suppress unused warnings for serialVersionUid

commons/src/main/java/org/archive/spring/Sheet.java

@@ -48,6 +48,7 @@
  *
  */
 public class Sheet implements BeanFactoryAware, BeanNameAware {
+    @SuppressWarnings("unused")
     private static final long serialVersionUID = 9129011082185864377L;
 
     /**

engine/src/main/java/org/archive/crawler/framework/Engine.java

@@ -43,6 +43,7 @@
  * @contributor gojomo
  */
 public class Engine {
+    @SuppressWarnings("unused")
     private static final long serialVersionUID = 4L;
 
     final public static String LOGS_DIR_NAME = "logs subdirectory";

engine/src/main/java/org/archive/crawler/frontier/AbstractFrontier.java

@@ -89,6 +89,7 @@ public abstract class AbstractFrontier
                ExtractorParameters,
                CrawlUriReceiver,
                ApplicationListener<ApplicationEvent> {
+    @SuppressWarnings("unused")
     private static final long serialVersionUID = 555881755284996860L;
     private static final Logger logger = Logger
             .getLogger(AbstractFrontier.class.getName());

engine/src/main/java/org/archive/crawler/frontier/BdbFrontier.java

@@ -60,6 +60,7 @@
  */
 public class BdbFrontier extends WorkQueueFrontier 
 implements Checkpointable, BeanNameAware {
+    @SuppressWarnings("unused")
     private static final long serialVersionUID = 1L;
 
     private static final Logger logger =

engine/src/main/java/org/archive/crawler/frontier/BdbMultipleWorkQueues.java

@@ -59,7 +59,8 @@
  * @author gojomo
  */
 public class BdbMultipleWorkQueues {
-	private static final long serialVersionUID = 1L;
+	@SuppressWarnings("unused")
+    private static final long serialVersionUID = 1L;
 
     private static final Logger LOGGER =
         Logger.getLogger(BdbMultipleWorkQueues.class.getName());

engine/src/main/java/org/archive/crawler/frontier/WorkQueueFrontier.java

@@ -83,6 +83,7 @@
 public abstract class WorkQueueFrontier extends AbstractFrontier
 implements Closeable, 
            ApplicationContextAware {
+    @SuppressWarnings("unused")
     private static final long serialVersionUID = 570384305871965843L;
 
     /**

engine/src/main/java/org/archive/crawler/postprocessor/CandidatesProcessor.java

@@ -47,6 +47,7 @@
  */
 public class CandidatesProcessor extends Processor {
 
+    @SuppressWarnings("unused")
     private static final long serialVersionUID = -3L;
 
     /**

engine/src/main/java/org/archive/crawler/postprocessor/DispositionProcessor.java

@@ -54,6 +54,7 @@
  * @version $Date$, $Revision$
  */
 public class DispositionProcessor extends Processor {
+    @SuppressWarnings("unused")
     private static final long serialVersionUID = -1072728147960180091L;
     private static final Logger logger =
         Logger.getLogger(DispositionProcessor.class.getName());

engine/src/main/java/org/archive/crawler/postprocessor/LinksScoper.java

@@ -54,6 +54,7 @@
  */
 public class LinksScoper extends Scoper {
 
+    @SuppressWarnings("unused")
     private static final long serialVersionUID = -3L;
 
     private static Logger LOGGER =

engine/src/main/java/org/archive/crawler/postprocessor/LowDiskPauseProcessor.java

@@ -45,6 +45,7 @@
 @Deprecated
 public class LowDiskPauseProcessor extends Processor {
 
+    @SuppressWarnings("unused")
     private static final long serialVersionUID = 3L;
 
     /**

engine/src/main/java/org/archive/crawler/postprocessor/SupplementaryLinksScoper.java

@@ -43,6 +43,7 @@
  */
 public class SupplementaryLinksScoper extends Scoper {
 
+    @SuppressWarnings("unused")
     private static final long serialVersionUID = -3L;
 
     private static Logger LOGGER =

engine/src/main/java/org/archive/crawler/prefetch/CandidateScoper.java

@@ -32,6 +32,7 @@
  * @contributor gojomo
  */
 public class CandidateScoper extends Scoper {
+    @SuppressWarnings("unused")
     private static final long serialVersionUID = 1L;
 
