* improved matching of episodes with episode number > 99

* refactoring

source/net/sourceforge/filebot/similarity/SeasonEpisodeMatcher.java

@@ -4,7 +4,10 @@ package net.sourceforge.filebot.similarity;
 
 import java.util.ArrayList;
 import java.util.Arrays;
+import java.util.Collection;
+import java.util.Collections;
 import java.util.List;
+import java.util.regex.MatchResult;
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 
@@ -24,7 +27,19 @@ public class SeasonEpisodeMatcher {
 		patterns[1] = new SeasonEpisodePattern("(?<!\\p{Alnum})(\\d{1,2})[x\\.](\\d{1,3})(?!\\p{Digit})");
 		
 		// match patterns like 01, 102, 1003 (enclosed in separators)
-		patterns[2] = new SeasonEpisodePattern("(?<=^|[\\._ ])([0-1]?\\d?)(\\d{2})(?=[\\._ ]|$)");
+		patterns[2] = new SeasonEpisodePattern("(?<=^|[\\._ ])([0-1]?\\d?)(\\d{2})(?=[\\._ ]|$)") {
+			
+			@Override
+			protected Collection<SxE> process(MatchResult match) {
+				// interpret match as season and episode
+				SxE seasonEpisode = new SxE(match.group(1), match.group(2));
+				
+				// interpret match as episode number only
+				SxE episodeOnly = new SxE(null, match.group(1) + match.group(2));
+				
+				return Arrays.asList(seasonEpisode, episodeOnly);
+			}
+		};
 	}
 	
 
@@ -49,9 +64,9 @@ public class SeasonEpisodeMatcher {
 	}
 	
 
-	public int find(CharSequence name) {
+	public int find(CharSequence name, int fromIndex) {
 		for (SeasonEpisodePattern pattern : patterns) {
-			int index = pattern.find(name);
+			int index = pattern.find(name, fromIndex);
 			
 			if (index >= 0) {
 				// current pattern did match
@@ -120,40 +135,35 @@ public class SeasonEpisodeMatcher {
 		
 		protected final Pattern pattern;
 		
-		protected final int seasonGroup;
-		protected final int episodeGroup;
-		
 
 		public SeasonEpisodePattern(String pattern) {
-			this(Pattern.compile(pattern), 1, 2);
+			this.pattern = Pattern.compile(pattern);
 		}
 		
 
-		public SeasonEpisodePattern(Pattern pattern, int seasonGroup, int episodeGroup) {
-			this.pattern = pattern;
-			this.seasonGroup = seasonGroup;
-			this.episodeGroup = episodeGroup;
+		protected Collection<SxE> process(MatchResult match) {
+			return Collections.singleton(new SxE(match.group(1), match.group(2)));
 		}
 		
 
 		public List<SxE> match(CharSequence name) {
-			// name will probably contain no more than one match, but may contain more
-			List<SxE> matches = new ArrayList<SxE>(1);
+			// name will probably contain no more than two matches
+			List<SxE> matches = new ArrayList<SxE>(2);
 			
 			Matcher matcher = pattern.matcher(name);
 			
 			while (matcher.find()) {
-				matches.add(new SxE(matcher.group(seasonGroup), matcher.group(episodeGroup)));
+				matches.addAll(process(matcher));
 			}
 			
 			return matches;
 		}
 		
 
-		public int find(CharSequence name) {
+		public int find(CharSequence name, int fromIndex) {
 			Matcher matcher = pattern.matcher(name);
 			
-			if (matcher.find())
+			if (matcher.find(fromIndex))
 				return matcher.start();
 			
 			return -1;

source/net/sourceforge/filebot/similarity/SeriesNameMatcher.java

@@ -152,7 +152,7 @@ public class SeriesNameMatcher {
 	 *         episode pattern, or null if there is no such pattern
 	 */
 	public String matchBySeasonEpisodePattern(String name) {
-		int seasonEpisodePosition = seasonEpisodeMatcher.find(name);
+		int seasonEpisodePosition = seasonEpisodeMatcher.find(name, 0);
 		
