Coverage Report

Coverage Report - org.owasp.dependencycheck.Engine

Classes in this File

Line Coverage

Branch Coverage

Complexity

Engine

62%

87/140

71%

46/64

3.412

 /*
  * This file is part of dependency-check-core.
  *
  * Dependency-check-core is free software: you can redistribute it and/or modify it
  * under the terms of the GNU General Public License as published by the Free
  * Software Foundation, either version 3 of the License, or (at your option) any
  * later version.
  *
  * Dependency-check-core is distributed in the hope that it will be useful, but
  * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
  * details.
  *
  * You should have received a copy of the GNU General Public License along with
  * dependency-check-core. If not, see http://www.gnu.org/licenses/.
  *
  * Copyright (c) 2012 Jeremy Long. All Rights Reserved.
  */
 package org.owasp.dependencycheck;
 
 import java.util.EnumMap;
 import java.io.File;
 import java.util.ArrayList;
 import java.util.HashSet;
 import java.util.Iterator;
 import java.util.List;
 import java.util.Set;
 import java.util.logging.Level;
 import java.util.logging.Logger;
 import org.owasp.dependencycheck.analyzer.AnalysisException;
 import org.owasp.dependencycheck.analyzer.AnalysisPhase;
 import org.owasp.dependencycheck.analyzer.Analyzer;
 import org.owasp.dependencycheck.analyzer.AnalyzerService;
 import org.owasp.dependencycheck.data.CachedWebDataSource;
 import org.owasp.dependencycheck.data.UpdateException;
 import org.owasp.dependencycheck.data.UpdateService;
 import org.owasp.dependencycheck.dependency.Dependency;
 import org.owasp.dependencycheck.utils.FileUtils;
 import org.owasp.dependencycheck.utils.InvalidSettingException;
 import org.owasp.dependencycheck.utils.Settings;
 
 /**
  * Scans files, directories, etc. for Dependencies. Analyzers are loaded and
  * used to process the files found by the scan, if a file is encountered and an
  * Analyzer is associated with the file type then the file is turned into a
  * dependency.
  *
  * @author Jeremy Long (jeremy.long@owasp.org)
  */
 public class Engine {
 
     /**
      * The list of dependencies.
      */
     private final List<Dependency> dependencies = new ArrayList<Dependency>();
     /**
      * A Map of analyzers grouped by Analysis phase.
      */
     private final EnumMap<AnalysisPhase, List<Analyzer>> analyzers =
             new EnumMap<AnalysisPhase, List<Analyzer>>(AnalysisPhase.class);
     /**
      * A set of extensions supported by the analyzers.
      */
     private final Set<String> extensions = new HashSet<String>();
 
     /**
      * Creates a new Engine.
      */
     public Engine() {
         boolean autoUpdate = true;
         try {
             autoUpdate = Settings.getBoolean(Settings.KEYS.AUTO_UPDATE);
         } catch (InvalidSettingException ex) {
             Logger.getLogger(Engine.class.getName()).log(Level.FINE, "Invalid setting for auto-update; using true.");
         }
         if (autoUpdate) {
             doUpdates();
         }
         loadAnalyzers();
     }
 
     /**
      * Creates a new Engine.
      *
      * @param autoUpdate indicates whether or not data should be updated from
      * the Internet
      * @deprecated This function should no longer be used; the autoupdate flag
      * should be set using:
      * <code>Settings.setBoolean(Settings.KEYS.AUTO_UPDATE, value);</code>
      */
     @Deprecated
     public Engine(boolean autoUpdate) {
         if (autoUpdate) {
             doUpdates();
         }
         loadAnalyzers();
     }
 
