I have an old Eclipse project and the code is not well formatted. I'd like to format all the .java files according to the settings in Eclipse. I don't want to edit every individual file with Ctrl+Shift+F. Is there a way to format all my files? Perhaps an Eclipse plugin?
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5 Answers
Right click on the project root and select Source -> Format. This should work for at least version 3.8.1. and above.
If the above does not work, you're probably using an older Eclipse-version. In such case you can select your Source Folders by clicking on them while holding down CTRL, then select Source -> Format from the right-click -menu. Works with package-folders and class files also, in case you don't want to format the entire project.
9 Comments
Jason McVetta
Selecting project root worked fine for me to format all files in project, using Eclipse 3.8.1.
Luke
+1 selecting the project seems to work in eclipse 4.2 also. Consider removing the strikethrough and editing the answer to include the alternate solution for those who encounter a problem selecting the project.
esaj
@Luke and Jason McVetta: Thanks for the info, I've edited the answer to mention that selecting project root works in newer Eclipses and made the second paragraph a bit clearer.
Luke
Actually, upon further testing I have determined that the difference is Package Explorer vs. Project Explorer. In Project Explorer, it doesn't format all the files and in Package Explorer it does.
Kuchi
This also formats other files in the the project like .xml, .css and .html. Is there a way to only format the .java files?
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I also had the Java Perspective ON and this was still not working. My eclipse was only formatting css and Html files, but not JAVA ones.
Then, I located this answer that explains this:
You must add Java Facet to the project to allow Java classes to be detected by Eclipse formatter
Then, you should check on PROJECT-PROPERTIES-PROJECT FACETS and activate the Java facet for the project:
And by right-clicking on top of the PACKAGE-EXPLORER you will find the SOURCE - FORMAT option, and it will format Java files too.
Be careful, check it´s package explorer, not Project Explorer (click Window-Show View-PackageExplorer)
answered Dec 13, 2017 at 17:26
Alejandro Teixeira Muñoz
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This is the purpose of
Source ->Clean Up...
selecting the appropriate options.
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In older versions of Eclipse (Indigo) it works from Package Explorer (not Navigator). Right click the package you wish to format then choose Source -> Format. It will format all classes in that package and its sub-packages.
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In Eclipse Mars.1 Release (4.5.1) version and above, just press Right click on the code typing area
Src > Source > Format.
If you want to format individual java / xml file just do Ctrl+Shift+f
