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Web Scripts as JSR-168 portlets

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git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@5627 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261
This commit is contained in:
David Caruana
2007-05-04 15:11:19 +00:00
parent 1618ac1a83
commit fa8309b777
31 changed files with 1981 additions and 885 deletions
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68
source/java/org/alfresco/web/scripts/WebScriptServlet.java
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@@ -31,6 +31,7 @@ import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.alfresco.service.transaction.TransactionService;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.springframework.context.ApplicationContext;
@@ -49,8 +50,11 @@ public class WebScriptServlet extends HttpServlet
// Logger
private static final Log logger = LogFactory.getLog(WebScriptServlet.class);
// Web Scripts
// Component Dependencies
private DeclarativeWebScriptRegistry registry;
private TransactionService transactionService;
private WebScriptServletAuthenticator authenticator;
@Override
@@ -59,14 +63,23 @@ public class WebScriptServlet extends HttpServlet
super.init();
ApplicationContext context = WebApplicationContextUtils.getRequiredWebApplicationContext(getServletContext());
registry = (DeclarativeWebScriptRegistry)context.getBean("webscripts.registry");
registry.initWebScripts();
transactionService = (TransactionService)context.getBean("transactionComponent");
// retrieve authenticator via servlet initialisation parameter
String authenticatorId = getInitParameter("authenticator");
if (authenticatorId == null || authenticatorId.length() == 0)
{
authenticatorId = "webscripts.authenticator.webclient";
}
Object bean = context.getBean(authenticatorId);
if (bean == null || !(bean instanceof WebScriptServletAuthenticator))
{
throw new ServletException("Initialisation parameter 'authenticator' does not refer to a Web Script authenticator (" + authenticatorId + ")");
}
authenticator = (WebScriptServletAuthenticator)bean;
}
// TODO:
// - authentication (as suggested in http://www.xml.com/pub/a/2003/12/17/dive.html)
/*
* (non-Javadoc)
*
@@ -75,48 +88,17 @@ public class WebScriptServlet extends HttpServlet
*/
protected void service(HttpServletRequest req, HttpServletResponse res) throws ServletException, IOException
{
long start = System.currentTimeMillis();
if (logger.isDebugEnabled())
logger.debug("Processing request (" + req.getMethod() + ") " + req.getRequestURL() + (req.getQueryString() != null ? "?" + req.getQueryString() : ""));
try
{
//
// Execute appropriate web scripy
//
// TODO: Handle errors (with appropriate HTTP error responses)
String uri = req.getPathInfo();
if (logger.isDebugEnabled())
logger.debug("Processing request (" + req.getMethod() + ") " + req.getRequestURL() + (req.getQueryString() != null ? "?" + req.getQueryString() : ""));
WebScriptMatch match = registry.findWebScript(req.getMethod(), uri);
if (match != null)
{
// setup web script context
WebScriptRequest apiReq = new WebScriptRequest(req, match);
WebScriptResponse apiRes = new WebScriptResponse(res);
if (logger.isDebugEnabled())
logger.debug("Agent: " + apiReq.getAgent());
// execute service
match.getWebScript().execute(apiReq, apiRes);
}
else
{
if (logger.isDebugEnabled())
logger.debug("Request does not map to service.");
res.setStatus(HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
// TODO: add appropriate error detail
}
WebScriptRuntime runtime = new WebScriptServletRuntime(registry, transactionService, authenticator, req, res);
runtime.executeScript();
}
// TODO: exception handling
finally
catch(Throwable e)
{
long end = System.currentTimeMillis();
if (logger.isDebugEnabled())
logger.debug("Processed request (" + req.getMethod() + ") " + req.getRequestURL() + (req.getQueryString() != null ? "?" + req.getQueryString() : "") + " in " + (end - start) + "ms");
res.setStatus(HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
}
}