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DownloadAttachmentsServlet - JBOSS Portal 2.6 API 英文版文档

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org.jboss.portlet.forums.servlet
Class DownloadAttachmentsServlet

java.lang.Object
  javax.servlet.GenericServlet
      javax.servlet.http.HttpServlet
          org.jboss.portlet.forums.servlet.DownloadAttachmentsServlet

All Implemented Interfaces:

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

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public class DownloadAttachmentsServlet

extends javax.servlet.http.HttpServlet

Provides attachments downloading capabilities

Version:

$Revision: 5448 $

Author:

Boleslaw Dawidowicz

See Also:

Serialized Form

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Field Summary
(package private)  int	BUF_SIZE
(package private)  ForumsModule	forumsModule
private  javax.transaction.TransactionManager	tm

 

Fields inherited from class javax.servlet.http.HttpServlet

 

Fields inherited from class javax.servlet.GenericServlet

 

Constructor Summary

DownloadAttachmentsServlet()

 

Method Summary
void	destroy()
void	doGet(javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response)
void	doPost(javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response)
private  Attachment	getAttachment(java.lang.Integer id)           In portal we don't use hibernate transactions because every request is surounded with JTA transaction context by portal.
void	init()
private  void	printMessage(java.lang.String msg, javax.servlet.http.HttpServletResponse resp)           this prints dummy message to output writer

 

Methods inherited from class javax.servlet.http.HttpServlet

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

 

Methods inherited from class javax.servlet.GenericServlet

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

 

Field Detail

tm

private javax.transaction.TransactionManager tm

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forumsModule

ForumsModule forumsModule

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BUF_SIZE

int BUF_SIZE

Constructor Detail

DownloadAttachmentsServlet

public DownloadAttachmentsServlet()

Method Detail

init

public void init()

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destroy

public void destroy()

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doPost

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

Throws:

javax.servlet.ServletException

java.io.IOException

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doGet

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

Throws:

javax.servlet.ServletException

java.io.IOException

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getAttachment

private Attachment getAttachment(java.lang.Integer id)

In portal we don't use hibernate transactions because every request is surounded with JTA transaction context by portal. So in servlet when we use ForumsModule we must do the same.

Parameters:

id -

Returns:

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printMessage

private void printMessage(java.lang.String msg,
                          javax.servlet.http.HttpServletResponse resp)

this prints dummy message to output writer

Parameters:

msg -

resp -

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