Dr. Dobb's Journal - October 2007 - (Page 46) just a small engine that loads and runs plugins. All of the end-user functionality (editing and compiling Java source code) is implemented as a collection of collaborating plug-ins. This pure plug-in approach offers many advantages, including a high-degree of flexibility and reuse. Eclipse can be easily customized to a specific task, such as developing Java code, developing web applications, or managing remote databases, simply by virtue of which plug-ins are included/removed. If a plug-in already exists to perform a particular function, it can be reused as is. The most potent advantage of this approach to application development is that it lets applications be extended in ways not initially envisioned. Implementation Eclipse is not only a model for modular, extensible applications, it also provides the Eclipse Rich Client Platform (RCP) on which to build them. RCP combines Equinox, an engine for loading and running plug-ins, and a collection of plug-ins that provide a framework for developing crossplatform GUI applications. RCP integrates with other Eclipse technologies so that applications can leverage frameworks like the Update Manager for managing software updates and the Graphical Editing Framework (GEF) for building graphical editors. Building on RCP let me focus on solving problems specific to PSICAT, rather than reinventing common application components like editors and wizards. Like Eclipse, PSICAT is a collection of plug-ins that collaborate to provide useful functionality. These plug-ins can be organized into five distinct layers: • The first layer consists of Eclipse technologies: RCP, Update Manager, and GEF. • The second layer defines the data model (the Model objects) and provides services for managing diagrams, resources, and configuration. • The third layer adds the views, editors, and wizards that make up PSICAT. This and the previous two layers provide the scaffolding for data capture and visualization. • The fourth layer, where most of the core description-specific functionality is 46 Dr. Dobb’s Journal l www.ddj.com l October 2007 Figure 1: An example core description diagram. http://www.accusoft.com/ddj http://www.accusoft.com/ddj http://www.ddj.com
Table of Contents Feed for the Digital Edition of Dr. Dobb's Journal - October 2007 Cover Contents Hmmmm Alia Vox Developer Diaries Developer’s Notebook AI: It’s OK Again! Conversations Visual Cryptography and Bit-Plane Complexity Segmentation Inside the Windows Vista Disk Encryption Algorithm Memory-Aware Components Software and the Core Description Process Logging In C++ Effective Concurrency The Agile Edge Swaine’s Flames Dr. Dobb's Journal - October 2007 Dr. Dobb's Journal - October 2007 - Cover (Page Cover1) Dr. Dobb's Journal - October 2007 - Cover (Page Cover2) Dr. Dobb's Journal - October 2007 - Cover (Page 1) Dr. Dobb's Journal - October 2007 - Cover (Page 2) Dr. Dobb's Journal - October 2007 - Cover (Page 3) Dr. Dobb's Journal - October 2007 - Contents (Page 4) Dr. Dobb's Journal - October 2007 - Contents (Page 5) Dr. Dobb's Journal - October 2007 - Hmmmm (Page 6) Dr. Dobb's Journal - October 2007 - Hmmmm (Page 7) Dr. Dobb's Journal - October 2007 - Hmmmm (Page 8) Dr. Dobb's Journal - October 2007 - Hmmmm (Page 9) Dr. Dobb's Journal - October 2007 - Alia Vox (Page 10) Dr. Dobb's Journal - October 2007 - Alia Vox (Page 11) Dr. Dobb's Journal - October 2007 - Developer Diaries (Page 12) Dr. Dobb's Journal - October 2007 - Developer Diaries (Page 13) Dr. Dobb's Journal - October 2007 - Developer’s Notebook (Page 14) Dr. Dobb's Journal - October 2007 - Developer’s Notebook (Page 15) Dr. Dobb's Journal - October 2007 - AI: It’s OK Again! (Page 16) Dr. Dobb's Journal - October 2007 - AI: It’s OK Again! (Page 17) Dr. Dobb's Journal - October 