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The ObjectAid UML Explorer is optimized for the quick and easy creation of UML class and sequence diagrams from existing Java source code and libraries. It uses the UML notation to show a graphical representation of existing code that is as accurate and up-to-date as your text editor.
Unsuccessful Installs in the last 7 Days: 0
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Submitted by Jean Pierre Urkens on Fri, 2022-12-16 04:59
Great tool I used over the years to document my code, but switching to Eclipse JEE 2022-06 or later broke it.
It happens that these eclipse distributions come with a JRE17+ and from JDK16+ there are more restictions on what reflected code is allowed to do. Anyway I still had the objectaid-1.2.4 zip-archive stored localyy and got it to work on Eclipse JEE 2022-12 with following adjustments in the eclipse.ini file:
instead of (default with installation on windows x64):
I didn't investigate the implications on extending these access permissions, so this is on your own accord. But after these adjustments I could again read/modify/create all my UML class diagrams again.
Submitted by Rokwoon Kim on Tue, 2022-12-27 20:35
I solved the problem that not working in Eclipse 2022-12 by this post.
And some of stackoverflow post gives guide what should have to update xstream library contained in ObjectAid jar, but that is wrong guide.
Submitted by Mary Robinson on Tue, 2021-11-23 12:17
Receive this error when I attempt to install this in Eclipse Photon - No software found. Used Eclipse Help --> Install New Software. Attempted to download it from the Marketplace site while running Eclipse but it would not install that way either. Please advise.
Submitted by Lynn Shan on Sun, 2021-11-21 16:53
cannot download, domain parked
Submitted by Aaron Carrigan on Mon, 2021-11-01 07:15
The repository cannot be accessed as the actual ObjectAidUML website has disappeared. Seems as though this may have happened between now October and July 2021.
Submitted by Ricardo Gonzalez Fabelo on Mon, 2021-10-18 01:19
Is discontinued this plugin, no? Because I Can't download it from anywhere.
Submitted by Lucile Torrees on Thu, 2021-06-03 16:27
This is the best tool I found to easily generate complete class diagrams from java sources and I used it for teaching Java Programming and Software Engineering. Recently I used the ObjectAid Class Diagram part of the plugin ObjectAid UML plugin with Eclipse 2020-03.
I've just made the upgrade to Eclipse 2021-03. The "ObjectAid Class Diagram 1.2.4" successfully installs whithout errors and it appears in the installed plugins list. I use the "New ObjectAid Class Diagram" menu to open the "New UML Class Diagram" window. In this window, nothing happens when I press the Finish button, once the folder and the name have been filled. Then the diagram cannot be created.
Submitted by PETAR BANICEVIC on Fri, 2018-11-09 11:38
I am very old licensed user of this plugins, have it mainly on all eclipses I ever had. Gives me almost same feeling like IBM RSA, just humble. Among all expensive and all mighty tools I had, this one I kept (no, not because of price).
I would like to have an option (doesn't matter the price really) that can draw links between spring beans (annotation or config based). I know that Spring framework has some capabilities but combining them would be great. And jpa/hibernate/ejb support would be better than RSA.
Submitted by Felix L J Mayer on Thu, 2018-11-29 20:11
Hi Petar, can you please send me an email to support@objectaid,com so we can discuss further? I would like to understand better what you are looking for.
Submitted by Cristian Ghezzi on Sat, 2017-11-11 06:55
The UML diagram has very basic features.
If you make an automatic layout and drag classes around to adjust it, lines won't redraw with a new route but bend in the middle, making the adjustment useless.
Submitted by Cristian Ghezzi on Mon, 2017-11-13 16:20
Despite the shortcomings, I found myself using it more than anticipated.
It helps me understand complicated code.
Submitted by Klaus Schultz on Fri, 2017-09-08 05:33
I like this lightweight UML tool (only tried class diagrams). In a few minutes you can create a class diagram showing the actual implementation of e.g. your domain model.
You select the classes by drag and drop. Object references are interpreted as association (if you want). You order the layout, which is persisted independent from the classes in the diagram file. The options give you the chance to suppress irrelevant parts of the class(es).
So that's what I need.
Submitted by Frederick Brim on Wed, 2016-09-21 13:47
I've been using ObjectAid in Mars for a while, and have nothing but good things to say about it. It's been instrumental as a visualization tool for de-tangling obnoxious coupling in legacy code I've inherited. (Of course, I would NEVER implement such ugly design... ;-))
Unfortunately, I've just made the upgrade to Eclipse Neon (4.6.0). While ObjectAid UML plugin successfully installs (no errors, and appears in the installed-plugins list), it does not seem to be hooked to the UI. It does not appear as an option in the wizard for creating new artifacts, nor in the "Editor Selector" when trying to "Open with..." an old .ucls file. (I'm having similar issues with the BPMN2 Modeler plugin for Neon.)
