[JGIT PATCH 11/22] Added the class StarPattern.

[Florian Koeberle <florianskarten@web.de>]

Signed-off-by: Florian Koeberle <florianskarten@web.de>
---
 .../jgit/lib/fileiteration/StarPattern.java        |   50 ++++++++++++++++++++
 1 files changed, 50 insertions(+), 0 deletions(-)
 create mode 100644 org.spearce.jgit/src/org/spearce/jgit/lib/fileiteration/StarPattern.java

diff --git a/org.spearce.jgit/src/org/spearce/jgit/lib/fileiteration/StarPattern.java b/org.spearce.jgit/src/org/spearce/jgit/lib/fileiteration/StarPattern.java
new file mode 100644
index 0000000..bd773ef
--- /dev/null
+++ b/org.spearce.jgit/src/org/spearce/jgit/lib/fileiteration/StarPattern.java
@@ -0,0 +1,50 @@
+/*
+ *  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.lib.fileiteration;
+
+import java.util.regex.Pattern;
+
+class StarPattern {
+
+	private final Pattern regexPattern;
+
+	private final String stringPattern;
+
+	StarPattern(String starPattern) {
+		if (starPattern.contains("*")) {
+			String regularExpression = starPattern;
+			regularExpression = regularExpression.replace(".", "[.]");
+			regularExpression = regularExpression.replace("*", ".*");
+			this.regexPattern = Pattern.compile(regularExpression);
+			this.stringPattern = null;
+		} else {
+			this.regexPattern = null;
+			this.stringPattern = starPattern;
+		}
+
+	}
+
+	boolean matches(String stringToMatch) {
+		if (regexPattern != null) {
+			return regexPattern.matcher(stringToMatch).matches();
+		} else if (stringPattern != null) {
+			return stringPattern.equals(stringToMatch);
+		}
+		throw new IllegalStateException("Oops, this should never happen.");
+	}
+
+}
-- 
1.5.2.5