     /**
      * Loads the analyzers specified in the configuration file (or system
      * properties).
      */
     private void loadAnalyzers() {
 
         for (AnalysisPhase phase : AnalysisPhase.values()) {
             analyzers.put(phase, new ArrayList<Analyzer>());
         }
 
         final AnalyzerService service = AnalyzerService.getInstance();
         final Iterator<Analyzer> iterator = service.getAnalyzers();
         while (iterator.hasNext()) {
             final Analyzer a = iterator.next();
             analyzers.get(a.getAnalysisPhase()).add(a);
             if (a.getSupportedExtensions() != null) {
                 extensions.addAll(a.getSupportedExtensions());
             }
         }
     }
 
     /**
      * Get the List of the analyzers for a specific phase of analysis.
      *
      * @param phase the phase to get the configured analyzers.
      * @return the analyzers loaded
      */
     public List<Analyzer> getAnalyzers(AnalysisPhase phase) {
         return analyzers.get(phase);
     }
 
     /**
      * Get the dependencies identified.
      *
      * @return the dependencies identified
      */
     public List<Dependency> getDependencies() {
         return dependencies;
     }
 
     /**
      * Scans an array of files or directories. If a directory is specified, it
      * will be scanned recursively. Any dependencies identified are added to the
      * dependency collection.
      *
      * @since v0.3.2.5
      *
      * @param paths an array of paths to files or directories to be analyzed.
      */
     public void scan(String[] paths) {
         for (String path : paths) {
             final File file = new File(path);
             scan(file);
         }
     }
 
     /**
      * Scans a given file or directory. If a directory is specified, it will be
      * scanned recursively. Any dependencies identified are added to the
      * dependency collection.
      *
      * @param path the path to a file or directory to be analyzed.
      */
     public void scan(String path) {
         final File file = new File(path);
         scan(file);
     }
 
     /**
      * Scans an array of files or directories. If a directory is specified, it
      * will be scanned recursively. Any dependencies identified are added to the
      * dependency collection.
      *
      * @since v0.3.2.5
      *
      * @param files an array of paths to files or directories to be analyzed.
      */
     public void scan(File[] files) {
         for (File file : files) {
             scan(file);
         }
     }
 
     /**
      * Scans a list of files or directories. If a directory is specified, it
      * will be scanned recursively. Any dependencies identified are added to the
      * dependency collection.
      *
      * @since v0.3.2.5
      *
      * @param files a set of paths to files or directories to be analyzed.
      */
     public void scan(Set<File> files) {
         for (File file : files) {
             scan(file);
         }
     }
 
     /**
      * Scans a list of files or directories. If a directory is specified, it
      * will be scanned recursively. Any dependencies identified are added to the
      * dependency collection.
      *
      * @since v0.3.2.5
      *
      * @param files a set of paths to files or directories to be analyzed.
      */
     public void scan(List<File> files) {
         for (File file : files) {
             scan(file);
         }
     }
 
     /**
      * Scans a given file or directory. If a directory is specified, it will be
      * scanned recursively. Any dependencies identified are added to the
      * dependency collection.
      *
      * @since v0.3.2.4
      *
      * @param file the path to a file or directory to be analyzed.
      */
     public void scan(File file) {
         if (file.exists()) {
             if (file.isDirectory()) {
                 scanDirectory(file);
             } else {
                 scanFile(file);
             }
         }
     }
 
     /**
      * Recursively scans files and directories. Any dependencies identified are
      * added to the dependency collection.
      *
      * @param dir the directory to scan.
      */
     protected void scanDirectory(File dir) {
         final File[] files = dir.listFiles();
         if (files != null) {
             for (File f : files) {
                 if (f.isDirectory()) {
                     scanDirectory(f);
                 } else {
                     scanFile(f);
                 }
             }
         }
     }
 
