Java Doc for DefaultServlet.java in  » Web-Server » Rimfaxe-Web-Server » org » apache » catalina » servlets » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Web Server » Rimfaxe Web Server » org.apache.catalina.servlets 
Source Cross Reference  Class Diagram Java Document (Java Doc) 


javax.servlet.http.HttpServlet
   org.apache.catalina.servlets.DefaultServlet

All known Subclasses:   org.apache.catalina.servlets.WebdavServlet,
DefaultServlet
public class DefaultServlet extends HttpServlet (Code)
The default resource-serving servlet for most web applications, used to serve static resources such as HTML pages and images.
author:
   Craig R. McClanahan
author:
   Remy Maucherat
version:
   $Revision: 1.57 $ $Date: 2002/06/14 03:19:43 $

Inner Class :protected class ResourceInfo

Field Summary
final protected static  StringRESOURCES_JNDI_NAME
     JNDI resources name.
protected  intdebug
     The debugging detail level for this servlet.
final protected static  SimpleDateFormatformats
     The set of SimpleDateFormat formats to use in getDateHeader().
final protected static  TimeZonegmtZone
    
protected  intinput
     The input buffer size to use when serving resources.
protected  booleanlistings
    
final protected static  MD5Encodermd5Encoder
     The MD5 helper object for this class.
protected static  MessageDigestmd5Helper
     MD5 message digest provider.
final protected static  StringmimeSeparation
    
protected  intoutput
     The output buffer size to use when serving resources.
protected  booleanreadOnly
     Read only flag.
protected static  StringManagersm
     The string manager for this package.
protected static  URLEncoderurlEncoder
     Array containing the safe characters set.
protected  Stringwelcomes
    


Method Summary
protected  StringappendParameters(HttpServletRequest request, String redirectPath)
     Append the request parameters to the redirection string before calling sendRedirect.
protected  booleancheckIfHeaders(HttpServletRequest request, HttpServletResponse response, ResourceInfo resourceInfo)
     Check if the conditions specified in the optional If headers are satisfied.
public  voiddestroy()
     Finalize this servlet.
protected  voiddisplaySize(StringBuffer buf, int filesize)
     Display the size of a file.
protected  voiddoDelete(HttpServletRequest req, HttpServletResponse resp)
     Process a POST request for the specified resource.
protected  voiddoGet(HttpServletRequest request, HttpServletResponse response)
     Process a GET request for the specified resource.
protected  voiddoHead(HttpServletRequest request, HttpServletResponse response)
     Process a HEAD request for the specified resource.
protected  voiddoPost(HttpServletRequest request, HttpServletResponse response)
     Process a POST request for the specified resource.
protected  voiddoPut(HttpServletRequest req, HttpServletResponse resp)
     Process a POST request for the specified resource.
protected  FileexecutePartialPut(HttpServletRequest req, Range range, String path)
     Handle a partial PUT.
protected  StringgetETag(ResourceInfo resourceInfo)
     Get the ETag associated with a file.
protected  StringgetRelativePath(HttpServletRequest request)
     Return the relative path associated with this servlet.
protected  DirContextgetResources()
     Get resources.
public  voidinit()
     Initialize this servlet.
protected  Stringnormalize(String path)
     Return a context-relative path, beginning with a "/", that represents the canonical version of the specified path after ".." and "." elements are resolved out.
protected  RangeparseContentRange(HttpServletRequest request, HttpServletResponse response)
     Parse the content-range header.
protected  VectorparseRange(HttpServletRequest request, HttpServletResponse response, ResourceInfo resourceInfo)
     Parse the range header.
protected  InputStreamrender(String contextPath, ResourceInfo resourceInfo)
     Return an InputStream to an HTML representation of the contents of this directory.
protected  StringrenderSize(long size)
     Render the specified file size (in bytes).
protected  StringrewriteUrl(String path)
     URL rewriter.
protected  voidserveResource(HttpServletRequest request, HttpServletResponse response, boolean content)
     Serve the specified resource, optionally including the data content.
protected  voidshowRequestInfo(HttpServletRequest req)
     Show HTTP header information.

Field Detail
RESOURCES_JNDI_NAME
final protected static String RESOURCES_JNDI_NAME(Code)
JNDI resources name.



debug
protected int debug(Code)
The debugging detail level for this servlet.



formats
final protected static SimpleDateFormat formats(Code)
The set of SimpleDateFormat formats to use in getDateHeader().



gmtZone
final protected static TimeZone gmtZone(Code)



input
protected int input(Code)
The input buffer size to use when serving resources.



listings
protected boolean listings(Code)
Should we generate directory listings when no welcome file is present?



md5Encoder
final protected static MD5Encoder md5Encoder(Code)
The MD5 helper object for this class.



md5Helper
protected static MessageDigest md5Helper(Code)
MD5 message digest provider.



mimeSeparation
final protected static String mimeSeparation(Code)
MIME multipart separation string



output
protected int output(Code)
The output buffer size to use when serving resources.



readOnly
protected boolean readOnly(Code)
Read only flag. By default, it's set to true.



sm
protected static StringManager sm(Code)
The string manager for this package.



urlEncoder
protected static URLEncoder urlEncoder(Code)
Array containing the safe characters set.



welcomes
protected String welcomes(Code)
The set of welcome files for this web application





Method Detail
appendParameters
protected String appendParameters(HttpServletRequest request, String redirectPath)(Code)
Append the request parameters to the redirection string before calling sendRedirect.



