developing servlets and javaserver pages

... It is the goal ofthis chapter to clearly explain what exceptions are and how to deal with them inServlets and JSP This chapter discusses the following topics: A general review of Java's support for exceptions and how Java exceptionhandling works How to handle Servlet and JSP exceptions using Java's built-in exceptionhandling mechanism ... StreamHandler object includes a constructor that takes an OutputStream and Formatter object as parameters and uses them to format and streamlogged information MemoryHandler: The MemoryHandler object provides a cheap way to keep ... Consolidating a set of logs during one connection can be much more efficient The MemoryHandler object provides a constructor that takes as arguments a Handler, int value for a buffer size, and a push level The Handler object is the Handler buffered LogRecord objects are published to, the int

Ngày tải lên: 26/03/2019, 17:12

... Trang 1thangld@uit.edu.vn JavaServer Pages Standard Tag Library Trang 2JavaServer Pages Standard Tag Library 2Trang 3Giới thiệu tổng quanTrang 4JavaServer Pages Standard Tag Library 4JSTL?  ... Internationalization (i18n) (prefix: fmt)  Functions (prefix: fn) Trang 8JavaServer Pages Standard Tag Library 8Trang 9Core TagsTrang 10JavaServer Pages Standard Tag Library 10Core Tags Types  Khai báo và sử dụng ... Trang 18JavaServer Pages Standard Tag Library 18Trang 19Iterator Tags Được sử dụng để duyệt kiểu dữ liệu tập hợp Thẻ <c:forEach> với các thuộc tính sau: Trang 20JavaServer Pages Standard

Ngày tải lên: 13/09/2012, 11:16

... fields Perl regular expressions  Extracting data from other Web pages  XSL transformations  Etc Trang 78Integrating Servlets and JSP The MVC Architecture Trang 79 Servlet/JSP combo (MVC architecture)Simple ... servlet code public class xxxx implements HttpJspPage { private String randomHeading() { return("<H2>" + Math.random() + "</H2>"); } public void _jspService(HttpServletRequest ... </H2> </BODY> </HTML> Trang 18Kết quả Trang 1919Trang 21private String randomID() {int num = (int)(Math.random()*10000000.0); return("id" + num); } private final String NO_VALUE

Ngày tải lên: 23/03/2014, 06:20

... the web container This method allows servletsand JSP pages to gain access to contexts other than their own.The URI path must be absolute (beginning with “/”) and isinterpreted based on the containers’ ... control to another page The JSP specification defines a few standard action elements, described in this section, andincludes a framework for developing custom action elements Table 3 Attributes for ... attribute and is not valid with theclass attribute.The action is processed in these steps: 1.Attempt to locate an object based on theid andscope 4.If the object is not found in the specified scope andneither

Ngày tải lên: 31/03/2014, 16:56

... survey from a sample of primary care doctors and nurses from northeast England and the Netherlands Data on two clinical behaviours were patient reported, and collected by postal questionnaire survey ... northeast England, and primary care doc-tors, nurses, and practice assistants in the Netherlands We regarded all the healthcare workers within a practice as a team Data on roles and cognitions ... MJ and JF conceived the study MPE, JF, SH and MB were responsible for data collection MJ and NS super-vised the analyses MPE led the writing and all authors commented on sequential drafts and

Ngày tải lên: 11/08/2014, 05:21

... survey from a sample of primary care doctors and nurses from northeast England and the Netherlands Data on two clinical behaviours were patient reported, and collected by postal questionnaire survey ... northeast England, and primary care doc-tors, nurses, and practice assistants in the Netherlands We regarded all the healthcare workers within a practice as a team Data on roles and cognitions ... MJ and JF conceived the study MPE, JF, SH and MB were responsible for data collection MJ and NS super-vised the analyses MPE led the writing and all authors commented on sequential drafts and

Ngày tải lên: 11/08/2014, 16:20

... cli ents That content can be web pages, JPEGs, and other resources. Trang 7DElNE ACENTER DElNE THE DElNE DElNE DElNES A THE (Technically, the <center> and <a lign> tags have been ... 80 is the def ault, and as luck ault Server : The unique name of the physical server youÕre looking for This name maps to a unique IP address IP addresses are numeric and take the form Òxxx. ... ended to the end of this URL, s tarting with a question mark Ò?Ó, and wi th each parameter (name/v alue pair) separated by an amp ersand Ò Ó. Not shown: Trang 21HTTP HTTPSSRUWVIRU\RXURZQ FXVWRPVHUYHUSURJUDPV

