[JGIT PATCH v3 06/23] Added the class FileNamePattern.

@@ -0,0 +1,58 @@
+/*
+ *  Copyright (C) 2008 Florian Köberle
+ *
+ *  This library is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU General Public
+ *  License, version 2, as published by the Free Software Foundation.
+ *
+ *  This library 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 this library; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301
+ */
+package org.spearce.jgit.treewalk.rules;
+
+import org.spearce.jgit.errors.InvalidPatternException;
+import org.spearce.jgit.lib.FileNameMatcher;
+
+/**
+ * A {@link FileNamePattern} defines a pattern for all files in a tree. A
+ * typical example would be "*.txt", which would match at any file or subtree
+ * which ends with ".txt" like "a/b/c.txt" and "a.txt/a.c".
+ * 
+ */
+class FileNamePattern implements FilePattern {
+	private final FileNameMatcher fileNameMatcher;
+
+	private final boolean matchDirectoriesOnly;
+
+	FileNamePattern(String fnMatchPatternString, boolean matchDirectoriesOnly)
+			throws InvalidPatternException {
+		this.fileNameMatcher = new FileNameMatcher(fnMatchPatternString, null);
+		this.matchDirectoriesOnly = matchDirectoriesOnly;
+	}
+
+	public FilePattern getPatternForSubDirectory(String directoryName) {
+		if (match(directoryName, true)) {
+			return MATCH_ALWAYS;
+		}
+		return this;
+	}
+
+	public boolean match(String fileName, boolean fileIsDirectory) {
+		if (matchDirectoriesOnly && !fileIsDirectory) {
+			return false;
+		}
+		fileNameMatcher.resetStringToMatch();
+		fileNameMatcher.extendStringToMatch(fileName);
+		return fileNameMatcher.isMatch();
+	}
+
+	public boolean isSameForSubDirectories() {
+		return false;
+	}
+}