close #53, do not create source remapped dirs, create dest remapped dirs

Author: johnrengelman

ChangeLog.md

@@ -6,6 +6,7 @@ v1.0.0
 + Properly configure the ShadowJar task inputs to observe the include/excludes from the `dependencies` block. This
   allows UP-TO-DATE checking to work properly when changing the `dependencies` rules ([Issue #54](https://github.com/johnrengelman/shadow/issues/54))
 + Apply relocation remappings to classes and imports in source project ([Issue #55](https://github.com/johnrengelman/shadow/issues/55))
++ Do not create directories in jar for source of remapped class, created directories in jar for destination of remapped classes ([Issue #53](https://github.com/johnrengelman/shadow/issues/53))
 
 v0.9.0-M5
 =========

src/main/groovy/com/github/jengelman/gradle/plugins/shadow/impl/RelocatorRemapper.groovy

@@ -20,6 +20,7 @@
 package com.github.jengelman.gradle.plugins.shadow.impl
 
 import com.github.jengelman.gradle.plugins.shadow.relocation.Relocator
+import com.github.jengelman.gradle.plugins.shadow.tasks.ShadowCopyAction.RelativeArchivePath
 import org.objectweb.asm.commons.Remapper
 
 import java.util.regex.Matcher
@@ -99,4 +100,12 @@ class RelocatorRemapper extends Remapper {
         return value
     }
 
+    String mapPath(String path) {
+        map(path.substring(0, path.indexOf('.')))
+    }
+
+    String mapPath(RelativeArchivePath path) {
+        mapPath(path.pathString)
+    }
+
 }

src/main/groovy/com/github/jengelman/gradle/plugins/shadow/tasks/ShadowCopyAction.groovy

@@ -183,7 +183,7 @@ public class ShadowCopyAction implements CopyAction {
                 }
                 filteredArchivePaths.each { RelativeArchivePath relativePath ->
                     if (!relativePath.file) {
-                        visitArchiveDirectory(relativePath)
+//                        visitArchiveDirectory(relativePath)
                     } else {
                         visitArchiveFile(relativePath, archive)
                     }
@@ -219,8 +219,18 @@ public class ShadowCopyAction implements CopyAction {
             }
         }
 
+        private void addParentDirectories(RelativeArchivePath file) {
+            if (file) {
+                addParentDirectories(file.parent)
+                if (!file.file) {
+                    visitArchiveDirectory(file)
+                }
+            }
+        }
+
         private void remapClass(RelativeArchivePath file, ZipFile archive) {
             if (file.classFile) {
+                addParentDirectories(new RelativeArchivePath(new ZipEntry(remapper.mapPath(file) + '.class'), null))
                 remapClass(archive.getInputStream(file.entry), file.pathString)
             }
         }
@@ -253,7 +263,7 @@ public class ShadowCopyAction implements CopyAction {
             byte[] renamedClass = cw.toByteArray()
 
             // Need to take the .class off for remapping evaluation
-            String mappedName = remapper.map(path.substring(0, path.indexOf('.')))
+            String mappedName = remapper.mapPath(path)
 
             try {
                 // Now we put it back on so the class file is written out with the right extension.
@@ -266,6 +276,7 @@ public class ShadowCopyAction implements CopyAction {
         }
 
         private void copyArchiveEntry(RelativeArchivePath archiveFile, ZipFile archive) {
+            addParentDirectories(archiveFile)
             zipOutStr.putNextEntry(archiveFile.entry)
             IOUtils.copyLarge(archive.getInputStream(archiveFile.entry), zipOutStr)
             zipOutStr.closeEntry()
@@ -311,6 +322,18 @@ public class ShadowCopyAction implements CopyAction {
         boolean isClassFile() {
             return lastName.endsWith('.class')
         }
+
+        RelativeArchivePath getParent() {
+            if (!segments) {
+                return null
+            } else if (segments.length == 1) {
+                return new RelativeArchivePath(new ZipEntry('/'), null)
+            } else {
+                //Parent is always a directory so add / to the end of the path
+                String path = segments[0..-2].join('/') + '/'
+                return new RelativeArchivePath(new ZipEntry(path), null)
+            }
+        }
     }
 
     class ArchiveFileTreeElement implements FileTreeElement {

src/test/groovy/com/github/jengelman/gradle/plugins/shadow/RelocationSpec.groovy

@@ -137,7 +137,7 @@ class RelocationSpec extends PluginSpecification {
         ])
     }
 
-    @Issue('SHADOW-55')
+    @Issue(['SHADOW-55', 'SHADOW-53'])
     def "remap class names for relocated files in project source"() {
         given:
         buildFile << """
@@ -179,10 +179,12 @@ class RelocationSpec extends PluginSpecification {
         contains(output, [
                 'shadow/ShadowTest.class',
                 'shadow/junit/Test.class',
+                'shadow/junit'
         ])
 
         and:
         doesNotContain(output, [
+                'junit/framework',
                 'junit/framework/Test.class'
         ])