added checking for parent to decide not found resource is still clean or a failure

Author: danielschulz

WebSphereClearCaches/src/main/java/de/novensa/techniques/maven/plugin/web/as/WebSphere/ClearCachesMojo.java

@@ -29,8 +29,6 @@
  * consulting the mentioned script inside my WebSphere instance. This plugin helps in automating these tasks in your maven build chain.
  *
  * @author Daniel Schulz
- *
- * @goal clearCache
  */
 @SuppressWarnings("UnusedDeclaration")
 @Mojo(name = "clearCaches", defaultPhase = LifecyclePhase.INSTALL)
@@ -155,6 +153,12 @@ public void execute() throws MojoExecutionException, MojoFailureException {
                     wsHomeCanonical +
                     locationsRelSteam;// location´s relative stem -- what does not change for any cleaning item
 
+            final File wsHomeProfileStemFile = new File(wsHomeProfileStem);
+            if (!wsHomeProfileStemFile.exists()) {
+                throw new IllegalStateException(String.format(ErrorMessages.PROFILES_DIRECTORY_DOES_NOT_EXIST,
+                        appServerProfile, locationsRelSteam));
+            }
+
             for (String cleaningItem : listOfCleaningItems) {
                 processFile(wsHomeProfileStem + cleaningItem);
             }
@@ -245,6 +249,10 @@ private void processFile(final String path) throws MojoFailureException, MojoExe
         final File effectivePath = new File(dropEndingString(path, ANY_FILES_WITHIN));
 
         if (!effectivePath.exists()) {
+            // look for the parent to exist
+            possiblyReportNotExistingParent(effectivePath.getParentFile());
+
+            // only iff parent was there -- else this is an exception and we are not here any more
             log(INFO, String.format(DIRECTORY_DOES_NOT_EXIST, effectivePath));
             cleanedCount++;
             filesToCleanCount++;
@@ -256,6 +264,9 @@ private void processFile(final String path) throws MojoFailureException, MojoExe
             if (effectivePath.exists()) {
                 final File[] files = effectivePath.listFiles();
                 if (null != files) {
+                    // check for existing parent
+                    possiblyReportNotExistingParent(effectivePath);
+
                     filesToCleanCount += files.length;
 
                     for (File file : files) {
@@ -266,12 +277,21 @@ private void processFile(final String path) throws MojoFailureException, MojoExe
                 log(ERROR, String.format(DIRECTORY_DOES_NOT_EXIST, effectivePath));
             }
         } else {
+            // check for existing parent
+            possiblyReportNotExistingParent(effectivePath.getParentFile());
+
             // clear the whole folder
             filesToCleanCount++;
             cleanFile(effectivePath);
         }
     }
 
+    private void possiblyReportNotExistingParent(final File effectivePath) {
+        if (!effectivePath.exists() || !effectivePath.isDirectory()) {
+            throw new IllegalStateException(String.format(ErrorMessages.DIRECTORY_DOES_NOT_EXIST, effectivePath));
+        }
+    }
+
     private void cleanFile(final File file) throws MojoFailureException, MojoExecutionException {
         // check permissions
         if (!file.canWrite()) {

WebSphereClearCaches/src/main/java/de/novensa/techniques/maven/plugin/web/as/WebSphere/runtime/ErrorMessages.java

@@ -35,6 +35,9 @@ public interface ErrorMessages {
 
     static final String DIRECTORY_DOES_NOT_EXIST = "The directory '%s' cannot be found.";
 
+    static final String PROFILES_DIRECTORY_DOES_NOT_EXIST = "The profiles directory for the profile '%s' is not located in " +
+            "'%s' where it is expected.";
+
     static final String FILE_CANNOT_BE_RETRIEVED_ITS_CANONICAL_PATH_FROM = "The file '%s' cannot be retrieved it´s " +
             "canonical path from.";