     @Override

engine/src/main/java/org/archive/crawler/prefetch/FrontierPreparer.java

@@ -48,6 +48,7 @@
  * @contributor gojomo
  */
 public class FrontierPreparer extends Scoper {
+    @SuppressWarnings("unused")
     private static final long serialVersionUID = 1L;
 
     /**

engine/src/main/java/org/archive/crawler/prefetch/PreconditionEnforcer.java

@@ -51,6 +51,7 @@
  * @author gojomo
  */
 public class PreconditionEnforcer extends Processor  {
+    @SuppressWarnings("unused")
     private static final long serialVersionUID = 3L;
     private static final Logger logger =
         Logger.getLogger(PreconditionEnforcer.class.getName());

engine/src/main/java/org/archive/crawler/prefetch/Preselector.java

@@ -40,6 +40,7 @@
  *
  */
 public class Preselector extends Scoper {
+    @SuppressWarnings("unused")
     private static final long serialVersionUID = 3L;
 
     /**

engine/src/main/java/org/archive/crawler/prefetch/QuotaEnforcer.java

@@ -42,6 +42,7 @@
  * @version $Date$, $Revision$
  */
 public class QuotaEnforcer extends Processor {
+    @SuppressWarnings("unused")
     private static final long serialVersionUID = 3L;
 
     private static final Logger LOGGER =

engine/src/main/java/org/archive/crawler/prefetch/RuntimeLimitEnforcer.java

@@ -62,6 +62,7 @@
  */
 public class RuntimeLimitEnforcer extends Processor {
 
+    @SuppressWarnings("unused")
     private static final long serialVersionUID = 3L;
 
     protected static Logger logger = Logger.getLogger(

engine/src/main/java/org/archive/crawler/processor/HashCrawlMapper.java

@@ -37,6 +37,7 @@
  */
 public class HashCrawlMapper extends CrawlMapper {
 
+    @SuppressWarnings("unused")
     private static final long serialVersionUID = 2L;
 
     protected Frontier frontier;

engine/src/main/java/org/archive/crawler/processor/LexicalCrawlMapper.java

@@ -78,6 +78,7 @@
  * @version $Date$, $Revision$
  */
 public class LexicalCrawlMapper extends CrawlMapper {
+    @SuppressWarnings("unused")
     private static final long serialVersionUID = 2L;
 
     /**

engine/src/main/java/org/archive/crawler/reporting/CrawlerLoggerModule.java

@@ -62,6 +62,7 @@ public class CrawlerLoggerModule
     implements 
         UriErrorLoggerModule, Lifecycle, InitializingBean,
         Checkpointable, SimpleFileLoggerProvider, DisposableBean {
+    @SuppressWarnings("unused")
     private static final long serialVersionUID = 1L;
 
     protected ConfigPath path = new ConfigPath(Engine.LOGS_DIR_NAME,"${launchId}/logs"); 

engine/src/main/java/org/archive/crawler/reporting/StatisticsTracker.java

@@ -138,6 +138,7 @@ public class StatisticsTracker
         Runnable, 
         Checkpointable,
         BeanNameAware {
+    @SuppressWarnings("unused")
     private static final long serialVersionUID = 5L;
 
     protected SeedModule seeds;

engine/src/test/java/org/archive/crawler/selftest/KeyWordProcessor.java

@@ -57,6 +57,7 @@
  * @author pjack
  */
 public class KeyWordProcessor extends Processor {
+    @SuppressWarnings("unused")
     private static final long serialVersionUID = 1L;
     /**
      * Regular expression used to detect the presence of a keyword.

modules/src/main/java/org/archive/modules/ScriptedProcessor.java

@@ -59,6 +59,7 @@
 public class ScriptedProcessor extends Processor 
 implements ApplicationContextAware, InitializingBean {
 