     /**
      * Scans a specified file. If a dependency is identified it is added to the
      * dependency collection.
      *
      * @param file The file to scan.
      */
     protected void scanFile(File file) {
         if (!file.isFile()) {
             final String msg = String.format("Path passed to scanFile(File) is not a file: %s. Skipping the file.", file.toString());
             Logger.getLogger(Engine.class.getName()).log(Level.FINE, msg);
             return;
         }
         final String fileName = file.getName();
         final String extension = FileUtils.getFileExtension(fileName);
         if (extension != null) {
             if (extensions.contains(extension)) {
                 final Dependency dependency = new Dependency(file);
                 dependencies.add(dependency);
             }
         } else {
             final String msg = String.format("No file extension found on file '%s'. The file was not analyzed.",
                     file.toString());
             Logger.getLogger(Engine.class.getName()).log(Level.FINEST, msg);
         }
     }
 
     /**
      * Runs the analyzers against all of the dependencies.
      */
     public void analyzeDependencies() {
         //phase one initialize
         for (AnalysisPhase phase : AnalysisPhase.values()) {
             final List<Analyzer> analyzerList = analyzers.get(phase);
             for (Analyzer a : analyzerList) {
                 try {
                     final String msg = String.format("Initializing %s", a.getName());
                     Logger.getLogger(Engine.class.getName()).log(Level.FINE, msg);
                     a.initialize();
                 } catch (Exception ex) {
                     final String msg = String.format("Exception occurred initializing %s.", a.getName());
                     Logger.getLogger(Engine.class.getName()).log(Level.SEVERE, msg);
                     Logger.getLogger(Engine.class.getName()).log(Level.INFO, null, ex);
                     try {
                         a.close();
                     } catch (Exception ex1) {
                         Logger.getLogger(Engine.class.getName()).log(Level.FINEST, null, ex1);
                     }
                 }
             }
         }
 
         // analysis phases
         for (AnalysisPhase phase : AnalysisPhase.values()) {
             final List<Analyzer> analyzerList = analyzers.get(phase);
 
             for (Analyzer a : analyzerList) {
                 /* need to create a copy of the collection because some of the
                  * analyzers may modify it. This prevents ConcurrentModificationExceptions.
                  * This is okay for adds/deletes because it happens per analyzer.
                  */
                 final String msg = String.format("Begin Analyzer '%s'", a.getName());
                 Logger.getLogger(Engine.class.getName()).log(Level.FINE, msg);
                 final Set<Dependency> dependencySet = new HashSet<Dependency>();
                 dependencySet.addAll(dependencies);
                 for (Dependency d : dependencySet) {
                     final String msgFile = String.format("Begin Analysis of '%s'", d.getActualFilePath());
                     Logger.getLogger(Engine.class.getName()).log(Level.FINE, msgFile);
                     if (a.supportsExtension(d.getFileExtension())) {
                         try {
                             a.analyze(d, this);
                         } catch (AnalysisException ex) {
                             d.addAnalysisException(ex);
                         }
                     }
                 }
             }
         }
 
         //close/cleanup
         for (AnalysisPhase phase : AnalysisPhase.values()) {
             final List<Analyzer> analyzerList = analyzers.get(phase);
             for (Analyzer a : analyzerList) {
                 final String msg = String.format("Closing Analyzer '%s'", a.getName());
                 Logger.getLogger(Engine.class.getName()).log(Level.FINE, msg);
                 try {
                     a.close();
                 } catch (Exception ex) {
                     Logger.getLogger(Engine.class.getName()).log(Level.FINEST, null, ex);
                 }
             }
         }
     }
 
     /**
      * Cycles through the cached web data sources and calls update on all of
      * them.
      */
     private void doUpdates() {
         final UpdateService service = UpdateService.getInstance();
         final Iterator<CachedWebDataSource> iterator = service.getDataSources();
         while (iterator.hasNext()) {
             final CachedWebDataSource source = iterator.next();
             try {
                 source.update();
             } catch (UpdateException ex) {
                 Logger.getLogger(Engine.class.getName()).log(Level.WARNING,
                         "Unable to update Cached Web DataSource, using local data instead. Results may not include recent vulnerabilities.");
                 Logger.getLogger(Engine.class.getName()).log(Level.FINE,
                         String.format("Unable to update details for %s", source.getClass().getName()), ex);
             }
         }
     }
 
