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Content Type and Markup
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Content Type and Markup Output
Tapestry reads well-formed XML template files and renders its output as XML, with minor caveats:
The ?xml? XML declaration is omitted.
Most element render
CSS
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Tapestry CSS Support
Cascading Style Sheets (CSS) is an important technology, even with Tapestry. Tapestry works best when the rendered HTML is simple and semantic semantic meaning HTML that goes back to its
Environmental Services
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Environmental Services
Environmental services represent yet another, distinct form of injection.
Unlike service injection (injection via a service implementation's constructor) or normal
DOM
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Document Object Model
Tapestry 5 takes a very different approach to markup generation than Tapestry 4, or most other frameworks.
Tapestry 4 Approach
In Tapestry 4, markup generation was based on generating a
HTTPS
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Securing your application with HTTPS
Tapestry assumes your application will be primarily deployed as a standard web application, using HTTP (not HTTPS) as the transport mechanism.
However, many applications
Input Validation
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Form Input and Validation
The life's blood of any application is form input; this is the most effective way to gather significant information from the user. Whether it's a search form, a login
Layout Component
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Layout Component
You may see frequent reference to a Layout Component, but you won't find it in the component reference|../tapestry-core/ref/index.html. Layout isn't a component, it's a component
Logging
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Logging of Tapestry Components and Pages
Tapestry makes extensive use of SLF4J to log details about the creation and operation of your page and component classes.
The default configuration for logging
Page Lifecycle
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Page Lifecycle
In Tapestry, you are free to develop your presentation objects, page and components classes, as ordinary objects, complete with instance variables and so forth.
This is somewhat
Page Navigation
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Page Navigation
In essense, a Tapestry application is a number of related pages, working together. To some degree, each page is like an application unto itself.
Any individual request will be
Persistent Page Data
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Persistent Page Data
Most instance variables in Tapestry are automatically cleared at the end of each request.
This is important, as it pertains to how Tapestry pages are pooled and shared,
Persistent State
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Persistent State
Often, you will have a situation where you have a bit of data that is needed across multiple pages. Perhaps you are creating a multi-page wizard, or perhaps you have an object
Project Layout
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Project Layout
This is the suggested layout for your Tapestry project; it is the layout of folders and files created by the Tapestry Quickstart Archetype|../../quickstart/. If you are creating your
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!../images/projectlayout.png!Project Layouth2. Main source files
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!../images/projectlayout.png!Project Layout
Request Processing
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Request Processing
Understanding the request processing pipeline is very important, as it is one of the chief extension points for Tapestry.
Much of the early stages of processing are in the
Response Compression
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Response Compression
Starting in Tapestry 5.1, the framework automatically GZIP compresses content streamed to the client. This can signifcantly reduce the amount of network traffic for a
Service Status
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IoC Services Status
Using Tapestry there will often be a large number of services defined in the registry; a mix of the builtin services provided by the framework and your own.
Built in to every
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Type Coercion
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Parameter Type Coercions
Tapestry automatically handles type coercions for parameters.
Type coercions occur when a value passed into a parameter (as bound in template or in an annoation) does not
Unit testing pages or components
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Unit testing pages or components
You can easily unit test a certain page or a component. Follow the simple tasks below.
Setting up a driving environment
In order to unit test a
URL rewriting
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Tapestry URL Rewriting Support
Since 5.1.0.1, Tapestry has basic support for URL rewriting. Incoming requests and links generated by Tapestry can be rewritten using exactly the same API. It is based
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Next, all the fields inside the form are activated to pull values out of the incoming
Aliases
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h1. Introduction
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Aliases
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h1. Introduction
{deprecated}
Tapestry goes to great lengths so that you can
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| nullfieldstrategy | Used to locate a pre-defined
{html} h2. News [!Feed-icon.gif!|https://cwiki.apache.org/confluence/createrssfeed.action?types=blogpostspaces=TAPESTRYtitle=Apache+Tapestry+News+RSS+FeedlabelString%3Dsort=modifiedmaxResults=10timeSpan=5confirm=CreateshowContent=falseshowDiff=false]
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First key feature. Lorem ipsum dolor sit amet, consectetur adipiscing elit. Ut consequat imperdiet
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/h1 div id=asideComponent oriented framework for creating dynamic, robust, highly scalable web
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Full Content
Java power
First key
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Navigation
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- [About] - [Community Contributions]
- [Apache|http://www.apache.org/] -
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h2. News [!Feed-icon.gif!|https://cwiki.apache.org/confluence/createrssfeed.action?types=blogpostspaces
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public class Login {
@Persist
@Property
private String userId;
Introduction
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What is Apache Tapestry?
