Apache OFBiz Cookbook.pdf

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Cover

Credits

About the Author

About the Reviewers

Table of Contents

Preface

Chapter 1: 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 a OFBiz Component

Locating an OFBiz Application

Chapter 2: 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

Chapter 3: 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

Chapter 4: 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

Chapter 5: 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

Chapter 6: 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

Chapter 7: 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

Chapter 8: 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

Chapter 9: 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

Appendix: 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

Index

Apache OFBiz Cookbook Over 60 simple but incredibly effective recipes for taking control of OFBiz Ruth Hoffman BIRMINGHAM - MUMBAI

Apache OFBiz Cookbook Copyright © 2010 Packt Publishing All rights reserved. No part of this book may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, without the prior written permission of the publisher, except in the case of brief quotations embedded in critical articles or reviews. Every effort has been made in the preparation of this book to ensure the accuracy of the information presented. However, the information contained in this book is sold without warranty, either express or implied. Neither the author, nor Packt Publishing, and its dealers and distributors will be held liable for any damages caused or alleged to be caused directly or indirectly by this book. Packt Publishing has endeavored to provide trademark information about all of the companies and products mentioned in this book by the appropriate use of capitals. However, Packt Publishing cannot guarantee the accuracy of this information. First published: September 2010 Production Reference: 1020910 Published by Packt Publishing Ltd. 32 Lincoln Road Olton Birmingham, B27 6PA, UK. ISBN 978-1-847199-18-8 www.packtpub.com Cover Image by Harmeet Singh (singharmeet@yahoo.com)

Credits Author Ruth Hoffman Reviewers Adrian Crum Shi Jinghai Acquisition Editor Chaitanya Apte Development Editor Rakesh Shejwal Technical Editor Vanjeet D'souza Indexer Hemangini Bari Editorial Team Leader Mithun Sehgal Project Team Leader Ashwin Shetty Project Coordinator Joel Goveya Proofreader Jonathan Todd Graphics Geetanjali Sawant Production Coordinator Arvindkumar Gupta Cover Work Arvindkumar Gupta

About the Author Ruth Hoffman is an OFBiz evangelist with over 25 years of information technology experience, including stints in software design and development, training, project management, product marketing, and software sales, She has dedicated the last few years of her eventful career to furthering the OFBiz vision. Whether it be writing about OFBiz, providing implementation and OFBiz consulting services, or just "kicking the OFBiz tires" for each new release, she enjoys working with and telling the world about all that this amazing ERP software suite has to offer. Ruth's current passion is her quest to provide high quality, cost effective OFBiz training and documentation. She has pursued this quest through multiple channels, including the OFBiz website. She invites everyone to stop by, take a gander, and give some feedback at http://www.myofbiz.com As a long-standing supporter of OFBiz, she has authored several other OFBiz titles, including OFBiz E-Commerce Out-Of-The-Box and The OFBiz Catalog Manager. For more information, please see: http://www.myofbiz.com. I would like to thank my partner, JC, for being so patient and understanding, my daughter for not getting too upset when I cancelled our planned Lilac Festival adventure, and my dog Sadie for sitting by me all those long hours when no one else would. Also, my sincerest thanks go to Adrian Crum and Shi Jinghai for their dedicated efforts in providing technical reviews of this book. Thanks for keeping me honest and setting me straight on a number of occasions. Your contributions are greatly appreciated!

About the Reviewers Adrian Crum is an IT Manager/Computer programmer for a company that builds homes. Prior to that, he owned and operated a computer retail/service/consulting business. He was Technical Editor of Coast Compute Magazine, and a contributing writer for Programmer's Journal. Adrian has been involved with the Apache OFBiz project as a contributing programmer since 2004, and he is a member of the Project Management Committee. His extensive experience in many programming languages and cross-platform development has been a key part of his contributions to the Apache OFBiz project. Shi Jinghai graduated from Tsinghua University in 1991. In 2001, he took part in the China 2G Citizen Card Project and became an important system designer of the National Citizen Identity Information System of China. In 2004, he started his own company (Beijing Langhua Ltd.) focusing on IT services based on some excellent open source projects such as OFBiz, OpenCms, JBoss Portal, and Jasig CAS among others.

Table of Contents Preface Chapter 1: 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 Chapter 2: 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 1 7 7 9 12 14 17 18 20 22 25 26 28 31 32 32 33 34 35 39 42 43 45 47 48 50 51 53

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