Submitted by Tom Silverman on Tue, 2015-12-01 19:25
Attributes in a class are only partially imported, the association arrows just appear wherever the heck they feel like. Constructors appear in the method drawers, and this lacks any real filtering ability on the class model generated from the source. I'm very disappointed!
Submitted by Felix L J Mayer on Thu, 2015-12-03 20:16
Hi Tom, ObjectAid does show all class attributes. When an attribute participates in an association, it is shown as a label of the association according to the UML standard. If you don't like the location of the admittedly basic association layout, you can easily change it by dragging the association. Showing constructors with the methods is the UML standard.
Submitted by Mohit Kumar on Tue, 2015-01-27 01:25
An error occurred while collecting items to be installed
session context was:(profile=epp.package.jee, phase=org.eclipse.equinox.internal.p2.engine.phases.Collect, operand=, action=).
Unable to read repository at objectaid.net/update/plugins/com.objectaid.uml_1.1.8.jar.
Premature end of Content-Length delimited message body (expected: 1075593; received: 158629
Unable to read repository at objectaid.net/update/plugins/com.objectaid.uml.addon_1.1.8.jar.
Premature end of Content-Length delimited message body (expected: 423155; received: 207351
Submitted by Serge Mathieu on Thu, 2014-10-16 06:17
I was looking for a free Eclipse plugin to create Class Diagram and finally found it.
ObjectAid is a very good tool that integrate very well in Eclipse.
To create my first Class diagram, I have first created a simple java project in Eclipse.
From that simple java project, I have created my first Diagram.
File -> new -> Other -> ObjectAid diagram.
In this diagram, I could drag and drop class from my professional project.
It is important to know that you don't have to pollute you project with the diagram if you just need them for printing.
That is why I have created a separate java project to test it.
Well it is a very good tool ;)
Submitted by Jeff Jensen on Mon, 2013-09-02 17:56
We don't want to manually create sequence diagrams. It's a lot of manual effort to simply generate one from code. This is a nice plugin, but because of that limitation, we need to continue looking.
Submitted by Felix L J Mayer on Sun, 2013-09-22 15:30
The problem with automatic sequence diagram generation is that even small pieces of code can produce huge diagrams with mostly uninteresting messages. If you would like to discuss, please contact us (http://objectaid.com/contact).
Submitted by Jeff Jensen on Sat, 2013-08-31 14:21
No auto gen of sequence diagrams.
Submitted by firstname.lastname@example.org on Wed, 2013-06-19 16:01
i´m suprised that uml generation could be as simple as with objectaid. will investigate further on.
Submitted by Mark Cornelius on Thu, 2013-05-02 09:57
Very helpful and and lets me choose the level of detail I want. Worth the price.
Submitted by Kuinai Fang on Fri, 2013-03-08 10:46
Submitted by Umesh Sharma on Mon, 2013-01-28 13:10
Great tool to generate sequence diagrams and class diagrams
Submitted by Ali Ghopeh on Thu, 2013-01-10 13:27
Exactly what I needed and I am sure a lot of out there need it too. Download and use it. Easy to use. Job well done. Looking forward to the future enhancements.
Submitted by Ethan Mallove on Fri, 2012-07-27 20:37
Java code in. UML diagram out. Simple. Beautiful.
Submitted by Etienne Pallier on Fri, 2012-05-11 06:28
does not work on eclipse indigo with mac os X or Fedora 16
Submitted by Walter Test on Sun, 2012-03-11 13:12
I am searching for a long time and found a pile of tools from 200€ year to 600$ one time pay. All this tools are great, but i am learning an object orienten way to develope software. My problem is, i come from the traditional programming and it is very hard for me to keep track all these classes.
With this tool i have an instant visualisation of all createt classes in my project and this is a very big help for me. Thanks very much, for this great tool.
Submitted by Kauldric Mising name on Fri, 2011-03-04 22:25
This is a tool for software developers. Love that it quickly and easily lets me conjure up UML simply by writing java classes. Plus I can always reverse engineer existing code.
Would be nice to have the ability to deal with association classes. Right now they are brought in as real classes which is very annoying and makes the diagrams more complicated than they need to be. Maybe add an annotation to the class?
Submitted by Felix L J Mayer on Sat, 2011-07-30 21:34
Could you please give a concrete example for clarification? You can contact me as described here: http://www.objectaid.com/contact.
Submitted by Jens Westermann on Fri, 2011-02-11 13:24
I looked for a UML Tool with following featueres:
-Simple to handle.
-I only want to draw class diagramms. This must be easy to do and the diagrams should look nice.
-Reverse Engineering Capability
-should cost a maximum of 100 €, at best for free
The ObjectAid UML Explorer fulfills all these requierements perfectly. I found no other tool, which fulfill the requirements above
Submitted by Ed Gow on Fri, 2010-06-25 14:38
I've been using ObjectAid for about two years over three versions of Eclipse. It's a fantastic plugin that I wouldn't be without. It's extremely intuitive to use and very robust and reliable. If you want to make UML diagrams in Eclipse then try ObjectAid first.