v1.3.4 pom

pom.xml

@@ -7,7 +7,7 @@
 
 	<groupId>com.inteligr8</groupId>
 	<artifactId>ban-maven-plugin</artifactId>
-	<version>1.3.1</version>
+	<version>1.3.4</version>
 	<packaging>maven-plugin</packaging>
 
 	<name>Ban Dependencies Maven Plugin</name>

src/main/java/com/inteligr8/maven/ban/PurgeRepoMojo.java

@@ -16,6 +16,7 @@ package com.inteligr8.maven.ban;
 
 import java.io.File;
 import java.io.IOException;
+import java.nio.file.DirectoryNotEmptyException;
 import java.nio.file.FileVisitResult;
 import java.nio.file.FileVisitor;
 import java.nio.file.Files;
@@ -158,14 +159,14 @@ public class PurgeRepoMojo extends AbstractMojo {
             this.getLog().info("DRYRUN: Would have deleted certain paths from local Maven cache: " + repoPath);
             this.getLog().info("DRYRUN: Would have deleted these paths: " + includePaths);
         } else {
-            for (Path path : includePaths) {
+            for (Path versionPath : includePaths) {
-                Path fullpath = repoPath.resolve(path);
+                Path fullVersionPath = repoPath.resolve(versionPath);
-                if (Files.exists(fullpath)) {
+                if (Files.exists(fullVersionPath)) {
-                    this.getLog().info("Deleting version from Maven cache: " + path);
+                    this.getLog().info("Deleting version from Maven cache: " + versionPath);
-                    Files.walkFileTree(fullpath, new DeleteDirectoryVisitor());
+                    Files.walkFileTree(fullVersionPath, new DeleteNonMetadataVisitor());
                 } else {
                     // this will probably never happen
-                    this.getLog().debug("Maven cache does not exist: " + path);
+                    this.getLog().debug("Maven cache does not exist: " + versionPath);
                 }
             }
         }
@@ -219,14 +220,27 @@ public class PurgeRepoMojo extends AbstractMojo {
         
         Files.list(repoPath.resolve(groupPath)).forEach(new Consumer<Path>() {
             @Override
-            public void accept(Path t) {
+            public void accept(Path fullArtifactPath) {
                 if (artifactPattern == null) {
-                    paths.add(repoPath.relativize(t));
+                    // these may include sub-groups and not just artifacts
+                    // which will lead to paths with artifacts as versions
+                    // so we are looping through versions to see if it is indeed an artifact
+                    try {
+                        Files.list(fullArtifactPath).findFirst().ifPresent(new Consumer<Path>() {
+                            @Override
+                            public void accept(Path fullVersionPath) {
+                                if (Files.exists(fullVersionPath.resolve("_remote.repositories")))
+                                    paths.add(repoPath.relativize(fullArtifactPath));
+                            }
+                        });
+                    } catch (IOException ie) {
+                        getLog().error(ie.getMessage(), ie);
+                    }
                 } else {
-                    Matcher matcher = artifactPattern.matcher(t.getFileName().toString());
+                    Matcher matcher = artifactPattern.matcher(fullArtifactPath.getFileName().toString());
                     if (matcher.matches()) {
-                        getLog().debug("The artifact directory '" + t.getFileName() + "' qualifies as included");
+                        getLog().debug("The artifact directory '" + fullArtifactPath.getFileName() + "' qualifies as included");
-                        paths.add(repoPath.relativize(t));
+                        paths.add(repoPath.relativize(fullArtifactPath));
                     }
                 }
             }
@@ -266,7 +280,9 @@ public class PurgeRepoMojo extends AbstractMojo {
     
     
     
-    private class DeleteDirectoryVisitor implements FileVisitor<Path> {
+    private class DeleteNonMetadataVisitor implements FileVisitor<Path> {
+        
+        private final Pattern versionPathPattern = Pattern.compile("/([^/]+)/([^/]+)$");
         
         @Override
         public FileVisitResult preVisitDirectory(Path dir, BasicFileAttributes attrs) throws IOException {
@@ -275,12 +291,30 @@ public class PurgeRepoMojo extends AbstractMojo {
         
         @Override
         public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException {
-            try {
+            if (attrs.isDirectory()) {
-                if (!attrs.isDirectory())
+                getLog().warn("An unexpected directory was found: " + file);
+                return FileVisitResult.SKIP_SUBTREE;
+            }
+
+            Matcher matcher = this.versionPathPattern.matcher(file.toString());
+            if (!matcher.find()) {
+                getLog().debug("Ignoring file from purge: " + file);
+                return FileVisitResult.CONTINUE;
+            }
+            
+            String artifactId = matcher.group(1);
+            String version = matcher.group(2);
+            String includeName = artifactId + "-" + version;
+            String excludeName = artifactId + "-" + version + ".pom";
+            if (file.getFileName().toString().startsWith(includeName) &&
+                    !file.getFileName().toString().startsWith(excludeName)) {
+                try {
                     Files.delete(file);
-            } catch (IOException ie) {
+                } catch (IOException ie) {
-                getLog().debug(ie);
+                    getLog().debug(ie);
-                getLog().warn("The file failed to delete: " + file);
+                    getLog().warn("The file failed to delete: " + file);
+                    return FileVisitResult.SKIP_SIBLINGS;
+                }
             }
             
             return FileVisitResult.CONTINUE;
@@ -295,6 +329,8 @@ public class PurgeRepoMojo extends AbstractMojo {
         public FileVisitResult postVisitDirectory(Path dir, IOException exc) throws IOException {
             try {
                 Files.delete(dir);
+            } catch (DirectoryNotEmptyException dnee) {
+                getLog().debug("The folder will not be deleted as it is not empty: " + dir);
             } catch (IOException ie) {
                 getLog().debug(ie);
                 getLog().warn("The folder failed to delete: " + dir);