Ngày tải lên: 12/08/2014, 19:20

... FKDSWHU%HHU([SHUWFRPSRQHQW %HHU([SHUWFRPSRQHQW Trang 10Some standard Java sitting inside <% %> tags (this is known as scriptlet code).Some standard HTML (which is known as Òtemplate textÓ in the ... attribute from the request object A little later in the book, weÕll explain everything about attributes and how we managed to get the request object Trang 11 FKDSWHU%HHU([SHUWFRPSRQHQW Trang 12Now ... cons tructor; just use the comp iler-supplied def ault). Called only ONCE in the servletÕs life, and must complete before Container can call service(). Container calls to give the servlet a chance

Ngày tải lên: 12/08/2014, 19:20

... [\I\MIKZW[[U]T\QXTMZMY]M[\[ 2IGHTSIMPLYANDINWITH to give Þnal advice), and if it doesnÕt, it has to give back the next question to ask the user We check the one incoming parameter (color) and give back the Þnal ... param-name and param-value just like with servlet init parameters, except this time i tÕs in the <context-param> element ins t() method returns, surprisingly, a ServletContex t object And one ... &OLHQW& Thread C But you wonÕt do anything to stop OTHER servlets! Regardless of whether the service methods in other servlets are synchronized or not it still means other parts of

Ngày tải lên: 12/08/2014, 19:20

... TIMEYOULLBEUSINGONEOFTHEFOURIMPLICITOBJECTSTOGETANDSETATTRIBUTES CORRESPONDINGTOTHEFOURATTRIBUTESCOPESAVAILABLEINA*30 9ESFOUR2EMEMBERINADDITIONTOTHESTANDARDSERVLETREQUESTSESSIONAND APPLICATIONCONTEXTSCOPESA*30ADDSAFOURTHSCOPEPAGESCOPETHATYOUGET ... because of ArrayList and Iterator. Chapter 7. Being a JSP Chapter 7. Being a JSP Head First Servlets and JSP By Bert Bates, Kathy Sierra, Bryan Basham ISBN: 0596005407 Publisher: O'Reilly ... Service is strictly prohibited.  FKDSWHU R R-ATHRANDOM Rhv R-ATHRANDOM R3TRINGShFOOv RNEW3TRING;= R

Ngày tải lên: 12/08/2014, 19:20

... scripting expressions, and decl arations), but i t CAN have template text and EL and cus tom and standard actions. The tag body is treated as plain text, so the EL is NOT evaluated and tags/actions ... is not enough to make the Container give that page the implicit exception object! Trang 13ANDANDMIGHT AND TAGCAUGHTEITHER OF #WDJOLESUH¿[ ´F´XUL ´KWWSMDYDVXQFRPMVSMVWOFRUH´! If ... creates a new page-scop ed attribute named ÒmyExc eptionÓ, and assigns the exception object t o it.Now thereÕs an attribute myException, and since itÕs a Throwable, it has a has a getMessage()

Ngày tải lên: 12/08/2014, 19:20

... this. This gives the handler a reference to a PageContext. If the tag is invoked with attributes, the JavaBean-style setter for each attribute is called (just as with SimpleTag handlers). A nested ... lets you do things AFTER the body runs, and unlike the other methods it can be inv oked more than once. The body is evaluated between the doStartTag() and doEndTag() methods. Trang 3&ODVVLFWDJOLIHF\FOHTrang ... Trang 8YOUHAS9ES 3IMPLE4AGCOURSEYOUDTAGYOUDDO3TART4AG ITS THE FOR DO3TART4AG JUST HANDLERS #LASSICANDMEANSINSTANCENEWDO3TART4AG WORKSAVARIABLEINSTEAD Trang 11IURPGR6WDUW7DJ  LI\RXU7/'GHFODUHVDQHPSW\ERG\IRUWKHWDJHYHQ,)

Ngày tải lên: 12/08/2014, 19:20

... develop will use servlets or JSP pages to display content for the portal page The output of the servlets or JSP pages can be included in the portlet’s render response Servlets and JSP pages may only ... in JSP Your portlet’s JavaServer Pages can use HTML forms just like stand-alone JSP pages The two most important portlet practices are to use the POST method for all forms, and to set the action ... 133 Using Servlets and JavaServer Pages with Portlets You not need to add anything to the portlet.xml deployment descriptor to enable the tag library, because the tags are for the JSP pages, which...

