Re: question related to action and tile
On Thu, 23 Sep 2004 15:16:18 -0700, Amit Gupta [EMAIL PROTECTED] wrote: Can any body guide me how to rewrite URL with JSP and tomcat as it is possible with mode_rewrite with apache? Doing rewriting within the scope of a web application is possible with a Filter (Servlet 2.3 or later) that analyzes the incoming request properties, and does a RequestDispatcher.forward() to the desired path (instead of calling chain.doFilter() to execute the originally requested servlet). Doing such rewriting across web applications (i.e. from one context path to another) requires either running behind Apache or some other web server, or some other container-specific thing (ike writing a Valve for Tomcat, which is sort of a server-level equivalent to a servlet filter). Take care Amit Gupta Mobile:9891062552 Email: [EMAIL PROTECTED] Craig - Original Message - From: Václavík Radek [EMAIL PROTECTED] To: 'Struts Users Mailing List' [EMAIL PROTECTED] Sent: Wednesday, September 22, 2004 5:13 AM Subject: RE: question related to action and tile You may want to try adding this to the header of your jsp: meta http-equiv=expires content=1 / meta http-equiv=pragma content=no-cache / When the reload button is clicked, the browser should ask the user whether he/she wants to resend the entered information. It does not solve you problem completely (if the user chooses to resend the information, it is processed by the action again. But, on the other hand, you should take care of this e.g. in you validate method - maybe checking for existing name, id, etc.), but at least alerts the user, that he/she is doing someting repeatedly. Radek -Original Message- From: Lijuan Jing [mailto:[EMAIL PROTECTED] Sent: Wednesday, September 22, 2004 9:53 AM To: [EMAIL PROTECTED] Subject: question related to action and tile This is a question related to action and tile. action path=someURL name=submitForm type=someActionClass forward name=success path=.pages.tileDef1/ /action --- tile definition: definition name=.pages.Base path=/pages/common/layouts/baseLayout.jsp put name=footer value=/pages/common/header.jsp / put name=content value=/pages/content/home_content.jsp / put name=footer value=/pages/common/footer.jsp / /definition definition name=.pages.tileDef1 extends=.pages.Base put name=content value=/pages/content/real_content.jsp / /definition After someActionClass executed successfully, it displays page .pages.tileDef1, but the URL on browser still shows someURL. If user clicks browser's refresh button, the 'submitForm' will be submitted again and 'someActionClass' will be executed again which end up processing the 'submitForm' multiple times depends on how many time user clicks refresh. It becomes worse if the content of the form will be written to database. How do I know (while I am in action code) if it comes from the real button click or the refresh button click? Or I could show a different URL after the form is processed, then a dummy action has to be added. Not a clean way to do. action path=someURL name=submitForm type=someActionClass forward name=success path=/do/dummy/ /action action path=/dummy name=dummyForm type=dummyActionClass forward name=success path=.pages.tileDef1/ /action Thanks, Lijuan __ Do you Yahoo!? New and Improved Yahoo! Mail - Send 10MB messages! http://promotions.yahoo.com/new_mail - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] --- Outgoing mail is certified Virus Free. Checked by AVG anti-virus system (http://www.grisoft.com). Version: 6.0.768 / Virus Database: 515 - Release Date: 9/22/2004 - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Re: question related to action and tile
Can any body guide me how to rewrite URL with JSP and tomcat as it is possible with mode_rewrite with apache? Take care Amit Gupta Mobile:9891062552 Email: [EMAIL PROTECTED] - Original Message - From: Vclavk Radek [EMAIL PROTECTED] To: 'Struts Users Mailing List' [EMAIL PROTECTED] Sent: Wednesday, September 22, 2004 5:13 AM Subject: RE: question related to action and tile You may want to try adding this to the header of your jsp: meta http-equiv=expires content=1 / meta http-equiv=pragma content=no-cache / When the reload button is clicked, the browser should ask the user whether he/she wants to resend the entered information. It does not solve you problem completely (if the user chooses to resend the information, it is processed by the action again. But, on the other hand, you should take care of this e.g. in you validate method - maybe checking for existing name, id, etc.), but at least alerts the user, that he/she is doing someting repeatedly. Radek -Original Message- From: Lijuan Jing [mailto:[EMAIL PROTECTED] Sent: Wednesday, September 22, 2004 9:53 AM To: [EMAIL PROTECTED] Subject: question related to action and tile This is a question related to action and tile. action path=someURL name=submitForm type=someActionClass forward name=success path=.pages.tileDef1/ /action --- tile definition: definition name=.pages.Base path=/pages/common/layouts/baseLayout.jsp put name=footer value=/pages/common/header.jsp / put name=content value=/pages/content/home_content.jsp / put name=footer value=/pages/common/footer.jsp / /definition definition name=.pages.tileDef1 extends=.pages.Base put name=content value=/pages/content/real_content.jsp / /definition After someActionClass executed successfully, it displays page .pages.tileDef1, but the URL on browser still shows someURL. If user clicks browser's refresh button, the 'submitForm' will be submitted again and 'someActionClass' will be executed again which end up processing the 'submitForm' multiple times depends on how many time user clicks refresh. It becomes worse if the content of the form will be written to database. How do I know (while I am in action code) if it comes from the real button click or the refresh button click? Or I could show a different URL after the form is processed, then a dummy action has to be added. Not a clean way to do. action path=someURL name=submitForm type=someActionClass forward name=success path=/do/dummy/ /action action path=/dummy name=dummyForm type=dummyActionClass forward name=success path=.pages.tileDef1/ /action Thanks, Lijuan __ Do you Yahoo!? New and Improved Yahoo! Mail - Send 10MB messages! http://promotions.yahoo.com/new_mail - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] --- Outgoing mail is certified Virus Free. Checked by AVG anti-virus system (http://www.grisoft.com). Version: 6.0.768 / Virus Database: 515 - Release Date: 9/22/2004 - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