+    @SuppressWarnings("unused")
     private static final long serialVersionUID = 3L;
 
     private static final Logger logger =

modules/src/main/java/org/archive/modules/extractor/AggressiveExtractorHTML.java

@@ -32,6 +32,7 @@
  */
 public class AggressiveExtractorHTML
 extends ExtractorHTML {
+    @SuppressWarnings("unused")
     private static final long serialVersionUID = 3L;
 
     protected static Logger logger =

modules/src/main/java/org/archive/modules/extractor/ExtractorCSS.java

@@ -57,6 +57,7 @@
 public class ExtractorCSS extends ContentExtractor {
 
 
+    @SuppressWarnings("unused")
     private static final long serialVersionUID = 2L;
 
     private static Logger logger =

modules/src/main/java/org/archive/modules/extractor/ExtractorDOC.java

@@ -42,6 +42,7 @@
  */
 public class ExtractorDOC extends ContentExtractor {
 
+    @SuppressWarnings("unused")
     private static final long serialVersionUID = 3L;
 
     private static Pattern PATTERN = Pattern.compile("HYPERLINK.*?\"(.*?)\"");

modules/src/main/java/org/archive/modules/extractor/ExtractorHTML.java

@@ -61,6 +61,7 @@
  */
 public class ExtractorHTML extends ContentExtractor implements InitializingBean {
 
+    @SuppressWarnings("unused")
     private static final long serialVersionUID = 2L;
 
     private static Logger logger =

modules/src/main/java/org/archive/modules/extractor/ExtractorHTTP.java

@@ -34,6 +34,7 @@
  */
 public class ExtractorHTTP extends Extractor {
 
+    @SuppressWarnings("unused")
     private static final long serialVersionUID = 3L;
 
     public ExtractorHTTP() {

modules/src/main/java/org/archive/modules/extractor/ExtractorImpliedURI.java

@@ -51,6 +51,7 @@
 
 public class ExtractorImpliedURI extends Extractor {
 
+    @SuppressWarnings("unused")
     private static final long serialVersionUID = 3L;
 
     private static Logger LOGGER =

modules/src/main/java/org/archive/modules/extractor/ExtractorJS.java

@@ -56,6 +56,7 @@
  */
 public class ExtractorJS extends ContentExtractor {
 
+    @SuppressWarnings("unused")
     private static final long serialVersionUID = 2L;
 
     private static Logger LOGGER =

modules/src/main/java/org/archive/modules/extractor/ExtractorPDF.java

@@ -38,6 +38,7 @@
  */
 public class ExtractorPDF extends ContentExtractor {
 
+    @SuppressWarnings("unused")
     private static final long serialVersionUID = 3L;
 
     private static final Logger LOGGER =

modules/src/main/java/org/archive/modules/extractor/ExtractorSWF.java

@@ -46,6 +46,7 @@
  */
 public class ExtractorSWF extends ContentExtractor {
 
+    @SuppressWarnings("unused")
     private static final long serialVersionUID = 3L;
 
     private static Logger logger =

modules/src/main/java/org/archive/modules/extractor/ExtractorURI.java

@@ -48,6 +48,7 @@
 
 public class ExtractorURI extends Extractor {
 
+    @SuppressWarnings("unused")
     private static final long serialVersionUID = 3L;
 
     private static Logger LOGGER =

modules/src/main/java/org/archive/modules/extractor/ExtractorUniversal.java

@@ -49,6 +49,7 @@
  */
 public class ExtractorUniversal extends ContentExtractor {
 
+    @SuppressWarnings("unused")
     private static final long serialVersionUID = 3L;
 
     /**

modules/src/main/java/org/archive/modules/extractor/ExtractorXML.java

@@ -49,6 +49,7 @@
  */
 public class ExtractorXML extends ContentExtractor {
 
+    @SuppressWarnings("unused")
     private static final long serialVersionUID = 3L;
 
     private static Logger logger =

modules/src/main/java/org/archive/modules/extractor/HTTPContentDigest.java

@@ -65,6 +65,7 @@
  */
 public class HTTPContentDigest extends Processor {
 
+    @SuppressWarnings("unused")
     private static final long serialVersionUID = 3L;
 
     private static Logger logger =

modules/src/main/java/org/archive/modules/extractor/JerichoExtractorHTML.java

@@ -76,6 +76,7 @@
 @SuppressWarnings("unchecked")
 public class JerichoExtractorHTML extends ExtractorHTML {
 
+    @SuppressWarnings("unused")
     private static final long serialVersionUID = 1684681316546343615L;
 
     final private static Logger logger = 

modules/src/main/java/org/archive/modules/extractor/TrapSuppressExtractor.java

@@ -28,6 +28,7 @@
  *
  */
 public class TrapSuppressExtractor extends ContentExtractor  {
+    @SuppressWarnings("unused")
     private static final long serialVersionUID = -1028783453022579530L;
 