Ngày tải lên: 05/10/2013, 04:20

... redistribute Overview of Servlets and Chapter JavaServer Pages Topics in This Chapter • What servlets are • When and why you would use servlets • What JavaServer Pages are • When and why you would use ... Integrating servlets and JSP Forwarding requests from servlets to static and dynamic resources Using servlets to set up beans for use by JSP pages An on-line travel agency combining servlets and JSP ... Conventions About the Web Site xxvii Part Servlets 2.1 and 2.2 C h a p te r Overview of Servlets and JavaServer Pages 1.1 Servlets 1.2 The Advantages of Servlets Over “Traditional” CGI Efficient...

Ngày tải lên: 12/08/2014, 11:20

... Windows, and Netscape 4.7 and later for Windows Earlier Netscape versions on Windows and Internet Home page for this book: www.coreservlets.com; Home page for sequel: www.moreservlets.com Servlet and ... servers and is generally invoked by using https in the URL instead of http Servlets can run on SSL servers just as easily as on standard servers, and the encryption and decryption is handled transparently ... this book: www.coreservlets.com; Home page for sequel: www.moreservlets.com Servlet and JSP training courses by book’s author: courses.coreservlets.com 101 Simpo PDF Merge and Split Unregistered...

Ngày tải lên: 12/08/2014, 11:20

... this book: www.coreservlets.com; Home page for sequel: www.moreservlets.com Servlet and JSP training courses by book’s author: courses.coreservlets.com 161 Simpo PDF Merge and Split Unregistered ... s.append(randomDigit()); } return(new BigInteger(s.toString())); } /** * * * */ Simple command-line program to test Enter number of digits, and it picks a random number of that length and then ... www.moreservlets.com Servlet and JSP training courses by book’s author: courses.coreservlets.com Simpo PDF Merge and Split Unregistered Version - http://www.simpopdf.com © Prentice Hall and Sun...

Ngày tải lên: 12/08/2014, 11:20

... Using jsp:setProperty has the advantage that ... multiple JSP pages and servlets Home page for this book: http://www.coreservlets.com Home page for sequel: http://www.moreservlets.com Servlet and JSP training courses: http://courses.coreservlets.com ... Core Servlets and JavaServer Pages, http://www.coreservlets.com/ Home page for this book: www.coreservlets.com; Home page for sequel: www.moreservlets.com...

Ngày tải lên: 12/08/2014, 11:20

... A tag library from Core Servlets and JavaServer Pages, http://www.coreservlets.com/ if coreservlets.tags.IfTag ... requests from servlets to static resources • Using servlets to set up beans for use by JSP pages • An on-line travel agency combining servlets and JSP • Including JSP output in servlets • A servlet ... TravelCustomer and its supporting classes must be in install_dir/ classes/coreservlets/, not install_dir /servlets/ coreservlets/ Tomcat 3.0 and the JSWDK 1.0.1 not support auto-reloading servlets, ...

Ngày tải lên: 12/08/2014, 11:20

... Therefore, they spend more time and money for travelling, and for relaxing in some Southern Eastern Asian countries: Thailand, Singapore, Laos, Cambodia, and Vietnam And the reason why the north ... disappointed and did not want to go at all And we continued finding other guests, but not much tourist, so we could interview one to two travelers Most of them seemed too closed, to be friendly and warmhearted, ... We ordered a bottle of orange juice, drank and wait for a chance to access tourists And we got it Most of tourists here were very cheerful, very humor and very easy to get an open talk with them...

Ngày tải lên: 25/04/2013, 15:42

... look and maintainability of web sites, and it will help you design and develop web-based applications Without further ado, let’s begin our look at JavaServer Pages 1.1 What is JSP? JavaServer Pages JSP, ... Microsystems called JavaServer Pages (JSP) JSP was still being refined, and Version 1.0 was months away However, it was intended to become a standard Java technology, and it used Java servlets as its ... World—with servlets 243 JSP and the servlet API 244 Servlets for application control 247 Servlets for handling application logic 248 Servlets as single entry points 249 Handling errors in the servlet...

Ngày tải lên: 10/12/2013, 02:15