Ant script: Prevent duplication of JAR in javac-classpath war-lib -


i have ant script , have lot of duplicated path same set jar files. there many double wording in classpath , in war element.

<path id="my.classpath">   <pathelement location="foldera/subfoldera/1.0/a.jar"/>   <pathelement location="folderc/subfolderb/1.0/b.jar"/>   <pathelement location="folderf/subfolderz/2.0/z.jar"/>   <pathelement location="compile/subfolderx/1.0/onlyforjavac.jar"/> </path> .... <javac ...>  <classpath refid="my.classpath" /> </javac> .... <war ...>  <lib file="foldera/subfoldera/1.0/a.jar"/>  <lib file="folderc/subfolderb/1.0/b.jar"/>  <lib file="folderf/subfolderz/2.0/z.jar"/>  <lib file="morefolderf/subfolderz/2.0/additionfile.jar"/>  <lib file="morefolderf/subfolderz/2.0/additionruntimefile.jar"/> </war>

i want summary them 1 list easier keep update.

but blocked have no idea how share path-like-structure fileset-like-structure.

since ant 1.8.0 there new resource collection - mappedresources can used in place of war task lib element.

so, task might (pretty straight docs):

<war ... >     <mappedresources>         <restrict>            <path refid="my.classpath"/>            <type type="file"/>         </restrict>         <chainedmapper>           <flattenmapper/>           <globmapper from="*" to="web-inf/lib/*"/>         </chainedmapper>     </mappedresources> </war>

this feature added resolve long-standing feature request make task flatten jars when deploying web-inf/lib.

previous answer:

although can't convert path fileset vanilla ant, can go other way. 1 option define jars in fileset, , derive path it. perhaps:

<fileset id="my.fileset" dir="${basedir}">     <include name="foldera/subfoldera/1.0/a.jar"/>     <include name="folderc/subfolderb/1.0/b.jar"/>     <include name="folderf/subfolderz/2.0/z.jar"/>     <include name="morefolderf/subfolderz/2.0/additionfile.jar"/>     <include name="morefolderf/subfolderz/2.0/additionruntimefile.jar"/> </fileset>  <path id="my.classpath">     <fileset refid="my.fileset" /> </path>  <!-- javac stays same -->  <war ...>     <lib refid="my.fileset" /> </war>

another possibility use ant-contrib pathtofileset task.


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