com.groiss.servlet
Class FileServlet

java.lang.Object
  javax.servlet.GenericServlet
      javax.servlet.http.HttpServlet
          com.groiss.servlet.FileServlet

All Implemented Interfaces:

java.io.Serializable, javax.servlet.Servlet, javax.servlet.ServletConfig

public class FileServlet
extends javax.servlet.http.HttpServlet

This servlet is for sending file to the browser.

See Also:

Serialized Form

Field Summary

protected static long	cnt
protected static java.lang.String	documentRoot
protected static long	expires
protected static java.util.Hashtable	repositories
protected static java.util.Hashtable	resources
protected static java.util.Hashtable	roots
protected static java.util.Hashtable	virtualRoots

Constructor Summary

FileServlet()

Method Summary

static void	addRepository(java.lang.String path, java.lang.String id)
static void	addResource(java.lang.String id, Resource res)
static void	addVirtualRoot(java.lang.String id, java.lang.String root)
static com.groiss.cache.CacheItem	findFile(java.util.Locale l, java.lang.String root, java.lang.String path)
static com.groiss.cache.CacheItem	findFile(java.util.Locale l, java.lang.String root, java.lang.String path, java.lang.String starts) lookup a file in the locale dependent file tree
static java.lang.String	getDocumentRoot()
static long	getRequestCount()
static java.lang.String	getVirtualRoot(java.lang.String id)
static java.lang.String	getVirtualRoot(java.lang.String vroot, java.lang.String loc)
static com.groiss.cache.CacheItem	loadAndLocalizeResource(java.util.Locale l, java.lang.String path) search files in classpath
static javax.servlet.http.HttpServletRequest	logRequest(javax.servlet.http.HttpServletRequest req)
protected void	service(javax.servlet.http.HttpServletRequest req0, javax.servlet.http.HttpServletResponse res)

Methods inherited from class javax.servlet.http.HttpServlet

doDelete, doGet, doHead, doOptions, doPost, doPut, doTrace, getLastModified, service

Methods inherited from class javax.servlet.GenericServlet

destroy, getInitParameter, getInitParameterNames, getServletConfig, getServletContext, getServletInfo, getServletName, init, init, log, log

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

virtualRoots

protected static java.util.Hashtable virtualRoots

resources

protected static java.util.Hashtable resources

roots

protected static java.util.Hashtable roots

repositories

protected static java.util.Hashtable repositories

documentRoot

protected static java.lang.String documentRoot

cnt

protected static long cnt

expires

protected static long expires

Constructor Detail

FileServlet

public FileServlet()

Method Detail

service

protected void service(javax.servlet.http.HttpServletRequest req0,
                       javax.servlet.http.HttpServletResponse res)
                throws java.io.IOException,
                       javax.servlet.ServletException

Overrides:

service in class javax.servlet.http.HttpServlet

Throws:

java.io.IOException

javax.servlet.ServletException

getVirtualRoot

public static java.lang.String getVirtualRoot(java.lang.String id)

getRequestCount

public static long getRequestCount()

getVirtualRoot

public static java.lang.String getVirtualRoot(java.lang.String vroot,
                                              java.lang.String loc)

addVirtualRoot

public static void addVirtualRoot(java.lang.String id,
                                  java.lang.String root)

addResource

public static void addResource(java.lang.String id,
                               Resource res)

addRepository

public static void addRepository(java.lang.String path,
                                 java.lang.String id)

getDocumentRoot

public static java.lang.String getDocumentRoot()

findFile

public static com.groiss.cache.CacheItem findFile(java.util.Locale l,
                                                  java.lang.String root,
                                                  java.lang.String path)
                                           throws java.io.FileNotFoundException,
                                                  java.io.IOException

Throws:

java.io.FileNotFoundException

java.io.IOException

findFile

public static com.groiss.cache.CacheItem findFile(java.util.Locale l,
                                                  java.lang.String root,
                                                  java.lang.String path,
                                                  java.lang.String starts)
                                           throws java.io.FileNotFoundException,
                                                  java.io.IOException

lookup a file in the locale dependent file tree

Parameters:

l - the locale, can be null for locale independent files

root - the root of search

path - the relative path of the resource

starts - the id of the application, needed for finding the resource to make the language substitutions

Throws:

java.io.FileNotFoundException

java.io.IOException

loadAndLocalizeResource

public static com.groiss.cache.CacheItem loadAndLocalizeResource(java.util.Locale l,
                                                                 java.lang.String path)
                                                          throws java.io.FileNotFoundException,
                                                                 java.io.IOException,
                                                                 ApplicationException

search files in classpath

Throws:

java.io.FileNotFoundException

java.io.IOException

ApplicationException

logRequest

public static javax.servlet.http.HttpServletRequest logRequest(javax.servlet.http.HttpServletRequest req)