Line data    Source code

       1             : // Copyright (C) 2013 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.acceptance;
      16             : 
      17             : import com.google.common.collect.Lists;
      18             : import java.io.File;
      19             : import org.eclipse.jgit.lib.Config;
      20             : import org.eclipse.jgit.storage.file.FileBasedConfig;
      21             : import org.eclipse.jgit.util.FS;
      22             : 
      23             : /** A file based Config that can merge another Config instance. */
      24             : public class MergeableFileBasedConfig extends FileBasedConfig {
      25             :   public MergeableFileBasedConfig(File cfgLocation, FS fs) {
      26          16 :     super(cfgLocation, fs);
      27          16 :   }
      28             : 
      29             :   /**
      30             :    * Merge another Config into this Config.
      31             :    *
      32             :    * <p>In case a configuration parameter exists both in this instance and in the merged instance
      33             :    * then the value in this instance will simply replaced by the value from the merged instance.
      34             :    *
      35             :    * @param s Config to merge into this instance
      36             :    */
      37             :   public void merge(Config s) {
      38          16 :     if (s == null) {
      39           1 :       return;
      40             :     }
      41          16 :     for (String section : s.getSections()) {
      42          12 :       for (String subsection : s.getSubsections(section)) {
      43           2 :         for (String name : s.getNames(section, subsection, true)) {
      44           2 :           setStringList(
      45             :               section,
      46             :               subsection,
      47             :               name,
      48           2 :               Lists.newArrayList(s.getStringList(section, subsection, name)));
      49           2 :         }
      50           2 :       }
      51             : 
      52          12 :       for (String name : s.getNames(section, true)) {
      53          12 :         setStringList(
      54          12 :             section, null, name, Lists.newArrayList(s.getStringList(section, null, name)));
      55          12 :       }
      56          12 :     }
      57          16 :   }
      58             : }