Signed-off-by: Florian Koeberle <florianskarten@xxxxxx>
---
.../FileIterableFactoryForAddCommand.java | 118 ++++++++++++++++++++
1 files changed, 118 insertions(+), 0 deletions(-)
create mode 100644 org.spearce.jgit/src/org/spearce/jgit/lib/fileiteration/FileIterableFactoryForAddCommand.java
diff --git a/org.spearce.jgit/src/org/spearce/jgit/lib/fileiteration/FileIterableFactoryForAddCommand.java b/org.spearce.jgit/src/org/spearce/jgit/lib/fileiteration/FileIterableFactoryForAddCommand.java
new file mode 100644
index 0000000..4674a87
--- /dev/null
+++ b/org.spearce.jgit/src/org/spearce/jgit/lib/fileiteration/FileIterableFactoryForAddCommand.java
@@ -0,0 +1,118 @@
+/*
+ * 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.io.File;
+import java.io.FileNotFoundException;
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+
+import org.spearce.jgit.errors.InvalidPatternException;
+import org.spearce.jgit.errors.PathNotInProjectDirectoryException;
+import org.spearce.jgit.lib.GitPathConstants;
+import org.spearce.jgit.lib.Project;
+
+/**
+ * This class is designed to serve the needs of someone who want to implement a
+ * git-add command and needs to determine the files to add.
+ *
+ * @author Florian Köberle
+ *
+ */
+public class FileIterableFactoryForAddCommand {
+ private final RuleListToObjectConverter converter = new RuleListToObjectConverter();
+
+ private final IgnoreRuleListFactory ignoreRuleListFactory = new IgnoreRuleListFactory();
+
+ private final AddRuleListFactory addRuleListFactory = new AddRuleListFactory();
+
+ /**
+ * @param project
+ * a git project.
+ * @param projectSubDirectory
+ * a directory in the projectDirectory.
+ * @param filePatternsOfAddCommand
+ * determines the files to iterate over.
+ * @return an {@link Iterable} which can be used to iterate over all
+ * matching files in the project directory which are not ignored by
+ * some ignore rules.
+ * @throws InvalidPatternException
+ * @throws IOException
+ * for some reasons.
+ * @throws PathNotInProjectDirectoryException
+ * if projectSubDirectory isn't a subdirectory of the project
+ * directory.
+ */
+ public Iterable<File> createFileTreeIterable(Project project,
+ File projectSubDirectory, List<String> filePatternsOfAddCommand)
+ throws InvalidPatternException, PathNotInProjectDirectoryException,
+ IOException {
+ final File gitDirectory = project.getRepository().getDirectory();
+ final Rules rules = createRules(project.getDirectory(), gitDirectory,
+ projectSubDirectory, filePatternsOfAddCommand);
+ return new FileTreeIterable(project.getDirectory(), rules, false);
+ }
+
+ private Rules createRules(File projectDirectory, File gitDirectory,
+ File workingDirectory, List<String> filePatternsOfAddCommand)
+ throws InvalidPatternException, PathNotInProjectDirectoryException,
+ IOException {
+ final Rule gitDirectoryIgnoreRule = createGitDirectoryIgnoreRule();
+ final List<Rule> ignoreRuleListFromFiles = createExcludeRules(
+ projectDirectory, gitDirectory);
+ final List<Rule> includeRules = addRuleListFactory.createRuleList(
+ projectDirectory, workingDirectory, filePatternsOfAddCommand);
+ final List<Rule> ruleList = new ArrayList<Rule>();
+
+ ruleList.add(gitDirectoryIgnoreRule);
+ ruleList.addAll(ignoreRuleListFromFiles);
+ ruleList.addAll(includeRules);
+ ruleList.add(new Rule(true, FilePattern.MATCH_ALWAYS));
+
+ return converter.createIgnoreRules(ruleList.iterator());
+ }
+
+ private List<Rule> createExcludeRules(File projectDirectory,
+ File gitDirectory) {
+ final List<File> possibleIgnoreFiles = new ArrayList<File>(2);
+ possibleIgnoreFiles.add(new File(projectDirectory, ".gitignore"));
+ possibleIgnoreFiles.add(new File(new File(gitDirectory, "info"),
+ "exclude"));
+
+ final List<File> ignoreFiles = new ArrayList<File>();
+ for (File possibleIgnoreFile : possibleIgnoreFiles) {
+ if (possibleIgnoreFile.isFile()) {
+ ignoreFiles.add(possibleIgnoreFile);
+ }
+ }
+
+ try {
+ return ignoreRuleListFactory.createIgnoreRuleList(ignoreFiles);
+ } catch (FileNotFoundException e) {
+ throw new RuntimeException("unexpected removal of ignore files", e);
+ }
+ }
+
+ private Rule createGitDirectoryIgnoreRule() {
+ final FilePattern gitDirectoryPattern = new ComplexFilePattern(Arrays
+ .asList(GitPathConstants.REPOSITORY_DIRECTORY_NAME), true);
+ final Rule gitDirectoryIgnoreRule = new Rule(true, gitDirectoryPattern);
+ return gitDirectoryIgnoreRule;
+ }
+}
--
1.5.2.5
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