Autopsy  4.1
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.List;
23 import java.util.logging.Level;
24 import org.openide.nodes.AbstractNode;
25 import org.openide.nodes.ChildFactory;
26 import org.openide.nodes.Children;
27 import org.openide.nodes.Node;
28 import org.openide.util.NbBundle;
29 import org.openide.util.lookup.Lookups;
34 import org.sleuthkit.datamodel.TskCoreException;
35 
39 public class EventRootNode extends DisplayableItemNode {
40 
41  private static final long serialVersionUID = 1L;
42 
48  public static final int MAX_EVENTS_TO_DISPLAY = 5000;
49 
50  public EventRootNode(Collection<Long> fileIds, FilteredEventsModel filteredEvents) {
51  super(Children.create(new EventNodeChildFactory(fileIds, filteredEvents), true), Lookups.singleton(fileIds));
52  }
53 
54  @Override
55  public boolean isLeafTypeNode() {
56  return false;
57  }
58 
59  @Override
60  public <T> T accept(DisplayableItemNodeVisitor<T> v) {
61  return null;
62  }
63 
64  @Override
65  public String getItemType() {
66  return getClass().getName();
67  }
68 
72  private static class EventNodeChildFactory extends ChildFactory<Long> {
73 
74  private static final Logger LOGGER = Logger.getLogger(EventNodeChildFactory.class.getName());
75 
79  private final Collection<Long> eventIDs;
80 
85 
86  EventNodeChildFactory(Collection<Long> fileIds, FilteredEventsModel filteredEvents) {
87  this.eventIDs = fileIds;
88  this.filteredEvents = filteredEvents;
89  }
90 
91  @Override
92  protected boolean createKeys(List<Long> toPopulate) {
97  if (eventIDs.size() < MAX_EVENTS_TO_DISPLAY) {
98  toPopulate.addAll(eventIDs);
99  } else {
100  toPopulate.add(-1L);
101  }
102  return true;
103  }
104 
105  @Override
106  protected Node createNodeForKey(Long eventID) {
107  if (eventID < 0) {
108  /*
109  * If the eventId is a the special value ( -1 ), return a node
110  * with a warning that their are too many evens
111  */
112  return new TooManyNode(eventIDs.size());
113  } else {
114  try {
115  return EventNode.createEventNode(eventID, filteredEvents);
116  } catch (IllegalStateException ex) {
117  //Since the case is closed, the user probably doesn't care about this, just log it as a precaution.
118  LOGGER.log(Level.SEVERE, "There was no case open to lookup the Sleuthkit object backing a SingleEvent.", ex); // NON-NLS
119  return null;
120  } catch (TskCoreException ex) {
121  /*
122  * Just log it: There might be lots of these errors, and we
123  * don't want to flood the user with notifications. It will
124  * be obvious the UI is broken anyways
125  */
126  LOGGER.log(Level.SEVERE, "Failed to lookup Sleuthkit object backing a SingleEvent.", ex); // NON-NLS
127  return null;
128  }
129  }
130  }
131  }
132 
136  private static class TooManyNode extends AbstractNode {
137 
138  @NbBundle.Messages({
139  "# {0} - maximum number of events to display",
140  "# {1} - the number of events that is too many",
141  "EventRoodNode.tooManyNode.displayName=Too many events to display. Maximum = {0}. But there are {1} to display."})
142  TooManyNode(int size) {
143  super(Children.LEAF);
144  this.setIconBaseWithExtension("org/sleuthkit/autopsy/images/info-icon-16.png"); // NON-NLS
145  setDisplayName(Bundle.EventRoodNode_tooManyNode_displayName(MAX_EVENTS_TO_DISPLAY, size));
146  }
147  }
148 }
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: Mon Jan 2 2017
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