Cache heavily used Pattern/FileFilter objects

source/net/filebot/cli/CmdlineOperations.java

@@ -1,5 +1,6 @@
 package net.filebot.cli;
 
+import static net.filebot.util.StringUtilities.*;
 import static java.lang.String.*;
 import static java.util.Arrays.*;
 import static java.util.Collections.*;
@@ -186,7 +187,7 @@ public class CmdlineOperations implements CmdlineInterface {
 					CLILogger.config("Auto-detected query: " + seriesNames);
 				} else {
 					// use --q option
-					seriesNames = asList(query.split("[|]"));
+					seriesNames = asList(PIPE.split(query));
 				}
 
 				if (strict && seriesNames.size() > 1) {

source/net/filebot/media/MediaDetection.java

@@ -998,10 +998,10 @@ public class MediaDetection {
 		return movies;
 	}
 
-	private static final Pattern defaultIgnoreTokens = releaseInfo.getVideoFormatPattern(false);
+	private static Pattern formatInfoPattern = releaseInfo.getVideoFormatPattern(false);
 
 	public static String stripFormatInfo(CharSequence name) {
-		return defaultIgnoreTokens.matcher(name).replaceAll("");
+		return formatInfoPattern.matcher(name).replaceAll("");
 	}
 
 	public static String stripReleaseInfo(String name, boolean strict) {
@@ -1144,11 +1144,16 @@ public class MediaDetection {
 		return releaseInfo.cleanRelease(names, strict);
 	}
 
+	private static Pattern blacklistPattern;
+
 	public static List<String> stripBlacklistedTerms(Collection<String> names) throws IOException {
-		Pattern blacklist = releaseInfo.getBlacklistPattern();
+		if (blacklistPattern == null) {
+			blacklistPattern = releaseInfo.getBlacklistPattern();
+		}
+
 		List<String> acceptables = new ArrayList<String>(names.size());
 		for (String it : names) {
-			if (blacklist.matcher(it).replaceAll("").trim().length() > 0) {
+			if (blacklistPattern.matcher(it).replaceAll("").trim().length() > 0) {
 				acceptables.add(it);
 			}
 		}

source/net/filebot/media/ReleaseInfo.java

@@ -43,19 +43,32 @@ import org.tukaani.xz.XZInputStream;
 
 public class ReleaseInfo {
 
+	private String[] videoSources;
+	private Pattern videoSourcePattern;
+
 	public String getVideoSource(String... input) {
+		if (videoSources == null || videoSourcePattern == null) {
+			videoSources = PIPE.split(getProperty("pattern.video.source"));
+			videoSourcePattern = getVideoSourcePattern();
+		}
+
 		// check parent and itself for group names
-		return matchLast(getVideoSourcePattern(), getProperty("pattern.video.source").split("[|]"), input);
+		return matchLast(videoSourcePattern, videoSources, input);
 	}
 
+	private Pattern videoTagPattern;
+
 	public List<String> getVideoTags(String... input) {
-		Pattern pattern = getVideoTagPattern();
+		if (videoTagPattern == null) {
+			videoTagPattern = getVideoTagPattern();
+		}
+
 		List<String> tags = new ArrayList<String>();
 		for (String s : input) {
 			if (s == null)
 				continue;
 
-			Matcher m = pattern.matcher(s);
+			Matcher m = videoTagPattern.matcher(s);
 			while (m.find()) {
 				tags.add(m.group());
 			}
@@ -89,11 +102,17 @@ public class ReleaseInfo {
 		return match;
 	}
 
+	private Map<String, Locale> languages;
+	private Pattern languageSuffix;
+
 	public Locale getLanguageSuffix(String name) {
 		// match locale identifier and lookup Locale object
-		Map<String, Locale> languages = getLanguageMap(Locale.ENGLISH, Locale.getDefault());
+		if (languages == null || languageSuffix == null) {
+			languages = getLanguageMap(Locale.ENGLISH, Locale.getDefault());
+			languageSuffix = getLanguageSuffixPattern(languages.keySet(), false);
+		}
 
-		String lang = matchLast(getLanguageSuffixPattern(languages.keySet(), false), null, name);
+		String lang = matchLast(languageSuffix, null, name);
 		if (lang == null)
 			return null;
 
