Book Image

Apache OfBiz Cookbook

Book Image

Apache OfBiz Cookbook

Overview of this book

Apache Open For Business (OFBiz) is an enterprise resource planning (ERP) system that provides a common data model and an extensive set of business processes. But without proper guidance on developing performance-critical applications, it is easy to make the wrong design and technology decisions. The power and promise of Apache OFBiz is comprehensively revealed in a collection of self-contained, quick, practical recipes in this Cookbook. This book covers a range of topics from initial system setup to web application and HTML page creation, Java development, and data maintenance tasks. Focusing on a series of the most commonly performed OFBiz tasks, it provides clear, cogent, and easy-to-follow instructions designed to make the most of your OFBiz experience. Let this book be your guide to enhancing your OFBiz productivity by saving you valuable time. Written specifically to give clear and straightforward answers to the most commonly asked OFBiz questions, this compendium of OFBiz recipes will show you everything you need to know to get things done in OFBiz. Whether you are new to OFBiz or an old pro, you are sure to find many useful hints and handy tips here. Topics range from getting started to configuration and system setup, security and database management through the final stages of developing and testing new OFBiz applications.

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Apache OfBiz Cookbook
Sep, 2010 | 300 pages
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Table of Contents (15 chapters)
Apache OFBiz Cookbook
Apache OFBiz Cookbook
Credits
Credits
About the Author
About the Author
About the Reviewers
About the Reviewers
Preface
Preface
Free Chapter
1
Getting Started
Getting Started
Introduction
Getting the project code
Getting code from the Subversion repository
Fixing IP port collision errors
The JAVA_HOME setting
"Class Not Found" errors
Installation verification
SSL verification
Running JUnit tests
Locating an OFBiz Component
Locating an OFBiz Application
2
Java Development
Java Development
Introduction
Java runtime CLASSPATH
Java compile time CLASSPATH
Naming conventions
Writing OFBiz Java Events
Writing OFBiz Java Services
Debugging using the logfile
Calling OFBiz Services from a Java program
Getting and validating request parameters (Events)
Getting and validating request parameters (Services)
Managing error messages
Using Java properties files
Sending e-mail from an OFBiz Event or Service
Handling XML files
3
The User Interface
The User Interface
Introduction
Creating HTML web pages
Adding actions to Screen widgets
HTML markup in Screen widgets
CSS styling in Screen widgets
Platform-specific widgets
OFBiz Tree widgets
OFBiz Menu widgets
OFBiz Form widgets
Creating web pages using FreeMarker
Passing Screen widget parameters to FreeMarker
Calling Java methods from FreeMarker
Forcing FreeMarker to render HTML markup
Uploading files in FreeMarker forms
4
OFBiz Services
OFBiz Services
Introduction
Managing existing OFBiz Services
Calling a Service from an HTML form
Calling asynchronous Services from HTML forms
Calling a Service many times from an HTML form
Creating a new Service definition file
Creating a new Service definition
Implementing Services
Defining Service attributes (INPUT/OUTPUT)
Service Event Condition Actions
Service groups
Handling Service errors
Writing Groovy Services
Mail Event Condition Actions
Entity Event Condition Actions
5
The OFBiz Entity Engine
The OFBiz Entity Engine
Introduction
Changing the default database
Connecting to a remote database
Connecting to multiple databases
Creating entity groups
Disabling automatic database checks
Mapping database data types
Creating a new entity model
Modifying an existing entity model
Building a view-entity
6
OFBiz Security
OFBiz Security
Introduction
Securing communications ports
Disabling demonstration user accounts
Protecting OFBiz web pages
Creating user accounts
Protecting applications using security groups
Protecting views ("Tarpitting")
Retrieving forgotten passwords
Changing your password
Adding or changing SSL certificates
OFBiz single sign-on and the external login key
7
WebTools
WebTools
Introduction
Cache maintenance
Changing debug settings
Exporting database data to XML documents
Loading database(s) from XML documents
Managing internationalization labels
Using the SQL processor
Exploring the entity reference tool
Viewing OFBiz usage statistics
Uncovering artifact information
Working with temporal expressions
8
Web Services
Web Services
Introduction
Requesting web services using URL parameters
Requesting web services using an HttpClient
Creating HttpClients and passing XML documents
Creating XML-RPC web service clients
Becoming an XML-RPC web service provider
OFBiz SOAP messaging clients
Generating a WSDL document
Creating SOAP-compliant web services
9
OFBiz Tips and Tricks
OFBiz Tips and Tricks
Introduction
Fixing Java memory allocation errors
Reloading OFBiz seed and demo data
Creating new seed data files
Changing the administrative user's password
Creating a new administrative user
Getting the OFBiz version number
Building an OFBiz instance
Building a single OFBiz Component
Creating a new OFBiz Component or Application
Creating a FreeMarker transform
Preparing data using Groovy
Pop-up new browser windows
Installing an OFBiz Visual Theme
Creating an OFBiz Visual Theme
Entity Engine by Example
Entity Engine by Example
Introduction
Putting it all together with a data model example
Reading data from an OFBiz data source
Working with large result sets (EntityListIterator)
Removing data from the database (Java)
Writing data to the database (Java)
Using the automatic sequence generator
EntityUtil
EntityOperator reference

Uploading files in FreeMarker forms

To upload files from within FreeMarker templates, use the standard HTML form "file" type attribute.

Getting ready

Firstly ensure the following:

  1. 1. Make sure you have a backend OFBiz Event or Service configured to accept the uploaded file.

  2. 2. Configure the controller.xml request-map to designate the backend Event or Service to call when the form is submitted.

How to do it...

Files can be uploaded in forms by following these steps:

  1. 1. Within a new or existing FreeMarker file, create or modify an HTML form. Be sure to include the form attribute enctype as"multipart/form-data".

  2. 2. Add an input type of"file" as shown here:

    <form action="<@ofbizUrl>myFileUpload</@ofbizUrl>"
name="addContentForm" method="post"
enctype="multipart/form-data">
<#-- Add the rest of the Form's elements -->
<input type="file" name="uploadedFile" size="25"
id="uploadedFile" />
</form>

How it works...

FreeMarker supports all the standard HTML form input types...

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