     /**
      * Returns a full list of all of the analyzers. This is useful for reporting
      * which analyzers where used.
      *
      * @return a list of Analyzers
      */
     public List<Analyzer> getAnalyzers() {
         final List<Analyzer> ret = new ArrayList<Analyzer>();
         for (AnalysisPhase phase : AnalysisPhase.values()) {
             final List<Analyzer> analyzerList = analyzers.get(phase);
             ret.addAll(analyzerList);
         }
         return ret;
     }
 
     /**
      * Checks all analyzers to see if an extension is supported.
      *
      * @param ext a file extension
      * @return true or false depending on whether or not the file extension is
      * supported
      */
     public boolean supportsExtension(String ext) {
         if (ext == null) {
             return false;
         }
         for (AnalysisPhase phase : AnalysisPhase.values()) {
             final List<Analyzer> analyzerList = analyzers.get(phase);
             for (Analyzer a : analyzerList) {
                 if (a.getSupportedExtensions() != null && a.supportsExtension(ext)) {
                     return true;
                 }
             }
         }
         return false;
     }
 }

1		/*
2		* This file is part of dependency-check-core.
3		*
4		* Dependency-check-core is free software: you can redistribute it and/or modify it
5		* under the terms of the GNU General Public License as published by the Free
6		* Software Foundation, either version 3 of the License, or (at your option) any
7		* later version.
8		*
9		* Dependency-check-core is distributed in the hope that it will be useful, but
10		* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11		* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
12		* details.
13		*
14		* You should have received a copy of the GNU General Public License along with
15		* dependency-check-core. If not, see http://www.gnu.org/licenses/.
16		*
17		* Copyright (c) 2012 Jeremy Long. All Rights Reserved.
18		*/
19		package org.owasp.dependencycheck;
20
21		import java.util.EnumMap;
22		import java.io.File;
23		import java.util.ArrayList;
24		import java.util.HashSet;
25		import java.util.Iterator;
26		import java.util.List;
27		import java.util.Set;
28		import java.util.logging.Level;
29		import java.util.logging.Logger;
30		import org.owasp.dependencycheck.analyzer.AnalysisException;
31		import org.owasp.dependencycheck.analyzer.AnalysisPhase;
32		import org.owasp.dependencycheck.analyzer.Analyzer;
33		import org.owasp.dependencycheck.analyzer.AnalyzerService;
34		import org.owasp.dependencycheck.data.CachedWebDataSource;
35		import org.owasp.dependencycheck.data.UpdateException;
36		import org.owasp.dependencycheck.data.UpdateService;
37		import org.owasp.dependencycheck.dependency.Dependency;
38		import org.owasp.dependencycheck.utils.FileUtils;
39		import org.owasp.dependencycheck.utils.InvalidSettingException;
40		import org.owasp.dependencycheck.utils.Settings;
41
42		/**
43		* Scans files, directories, etc. for Dependencies. Analyzers are loaded and
44		* used to process the files found by the scan, if a file is encountered and an
45		* Analyzer is associated with the file type then the file is turned into a
46		* dependency.
47		*
48		* @author Jeremy Long (jeremy.long@owasp.org)
49		*/
50		public class Engine {
51
52		/**
53		* The list of dependencies.
54		*/
55	3	private final List<Dependency> dependencies = new ArrayList<Dependency>();
56		/**
57		* A Map of analyzers grouped by Analysis phase.
58		*/
59	3	private final EnumMap<AnalysisPhase, List<Analyzer>> analyzers =
