Declare essentially static methods as static

Change-Id: I83ca25fb569c0dbc36eb374d5437fcf2b65a6f68

org.eclipse.jgit.http.server/src/org/eclipse/jgit/http/server/resolver/DefaultReceivePackFactory.java

@@ -104,7 +104,7 @@ public class DefaultReceivePackFactory implements
 		throw new ServiceNotAuthorizedException();
 	}
 
-	private ReceivePack createFor(final HttpServletRequest req,
+	private static ReceivePack createFor(final HttpServletRequest req,
 			final Repository db, final String user) {
 		final ReceivePack rp = new ReceivePack(db);
 		rp.setRefLogIdent(toPersonIdent(req, user));

org.eclipse.jgit.http.test/tst/org/eclipse/jgit/http/test/FileResolverTest.java

@@ -81,7 +81,7 @@ public class FileResolverTest extends LocalDiskRepositoryTestCase {
 			assertUnreasonable("C:/windows");
 	}
 
-	private void assertUnreasonable(String name)
+	private static void assertUnreasonable(String name)
 			throws ServiceNotEnabledException {
 		FileResolver<RepositoryResolver> r = new FileResolver<RepositoryResolver>(
 				new File("."), false);

org.eclipse.jgit.http.test/tst/org/eclipse/jgit/http/test/ProtocolErrorTest.java

@@ -176,7 +176,7 @@ public class ProtocolErrorTest extends HttpTestCase {
 		}
 	}
 
-	private void packHeader(ByteArrayOutputStream tinyPack, int cnt)
+	private static void packHeader(ByteArrayOutputStream tinyPack, int cnt)
 			throws IOException {
 		final byte[] hdr = new byte[8];
 		NB.encodeInt32(hdr, 0, 2);

org.eclipse.jgit.iplog/src/org/eclipse/jgit/iplog/IPZillaQuery.java

@@ -156,7 +156,7 @@ class IPZillaQuery {
 		}
 	}
 
-	private BufferedReader reader(HttpURLConnection conn)
+	private static BufferedReader reader(HttpURLConnection conn)
 			throws UnsupportedEncodingException, IOException {
 		String encoding = conn.getContentEncoding();
 		InputStream in = conn.getInputStream();
@@ -206,7 +206,7 @@ class IPZillaQuery {
 		}
 	}
 
-	private String readFully(HttpURLConnection c) throws IOException {
+	private static String readFully(HttpURLConnection c) throws IOException {
 		String enc = c.getContentEncoding();
 		Reader reader;
 		if (enc != null) {
@@ -240,7 +240,7 @@ class IPZillaQuery {
 		return c;
 	}
 
-	private void setCookie(URL url, String name, String value)
+	private static void setCookie(URL url, String name, String value)
 			throws IOException {
 		Map<String, List<String>> cols = new HashMap<String, List<String>>();
 		cols.put("Set-Cookie", Collections.singletonList(name + "=" + value));
@@ -253,7 +253,7 @@ class IPZillaQuery {
 		}
 	}
 
-	private CQ parseOneCQ(Map<String, String> row) {
+	private static CQ parseOneCQ(Map<String, String> row) {
 		long id = Long.parseLong(row.get("bug_id"));
 		String state = row.get("bug_severity");
 		String bug_status = row.get("bug_status");

org.eclipse.jgit.iplog/src/org/eclipse/jgit/iplog/IpLogGenerator.java

@@ -273,7 +273,7 @@ public class IpLogGenerator {
 		}
 	}
 
-	private Date parseDate(SimpleDateFormat dt, String value)
+	private static Date parseDate(SimpleDateFormat dt, String value)
 			throws IOException {
 		if ("NULL".equals(value) || "".equals(value) || value == null)
 			return null;
@@ -524,7 +524,7 @@ public class IpLogGenerator {
 		return project;
 	}
 
-	private void populateProjectType(Project p, Element project) {
+	private static void populateProjectType(Project p, Element project) {
 		required(project, "id", p.getID());
 		required(project, "name", p.getName());
 		optional(project, "comments", p.getComments());
@@ -557,7 +557,7 @@ public class IpLogGenerator {
 		return r;
 	}
 
-	private String mapCQState(String state) {
+	private static String mapCQState(String state) {
 		// "approved" CQs shall be listed as "active" in the iplog
 		if (state.equals("approved"))
 			return "active";
@@ -602,13 +602,13 @@ public class IpLogGenerator {
 		return doc.createElementNS(IPLOG_NS, IPLOG_PFX + name);
 	}
 
-	private void required(Element r, String name, String value) {
+	private static void required(Element r, String name, String value) {
 		if (value == null)
 			value = "";
 		r.setAttribute(name, value);
 	}
 
-	private void optional(Element r, String name, String value) {
+	private static void optional(Element r, String name, String value) {
 		if (value != null && value.length() > 0)
 			r.setAttribute(name, value);
 	}

org.eclipse.jgit.iplog/src/org/eclipse/jgit/iplog/IpLogMeta.java

@@ -142,7 +142,7 @@ public class IpLogMeta {
 		reviewUrl = cfg.getString(S_REVIEW, null, K_URL);
 	}
 