 		if (seasonEpisodePosition > 0) {
 			// series name ends at the first season episode pattern

source/net/sourceforge/filebot/ui/panel/rename/AutoFetchEpisodeListMatcher.java

@@ -11,9 +11,11 @@ import java.util.Collection;
 import java.util.Collections;
 import java.util.Comparator;
 import java.util.LinkedHashMap;
+import java.util.LinkedHashSet;
 import java.util.LinkedList;
 import java.util.List;
 import java.util.Map;
+import java.util.Set;
 import java.util.concurrent.Callable;
 import java.util.concurrent.ExecutorService;
 import java.util.concurrent.Executors;
@@ -39,10 +41,10 @@ import net.sourceforge.tuned.FileUtilities;
 
 class AutoFetchEpisodeListMatcher extends SwingWorker<List<Match<File, Episode>>, Void> {
 	
-	private final List<File> files;
-	
 	private final EpisodeListProvider provider;
 	
+	private final List<File> files;
+	
 	private final List<SimilarityMetric> metrics;
 	
 
@@ -124,20 +126,20 @@ class AutoFetchEpisodeListMatcher extends SwingWorker<List<Match<File, Episode>>
 	}
 	
 
-	protected List<Episode> fetchEpisodeList(Collection<String> seriesNames) throws Exception {
-		List<Callable<Collection<Episode>>> tasks = new ArrayList<Callable<Collection<Episode>>>();
+	protected Set<Episode> fetchEpisodeSet(Collection<String> seriesNames) throws Exception {
+		List<Callable<List<Episode>>> tasks = new ArrayList<Callable<List<Episode>>>();
 		
 		// detect series names and create episode list fetch tasks
-		for (final String seriesName : seriesNames) {
-			tasks.add(new Callable<Collection<Episode>>() {
+		for (final String query : seriesNames) {
+			tasks.add(new Callable<List<Episode>>() {
 				
 				@Override
-				public Collection<Episode> call() throws Exception {
-					List<SearchResult> results = provider.search(seriesName);
+				public List<Episode> call() throws Exception {
+					List<SearchResult> results = provider.search(query);
 					
 					// select search result
 					if (results.size() > 0) {
-						SearchResult selectedSearchResult = selectSearchResult(seriesName, results);
+						SearchResult selectedSearchResult = selectSearchResult(query, results);
 						
 						if (selectedSearchResult != null) {
 							return provider.getEpisodeList(selectedSearchResult);
@@ -150,17 +152,22 @@ class AutoFetchEpisodeListMatcher extends SwingWorker<List<Match<File, Episode>>
 		}
 		
 		// fetch episode lists concurrently
-		List<Episode> episodes = new ArrayList<Episode>();
 		ExecutorService executor = Executors.newCachedThreadPool();
 		
-		for (Future<Collection<Episode>> future : executor.invokeAll(tasks)) {
-			episodes.addAll(future.get());
+		try {
+			// merge all episodes
+			Set<Episode> episodes = new LinkedHashSet<Episode>();
+			
+			for (Future<List<Episode>> future : executor.invokeAll(tasks)) {
+				episodes.addAll(future.get());
+			}
+			
+			// all background workers have finished
+			return episodes;
+		} finally {
+			// destroy background threads
+			executor.shutdown();
 		}
-		
-		// destroy background threads
-		executor.shutdown();
-		
-		return episodes;
 	}
 	
 
@@ -171,7 +178,7 @@ class AutoFetchEpisodeListMatcher extends SwingWorker<List<Match<File, Episode>>
 		List<File> mediaFiles = FileUtilities.filter(files, VIDEO_FILES, SUBTITLE_FILES);
 		
 		// detect series name and fetch episode list
-		List<Episode> episodes = fetchEpisodeList(detectSeriesNames(mediaFiles));
+		Set<Episode> episodes = fetchEpisodeSet(detectSeriesNames(mediaFiles));
 		
 		List<Match<File, Episode>> matches = new ArrayList<Match<File, Episode>>();
 		
