Signed-off-by: Florian Koeberle <florianskarten@xxxxxx>
---
.../spearce/jgit/treewalk/rules/FilePattern.java | 128 ++++++++++++++++++++
1 files changed, 128 insertions(+), 0 deletions(-)
create mode 100644 org.spearce.jgit/src/org/spearce/jgit/treewalk/rules/FilePattern.java
diff --git a/org.spearce.jgit/src/org/spearce/jgit/treewalk/rules/FilePattern.java b/org.spearce.jgit/src/org/spearce/jgit/treewalk/rules/FilePattern.java
new file mode 100644
index 0000000..86cba6b
--- /dev/null
+++ b/org.spearce.jgit/src/org/spearce/jgit/treewalk/rules/FilePattern.java
@@ -0,0 +1,128 @@
+/*
+ * Copyright (C) 2008, Florian Köberle <florianskarten@xxxxxx>
+ *
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or
+ * without modification, are permitted provided that the following
+ * conditions are met:
+ *
+ * - Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * - Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials provided
+ * with the distribution.
+ *
+ * - Neither the name of the Git Development Community nor the
+ * names of its contributors may be used to endorse or promote
+ * products derived from this software without specific prior
+ * written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
+ * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
+ * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+package org.spearce.jgit.treewalk.rules;
+
+/**
+ * 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.
+ *
+ */
+interface FilePattern {
+ /**
+ * Contains the only instance of {@link FilePatternMatchAlways}.
+ */
+ public static final FilePattern MATCH_ALWAYS = new FilePatternMatchAlways();
+
+ /**
+ * Contains the only instance of {@link FilePatternMatchNever}.
+ */
+ public static final FilePattern MATCH_NEVER = new FilePatternMatchNever();
+
+ /**
+ * @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);
+
+ /**
+ * @return true if {@link #getPatternForSubDirectory(String)} returns true
+ * for every value.
+ */
+ boolean isSameForSubDirectories();
+
+ /**
+ * This implementation does always match.
+ */
+ public static final class FilePatternMatchAlways implements FilePattern {
+
+ private FilePatternMatchAlways() {
+ // declared to make the constructor private
+ }
+
+ public FilePattern getPatternForSubDirectory(String directoryName) {
+ return MATCH_ALWAYS;
+ }
+
+ public boolean match(String fileName, boolean fileIsDirectory) {
+ return true;
+ }
+
+ public boolean isSameForSubDirectories() {
+ return true;
+ }
+ }
+
+ /**
+ * This implementation does never match.
+ */
+ public static final class FilePatternMatchNever implements FilePattern {
+ private FilePatternMatchNever() {
+ // declared to make the constructor private
+ }
+
+ public FilePattern getPatternForSubDirectory(String directoryName) {
+ return MATCH_NEVER;
+ }
+
+ public boolean match(String fileName, boolean fileIsDirectory) {
+ return false;
+ }
+
+ public boolean isSameForSubDirectories() {
+ return true;
+ }
+ }
+
+}
--
1.5.4.3
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