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The Definitive Guide to Lift A Scala-based Web Framework

:	Marius Danciu, Tyler Weir, Derek Chen-Becker
:	The Definitive Guide to Lift A Scala-based Web Framework
:	Apress
:	9781430224228
:	1
:	CHF 35.70
:

:	Allgemeines, Lexika
:	English

:	200
:	Wasserzeichen/DRM
:	PC/MAC/eReader/Tablet
:	PDF

The Definitive Guide to Lift will educate you about Lift, a great framework for building compelling web applications. Lift is designed to make powerful techniques easily accessible, while keeping the overall framework simple and flexible. Lift makes it fun to develop because it lets you focus on the interesting parts of coding.

By the end of this book, you'll be able to create and extend any web application you can think of.

Marius Danciu spent the past 6 years architecting, designing, and leading development of highly scalable server-side applications based on J(2)EE platforms. Most applications were based on the data synchronization techniques (which in turn were based on the SyncML OMA standard) and adjacent technologies. For more than a year, Marius has been a committer to the LiftWeb framework, contributing to the design and implementation of various features in the framework.

	Table of Contents	1
	The Definitive Guide to Lift: A Scala-Based Web Framework	8
	Acknowledgements	9
	Chapter 1: Welcome to Lift	10
	Lifting Off!	10
	Implementing the View-First Pattern with Lift	10
	Leveraging the Scala Language	11
	Supporting Advanced Features Easily	12
	Getting to Know the Lift Community	12
	Creating Your First Lift Application	13
	Conclusion	18
	Chapter 2: PocketChange	19
	Keeping Track of Your PocketChange	19
	Defining the Model	20
	Creating Your First Template	23
	Writing Snippets	24
	Sprinkling a Little AJAX Spice	27
	Conclusion	31
	Chapter 3: Lift Fundamentals	32
	Entering Lift	32
	Making Standard import Assumptions for This Book	33
	Bootstrapping in Lift	33
	Using LiftRules	33
	Resolving Classes	34
	Rendering in Lift	34
	Rendering with Templates	35
	Rendering with Views	36
	Getting to Know the Lift Tags	38
	snippet	38
	surround	39
	bind	40
	embed	40
	comet	40
	Merging HTML Headings	41
	Providing User Feedback	42
	Using Snippets	42
	Binding Values in Snippets	43
	Choosing Between Stateless and Stateful Snippets	44
	Using Eager Evaluation	45
	Rewriting URLs	45
	Adding Custom Dispatch Functions	48
	Using HTTP Redirects	50
	Using Cookies	50
	Storing Session and Request States	51
	Gathering a Few More Useful Objects	53
	S object	53
	SHtml	53
	Conclusion	53
	Chapter 4: Forms in Lift	54
	Practicing Form Fundamentals	54
	checkbox	59
	hidden	60
	link	60
	text and password	61
	textarea	62
	submit	62
	multiselect	62
	radio	63
	select	64
	selectObj	65
	untrustedSelect	65
	Uploading Files	65
	Conclusion	67
	Chapter 5: SiteMap	68
	Defining SiteMap	68
	Creating the Link Class	68
	Using ExtLink	69
	Creating Menu Entries	69
	Using Nested Menus	70
	Setting the Global SiteMap	71
	Customizing the Display	72
	Using the Hidden LocParam	72
	Controlling the Menu Text	72
	Using Menu	73
	Controlling Access with Menus	74
	Using If Clauses	74
	Using the Unless LocParam	75
	Working with the Template LocParam	75
	Working with the Snippet and LocSnippets Parameters	76
	Setting the Title	77
	Testing a Request	77
	Categorizing with LocGroup	78
	Writing Your Own Loc	78
	Knowing the Corresponding Functions	79
	Using Type-Safe Parameters	80
	Conclusion	84
	Chapter 6: Mapper and Record	85
	Introducing Mapper and MetaMapper	85
	Adding Mapper to Your Project	86
	Setting Up the Database Connection	86
	Constructing a Mapper-Enabled Class	87
	Creating Object Relationships	90
	Indexing	93
	Mapping Schemas	93
	Performing Persistence Operations on an Entity	94
	Creating a Mapper Instance	95
	Saving a Mapper Instance	96
	Deleting a Mapper Instance	96
	Querying for Entities	96
	Using Comparison QueryParams	97
	Using Control QueryParams	99
	Making Joins a Little Friendlier	101
	Using Utility Functionality	101
	Generating a Display	101
	Generating Forms	102
	Validating Forms	103
	Supporting CRUD Operations	104
	Using Life Cycle Callbacks	105
	Knowing the Base Field Types	105
	Defining Custom Field Types	108
	Working with ProtoUser and MegaProtoUser	113
	Using Advanced Mapper Features	114
	Using Multiple Databases	114
	Performing SQL-Based Queries	117
	Conclusion	119
	Chapter 7: Advanced Lift Architecture	120
	Understanding Lift Architecture	120
	Understanding the Request/Response Life Cycle	121
	Transforming a Request into a Response	122
	Processing a Stateful Request	123
	Mapping Lift Functions	125
	Exploring LiftResponse in Detail	127
	Basic HTTP Equivalent Responses	127
	Redirecting the Client	128
	Sending Content to the Client	129
	InMemoryResponse	130
	StreamingResponse	130
	Returning Text to the Client	131
	Returning XML to the Client	131
	Managing Sessions	132
	Using Sticky Sessions	133
	Using Lift’s Garbage Collection	134
	Wrapping Lift’s Processing Logic	135
	Using Additional Snippet Features	137
	Passing Parameters to Snippets	137
	Using Snippets for Tag Attributes	137
	Working with Advanced S Object Features	139
	Managing Cookies	139
	Managing the Time Zone	140
	Setting Session DispatchPF Functions	140
	Rewriting Sessions	140
	Accessing HTTP Headers	140
	Managing the Document Type	141
	Performing Other Functions	141
	Managing Resources with ResourceServer	141
	Obtaining HTTP Authentication	142
	Using Basic HTTP Authentication	142
	Using HTTP Digest Authentication	145
	Conclusion	147
	Chapter 8: Lift and JavaScript	148
	Using High-Level JavaScript Abstractions	148
	Understanding JsCmd and JsExp	149
	Exploring JavaScript Abstraction Examples	152
	Using jQuery and Other JavaScript Frameworks	153
	Using XML and Jav