com.timeindexing.servlet
Class NewSelectServlet

java.lang.Object
  javax.servlet.GenericServlet
      javax.servlet.http.HttpServlet
          com.timeindexing.servlet.TimeindexingContextServlet
              com.timeindexing.servlet.NewSelectServlet

All Implemented Interfaces:

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

public class NewSelectServlet
extends TimeindexingContextServlet

This servlet selects data from an index. Data is specified for an index, given a start time and an end time.

If an error occurs when checking the servlet setup or in the arguments are incorrect the response goes through various jsp files. The following values are currently defined in the errorpages.properties file held by the servlet context in the /WEB-INF/classes/ directory. The values are shown here with their default values.

param-name	param-value
norepositorypage	/error/no_repository.jsp
noindexspecifiedpage	/error/no_index.jsp
nosecuritycodepage	/error/no_code.jsp
badsecuritycodepage	/error/bad_code.jsp
selectexceptionpage	//error/select_exception.jsp

If an excpetion occurs, the exception is placed in the request attribute "exception".
The response is presented through the selectexceptionpage.

See Also:

Serialized Form

Nested Class Summary

class

NewSelectServlet.WriterOutputStream Wrap a Writer as an Output Stream.

Constructor Summary

NewSelectServlet()

Method Summary

protected Selecter	allocateSelecter(java.lang.String filename, java.io.OutputStream out) allocate a Selecter
void	doGet(javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response)
protected void	doPlayBack(javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response) Playback the data.
protected java.lang.String	fileNameGenerator(IndexProperties properties) This filename generator, takes the arguments and generates a useful filename.
protected boolean	isSecurityCodeOn() Is security on.
protected void	postPlaybackError(javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response) This is called if there is an error during to playback.
protected void	prePlaybackError(javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response) This is called if there is an error prior to playback.
protected void	setContentType(javax.servlet.http.HttpServletResponse response, IndexProperties properties) Set the content type.
protected void	setContentType(java.lang.String mimeType) Set the content type.
protected void	setFilename(javax.servlet.http.HttpServletResponse response, IndexProperties properties) Set the filename for downloads.
protected void	setFilename(java.lang.String filename) Set the filename for downloads.

Methods inherited from class com.timeindexing.servlet.TimeindexingContextServlet

checkErrorPages, empty, init, initError, isBrowser

Methods inherited from class javax.servlet.http.HttpServlet

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

Methods inherited from class javax.servlet.GenericServlet

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

Methods inherited from class java.lang.Object

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

Constructor Detail

NewSelectServlet

public NewSelectServlet()

Method Detail

doGet

public void doGet(javax.servlet.http.HttpServletRequest request,
                  javax.servlet.http.HttpServletResponse response)
           throws java.io.IOException,
                  javax.servlet.ServletException

Overrides:

doGet in class javax.servlet.http.HttpServlet

Throws:

java.io.IOException

javax.servlet.ServletException

doPlayBack

protected void doPlayBack(javax.servlet.http.HttpServletRequest request,
                          javax.servlet.http.HttpServletResponse response)
                   throws java.io.IOException

Playback the data.

Throws:

java.io.IOException

prePlaybackError

protected void prePlaybackError(javax.servlet.http.HttpServletRequest request,
                                javax.servlet.http.HttpServletResponse response)
                         throws java.io.IOException

This is called if there is an error prior to playback.

Throws:

java.io.IOException

postPlaybackError

protected void postPlaybackError(javax.servlet.http.HttpServletRequest request,
                                 javax.servlet.http.HttpServletResponse response)
                          throws java.io.IOException

This is called if there is an error during to playback.

Throws:

java.io.IOException

isSecurityCodeOn

protected boolean isSecurityCodeOn()

Is security on.

allocateSelecter

protected Selecter allocateSelecter(java.lang.String filename,
                                    java.io.OutputStream out)

allocate a Selecter

setContentType

protected void setContentType(javax.servlet.http.HttpServletResponse response,
                              IndexProperties properties)

Set the content type.

setContentType

protected void setContentType(java.lang.String mimeType)

Set the content type.

setFilename

protected void setFilename(javax.servlet.http.HttpServletResponse response,
                           IndexProperties properties)

Set the filename for downloads.

setFilename

protected void setFilename(java.lang.String filename)

Set the filename for downloads.

fileNameGenerator

protected java.lang.String fileNameGenerator(IndexProperties properties)

This filename generator, takes the arguments and generates a useful filename. Returns filename-0:10-to-1:23.