60		new EnumMap<AnalysisPhase, List<Analyzer>>(AnalysisPhase.class);
61		/**
62		* A set of extensions supported by the analyzers.
63		*/
64	3	private final Set<String> extensions = new HashSet<String>();
65
66		/**
67		* Creates a new Engine.
68		*/
69	3	public Engine() {
70	3	boolean autoUpdate = true;
71		try {
72	3	autoUpdate = Settings.getBoolean(Settings.KEYS.AUTO_UPDATE);
73	0	} catch (InvalidSettingException ex) {
74	0	Logger.getLogger(Engine.class.getName()).log(Level.FINE, "Invalid setting for auto-update; using true.");
75	3	}
76	3	if (autoUpdate) {
77	0	doUpdates();
78		}
79	3	loadAnalyzers();
80	3	}
81
82		/**
83		* Creates a new Engine.
84		*
85		* @param autoUpdate indicates whether or not data should be updated from
86		* the Internet
87		* @deprecated This function should no longer be used; the autoupdate flag
88		* should be set using:
89		* <code>Settings.setBoolean(Settings.KEYS.AUTO_UPDATE, value);</code>
90		*/
91		@Deprecated
92	0	public Engine(boolean autoUpdate) {
93	0	if (autoUpdate) {
94	0	doUpdates();
95		}
96	0	loadAnalyzers();
97	0	}
98
99		/**
100		* Loads the analyzers specified in the configuration file (or system
101		* properties).
102		*/
103		private void loadAnalyzers() {
104
105	30	for (AnalysisPhase phase : AnalysisPhase.values()) {
106	27	analyzers.put(phase, new ArrayList<Analyzer>());
107		}
108
109	3	final AnalyzerService service = AnalyzerService.getInstance();
110	3	final Iterator<Analyzer> iterator = service.getAnalyzers();
111	27	while (iterator.hasNext()) {
112	24	final Analyzer a = iterator.next();
113	24	analyzers.get(a.getAnalysisPhase()).add(a);
114	24	if (a.getSupportedExtensions() != null) {
115	6	extensions.addAll(a.getSupportedExtensions());
116		}
117	24	}
118	3	}
119
120		/**
121		* Get the List of the analyzers for a specific phase of analysis.
122		*
123		* @param phase the phase to get the configured analyzers.
124		* @return the analyzers loaded
125		*/
126		public List<Analyzer> getAnalyzers(AnalysisPhase phase) {
127	0	return analyzers.get(phase);
128		}
129
130		/**
131		* Get the dependencies identified.
132		*
133		* @return the dependencies identified
134		*/
135		public List<Dependency> getDependencies() {
136	17	return dependencies;
137		}
138
139		/**
140		* Scans an array of files or directories. If a directory is specified, it
141		* will be scanned recursively. Any dependencies identified are added to the
142		* dependency collection.
143		*
144		* @since v0.3.2.5
145		*
146		* @param paths an array of paths to files or directories to be analyzed.
147		*/
148		public void scan(String[] paths) {
149	0	for (String path : paths) {
150	0	final File file = new File(path);
151	0	scan(file);
152		}
153	0	}
154
155		/**
156		* Scans a given file or directory. If a directory is specified, it will be
157		* scanned recursively. Any dependencies identified are added to the
158		* dependency collection.
159		*
160		* @param path the path to a file or directory to be analyzed.
161		*/
162		public void scan(String path) {
163	0	final File file = new File(path);
164	0	scan(file);
165	0	}
166
167		/**
168		* Scans an array of files or directories. If a directory is specified, it
169		* will be scanned recursively. Any dependencies identified are added to the
170		* dependency collection.
171		*
172		* @since v0.3.2.5
173		*
174		* @param files an array of paths to files or directories to be analyzed.
175		*/
176		public void scan(File[] files) {
177	0	for (File file : files) {
178	0	scan(file);
179		}
180	0	}
181
182		/**
183		* Scans a list of files or directories. If a directory is specified, it
