Autopsy  4.4
Graphical digital forensics platform for The Sleuth Kit and other tools.
EventRootNode.java
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1 /*
2  * Autopsy Forensic Browser
3  *
4  * Copyright 2014-16 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.timeline.explorernodes;
20 
21 import java.util.Collection;
22 import java.util.HashMap;
23 import java.util.List;
24 import java.util.Map;
25 import java.util.logging.Level;
26 import org.openide.nodes.AbstractNode;
27 import org.openide.nodes.ChildFactory;
28 import org.openide.nodes.Children;
29 import org.openide.nodes.Node;
30 import org.openide.util.NbBundle;
31 import org.openide.util.lookup.Lookups;
36 import org.sleuthkit.datamodel.TskCoreException;
37 
41 public class EventRootNode extends DisplayableItemNode {
42 
43  private static final long serialVersionUID = 1L;
44 
50  public static final int MAX_EVENTS_TO_DISPLAY = 5000;
51 
52  public EventRootNode(Collection<Long> fileIds, FilteredEventsModel filteredEvents) {
53  super(Children.create(new EventNodeChildFactory(fileIds, filteredEvents), true), Lookups.singleton(fileIds));
54  }
55 
56  @Override
57  public boolean isLeafTypeNode() {
58  return false;
59  }
60 
61  @Override
62  public <T> T accept(DisplayableItemNodeVisitor<T> v) {
63  return null;
64  }
65 
66  @Override
67  public String getItemType() {
68  return getClass().getName();
69  }
70 
74  private static class EventNodeChildFactory extends ChildFactory<Long> {
75 
76  private static final Logger LOGGER = Logger.getLogger(EventNodeChildFactory.class.getName());
77 
81  private final Collection<Long> eventIDs;
82 
87  private Map<Long, Node > nodesMap = new HashMap<>();
88 
89 
90  EventNodeChildFactory(Collection<Long> fileIds, FilteredEventsModel filteredEvents) {
91  this.eventIDs = fileIds;
92  this.filteredEvents = filteredEvents;
93  }
94 
95  @Override
96  protected boolean createKeys(List<Long> toPopulate) {
101  if (eventIDs.size() < MAX_EVENTS_TO_DISPLAY) {
102  for (Long eventId: eventIDs){
103  if (!nodesMap.containsKey(eventId)) {
104  nodesMap.put(eventId, createNode(eventId));
105  }
106  toPopulate.add(eventId);
107  }
108  } else {
109  if (!nodesMap.containsKey(-1L)) {
110  nodesMap.put(-1L, createNode(-1L));
111  }
112  toPopulate.add(-1L);
113  }
114  return true;
115  }
116 
117  @Override
118  protected Node createNodeForKey(Long eventID) {
119  return nodesMap.get(eventID);
120  }
121 
122  private Node createNode(Long eventID) {
123 
124  if (eventID < 0) {
125  /*
126  * If the eventId is a the special value ( -1 ), return a node
127  * with a warning that their are too many evens
128  */
129  return new TooManyNode(eventIDs.size());
130  } else {
131  try {
132  return EventNode.createEventNode(eventID, filteredEvents);
133  } catch (IllegalStateException ex) {
134  //Since the case is closed, the user probably doesn't care about this, just log it as a precaution.
135  LOGGER.log(Level.SEVERE, "There was no case open to lookup the Sleuthkit object backing a SingleEvent.", ex); // NON-NLS
136  return null;
137  } catch (TskCoreException ex) {
138  /*
139  * Just log it: There might be lots of these errors, and we
140  * don't want to flood the user with notifications. It will
141  * be obvious the UI is broken anyways
142  */
143  LOGGER.log(Level.SEVERE, "Failed to lookup Sleuthkit object backing a SingleEvent.", ex); // NON-NLS
144  return null;
145  }
146  }
147  }
148  }
149 
153  private static class TooManyNode extends AbstractNode {
154 
155  @NbBundle.Messages({
156  "# {0} - maximum number of events to display",
157  "# {1} - the number of events that is too many",
158  "EventRoodNode.tooManyNode.displayName=Too many events to display. Maximum = {0}. But there are {1} to display."})
159  TooManyNode(int size) {
160  super(Children.LEAF);
161  this.setIconBaseWithExtension("org/sleuthkit/autopsy/images/info-icon-16.png"); // NON-NLS
162  setDisplayName(Bundle.EventRoodNode_tooManyNode_displayName(MAX_EVENTS_TO_DISPLAY, size));
163  }
164  }
165 }
static EventNode createEventNode(final Long eventID, FilteredEventsModel eventsModel)
Definition: EventNode.java:218
EventRootNode(Collection< Long > fileIds, FilteredEventsModel filteredEvents)
synchronized static Logger getLogger(String name)
Definition: Logger.java:161

Copyright © 2012-2016 Basis Technology. Generated on: Tue Jun 13 2017
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