Is there an easy way to attach source in Eclipse

Question

I m a big fan of the way Visual Studio will give you the comment documentation   parameter names when completing code that you have written and ALSO code that you are referencing  various libraries assemblies    Is there an easy way to get inline javadoc parameter names in Eclipse when doing code complete or hovering over methods  Via plugin  Via some setting  It s extremely annoying to use a lot of libraries  as happens often in Java  and then have to go to the website or local javadoc location to lookup information when you have it in the source jars right there

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Another option is to right click on your jar file which would be under (Your Project)->Referenced Libraries->(your jar) and click on properties. Then click on Java Source Attachment. And then in location path put in the location for your source jar file.

This is just another approach to attaching your source file.

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I ve found that sometimes  you point to the directory you d assume was correct  and then it still states that it can t find the file in the attached source blah blah   These times  I ve realized that the last path element was  src   Just removing this path element  thus indeed pointing one level above the actual path where the  org  or  com  folder is located  magically makes it work   Somehow  Eclipse seems to imply this  src  path element if present  and if you then have it included in the source path  Eclipse chokes  Or something like that

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Click on the JAVA code you want to see   Click on List to open List java if    you want to check source code for java util List  Click on  Attach Source  button  You will be asked to  Select the location  folder  JAR or zip  containing the source for rt jar   Select  External location  option  Locate the src zip file  Path for src zip is     Java jdk1 8 0 45 src zip

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If you build your libraries with gradle  you can attach sources to the jars you create and then eclipse will automatically use them   See the answer by  MichaelOryl How to build sources jar with gradle   Copied here for your reference   jar       from sourceSets main allSource     The solution shown is for use with the gradle java plugin   Mileage may vary if you re not using that plugin

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For those who are writing Eclipse plugins and want to include the source    in the feature ExportWizard there is an option for including the source

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When you add a jar file to a classpath you can attach a source directory or zip or jar file to that jar   In the Java Build Path properties  on the Libraries tab  expand the entry for the jar and you ll see there s an item for the source attachment   Select this item and then click the Edit button   This lets you select the folder  jar or zip that contains the source   Additionally  if you select a class or a method in the jar and CTRL CLICK on it  or press F3  then you ll go into the bytecode view which has an option to attach the source code   Doing these things will give you all the parameter names as well as full javadoc   If you don t have the source but do have the javadoc  you can attach the javadoc via the first method   It can even reference an external URL if you don t have it downloaded

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1  Hold Control  left click on the method you want to see  Then Eclipse will bring you to the Source Not Found page    2  Click on  Attach Source    3    4  Navigate to C  Program Files Java jdk-9 0 1 lib src zip  5  Click OK  Now you should see the source code

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I was going to ask for an alternative to attaching sources to the same JAR being used across multiple projects  Originally  I had thought that the only alternative is to re-build the JAR with the source included but looking at the  user library  feature  you don t have to build the JAR with the source   This is an alternative when you have multiple projects  related or not  that reference the same JAR  Create an  user library  for each JAR and attach the source to them  Next time you need a specific JAR  instead of using  Add JARs     or  Add External JARs     you add the  user library  that you have previously created   You would only have to attach the source ONCE per JAR and can re-use it for any number of projects

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Up until yesterday I was stuck painstakingly downloading source zips for tons of jars and attaching them manually for every project  Then a colleague turned me on to The Java Source Attacher  It does what eclipse should do - a right click context menu that says  Attach Java Source       It automatically downloads the source for you and attaches it  I ve only hit a couple libraries it doesn t know about and when that happens it lets you contribute the url back to the community so no one else will have a problem with that library

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Another way is to add the folder to your source lookup path  http   help eclipse org helios index jsp topic  2Forg eclipse jdt doc user 2Freference 2Fviews 2Fdebug 2Fref-editsourcelookup htm

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yes there is a easy way    go to     http   sourceforge net projects jdk7src   and download the zip file  Then attach this to the eclipse  Give the path where you have downloaded the zip file in eclipse  We can then browse through the source

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Just click on attach source and select folder path     name will be same as folder name  in my case   Remember one thing you need to select path upto project folder base location with     at suffix ex D  MyProject

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Put source files into a zip file  as it does for java source  Go to Project properties -  Libraries Select Source attachment and click  Edit  On Source Attachment Configuration click  Variable  On  Variable Selection  click  New  Put a meaningful name and select the zip file created in step 1

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An easy way of doing this is      Download the respective SRC files folder  In the eclipse editor  Ctrl click or F3 on a method class you need the source for  A new tab opens up which says  No attached source found    Click the  attach sources  button  click the  attach source folder  button  browse to the location of the downloaded SRC folder  Done     p s   Button labels may vary slightly  but this is pretty much it

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Short answer would be yes   You can attach source using the properties for a project   Go to Properties  for the Project  -  Java Build Path -  Libraries  Select the Library you want to attach source javadoc for and then expand it  you ll see a list like so   Source Attachment   none  Javadoc location   none  Native library location   none  Access rules   No restrictions    Select Javadoc location and then click Edit on the right hahnd side  It should be quite straight forward from there   Good luck

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It may seem like overkill  but if you use maven and include source  the mvn eclipse plugin will generate all the source configuration needed to give you all the in-line documentation you could ask for

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Another thought for making that easier when using an automated build   When you create a jar of one of your projects  also create a source files jar  project jar project-src jar  Instead of going into the build path options dialog to add a source reference to each jar  try the following  add one source reference through the dialog   Edit your  classpath and using the first jar entry as a template  add the source jar files to each of your other jars     This way you can use Eclipse s navigation aids to their fullest while still using something more standalone to build your projects

User · Answer

Another thought for making that easier when using an automated build   When you create a jar of one of your projects  also create a source files jar  project jar project-src jar  Instead of going into the build path options dialog to add a source reference to each jar  try the following  add one source reference through the dialog   Edit your  classpath and using the first jar entry as a template  add the source jar files to each of your other jars     This way you can use Eclipse s navigation aids to their fullest while still using something more standalone to build your projects

[java] Is there an easy way to attach source in Eclipse?

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