@@ -221,4 +228,5 @@ class AutoFetchEpisodeListMatcher extends SwingWorker<List<Match<File, Episode>>
 		
 		return map;
 	}
+	
 }

source/net/sourceforge/filebot/ui/panel/rename/EpisodeExpressionFormatter.java

@@ -49,8 +49,9 @@ class EpisodeExpressionFormatter implements MatchFormatter {
 		String result = format.format(new EpisodeFormatBindingBean(episode, mediaFile)).trim();
 		
 		// if result is empty, check for script exceptions
-		if (result.isEmpty() && format.caughtScriptException() != null)
+		if (result.isEmpty() && format.caughtScriptException() != null) {
 			throw format.caughtScriptException();
+		}
 		
 		return result;
 	}

source/net/sourceforge/filebot/ui/panel/rename/FileNameFormatter.java

@@ -12,7 +12,7 @@ class FileNameFormatter implements MatchFormatter {
 	
 	private final boolean preserveExtension;
 	
-	
+
 	public FileNameFormatter(boolean preserveExtension) {
 		this.preserveExtension = preserveExtension;
 	}
@@ -34,18 +34,16 @@ class FileNameFormatter implements MatchFormatter {
 	public String format(Match<?, ?> match) {
 		if (match.getValue() instanceof File) {
 			File file = (File) match.getValue();
-			
 			return preserveExtension ? FileUtilities.getName(file) : file.getName();
 		}
 		
 		if (match.getValue() instanceof AbstractFile) {
 			AbstractFile file = (AbstractFile) match.getValue();
-			
 			return preserveExtension ? FileUtilities.getNameWithoutExtension(file.getName()) : file.getName();
 		}
 		
-		// type not supported
-		throw new IllegalArgumentException("Type not supported");
+		// cannot format value
+		throw new IllegalArgumentException("Illegal value: " + match.getValue());
 	}
 	
 }

source/net/sourceforge/filebot/ui/panel/rename/MatchAction.java

@@ -133,6 +133,9 @@ class MatchAction extends AbstractAction {
 	
 
 	public void actionPerformed(ActionEvent evt) {
+		if (model.names().isEmpty() || model.files().isEmpty())
+			return;
+		
 		JComponent eventSource = (JComponent) evt.getSource();
 		
 		SwingUtilities.getRoot(eventSource).setCursor(Cursor.getPredefinedCursor(Cursor.WAIT_CURSOR));

source/net/sourceforge/filebot/ui/panel/rename/RenameAction.java

@@ -69,7 +69,7 @@ class RenameAction extends AbstractAction {
 					iterator.remove();
 				} else {
 					// failed to revert rename operation
-					Logger.getLogger("ui").severe(String.format("Failed to revert file: \"%s\".", mapping.getValue()));
+					Logger.getLogger("ui").severe("Failed to revert file: " + mapping.getValue());
 				}
 			}
 		}
@@ -90,16 +90,16 @@ class RenameAction extends AbstractAction {
 	}
 	
 
-	private File rename(File file, String name) throws IOException {
+	private File rename(File file, String path) throws IOException {
 		// same folder, different name
-		File destination = new File(file.getParentFile(), name);
+		File destination = new File(file.getParentFile(), path);
+		
+		// name may be a relative path, so we can't use file.getParentFile()
 		File destinationFolder = destination.getParentFile();
 		
 		// create parent folder if necessary
-		if (!destinationFolder.isDirectory()) {
-			if (!destinationFolder.mkdirs()) {
-				throw new IOException("Failed to create folder: " + destinationFolder);
-			}
+		if (!destinationFolder.isDirectory() && !destinationFolder.mkdirs()) {
+			throw new IOException("Failed to create folder: " + destinationFolder);
 		}
 		
 		if (!file.renameTo(destination)) {

source/net/sourceforge/filebot/web/Episode.java

@@ -3,6 +3,7 @@ package net.sourceforge.filebot.web;
 
 
 import java.io.Serializable;
+import java.util.Arrays;
 
 
 public class Episode implements Serializable {
@@ -31,29 +32,11 @@ public class Episode implements Serializable {
 	}
 	