@@ -148,11 +167,12 @@ public class ReleaseInfo {
 				Pattern videoSource = getVideoSourcePattern();
 				Pattern videoTags = getVideoTagPattern();
 				Pattern videoFormat = getVideoFormatPattern(strict);
+				Pattern stereoscopic3d = getStereoscopic3DPattern();
 				Pattern resolution = getResolutionPattern();
 				Pattern queryBlacklist = getBlacklistPattern();
 
-				stopwords = new Pattern[] { languageTag, videoSource, videoTags, videoFormat, resolution, languageSuffix };
-				blacklist = new Pattern[] { queryBlacklist, languageTag, clutterBracket, releaseGroup, videoSource, videoTags, videoFormat, resolution, languageSuffix };
+				stopwords = new Pattern[] { languageTag, videoSource, videoTags, videoFormat, stereoscopic3d, resolution, languageSuffix };
+				blacklist = new Pattern[] { queryBlacklist, languageTag, clutterBracket, releaseGroup, videoSource, videoTags, videoFormat, stereoscopic3d, resolution, languageSuffix };
 
 				// cache compiled patterns for common usage
 				this.stopwords.put(strict, stopwords);
@@ -341,16 +361,31 @@ public class ReleaseInfo {
 		return seriesDirectMappings;
 	}
 
+	private static FolderEntryFilter diskFolderFilter;
+
 	public FileFilter getDiskFolderFilter() {
-		return new FolderEntryFilter(compile(getProperty("pattern.diskfolder.entry")));
+		if (diskFolderFilter == null) {
+			diskFolderFilter = new FolderEntryFilter(compile(getProperty("pattern.diskfolder.entry")));
+		}
+		return diskFolderFilter;
 	}
 
+	private static RegexFileFilter diskFolderEntryFilter;
+
 	public FileFilter getDiskFolderEntryFilter() {
-		return new RegexFileFilter(compile(getProperty("pattern.diskfolder.entry")));
+		if (diskFolderEntryFilter == null) {
+			diskFolderEntryFilter = new RegexFileFilter(compile(getProperty("pattern.diskfolder.entry")));
+		}
+		return diskFolderEntryFilter;
 	}
 
+	private static ClutterFileFilter clutterFileFilter;
+
 	public FileFilter getClutterFileFilter() throws IOException {
-		return new ClutterFileFilter(getExcludePattern(), Long.parseLong(getProperty("number.clutter.maxfilesize"))); // only files smaller than 250 MB may be considered clutter
+		if (clutterFileFilter == null) {
+			clutterFileFilter = new ClutterFileFilter(getExcludePattern(), Long.parseLong(getProperty("number.clutter.maxfilesize"))); // only files smaller than 250 MB may be considered clutter
+		}
+		return clutterFileFilter;
 	}
 
 	public List<File> getMediaRoots() {

source/net/filebot/subtitle/MicroDVDReader.java

@@ -1,23 +1,18 @@
-
 package net.filebot.subtitle;
 
-
 import static net.filebot.util.StringUtilities.*;
 
 import java.util.ArrayList;
 import java.util.List;
 
-
 public class MicroDVDReader extends SubtitleReader {
 
 	private double fps = 23.976;
 
-
 	public MicroDVDReader(Readable source) {
 		super(source);
 	}
 
-
 	@Override
 	public SubtitleElement readNext() throws Exception {
 		String line = scanner.nextLine();
@@ -60,7 +55,7 @@ public class MicroDVDReader extends SubtitleReader {
 		}
 
 		// translate '|' to new lines
-		String[] lines = text.split("[|]");
+		String[] lines = PIPE.split(text);
 
 		// convert frame interval to time interval
 		return new SubtitleElement(Math.round(startFrame * fps), Math.round(endFrame * fps), join(lines, "\n"));

source/net/filebot/util/StringUtilities.java

@@ -14,6 +14,7 @@ public final class StringUtilities {
 	public static final Pattern SPACE = Pattern.compile("\\s+");
 	public static final Pattern DIGIT = Pattern.compile("\\d+");
 	public static final Pattern NON_DIGIT = Pattern.compile("\\D+");
+	public static final Pattern PIPE = Pattern.compile("|", Pattern.LITERAL);
 
 	public static List<Integer> matchIntegers(CharSequence s) {
 		if (s == null || s.length() == 0) {