Signed-off-by: Florian Koeberle <florianskarten@xxxxxx>
---
.../jgit/lib/fileiteration/FilePattern.java | 107 ++++++++++++++++++++
1 files changed, 107 insertions(+), 0 deletions(-)
create mode 100644 org.spearce.jgit/src/org/spearce/jgit/lib/fileiteration/FilePattern.java
diff --git a/org.spearce.jgit/src/org/spearce/jgit/lib/fileiteration/FilePattern.java b/org.spearce.jgit/src/org/spearce/jgit/lib/fileiteration/FilePattern.java
new file mode 100644
index 0000000..01edbd4
--- /dev/null
+++ b/org.spearce.jgit/src/org/spearce/jgit/lib/fileiteration/FilePattern.java
@@ -0,0 +1,107 @@
+/*
+ * 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;
+
+/**
+ * A {@link FilePattern} can be used to check if files in a directory matches a
+ * pattern. It provides with the {@link #getPatternForSubDirectory(String)}
+ * method {@link FilePattern}s for sub directories.
+ *
+ * Implementations of this interface should be immutable.
+ *
+ * @author Florian Koeberle
+ *
+ */
+interface FilePattern {
+ /**
+ * This pattern instance matches always.
+ */
+ public static final FilePattern MATCH_ALWAYS = new FilePattern() {
+
+ public FilePattern getPatternForSubDirectory(String directoryName) {
+ return MATCH_ALWAYS;
+ }
+
+ public boolean match(String fileName, boolean fileIsDirectory) {
+ return true;
+ }
+
+ public boolean canMatchAtThisDirectoryLevel() {
+ return true;
+ }
+
+ public boolean isSameForSubDirectories() {
+ return true;
+ }
+ };
+
+ /**
+ * This pattern instance matches never.
+ */
+ public static final FilePattern MATCH_NEVER = new FilePattern() {
+
+ public FilePattern getPatternForSubDirectory(String directoryName) {
+ return MATCH_NEVER;
+ }
+
+ public boolean match(String fileName, boolean fileIsDirectory) {
+ return false;
+ }
+
+ public boolean canMatchAtThisDirectoryLevel() {
+ return false;
+ }
+
+ public boolean isSameForSubDirectories() {
+ return true;
+ }
+ };
+
+ /**
+ * @param fileName
+ * the name of the file or directory
+ * @param fileIsDirectory
+ * determines if the file is a directory.
+ * @return true if the pattern matches.
+ */
+ boolean match(String fileName, boolean fileIsDirectory);
+
+ /**
+ *
+ * @param directoryName
+ * the name of a subdirectory.
+ * @return a pattern which can be used to match files in sub directories. A
+ * user may check if the returned value is {@link #MATCH_NEVER} in
+ * order to do some performance optimizations.
+ *
+ */
+ FilePattern getPatternForSubDirectory(String directoryName);
+
+ /**
+ * This method can be used to generate an smaller list of rules, which can
+ * match.
+ *
+ * @return true if {@link #match(String, boolean)} returns always false.
+ */
+ boolean canMatchAtThisDirectoryLevel();
+
+ /**
+ * @return true if {@link #getPatternForSubDirectory(String)} returns true
+ * for every value.
+ */
+ boolean isSameForSubDirectories();
+}
\ No newline at end of file
--
1.5.2.5
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