checkIfHeaders
protected boolean checkIfHeaders(HttpServletRequest request, HttpServletResponse response, ResourceInfo resourceInfo) throws IOException(Code)
Check if the conditions specified in the optional If headers are satisfied.
Parameters:
  request - The servlet request we are processing
Parameters:
  response - The servlet response we are creating
Parameters:
  resourceInfo - File object boolean true if the resource meets all the specified conditions,and false if any of the conditions is not satisfied, in which caserequest processing is stopped



destroy
public void destroy()(Code)
Finalize this servlet.



displaySize
protected void displaySize(StringBuffer buf, int filesize)(Code)
Display the size of a file.



doDelete
protected void doDelete(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException(Code)
Process a POST request for the specified resource.
Parameters:
  request - The servlet request we are processing
Parameters:
  response - The servlet response we are creating
exception:
  IOException - if an input/output error occurs
exception:
  ServletException - if a servlet-specified error occurs



doGet
protected void doGet(HttpServletRequest request, HttpServletResponse response) throws IOException, ServletException(Code)
Process a GET request for the specified resource.
Parameters:
  request - The servlet request we are processing
Parameters:
  response - The servlet response we are creating
exception:
  IOException - if an input/output error occurs
exception:
  ServletException - if a servlet-specified error occurs



doHead
protected void doHead(HttpServletRequest request, HttpServletResponse response) throws IOException, ServletException(Code)
Process a HEAD request for the specified resource.
Parameters:
  request - The servlet request we are processing
Parameters:
  response - The servlet response we are creating
exception:
  IOException - if an input/output error occurs
exception:
  ServletException - if a servlet-specified error occurs



doPost
protected void doPost(HttpServletRequest request, HttpServletResponse response) throws IOException, ServletException(Code)
Process a POST request for the specified resource.
Parameters:
  request - The servlet request we are processing
Parameters:
  response - The servlet response we are creating
exception:
  IOException - if an input/output error occurs
exception:
  ServletException - if a servlet-specified error occurs



doPut
protected void doPut(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException(Code)
Process a POST request for the specified resource.
Parameters:
  request - The servlet request we are processing
Parameters:
  response - The servlet response we are creating
exception:
  IOException - if an input/output error occurs
exception:
  ServletException - if a servlet-specified error occurs



executePartialPut
protected File executePartialPut(HttpServletRequest req, Range range, String path) throws IOException(Code)
Handle a partial PUT. New content specified in request is appended to existing content in oldRevisionContent (if present). This code does not support simultaneous partial updates to the same resource.



getETag
protected String getETag(ResourceInfo resourceInfo)(Code)
Get the ETag associated with a file.
Parameters:
  resourceInfo - File object
Parameters:
  strong - True if we want a strong ETag, in which case a checksumof the file has to be calculated



getRelativePath
protected String getRelativePath(HttpServletRequest request)(Code)
Return the relative path associated with this servlet.
Parameters:
  request - The servlet request we are processing



getResources
protected DirContext getResources()(Code)
Get resources. This method will try to retrieve the resources through JNDI first, then in the servlet context if JNDI has failed (it could be disabled). It will return null. A JNDI DirContext, or null.



init
public void init() throws ServletException(Code)
Initialize this servlet.



normalize
protected String normalize(String path)(Code)
Return a context-relative path, beginning with a "/", that represents the canonical version of the specified path after ".." and "." elements are resolved out. If the specified path attempts to go outside the boundaries of the current context (i.e. too many ".." path elements are present), return null instead.
Parameters:
  path - Path to be normalized



parseContentRange
protected Range parseContentRange(HttpServletRequest request, HttpServletResponse response) throws IOException(Code)
Parse the content-range header.
Parameters:
  request - The servlet request we are processing
Parameters:
  response - The servlet response we are creating Range



parseRange
protected Vector parseRange(HttpServletRequest request, HttpServletResponse response, ResourceInfo resourceInfo) throws IOException(Code)
Parse the range header.
Parameters:
  request - The servlet request we are processing
Parameters:
  response - The servlet response we are creating Vector of ranges



render
protected InputStream render(String contextPath, ResourceInfo resourceInfo)(Code)
Return an InputStream to an HTML representation of the contents of this directory.
Parameters:
  contextPath - Context path to which our internal paths arerelative



renderSize
protected String renderSize(long size)(Code)
Render the specified file size (in bytes).
Parameters:
  size - File size (in bytes)



rewriteUrl
protected String rewriteUrl(String path)(Code)
URL rewriter.
Parameters:
  path - Path which has to be rewiten



serveResource
protected void serveResource(HttpServletRequest request, HttpServletResponse response, boolean content) throws IOException, ServletException(Code)
Serve the specified resource, optionally including the data content.
Parameters:
  request - The servlet request we are processing
Parameters:
  response - The servlet response we are creating
Parameters:
  content - Should the content be included?
exception:
  IOException - if an input/output error occurs
exception:
  ServletException - if a servlet-specified error occurs



showRequestInfo
protected void showRequestInfo(HttpServletRequest req)(Code)
Show HTTP header information.



Methods inherited from javax.servlet.http.HttpServlet
protected void doDelete(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException(Code)(Java Doc)
protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException(Code)(Java Doc)
protected void doHead(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException(Code)(Java Doc)
protected void doOptions(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException(Code)(Java Doc)
protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException(Code)(Java Doc)
protected void doPut(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException(Code)(Java Doc)
protected void doTrace(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException(Code)(Java Doc)
protected long getLastModified(HttpServletRequest req)(Code)(Java Doc)
protected void service(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException(Code)(Java Doc)
public void service(ServletRequest req, ServletResponse res) throws ServletException, IOException(Code)(Java Doc)

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