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Merge pull request #898 from rcordovano/keyword_search_manager

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Cretae keyword lists manager
This commit is contained in:
Richard Cordovano 2014-09-26 12:22:05 -04:00
commit 1be3b2bc13
2 changed files with 98 additions and 24 deletions
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76
KeywordSearch/src/org/sleuthkit/autopsy/keywordsearch/KeywordListsManager.java Normal file
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@ -0,0 +1,76 @@
/*
* Autopsy Forensic Browser
*
* Copyright 2014 Basis Technology Corp.
* Contact: carrier <at> sleuthkit <dot> org
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.sleuthkit.autopsy.keywordsearch;
import java.beans.PropertyChangeEvent;
import java.beans.PropertyChangeListener;
import java.util.ArrayList;
import java.util.List;
import java.util.Observable;
/**
* A manager for keyword lists.
*/
// TODO (RC): This class is a first step towards a fully functional and public
// keyword list manager, establishing the beginning of a public API. It is
// motivated by a desire to not expose XmlKeywordSearchList to public clients.
// It should be futher developed as time constraints and needs dictate.
public class KeywordListsManager extends Observable {
private static KeywordListsManager instance;
private final PropertyChangeListener listsChangeListener;
/**
* Constructs a keyword lists manager.
*/
private KeywordListsManager() {
this.listsChangeListener = new PropertyChangeListener() {
@Override
public void propertyChange(PropertyChangeEvent evt) {
KeywordListsManager.this.setChanged();
KeywordListsManager.this.notifyObservers();
}
};
XmlKeywordSearchList.getCurrent().addPropertyChangeListener(this.listsChangeListener);
}
/**
* Gets the singleton instance of the keyword lists manager.
*/
public static synchronized KeywordListsManager getInstance() {
if (instance == null) {
instance = new KeywordListsManager();
}
return instance;
}
/**
* Gets the names of the configured keyword lists.
*
* @return The name strings.
*/
public List<String> getKeywordListNames() {
List<String> names = new ArrayList<>();
for (KeywordList list : XmlKeywordSearchList.getCurrent().getListsL()) {
names.add(list.getName());
}
return names;
}
}

46
KeywordSearch/src/org/sleuthkit/autopsy/keywordsearch/XmlKeywordSearchList.java
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@ -38,15 +38,14 @@ import org.w3c.dom.Element;
import org.w3c.dom.NodeList;
/**
* Manages reading and writing of keyword lists to user settings XML file keywords.xml
* or to any file provided in constructor
* Manages reading and writing of keyword lists to user settings XML file
* keywords.xml or to any file provided in constructor
*/
public final class XmlKeywordSearchList extends KeywordSearchList {
final class XmlKeywordSearchList extends KeywordSearchList {
private static final Logger xmlListslogger = Logger.getLogger(XmlKeywordSearchList.class.getName());
private static final String CUR_LISTS_FILE_NAME = "keywords.xml"; //NON-NLS
private static String CUR_LISTS_FILE = PlatformUtil.getUserConfigDirectory() + File.separator + CUR_LISTS_FILE_NAME;
private static final String XSDFILE = "KeywordsSchema.xsd"; //NON-NLS
private static final String CUR_LISTS_FILE = PlatformUtil.getUserConfigDirectory() + File.separator + CUR_LISTS_FILE_NAME;
private static final String ROOT_EL = "keyword_lists"; //NON-NLS
private static final String LIST_EL = "keyword_list"; //NON-NLS
private static final String LIST_NAME_ATTR = "name"; //NON-NLS
@ -59,8 +58,8 @@ public final class XmlKeywordSearchList extends KeywordSearchList {
private static final String KEYWORD_SELECTOR_ATTR = "selector"; //NON-NLS
private static final String DATE_FORMAT = "yyyy-MM-dd HH:mm:ss"; //NON-NLS
private static final String ENCODING = "UTF-8"; //NON-NLS
private static XmlKeywordSearchList currentInstance = null;
private DateFormat dateFormatter;
private static XmlKeywordSearchList currentInstance = null;
private final DateFormat dateFormatter;
static synchronized XmlKeywordSearchList getCurrent() {
if (currentInstance == null) {
@ -71,20 +70,21 @@ public final class XmlKeywordSearchList extends KeywordSearchList {
}
/**
* Constructor to obtain handle on other that the current keyword list
* (such as for import or export)
* Constructor to obtain handle on other that the current keyword list (such
* as for import or export)
*
* @param xmlFile xmlFile to obtain XmlKeywordSearchList handle on
*/
XmlKeywordSearchList(String xmlFile) {
super(xmlFile);
dateFormatter = new SimpleDateFormat(DATE_FORMAT);
}
@Override
public boolean save() {
return save(false);
}
@Override
public boolean save(boolean isExport) {
boolean success = false;
@ -113,7 +113,7 @@ public final class XmlKeywordSearchList extends KeywordSearchList {
listEl.setAttribute(LIST_NAME_ATTR, listName);
listEl.setAttribute(LIST_CREATE_ATTR, created);
listEl.setAttribute(LIST_MOD_ATTR, modified);
// only write the 'useForIngest' and 'ingestMessages' attributes
// if we're not exporting the list.
if (!isExport) {
@ -123,7 +123,7 @@ public final class XmlKeywordSearchList extends KeywordSearchList {
for (Keyword keyword : keywords) {
Element keywordEl = doc.createElement(KEYWORD_EL);
String literal = keyword.isLiteral()?"true":"false"; //NON-NLS
String literal = keyword.isLiteral() ? "true" : "false"; //NON-NLS
keywordEl.setAttribute(KEYWORD_LITERAL_ATTR, literal);
BlackboardAttribute.ATTRIBUTE_TYPE selectorType = keyword.getType();
if (selectorType != null) {
@ -165,25 +165,23 @@ public final class XmlKeywordSearchList extends KeywordSearchList {
final String name = listEl.getAttribute(LIST_NAME_ATTR);
final String created = listEl.getAttribute(LIST_CREATE_ATTR);
final String modified = listEl.getAttribute(LIST_MOD_ATTR);
//set these bools to true by default, if they don't exist in XML
Boolean useForIngestBool;
Boolean ingestMessagesBool;
if (listEl.hasAttribute(LIST_USE_FOR_INGEST) ) {
Boolean ingestMessagesBool;
if (listEl.hasAttribute(LIST_USE_FOR_INGEST)) {
useForIngestBool = Boolean.parseBoolean(listEl.getAttribute(LIST_USE_FOR_INGEST));
}
else {
} else {
useForIngestBool = true;
}
if (listEl.hasAttribute(LIST_INGEST_MSGS)) {
ingestMessagesBool = Boolean.parseBoolean(listEl.getAttribute(LIST_INGEST_MSGS));
}
else {
} else {
ingestMessagesBool = true;
}
Date createdDate = dateFormatter.parse(created);
Date modDate = dateFormatter.parse(modified);
@ -199,12 +197,12 @@ public final class XmlKeywordSearchList extends KeywordSearchList {
boolean isLiteral = literal.equals("true"); //NON-NLS
Keyword keyword = new Keyword(wordEl.getTextContent(), isLiteral);
String selector = wordEl.getAttribute(KEYWORD_SELECTOR_ATTR);
if (! selector.equals("")) {
if (!selector.equals("")) {
BlackboardAttribute.ATTRIBUTE_TYPE selectorType = BlackboardAttribute.ATTRIBUTE_TYPE.fromLabel(selector);
keyword.setType(selectorType);
}
words.add(keyword);
}
theLists.put(name, list);
}