Line data    Source code

       1             : // Copyright (C) 2012 The Android Open Source Project
       2             : //
       3             : // Licensed under the Apache License, Version 2.0 (the "License");
       4             : // you may not use this file except in compliance with the License.
       5             : // You may obtain a copy of the License at
       6             : //
       7             : // http://www.apache.org/licenses/LICENSE-2.0
       8             : //
       9             : // Unless required by applicable law or agreed to in writing, software
      10             : // distributed under the License is distributed on an "AS IS" BASIS,
      11             : // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
      12             : // See the License for the specific language governing permissions and
      13             : // limitations under the License.
      14             : 
      15             : package com.google.gerrit.server.plugins;
      16             : 
      17             : import com.google.common.flogger.FluentLogger;
      18             : import java.io.IOException;
      19             : import java.nio.file.Files;
      20             : import java.nio.file.Path;
      21             : import java.util.jar.JarFile;
      22             : 
      23             : class CleanupHandle {
      24           1 :   private static final FluentLogger logger = FluentLogger.forEnclosingClass();
      25             : 
      26             :   private final Path tmp;
      27             :   private final JarFile jarFile;
      28             : 
      29           1 :   CleanupHandle(Path tmp, JarFile jarFile) {
      30           1 :     this.tmp = tmp;
      31           1 :     this.jarFile = jarFile;
      32           1 :   }
      33             : 
      34             :   void cleanup() {
      35             :     try {
      36           1 :       jarFile.close();
      37           0 :     } catch (IOException err) {
      38           0 :       logger.atSevere().withCause(err).log("Cannot close %s", jarFile.getName());
      39           1 :     }
      40             :     try {
      41           1 :       Files.deleteIfExists(tmp);
      42           1 :       logger.atInfo().log("Cleaned plugin %s", tmp.getFileName());
      43           0 :     } catch (IOException e) {
      44           0 :       logger.atWarning().withCause(e).log(
      45             :           "Cannot delete %s, retrying to delete it on termination of the virtual machine",
      46           0 :           tmp.toAbsolutePath());
      47           0 :       tmp.toFile().deleteOnExit();
      48           1 :     }
      49           1 :   }
      50             : }