RE: question related to action and tile
You may want to try adding this to the header of your jsp: meta http-equiv=expires content=1 / meta http-equiv=pragma content=no-cache / When the reload button is clicked, the browser should ask the user whether he/she wants to resend the entered information. It does not solve you problem completely (if the user chooses to resend the information, it is processed by the action again. But, on the other hand, you should take care of this e.g. in you validate method - maybe checking for existing name, id, etc.), but at least alerts the user, that he/she is doing someting repeatedly. Radek -Original Message- From: Lijuan Jing [mailto:[EMAIL PROTECTED] Sent: Wednesday, September 22, 2004 9:53 AM To: [EMAIL PROTECTED] Subject: question related to action and tile This is a question related to action and tile. action path=someURL name=submitForm type=someActionClass forward name=success path=.pages.tileDef1/ /action --- tile definition: definition name=.pages.Base path=/pages/common/layouts/baseLayout.jsp put name=footer value=/pages/common/header.jsp / put name=content value=/pages/content/home_content.jsp / put name=footer value=/pages/common/footer.jsp / /definition definition name=.pages.tileDef1 extends=.pages.Base put name=content value=/pages/content/real_content.jsp / /definition After someActionClass executed successfully, it displays page .pages.tileDef1, but the URL on browser still shows someURL. If user clicks browser's refresh button, the 'submitForm' will be submitted again and 'someActionClass' will be executed again which end up processing the 'submitForm' multiple times depends on how many time user clicks refresh. It becomes worse if the content of the form will be written to database. How do I know (while I am in action code) if it comes from the real button click or the refresh button click? Or I could show a different URL after the form is processed, then a dummy action has to be added. Not a clean way to do. action path=someURL name=submitForm type=someActionClass forward name=success path=/do/dummy/ /action action path=/dummy name=dummyForm type=dummyActionClass forward name=success path=.pages.tileDef1/ /action Thanks, Lijuan __ Do you Yahoo!? New and Improved Yahoo! Mail - Send 10MB messages! http://promotions.yahoo.com/new_mail - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Re: question related to action and tile
Lijuan Jing wrote: This is a question related to action and tile. action path=someURL name=submitForm type=someActionClass forward name=success path=.pages.tileDef1/ /action --- tile definition: definition name=.pages.Base path=/pages/common/layouts/baseLayout.jsp put name=footer value=/pages/common/header.jsp / put name=content value=/pages/content/home_content.jsp / put name=footer value=/pages/common/footer.jsp / /definition definition name=.pages.tileDef1 extends=.pages.Base put name=content value=/pages/content/real_content.jsp / /definition After someActionClass executed successfully, it displays page .pages.tileDef1, but the URL on browser still shows someURL. If user clicks browser's refresh button, the 'submitForm' will be submitted again and 'someActionClass' will be executed again which end up processing the 'submitForm' multiple times depends on how many time user clicks refresh. It becomes worse if the content of the form will be written to database. How do I know (while I am in action code) if it comes from the real button click or the refresh button click? Or I could show a different URL after the form is processed, then a dummy action has to be added. Not a clean way to do. action path=someURL name=submitForm type=someActionClass forward name=success path=/do/dummy/ /action action path=/dummy name=dummyForm type=dummyActionClass forward name=success path=.pages.tileDef1/ /action Thanks, Lijuan __ Do you Yahoo!? New and Improved Yahoo! Mail - Send 10MB messages! http://promotions.yahoo.com/new_mail Which method (GET or POST) are you using to submit the request? If the request will be modifying data in a database, you should be using the POST method. When issuing a reload using the POST method, browsers will display a message to the user warning that they are re-sending duplicate information. If you want to be absolutely sure that your request is a new request, you will probably need to include some sort of token parameter in the request. When you generate the original form, you generate a random number. You store this number as a session attribute named expectedToken and send it to the user as the value of a hidden form field named token. The user fills out the form and sends it back to you. If the token parameter matches the expectedToken attribute, then you change (or delete) the expectedToken attribute and process the request. If they do not match, you return a meaningful error to the user. There is no way in standard HTTP / Servlets to distinguish between a refresh and an original request. Jeff Beal - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
