Java Doc for Engine.java in  » Web-Services » xins » org » xins » server » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Web Services » xins » org.xins.server 
Source Cross Reference  Class Diagram Java Document (Java Doc) 


java.lang.Object
   org.xins.server.Engine

Engine
final class Engine (Code)
XINS server engine. The engine is a delegate of the APIServlet that is responsible for initialization and request handling.
version:
   $Revision: 1.112 $ $Date: 2007/09/24 12:46:37 $
author:
   Ernst de Haan
author:
   Anthony Goubard
author:
   Mees Witteman



Constructor Summary
 Engine(ServletConfig config)
     Constructs a new Engine object.

Method Summary
 voiddestroy()
     Destroys this servlet.
 StringgetFileLocation(String path)
     Gets the location of a file or a directory included in the WAR file.
 InputStreamgetResourceAsStream(String path)
     Gets the resource in the WAR file.
 ServletConfiggetServletConfig()
     Returns the ServletConfig object which contains the build-time properties for this servlet.
 booleaninitAPI()
     Initializes the API using the current runtime settings.
static  voidlogTransaction(FunctionRequest request, FunctionResult result, String ip, long start, long duration)
     Logs the specified transaction.
 voidreloadPropertiesIfChanged()
     Re-initializes the configuration file listener if there is no file watcher; otherwise interrupts the file watcher.
 voidservice(HttpServletRequest request, HttpServletResponse response)
     Handles a request to this servlet (wrapper method).


Constructor Detail
Engine
Engine(ServletConfig config) throws IllegalArgumentException, ServletException(Code)
Constructs a new Engine object.
Parameters:
  config - the ServletConfig object which contains build-time propertiesfor this servlet, cannot be null.
throws:
  IllegalArgumentException - if config == null.
throws:
  ServletException - if the engine could not be constructed.




Method Detail
destroy
void destroy()(Code)
Destroys this servlet. A best attempt will be made to release all resources.

After this method has finished, it will set the state to disposed. In that state no more requests will be handled.




getFileLocation
String getFileLocation(String path)(Code)
Gets the location of a file or a directory included in the WAR file.
Parameters:
  path - the relative path in the WAR to locate the file or the directory.the String representation of the URL of the given path or nullif the path cannot be found.



getResourceAsStream
InputStream getResourceAsStream(String path) throws IllegalArgumentException(Code)
Gets the resource in the WAR file.
Parameters:
  path - the path for the resource, cannot be null and should start with /.the InputStream to use to read this resource or null ifthe resource cannot be found.
throws:
  IllegalArgumentException - if path == null or if the path doesn't start with /.
since:
   XINS 2.1.



getServletConfig
ServletConfig getServletConfig()(Code)
Returns the ServletConfig object which contains the build-time properties for this servlet. The returned ServletConfig object is the one that was passed to the constructor. the ServletConfig object that was used to initialize thisservlet, never null.



initAPI
boolean initAPI()(Code)
Initializes the API using the current runtime settings. This method should be called whenever the runtime properties changed. true if the initialization succeeded, otherwisefalse.



logTransaction
static void logTransaction(FunctionRequest request, FunctionResult result, String ip, long start, long duration) throws NullPointerException(Code)
Logs the specified transaction.
Parameters:
  request - the FunctionRequest, should not be null.
Parameters:
  result - the FunctionResult, should not be null.
Parameters:
  ip - the client IP address, should not be null.
Parameters:
  start - the start of the call, a timestamp as milliseconds since the Epoch.
Parameters:
  duration - the duration of the call, in milliseconds.
throws:
  NullPointerException - if request == null || result == null.



reloadPropertiesIfChanged
void reloadPropertiesIfChanged()(Code)
Re-initializes the configuration file listener if there is no file watcher; otherwise interrupts the file watcher.



service
void service(HttpServletRequest request, HttpServletResponse response) throws IOException(Code)
Handles a request to this servlet (wrapper method). If any of the arguments is null, then the behaviour of this method is undefined.
Parameters:
  request - the servlet request, should not be null.
Parameters:
  response - the servlet response, should not be null.
throws:
  IOException - in case of an I/O error.



Methods inherited from java.lang.Object
native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc)
public boolean equals(Object obj)(Code)(Java Doc)
protected void finalize() throws Throwable(Code)(Java Doc)
final native public Class getClass()(Code)(Java Doc)
native public int hashCode()(Code)(Java Doc)
final native public void notify()(Code)(Java Doc)
final native public void notifyAll()(Code)(Java Doc)
public String toString()(Code)(Java Doc)
final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc)
final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc)
final public void wait() throws InterruptedException(Code)(Java Doc)

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