Autopsy  4.18.0
Graphical digital forensics platform for The Sleuth Kit and other tools.
UserPreferences.java
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1 /*
2  * Autopsy Forensic Browser
3  *
4  * Copyright 2020 Basis Technology Corp.
5  * Contact: carrier <at> sleuthkit <dot> org
6  *
7  * Licensed under the Apache License, Version 2.0 (the "License");
8  * you may not use this file except in compliance with the License.
9  * You may obtain a copy of the License at
10  *
11  * http://www.apache.org/licenses/LICENSE-2.0
12  *
13  * Unless required by applicable law or agreed to in writing, software
14  * distributed under the License is distributed on an "AS IS" BASIS,
15  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16  * See the License for the specific language governing permissions and
17  * limitations under the License.
18  */
19 package org.sleuthkit.autopsy.keywordsearch;
20 
21 import java.util.prefs.BackingStoreException;
22 import java.util.prefs.PreferenceChangeListener;
23 import java.util.prefs.Preferences;
24 import org.openide.util.NbPreferences;
25 
30 final class UserPreferences {
31 
32  private static final Preferences preferences = NbPreferences.forModule(UserPreferences.class);
33  private static final String INDEXING_MAX_SHARDS = "IndexingMaxShards"; //NON-NLS
34  private static final String INDEXING_DOC_QUEUE_SIZE = "IndexingDocumentQueueSize"; //NON-NLS
35  private static final String INDEXING_NUM_THREADS = "IndexingNumThreads"; //NON-NLS
36  private static final String SOLR_CONNECTION_TIMEOUT_MS = "SolrConnectionTimeoutMs"; //NON-NLS
37  private static final int DEFAULT_CONNECTION_TIMEOUT_MS = 0; // unlimited
38  private static final int DEFAULT_INDEXING_DOC_QUEUE_SIZE = 30; //NON-NLS
39 
40  // Prevent instantiation.
41  private UserPreferences() {
42  }
43 
50  public static void reloadFromStorage() throws BackingStoreException {
51  preferences.sync();
52  }
53 
61  public static void saveToStorage() throws BackingStoreException {
62  preferences.flush();
63  }
64 
65  public static void addChangeListener(PreferenceChangeListener listener) {
66  preferences.addPreferenceChangeListener(listener);
67  }
68 
69  public static void removeChangeListener(PreferenceChangeListener listener) {
70  preferences.removePreferenceChangeListener(listener);
71  }
72 
73  public static void setMaxNumShards(int maxShards) {
74  preferences.putInt(INDEXING_MAX_SHARDS, maxShards);
75  }
76 
77  public static int getMaxNumShards() {
78  return preferences.getInt(INDEXING_MAX_SHARDS, 0);
79  }
80 
81  public static int getNumThreads() {
82  return preferences.getInt(INDEXING_NUM_THREADS, 5);
83  }
84 
85  public static void setNumThreads(int maxShards) {
86  preferences.putInt(INDEXING_NUM_THREADS, maxShards);
87  }
88 
89  public static void setConnectionTimeout(int connectionTimeoutMs) {
90  preferences.putInt(SOLR_CONNECTION_TIMEOUT_MS, connectionTimeoutMs);
91  }
92 
93  public static int getConnectionTimeout() {
94  return preferences.getInt(SOLR_CONNECTION_TIMEOUT_MS, DEFAULT_CONNECTION_TIMEOUT_MS);
95  }
96 
97  // reading of this parameter exists so that sys admins can change the batch size without
98  // having to ask for a new installer. We do not want users to be changing this, hence
99  // this is not in UI.
100  public static int getDocumentsQueueSize() {
101  return preferences.getInt(INDEXING_DOC_QUEUE_SIZE, DEFAULT_INDEXING_DOC_QUEUE_SIZE);
102  }
103 }
static void removeChangeListener(PreferenceChangeListener listener)
static void addChangeListener(PreferenceChangeListener listener)

Copyright © 2012-2021 Basis Technology. Generated on: Thu Jul 8 2021
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