 
-	public Integer getEpisodeNumber() {
-		try {
-			return Integer.valueOf(episode);
-		} catch (NumberFormatException e) {
-			return null;
-		}
-	}
-	
-
 	public String getSeason() {
 		return season;
 	}
 	
 
-	public Integer getSeasonNumber() {
-		try {
-			return Integer.valueOf(season);
-		} catch (NumberFormatException e) {
-			return null;
-		}
-	}
-	
-
 	public String getSeriesName() {
 		return seriesName;
 	}
@@ -64,6 +47,31 @@ public class Episode implements Serializable {
 	}
 	
 
+	@Override
+	public boolean equals(Object obj) {
+		if (obj instanceof Episode) {
+			Episode other = (Episode) obj;
+			return equals(season, other.season) && equals(episode, other.episode) && equals(seriesName, other.seriesName) && equals(title, other.title);
+		}
+		
+		return false;
+	}
+	
+
+	private boolean equals(Object o1, Object o2) {
+		if (o1 == null || o2 == null)
+			return o1 == o2;
+		
+		return o1.equals(o2);
+	}
+	
+
+	@Override
+	public int hashCode() {
+		return Arrays.hashCode(new Object[] { seriesName, season, episode, title });
+	}
+	
+
 	@Override
 	public String toString() {
 		return EpisodeFormat.getInstance().format(this);

source/net/sourceforge/filebot/web/EpisodeFormat.java

@@ -22,8 +22,15 @@ public class EpisodeFormat extends Format {
 	public StringBuffer format(Object obj, StringBuffer sb, FieldPosition pos) {
 		Episode episode = (Episode) obj;
 		
-		// try to format episode number, or use episode "number" string as is
-		String episodeNumber = (episode.getEpisodeNumber() != null ? String.format("%02d", episode.getEpisodeNumber()) : episode.getEpisode());
+		// episode number is most likely a number but could also be some kind of special identifier (e.g. Special)
+		String episodeNumber = episode.getEpisode();
+		
+		// try to format episode number, if possible
+		try {
+			episodeNumber = String.format("%02d", Integer.parseInt(episodeNumber));
+		} catch (NumberFormatException e) {
+			// ignore
+		}
 		
 		// series name should not be empty or null
 		sb.append(episode.getSeriesName());

test/net/sourceforge/filebot/similarity/SeasonEpisodeMatcherTest.java

@@ -2,18 +2,20 @@
 package net.sourceforge.filebot.similarity;
 
 
+import static java.util.Arrays.*;
 import static net.sourceforge.filebot.similarity.SeasonEpisodeMatcher.SxE.*;
 import static org.junit.Assert.*;
-import net.sourceforge.filebot.similarity.SeasonEpisodeMatcher.SxE;
 
 import org.junit.Test;
 
+import net.sourceforge.filebot.similarity.SeasonEpisodeMatcher.SxE;
+
 
 public class SeasonEpisodeMatcherTest {
 	
 	private static SeasonEpisodeMatcher matcher = new SeasonEpisodeMatcher();
 	
-	
+
 	@Test
 	public void patternPrecedence() {
 		// S01E01 pattern has highest precedence
@@ -34,7 +36,7 @@ public class SeasonEpisodeMatcherTest {
 		// test high values
 		assertEquals(new SxE(12, 345), matcher.match("Test - 12x345 - High Values").get(0));
 		
-		// test lookahead and lookbehind
+		// test look-ahead and look-behind
 		assertEquals(new SxE(1, 3), matcher.match("Test_-_103_[1280x720]").get(0));
 	}
 	
@@ -64,11 +66,14 @@ public class SeasonEpisodeMatcherTest {
 		// test high values
 		assertEquals(new SxE(10, 1), matcher.match("[Test]_1001_High_Values").get(0));
 		
-		// first two digits <= 29
+		// test season digits <= 19
 		assertEquals(null, matcher.match("The 4400"));
 		
-		// test lookbehind
+		// test look-behind
 		assertEquals(null, matcher.match("720p"));
+		
+		// test ambiguous match processing
+		assertEquals(asList(new SxE(1, 1), new SxE(UNDEFINED, 101)), matcher.match("Test.101"));
 	}
 	
 }