2007 - AI: It’s OK Again! (Page 18) Dr. Dobb's Journal - October 2007 - AI: It’s OK Again! (Page 19) Dr. Dobb's Journal - October 2007 - Conversations (Page 20) Dr. Dobb's Journal - October 2007 - Conversations (Page 21) Dr. Dobb's Journal - October 2007 - Visual Cryptography and Bit-Plane Complexity Segmentation (Page 22) Dr. Dobb's Journal - October 2007 - Visual Cryptography and Bit-Plane Complexity Segmentation (Page 23) Dr. Dobb's Journal - October 2007 - Visual Cryptography and Bit-Plane Complexity Segmentation (Page 24) Dr. Dobb's Journal - October 2007 - Visual Cryptography and Bit-Plane Complexity Segmentation (Page 25) Dr. Dobb's Journal - October 2007 - Visual Cryptography and Bit-Plane Complexity Segmentation (Page 26) Dr. Dobb's Journal - October 2007 - Visual Cryptography and Bit-Plane Complexity Segmentation (Page 27) Dr. Dobb's Journal - October 2007 - Visual Cryptography and Bit-Plane Complexity Segmentation (Page 28) Dr. Dobb's Journal - October 2007 - Visual Cryptography and Bit-Plane Complexity Segmentation (Page 29) Dr. Dobb's Journal - October 2007 - Inside the Windows Vista Disk Encryption Algorithm (Page 30) Dr. Dobb's Journal - October 2007 - Inside the Windows Vista Disk Encryption Algorithm (Page 31) Dr. Dobb's Journal - October 2007 - Inside the Windows Vista Disk Encryption Algorithm (Page 32) Dr. Dobb's Journal - October 2007 - Inside the Windows Vista Disk Encryption Algorithm (Page 33) Dr. Dobb's Journal - October 2007 - Memory-Aware Components (Page 34) Dr. Dobb's Journal - October 2007 - Memory-Aware Components (Page 35) Dr. Dobb's Journal - October 2007 - Memory-Aware Components (Page 36) Dr. Dobb's Journal - October 2007 - Memory-Aware Components (Page 37) Dr. Dobb's Journal - October 2007 - Memory-Aware Components (Page 38) Dr. Dobb's Journal - October 2007 - Memory-Aware Components (Page 39) Dr. Dobb's Journal - October 2007 - Memory-Aware Components (Page 40) Dr. Dobb's Journal - October 2007 - Memory-Aware Components (Page 41) Dr. Dobb's Journal - October 2007 - Software and the Core Description Process (Page 42) Dr. Dobb's Journal - October 2007 - Software and the Core Description Process (Page 43) Dr. Dobb's Journal - October 2007 - Software and the Core Description Process (Page 44) Dr. Dobb's Journal - October 2007 - Software and the Core Description Process (Page 45) Dr. Dobb's Journal - October 2007 - Software and the Core Description Process (Page 46) Dr. Dobb's Journal - October 2007 - Software and the Core Description Process (Page 47) Dr. Dobb's Journal - October 2007 - Software and the Core Description Process (Page 48) Dr. Dobb's Journal - October 2007 - Software and the Core Description Process (Page 49) Dr. Dobb's Journal - October 2007 - Logging In C++ (Page 50) Dr. Dobb's Journal - October 2007 - Logging In C++ (Page 51) Dr. Dobb's Journal - October 2007 - Logging In C++ (Page 52) Dr. Dobb's Journal - October 2007 - Logging In C++ (Page 53) Dr. Dobb's Journal - October 2007 - Logging In C++ (Page 54) Dr. Dobb's Journal - October 2007 - Logging In C++ (Page 55) Dr. Dobb's Journal - October 2007 - Logging In C++ (Page 56) Dr. Dobb's Journal - October 2007 - Effective Concurrency (Page 57) Dr. Dobb's Journal - October 2007 - Effective Concurrency (Page 58) Dr. Dobb's Journal - October 2007 - Effective Concurrency (Page 59) Dr. Dobb's Journal - October 2007 - The Agile Edge (Page 60) Dr. Dobb's Journal - October 2007 - The Agile Edge (Page 61) Dr. Dobb's Journal - October 2007 - The Agile Edge (Page 62) Dr. Dobb's Journal - October 2007 - The Agile Edge (Page 63) Dr. Dobb's Journal - October 2007 - Swaine’s Flames (Page 64) Dr. Dobb's Journal - October 2007 - Swaine’s Flames (Page Cover3) Dr. Dobb's Journal - October 2007 - Swaine’s Flames (Page Cover4)
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