helma.servlet
Class StandaloneServletClient
java.lang.Object
javax.servlet.GenericServlet
javax.servlet.http.HttpServlet
helma.servlet.AbstractServletClient
helma.servlet.StandaloneServletClient
- All Implemented Interfaces:
- java.io.Serializable, javax.servlet.Servlet, javax.servlet.ServletConfig
public final class StandaloneServletClient
- extends AbstractServletClient
Standalone servlet client that runs a Helma application all by itself
in embedded mode without relying on a central instance of helma.main.Server
to start and manage the application.
StandaloneServletClient takes the following init parameters:
- application - the application name
- appdir - the path of the application home directory
- dbdir - the path of the embedded XML data store
- See Also:
- Serialized Form
Methods inherited from class javax.servlet.http.HttpServlet |
doDelete, doGet, doHead, doOptions, doPost, doPut, doTrace, getLastModified, service |
Methods inherited from class javax.servlet.GenericServlet |
getInitParameter, getInitParameterNames, getServletConfig, getServletContext, getServletName, init, log, log |
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
StandaloneServletClient
public StandaloneServletClient()
init
public void init(javax.servlet.ServletConfig init)
throws javax.servlet.ServletException
- Description copied from class:
AbstractServletClient
- Init this servlet.
- Specified by:
init
in interface javax.servlet.Servlet
- Overrides:
init
in class AbstractServletClient
- Parameters:
init
- ...
- Throws:
javax.servlet.ServletException
- ...
getApplication
public Application getApplication()
- Returns the
Applicaton
instance the servlet is talking to.
- Specified by:
getApplication
in class AbstractServletClient
- Returns:
- this servlet's application instance
createApp
protected void createApp()
- Create the application. Since we are synchronized only here, we
do another check if the app already exists and immediately return if it does.
destroy
public void destroy()
- The servlet is being destroyed. Close and release the application if
it does exist.
- Specified by:
destroy
in interface javax.servlet.Servlet
- Overrides:
destroy
in class javax.servlet.GenericServlet
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