Download PDF by Igor Vaynberg: Apache Wicket Cookbook

By Igor Vaynberg

ISBN-10: 1849511608

ISBN-13: 9781849511605

It is a hands-on functional consultant to a wide number of issues and use circumstances. This e-book attempts to take advantage of real-world examples while attainable, yet isn't afraid to return up with a contrived pretext if it makes explaining the matter easier. not like loads of different books, this one doesn't try and continue a continual subject matter from bankruptcy to bankruptcy, corresponding to demonstrating options at the similar fictional software; doing so will be virtually most unlikely given the wide range of recipes awarded the following. as a substitute, this booklet concentrates on targeted difficulties clients tend to come across and indicates transparent suggestions in a step by step demeanour. This booklet attempts to coach through instance and isn't afraid to teach loads of code simply because, in the end, it really is for coders. This e-book is for present clients of the Apache Wicket framework; it isn't an creation to Wicket that would bore you with hundreds thought. you're anticipated to have outfitted or maintained an easy Wicket program long ago and to be seeking to research new and higher methods of utilizing Wicket. while you are able to take your Wicket talents to the following point this e-book is for you.

Show description

Read Online or Download Apache Wicket Cookbook PDF

Similar web programming books

Get Web Services Platform Architecture: SOAP, WSDL, WS-Policy, PDF

The Insider's consultant to development leap forward providers with modern day New internet prone PlatformUsing modern-day new internet providers platform, you could construct providers which are safe, trustworthy, effective at dealing with transactions, and well matched in your evolving service-oriented structure. what is extra, you are able to do all that with out compromising the simplicity or interoperability that made net companies so beautiful.

Web Accessibility: Web Standards and Regulatory Compliance - download pdf or read online

Internet accessibility not only morally sound – there are criminal duties besides Very huge power viewers, inclusive of internet builders and company managers little or no festival to this e-book

Colin Hardy's Introduction to Web Matrix: ASP.NET Development for PDF

An advent to internet Matrix presents a simple to stick to remedy of the appliance of this new software program, that's quickly turning into the popular automobile for the instructing of web design. Written by way of skilled clients, the fabric is gifted in a manner that makes it excellent for college students assembly the topic for the 1st time, whether or not they are on an undergraduate or postgraduate path.

Download e-book for iPad: DevOps for Developers by Michael Hüttermann

DevOps for builders provides a realistic, thorough advent to ways, procedures and instruments to foster collaboration among software program improvement and operations. Efforts of Agile software program improvement usually finish on the transition part from improvement to operations. This publication covers the supply of software program, this implies "the final mile", with lean practices for transport the software program to construction and making it to be had to the top clients, including the mixing of operations with past undertaking levels (elaboration, development, transition).

Additional resources for Apache Wicket Cookbook

Sample text

1. getFirst()) && Strings. getFirst()) || Strings. properties BothNamesFilledInValidator=Both first name and last name must be filled in 2. java FormComponent name = new NameEditor("name", new PropertyModel(this, "name")); 41 Getting Down and Dirty with Forms and Form Components Here is what a normal withdrawal from a new account might look like: The user selects a new account 777 with a starting balance of $1000 and withdraws $100 dollars ending up with a balance of $900. Here is what a withdrawal from a new account of a user in a hurry might look like: As we can see, just like before, the user withdraws $100 from a new account 888 with a starting balance of $1000.

It is better to stick to the DRY (don't repeat yourself) principle and have only one place in code that governs this constraint. Pitfalls of not externalizing validation constraints Some developers prefer to achieve the same usecase by creating a subclass of the FormComponent instead of the CompoundValidator. lengthBetween(5, 20)); } } While this does not violate the DRY principle for our particular usecase, it does somewhat limit the further composability and reusability of the validation code.

When a component needs to present its model object as a part of html markup, it first runs it through the conversion infrastructure to convert it to a string. When a component needs to convert a user's input, which is typically a string, back to a model object it once again runs it through the conversion infrastructure, this time to convert the string value back to the object. IConverter the interface, and a converter locator responsible for finding converters that can convert from an object of the given class to a string and back.

Download PDF sample

Apache Wicket Cookbook by Igor Vaynberg


by Robert
4.2

Rated 4.13 of 5 – based on 29 votes