MaintainJ, an Eclipse plug-in, generates runtime UML sequence and class diagrams for a given use case, helping the users to quickly understand a complex Java or J2EE application.
MaintainJ logs runtime method call trace to a file and uses that trace file to render sequence and class diagrams. MaintainJ is the tool to turn to when :
· You want to find out what exactly happens in the application when you run a use case.
· You need to quickly understand large, complex Java applications.
· You want to reduce the maintenance costs by more than 20%.
This software will turn out to be different from any reverse engineering tools you have seen before. MaintainJ comes with a web application (MaintainJ.war) and three Eclipse plug-ins.
NOTE: You will need to register to obtain a trial key. Otherwise, MaintainJ will work in a limited evaluation mode in which sequence diagram calls can be expanded or collapsed for a limited number of times.
Here are some key features of "MaintainJ":
· Forget Static Reverse Engineering - UML diagrams from source code can take you only so far. Run a use case and generate UML sequence and class diagrams for that use case to debug and understand complex systems.
· Save the Time Spent in Debugger - Debuggers help. But they are tiresome. Save the time you must spend in the debugger by first reading the runtime UML diagrams to get an overview.
· Explore the Diagrams - MaintainJ sequence diagrams are a pleasure to read. You can expand and collapse the calls while exploring a complex sequence diagram.
· Focus on What You Need - Only application classes (no API calls) are shown in diagrams. All loop calls and recursive calls are removed from sequence diagrams.
· Generate. Do Not Draw - Code is the truth. Run the code and generate UML whenever you need.
· Save Maintenance Costs - Development costs 10%. Maintenance costs 90%. Understanding code costs 50% of maintenance costs. Save by generating UML diagrams that help you to quickly understand code.
· Open Source Based - MaintainJ is an Eclipse based product. Buy it or just use and blog it. Or tell us about a more useful product for those who support and maintain complex Java applications.
Requirements:
· Eclipse 3.2 or newer
· GEF 3.2 or newer - Graphical Editing Framework plug-in; used to render UML diagrams
· AJDT 1.4 or newer - AspectJ Development Tools plug-in; used to instrument the Java application
Limitations:
· 21-day evaluation
What's New in This Release: [ read full changelog ]
· Response Time View - The sequence diagram and the corresponding 'Outline view' are redesigned to allow the user to quickly find the methods that are taking the maximum response time in a use case.
· Filter Calls by Response Time - This feature allows the user to filter out all the calls whose response time is less than the specified time.
· Delete All Classes Except - This feature can be used to quickly see the interactions between the important classes in the use case.
· Shows the number of times a method is called in a loop - MaintainJ always removed the loop and recursive calls to avoid cluttered sequence diagrams. This version adds the feature to show the number of times a method is called in a loop.
· Opening trace files generated using older versions - To open the trace files generated using the older versions of MaintainJ, copy them to the 'MaintainJ Trace Files Project' created using this release. This project can be created by following File->New->Project->MaintainJ->Maintai...
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