Apache Tapestry is an open-source framework for creating dynamic, robust, highly scalable web applications in Java. Tapestry complements and builds upon the standard Java
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- [Introduction]
- [Getting Started] - [Tutorial]
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Tapestry 5 Reference Guide (Draft)
Overview
What's Tapestry ?
Brief History
Design choices
Tapestry IOC
Introduction
Design
Terminology
Overview
IOC
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- [Getting Started] - [Tutorial]
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h1. Limitations
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Specific Errors
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Why do I get a SAXParseException when I use an HTML entity, such as nbsp; in my template?
Tapestry uses a standard SAX parser to read your templates. This means that your templates must be
Frequently Asked Questions
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h1. General Questions
h1. Specific Errors h2. Why do I get
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Only component classes should go in the Tapestry-controlled packages ({{pages}},
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{note}Break up these top level items into individual child pages.{note}
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h1. Why do I get a SAXParseException when I use an HTML entity, such as {{amp;nbsp;}} in my template?
Ajax Components
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h1. Do I have to specify both {{id}} and {{t:id}} for Zone components?
The
Page And Component Classes
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What's the difference between a page and a component?
There's very little difference between the two. Pages clases must be in the root-package.pages package; components must be
Tapestry Inversion of Control Container
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Why do I need to define an interface for my services? Why can't I just use the class itself?
First of all: you can do exactly this, but you lose some of the
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h1. Whats the difference between a page and a component?
h1. Page And Component
Page And Component Classes
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h2. Why do I get ClassCastExceptions java.lang.LinkageError
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Although these two classes have the same fully qualified class name, they
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{children:all=true|excerpt=true}
h1. Contents {toc} h1. Frequently Asked
Frequently Asked Questions
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h1. Contents
{toc}
h1. Frequently Asked Questions
Specific Errors
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h1. Why do I get the exception No service implements the interface
Ajax Components
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h1. Do I have to specify both {{id}} and {{t:id}} for Zone components?
h2. Ajax Components
Tapestry Inversion of Control Container
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h1. Why do I need to define an interface for my services? Why cant I just use
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{include:Ajax Components}
{include:General Questions}
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{include:Tapestry Inversion of Control Container} {include:Templating and
Templating and Markup
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In many components, the {{id}} attribute is an informal parameter; a value from
Templating and Markup
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In many components, the {{id}} attribute is an informal parameter; a value from
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{include:General Questions}
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{include:Templating and Markup} {include:Page And Component Classes}
Forms and Form Components
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Forms and Form Components
What is the t:formdata hidden field for?
In Tapestry, rendering a form can be a complicated process; inside the body of the Form component are many of
Forms and Form Components
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h3. How do I change the label for a field on the fly?
Frequently Asked Questions
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{include:Integration with existing applications} {include:Specific Errors}
Frequently Asked Questions
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{include:Integration with existing applications} {include:Specific Errors}
Injection FAQs
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Injection
What's the difference between the Component and InjectComponent annotations?
What's the difference between the InjectPage and InjectContainer annotations?
I get an exception
Injection FAQ
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Injection
What's the difference between the Component and InjectComponent annotations?
The Component annotation is used to define the type of component, and its parameter bindings. When
Injection FAQ
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{code}
Again, were matching the field name to the component id, and you
General Questions
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The easiest way to get started is to use [Apache Maven|http://maven.apache.org] to
Ajax Components
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The point is, to be sure, specify the exact client id. This will be the value for the
Injection FAQs
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Injection
What's the difference between the Component and InjectComponent annotations?
What's the difference between the InjectPage and InjectContainer annotations?
I get an exception
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