184		* will be scanned recursively. Any dependencies identified are added to the
185		* dependency collection.
186		*
187		* @since v0.3.2.5
188		*
189		* @param files a set of paths to files or directories to be analyzed.
190		*/
191		public void scan(Set<File> files) {
192	0	for (File file : files) {
193	0	scan(file);
194		}
195	0	}
196
197		/**
198		* Scans a list of files or directories. If a directory is specified, it
199		* will be scanned recursively. Any dependencies identified are added to the
200		* dependency collection.
201		*
202		* @since v0.3.2.5
203		*
204		* @param files a set of paths to files or directories to be analyzed.
205		*/
206		public void scan(List<File> files) {
207	0	for (File file : files) {
208	0	scan(file);
209		}
210	0	}
211
212		/**
213		* Scans a given file or directory. If a directory is specified, it will be
214		* scanned recursively. Any dependencies identified are added to the
215		* dependency collection.
216		*
217		* @since v0.3.2.4
218		*
219		* @param file the path to a file or directory to be analyzed.
220		*/
221		public void scan(File file) {
222	6	if (file.exists()) {
223	6	if (file.isDirectory()) {
224	3	scanDirectory(file);
225		} else {
226	3	scanFile(file);
227		}
228		}
229	6	}
230
231		/**
232		* Recursively scans files and directories. Any dependencies identified are
233		* added to the dependency collection.
234		*
235		* @param dir the directory to scan.
236		*/
237		protected void scanDirectory(File dir) {
238	28	final File[] files = dir.listFiles();
239	28	if (files != null) {
240	58	for (File f : files) {
241	30	if (f.isDirectory()) {
242	25	scanDirectory(f);
243		} else {
244	5	scanFile(f);
245		}
246		}
247		}
248	28	}
249
250		/**
251		* Scans a specified file. If a dependency is identified it is added to the
252		* dependency collection.
253		*
254		* @param file The file to scan.
255		*/
256		protected void scanFile(File file) {
257	8	if (!file.isFile()) {
258	0	final String msg = String.format("Path passed to scanFile(File) is not a file: %s. Skipping the file.", file.toString());
259	0	Logger.getLogger(Engine.class.getName()).log(Level.FINE, msg);
260	0	return;
261		}
262	8	final String fileName = file.getName();
263	8	final String extension = FileUtils.getFileExtension(fileName);
264	8	if (extension != null) {
265	8	if (extensions.contains(extension)) {
266	8	final Dependency dependency = new Dependency(file);
267	8	dependencies.add(dependency);
268	8	}
269		} else {
270	0	final String msg = String.format("No file extension found on file '%s'. The file was not analyzed.",
271		file.toString());
272	0	Logger.getLogger(Engine.class.getName()).log(Level.FINEST, msg);
273		}
274	8	}
275
276		/**
277		* Runs the analyzers against all of the dependencies.
278		*/
279		public void analyzeDependencies() {
280		//phase one initialize
281	10	for (AnalysisPhase phase : AnalysisPhase.values()) {
282	9	final List<Analyzer> analyzerList = analyzers.get(phase);
283	9	for (Analyzer a : analyzerList) {
284		try {
285	8	final String msg = String.format("Initializing %s", a.getName());
286	8	Logger.getLogger(Engine.class.getName()).log(Level.FINE, msg);
287	8	a.initialize();
288	0	} catch (Exception ex) {
289	0	final String msg = String.format("Exception occurred initializing %s.", a.getName());
290	0	Logger.getLogger(Engine.class.getName()).log(Level.SEVERE, msg);
291	0	Logger.getLogger(Engine.class.getName()).log(Level.INFO, null, ex);
292		try {
293	0	a.close();
294	0	} catch (Exception ex1) {
295	0	Logger.getLogger(Engine.class.getName()).log(Level.FINEST, null, ex1);