-	private List<Project> parseProjects(final Config cfg,
+	private static List<Project> parseProjects(final Config cfg,
 			final String sectionName) {
 		final List<Project> dst = new ArrayList<Project>();
 		for (String id : cfg.getSubsections(sectionName)) {

org.eclipse.jgit.iplog/src/org/eclipse/jgit/iplog/SimpleCookieManager.java

@@ -112,7 +112,7 @@ public class SimpleCookieManager extends CookieHandler {
 		}
 	}
 
-	private String hostOf(URI uri) {
+	private static String hostOf(URI uri) {
 		StringBuilder key = new StringBuilder();
 		key.append(uri.getScheme());
 		key.append(':');

org.eclipse.jgit.junit/src/org/eclipse/jgit/junit/LocalDiskRepositoryTestCase.java

@@ -162,7 +162,7 @@ public abstract class LocalDiskRepositoryTestCase {
 		mockSystemReader.setProperty(Constants.GIT_CEILING_DIRECTORIES_KEY, makePath(ceilings));
 	}
 
-	private String makePath(List<?> objects) {
+	private static String makePath(List<?> objects) {
 		final StringBuilder stringBuilder = new StringBuilder();
 		for (Object object : objects) {
 			if (stringBuilder.length() > 0)
@@ -303,7 +303,7 @@ public abstract class LocalDiskRepositoryTestCase {
 		toClose.add(r);
 	}
 
-	private String createUniqueTestFolderPrefix() {
+	private static String createUniqueTestFolderPrefix() {
 		return "test" + (System.currentTimeMillis() + "_" + (testCount++));
 	}
 

org.eclipse.jgit.junit/src/org/eclipse/jgit/junit/TestRepository.java

@@ -673,7 +673,7 @@ public class TestRepository<R extends Repository> {
 		}
 	}
 
-	private void prunePacked(ObjectDirectory odb) throws IOException {
+	private static void prunePacked(ObjectDirectory odb) throws IOException {
 		for (PackFile p : odb.getPacks()) {
 			for (MutableEntry e : p)
 				FileUtils.delete(odb.fileFor(e.toObjectId()));

org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/AbstractFetchCommand.java

@@ -128,7 +128,8 @@ abstract class AbstractFetchCommand extends TextBuiltin {
 		writer.flush();
 	}
 
-	private String longTypeOf(ObjectReader reader, final TrackingRefUpdate u) {
+	private static String longTypeOf(ObjectReader reader,
+			final TrackingRefUpdate u) {
 		final RefUpdate.Result r = u.getResult();
 		if (r == RefUpdate.Result.LOCK_FAILURE)
 			return "[lock fail]";
@@ -164,7 +165,7 @@ abstract class AbstractFetchCommand extends TextBuiltin {
 		return "[" + r.name() + "]"; //$NON-NLS-1$//$NON-NLS-2$
 	}
 
-	private String safeAbbreviate(ObjectReader reader, ObjectId id) {
+	private static String safeAbbreviate(ObjectReader reader, ObjectId id) {
 		try {
 			return reader.abbreviate(id).name();
 		} catch (IOException cannotAbbreviate) {

org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/Clone.java

@@ -150,7 +150,7 @@ class Clone extends AbstractFetchCommand {
 		return r;
 	}
 
-	private Ref guessHEAD(final FetchResult result) {
+	private static Ref guessHEAD(final FetchResult result) {
 		final Ref idHEAD = result.getAdvertisedRef(Constants.HEAD);
 		final List<Ref> availableRefs = new ArrayList<Ref>();
 		Ref head = null;

org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/Daemon.java

@@ -155,7 +155,8 @@ class Daemon extends TextBuiltin {
 		outw.println(MessageFormat.format(CLIText.get().listeningOn, d.getAddress()));
 	}
 
-	private DaemonService service(final org.eclipse.jgit.transport.Daemon d,
+	private static DaemonService service(
+			final org.eclipse.jgit.transport.Daemon d,
 			final String n) {
 		final DaemonService svc = d.getService(n);
 		if (svc == null)

org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/Push.java

@@ -241,7 +241,7 @@ class Push extends TextBuiltin {
 		}
 	}
 
-	private String safeAbbreviate(ObjectReader reader, ObjectId id) {
+	private static String safeAbbreviate(ObjectReader reader, ObjectId id) {
 		try {
 			return reader.abbreviate(id).name();
 		} catch (IOException cannotAbbreviate) {

org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/debug/ShowPackDelta.java

@@ -90,7 +90,7 @@ class ShowPackDelta extends TextBuiltin {
 		outw.println(BinaryDelta.format(delta));
 	}
 
-	private byte[] getDelta(ObjectReader reader, RevObject obj)
+	private static byte[] getDelta(ObjectReader reader, RevObject obj)
 			throws IOException, MissingObjectException,
 			StoredObjectRepresentationNotAvailableException {
 		ObjectReuseAsIs asis = (ObjectReuseAsIs) reader;

org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/debug/TextHashFunctions.java

