(HttpSession delegate, SnapServletContext snapServletContext) { |
| super(delegate); |
| this.snapServletContext = snapServletContext; |
| } |
| |
| @Override |
| public Object getAttribute(String name) { |
| Object value = super.getAttribute(qualifyName(name)); |
| if (value == null) { |
| value = super.getAttribute(name); |
| } |
| return value; |
| } |
| |
| @Override |
| public Enumeration<String> getAttributeNames() { |
| return new UnqualifyingEnumerationWrapper(super.getAttributeNames()); |
| } |
| |
| @Override |
| public void removeAttribute(String name) { |
| super.removeAttribute(qualifyName(name)); |
| if (name.startsWith(TARGET_NAME_PREFIX)) { |
| super.removeAttribute(name); |
| } |
| } |
| |
| @Override |
| public void setAttribute(String name, Object value) { |
| super.setAttribute(qualifyName(name), value); |
| if (name.startsWith(TARGET_NAME_PREFIX)) { |
| super.setAttribute(name, value); |
| } |
| } |
| |
| @Override |
| public HttpSessionContext getSessionContext() { |
| throw new RuntimeException(new OperationNotSupportedException("getSessionContext is deprecated")); |
| } |
| |
| private String qualifyName(String baseName) { |
| return QUALIFIED_NAME_MARKER + this.snapServletContext.getSnapContextPath() + "." + baseName; |
| } |
| |
| private String unqualifyName(String name) { |
| String unqualified = name; |
| if (unqualified.startsWith(QUALIFIED_NAME_MARKER)) { |
| int index = unqualified.indexOf("."); |
| if (index > -1) { |
| unqualified = name.substring(index + 1); |
| } |
| } |
| return unqualified; |
| } |
| |
| private final class UnqualifyingEnumerationWrapper implements Enumeration<String> { |
| |
| private final Enumeration<?> delegate; |
| |
| public UnqualifyingEnumerationWrapper(Enumeration<?> delegate) { |
| this.delegate = delegate; |
| } |
| |
| public boolean hasMoreElements() { |
| return delegate.hasMoreElements(); |
| } |
| |
| public String nextElement() { |
| String element = (String) delegate.nextElement(); |
| if (element != null) { |
| element = unqualifyName(element); |
| } |
| return element; |
| } |
| |
| } |
| |
| } |