296	0	}
297	16	}
298		}
299		}
300
301		// analysis phases
302	10	for (AnalysisPhase phase : AnalysisPhase.values()) {
303	9	final List<Analyzer> analyzerList = analyzers.get(phase);
304
305	9	for (Analyzer a : analyzerList) {
306		/* need to create a copy of the collection because some of the
307		* analyzers may modify it. This prevents ConcurrentModificationExceptions.
308		* This is okay for adds/deletes because it happens per analyzer.
309		*/
310	8	final String msg = String.format("Begin Analyzer '%s'", a.getName());
311	8	Logger.getLogger(Engine.class.getName()).log(Level.FINE, msg);
312	8	final Set<Dependency> dependencySet = new HashSet<Dependency>();
313	8	dependencySet.addAll(dependencies);
314	8	for (Dependency d : dependencySet) {
315	24	final String msgFile = String.format("Begin Analysis of '%s'", d.getActualFilePath());
316	24	Logger.getLogger(Engine.class.getName()).log(Level.FINE, msgFile);
317	24	if (a.supportsExtension(d.getFileExtension())) {
318		try {
319	21	a.analyze(d, this);
320	0	} catch (AnalysisException ex) {
321	0	d.addAnalysisException(ex);
322	21	}
323		}
324	24	}
325	8	}
326		}
327
328		//close/cleanup
329	10	for (AnalysisPhase phase : AnalysisPhase.values()) {
330	9	final List<Analyzer> analyzerList = analyzers.get(phase);
331	9	for (Analyzer a : analyzerList) {
332	8	final String msg = String.format("Closing Analyzer '%s'", a.getName());
333	8	Logger.getLogger(Engine.class.getName()).log(Level.FINE, msg);
334		try {
335	8	a.close();
336	0	} catch (Exception ex) {
337	0	Logger.getLogger(Engine.class.getName()).log(Level.FINEST, null, ex);
338	8	}
339	8	}
340		}
341	1	}
342
343		/**
344		* Cycles through the cached web data sources and calls update on all of
345		* them.
346		*/
347		private void doUpdates() {
348	0	final UpdateService service = UpdateService.getInstance();
349	0	final Iterator<CachedWebDataSource> iterator = service.getDataSources();
350	0	while (iterator.hasNext()) {
351	0	final CachedWebDataSource source = iterator.next();
352		try {
353	0	source.update();
354	0	} catch (UpdateException ex) {
355	0	Logger.getLogger(Engine.class.getName()).log(Level.WARNING,
356		"Unable to update Cached Web DataSource, using local data instead. Results may not include recent vulnerabilities.");
357	0	Logger.getLogger(Engine.class.getName()).log(Level.FINE,
358		String.format("Unable to update details for %s", source.getClass().getName()), ex);
359	0	}
360	0	}
361	0	}
362
363		/**
364		* Returns a full list of all of the analyzers. This is useful for reporting
365		* which analyzers where used.
366		*
367		* @return a list of Analyzers
368		*/
369		public List<Analyzer> getAnalyzers() {
370	1	final List<Analyzer> ret = new ArrayList<Analyzer>();
371	10	for (AnalysisPhase phase : AnalysisPhase.values()) {
372	9	final List<Analyzer> analyzerList = analyzers.get(phase);
373	9	ret.addAll(analyzerList);
374		}
375	1	return ret;
376		}
377
378		/**
379		* Checks all analyzers to see if an extension is supported.
380		*
381		* @param ext a file extension
382		* @return true or false depending on whether or not the file extension is
383		* supported
384		*/
385		public boolean supportsExtension(String ext) {
386	138	if (ext == null) {
387	8	return false;
388		}
389	1259	for (AnalysisPhase phase : AnalysisPhase.values()) {
390	1134	final List<Analyzer> analyzerList = analyzers.get(phase);
391	1134	for (Analyzer a : analyzerList) {
392	1009	if (a.getSupportedExtensions() != null && a.supportsExtension(ext)) {
393	5	return true;
394		}
395		}
396		}
397	125	return false;
398		}
399		}