OPENDJ-2730 Fix upgrade on case insensitive file systems

Gaetan Boismal

11.37.2016 d48536f1cf5e4b6714122fc0d85a5e77bf731346

 opendj-server-legacy/src/main/java/org/opends/server/tools/upgrade/UpgradeTasks.java

@@ -563,7 +563,7 @@
      @Override
      public void prepare(UpgradeContext context) throws ClientException
      {
        Upgrade.setHasPostUpgradeTask(true);
        Upgrade.needToRunPostUpgradePhase();
        // Requires answer from the user.
        isATaskToPerform = context.confirmYN(summary, NO) == YES;
        isRebuildAllIndexesIsPresent = true;
@@ -618,7 +618,7 @@
      @Override
      public void prepare(UpgradeContext context) throws ClientException
      {
        Upgrade.setHasPostUpgradeTask(true);
        Upgrade.needToRunPostUpgradePhase();
        // Requires answer from the user.
        isATaskToPerform = context.confirmYN(summary, NO) == YES;
      }
@@ -1059,7 +1059,7 @@
          {
            while (jeBackends.hasNext())
            {
              Upgrade.setHasPostUpgradeTask(true);
              Upgrade.needToRunPostUpgradePhase();
              reimportRequired = true;

              Entry jeBackend = jeBackends.readEntry();
@@ -1322,6 +1322,7 @@
  {
    return new AbstractUpgradeTask()
    {

      @Override
      public void perform(final UpgradeContext context) throws ClientException
      {
@@ -1329,19 +1330,30 @@
            INFORMATION, INFO_UPGRADE_TASK_REMOVE_OLD_JARS.get(), 0);
        context.notifyProgress(pnc);

        final boolean fileSystemIsCaseSensitive = fileSystemIsCaseSensitive(context);

        deleteJarFilesIfFileSystemIsCaseSensitive(fileSystemIsCaseSensitive, "OpenDJ");
        for (final String locale : SUPPORTED_LOCALES_FOR_3_0_0)
        {
          deleteJarFileIfExists("OpenDJ_" + locale);
          deleteJarFileIfExists("OpenDJ-" + locale);
          deleteJarFiles("OpenDJ-" + locale);
          deleteJarFilesIfFileSystemIsCaseSensitive(fileSystemIsCaseSensitive, "OpenDJ_" + locale);
        }
        deleteJarFileIfExists("OpenDJ",
            // Jar files from 2.6.x
            "jackson-core-asl", "jackson-mapper-asl", "json-fluent", "json-resource-servlet",
        // Jar files from 2.6.x
        deleteJarFiles("jackson-core-asl", "jackson-mapper-asl", "json-fluent", "json-resource-servlet",
            "mail", "opendj-ldap-sdk", "opendj-rest2ldap-servlet", "opendj-server2x-adapter");
        context.notifyProgress(pnc.setProgress(100));
      }

      private void deleteJarFileIfExists(final String... jarFileNames)
      private void deleteJarFilesIfFileSystemIsCaseSensitive(
          final boolean fileSystemIsCaseSensitive, final String... jarFileNames)
      {
        if (fileSystemIsCaseSensitive)
        {
          deleteJarFiles(jarFileNames);
        }
      }

      private void deleteJarFiles(final String... jarFileNames)
      {
        for (final String jarFileName : jarFileNames)
        {
@@ -1352,6 +1364,24 @@
          }
        }
      }

      /** Used to know if we have to remove old "camel case" OpenDJ[_]*.jar(see OPENDJ-2692). */
      private boolean fileSystemIsCaseSensitive(final UpgradeContext context) throws ClientException
      {
        final File openDJCamelCaseJar = new File(libDirectory, "OpenDJ.jar");
        try
        {
          // getCanonicalPath() will return the new "opendj.jar" on case insensitive file systems
          return openDJCamelCaseJar.getCanonicalPath().equals(openDJCamelCaseJar.getAbsolutePath());
        }
        catch (final IOException unlikely)
        {
          // Warn the user that he may have some old camel case jars to remove
          context.notify(INFO_UPGRADE_TASK_UNABLE_TO_REMOVE_OLD_JARS.get());
          Upgrade.needToExitWithErrorCode();
          return false;
        }
      }
    };

  }