     /** ALIst attribute key for carrying-forward content-digest from 'via'*/

modules/src/main/java/org/archive/modules/fetcher/BdbCookieStorage.java

@@ -43,6 +43,7 @@
  * @author pjack
  */
 public class BdbCookieStorage extends AbstractCookieStorage implements Checkpointable {
+    @SuppressWarnings("unused")
     private static final long serialVersionUID = 1L;
 
     protected BdbModule bdb;

modules/src/main/java/org/archive/modules/fetcher/FetchDNS.java

@@ -61,6 +61,7 @@
  */
 public class FetchDNS extends Processor {
 
+    @SuppressWarnings("unused")
     private static final long serialVersionUID = 3L;
 
     private static Logger logger = Logger.getLogger(FetchDNS.class.getName());

modules/src/main/java/org/archive/modules/fetcher/FetchFTP.java

@@ -62,6 +62,7 @@
  *
  */
 public class FetchFTP extends Processor  {
+    @SuppressWarnings("unused")
     private static final long serialVersionUID = 1L;
 
     /** Logger for this class. */

modules/src/main/java/org/archive/modules/fetcher/FetchHTTP.java

@@ -121,6 +121,7 @@
  * @version $Id$
  */
 public class FetchHTTP extends Processor implements Lifecycle {
+    @SuppressWarnings("unused")
     private static final long serialVersionUID = 1L;
     private static Logger logger = Logger.getLogger(FetchHTTP.class.getName());
 

modules/src/main/java/org/archive/modules/fetcher/FetchWhois.java

@@ -122,6 +122,7 @@
 public class FetchWhois extends Processor implements CoreAttributeConstants,
         FetchStatusCodes, Lifecycle {
 
+    @SuppressWarnings("unused")
     private static final long serialVersionUID = 1L;
 
     private static Logger logger = Logger.getLogger(FetchWhois.class.getName());

modules/src/main/java/org/archive/modules/fetcher/SimpleCookieStorage.java

@@ -26,6 +26,7 @@
 
 public class SimpleCookieStorage extends AbstractCookieStorage {
 
+    @SuppressWarnings("unused")
     private static final long serialVersionUID = 1L;
 
     final private SortedMap<String,Cookie> map = new TreeMap<String,Cookie>();

modules/src/main/java/org/archive/modules/recrawl/FetchHistoryProcessor.java

@@ -36,6 +36,7 @@
  * @version $Date: 2006-09-25 20:19:54 +0000 (Mon, 25 Sep 2006) $, $Revision: 4654 $
  */
 public class FetchHistoryProcessor extends Processor {
+    @SuppressWarnings("unused")
     private static final long serialVersionUID = 1L;
 
     /** Desired history array length. */

modules/src/main/java/org/archive/modules/recrawl/PersistLoadProcessor.java

@@ -39,6 +39,7 @@
  * @version $Date: 2006-09-25 20:19:54 +0000 (Mon, 25 Sep 2006) $, $Revision: 4654 $
  */
 public class PersistLoadProcessor extends PersistOnlineProcessor {
+    @SuppressWarnings("unused")
     private static final long serialVersionUID = -1917169316015093131L;
     private static final Logger logger =
         Logger.getLogger(PersistLoadProcessor.class.getName());

modules/src/main/java/org/archive/modules/recrawl/PersistLogProcessor.java

@@ -43,6 +43,7 @@
 public class PersistLogProcessor extends PersistProcessor 
 implements Checkpointable, Lifecycle {
 
+    @SuppressWarnings("unused")
     private static final long serialVersionUID = 1678691994065439346L;
 
     protected CrawlerJournal log;

modules/src/main/java/org/archive/modules/recrawl/PersistOnlineProcessor.java

@@ -40,6 +40,7 @@
 public abstract class PersistOnlineProcessor extends PersistProcessor 
 implements Lifecycle {
 
+    @SuppressWarnings("unused")
     private static final long serialVersionUID = -666479480942267268L;
 
     protected BdbModule bdb;

modules/src/main/java/org/archive/modules/recrawl/PersistProcessor.java

@@ -64,6 +64,7 @@
  */
 public abstract class PersistProcessor extends AbstractPersistProcessor {
 
+    @SuppressWarnings("unused")
     private static final long serialVersionUID = 1L;
 
     private static final Logger logger =