/*
* Copyright (c) 2006-2011 Nuxeo SA (http://nuxeo.com/) and others.
*
* 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:
* bstefanescu
*/
package org.eclipse.ecr.web.jaxrs.context;
import java.security.Principal;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import javax.servlet.ServletRequest;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
/**
* An HTTP request context
*
* @author <a href="mailto:bs@nuxeo.com">Bogdan Stefanescu</a>
*
*/
@SuppressWarnings("serial")
public class RequestContext extends HashMap<String, Object> {
private static final ThreadLocal<RequestContext> CTX = new ThreadLocal<RequestContext>();
public static RequestContext getActiveContext() {
return CTX.get();
}
public static RequestContext getActiveContext(ServletRequest request) {
return (RequestContext)request.getAttribute(RequestContext.class.getName());
}
protected HttpServletRequest request;
protected HttpServletResponse response;
protected List<RequestCleanupHandler> cleanupHandlers;
public RequestContext(HttpServletRequest request, HttpServletResponse response) {
this.request = request;
this.response = response;
this.cleanupHandlers = new ArrayList<RequestCleanupHandler>();
CTX.set(this);
request.setAttribute(RequestContext.class.getName(), this);
}
public HttpServletRequest getRequest() {
return request;
}
public HttpServletResponse getResponse() {
return response;
}
public Principal getUserPrincipal() {
return request.getUserPrincipal();
}
@SuppressWarnings("unchecked")
public <T> T get(String key, Class<T> type) {
Object o = get(key);
return (T)o;
}
public void addRequestCleanupHandler(RequestCleanupHandler handler) {
cleanupHandlers.add(handler);
}
public boolean removeCleanupHandler(RequestCleanupHandler handler) {
return cleanupHandlers.remove(handler);
}
public void dispose() {
request.removeAttribute(RequestContext.class.getName());
CTX.remove();
for (RequestCleanupHandler handler : cleanupHandlers) {
try {
handler.cleanup(request);
} catch (Throwable t) {
// do nothing to allow other cleanup handlers to do their work
}
}
cleanupHandlers = null;
request = null;
response = null;
}
}