@@ -369,7 +369,8 @@ class TextHashFunctions extends TextBuiltin {
 		outw.flush();
 	}
 
-	private void testOne(Function fun, RawText txt, int[] elements, int cnt) {
+	private static void testOne(Function fun, RawText txt, int[] elements,
+			int cnt) {
 		final Hash cmp = fun.hash;
 		final Fold fold = fun.fold;
 

org.eclipse.jgit.test/tst/org/eclipse/jgit/api/AddCommandTest.java

@@ -697,7 +697,7 @@ public class AddCommandTest extends RepositoryTestCase {
 		assertEquals(FileMode.EXECUTABLE_FILE, walk.getFileMode(0));
 	}
 
-	private DirCacheEntry addEntryToBuilder(String path, File file,
+	private static DirCacheEntry addEntryToBuilder(String path, File file,
 			ObjectInserter newObjectInserter, DirCacheBuilder builder, int stage)
 			throws IOException {
 		FileInputStream inputStream = new FileInputStream(file);

org.eclipse.jgit.test/tst/org/eclipse/jgit/api/ApplyCommandTest.java

@@ -178,7 +178,7 @@ public class ApplyCommandTest extends RepositoryTestCase {
 				b.getString(0, b.size(), false));
 	}
 
-	private byte[] readFile(final String patchFile) throws IOException {
+	private static byte[] readFile(final String patchFile) throws IOException {
 		final InputStream in = DiffFormatterReflowTest.class
 				.getResourceAsStream(patchFile);
 		if (in == null) {

org.eclipse.jgit.test/tst/org/eclipse/jgit/api/BlameCommandTest.java

@@ -55,7 +55,7 @@ import org.junit.Test;
  */
 public class BlameCommandTest extends RepositoryTestCase {
 
-	private String join(String... lines) {
+	private static String join(String... lines) {
 		StringBuilder joined = new StringBuilder();
 		for (String line : lines)
 			joined.append(line).append('\n');

org.eclipse.jgit.test/tst/org/eclipse/jgit/api/CommitOnlyTest.java

@@ -1267,7 +1267,7 @@ public class CommitOnlyTest extends RepositoryTestCase {
 		}
 	}
 
-	private String expected_f3_head(final int state) {
+	private static String expected_f3_head(final int state) {
 		switch (state) {
 		case 0:
 		case 1:
@@ -1280,7 +1280,7 @@ public class CommitOnlyTest extends RepositoryTestCase {
 		return null;
 	}
 
-	private String expected_f3_idx(final int state) {
+	private static String expected_f3_idx(final int state) {
 		switch (state) {
 		case 0:
 		case 3:
@@ -1294,7 +1294,8 @@ public class CommitOnlyTest extends RepositoryTestCase {
 		return null;
 	}
 
-	private String getHead(final Git git, final String path) throws Exception {
+	static private String getHead(final Git git, final String path)
+			throws Exception {
 		try {
 			final Repository repo = git.getRepository();
 			final ObjectId headId = repo.resolve(Constants.HEAD + "^{commit}");

org.eclipse.jgit.test/tst/org/eclipse/jgit/api/HugeFileTest.java

@@ -228,7 +228,7 @@ public class HugeFileTest extends RepositoryTestCase {
 		assertEquals(0, status.getUntracked().size());
 	}
 
-	private void assertCollectionEquals(Collection<?> asList,
+	private static void assertCollectionEquals(Collection<?> asList,
 			Collection<?> added) {
 		assertEquals(asList.toString(), added.toString());
 	}

org.eclipse.jgit.test/tst/org/eclipse/jgit/api/MergeCommandTest.java

@@ -1328,17 +1328,17 @@ public class MergeCommandTest extends RepositoryTestCase {
 		assertEquals(StatusCommandTest.set("file2"), stat.getConflicting());
 	}
 
-	private void setExecutable(Git git, String path, boolean executable) {
+	private static void setExecutable(Git git, String path, boolean executable) {
 		FS.DETECTED.setExecute(
 				new File(git.getRepository().getWorkTree(), path), executable);
 	}
 
-	private boolean canExecute(Git git, String path) {
+	private static boolean canExecute(Git git, String path) {
 		return FS.DETECTED.canExecute(new File(git.getRepository()
 				.getWorkTree(), path));
 	}
 
-	private RevCommit addAllAndCommit(final Git git) throws Exception {
+	private static RevCommit addAllAndCommit(final Git git) throws Exception {
 		git.add().addFilepattern(".").call();
 		return git.commit().setMessage("message").call();
 	}

org.eclipse.jgit.test/tst/org/eclipse/jgit/api/PullCommandTest.java

@@ -268,7 +268,8 @@ public class PullCommandTest extends RepositoryTestCase {
 		assertFileContentsEqual(targetFile, "Hello world");
 	}
 
-	private void writeToFile(File actFile, String string) throws IOException {
+	private static void writeToFile(File actFile, String string)
+			throws IOException {
 		FileOutputStream fos = null;
 		try {
 			fos = new FileOutputStream(actFile);
@@ -280,7 +281,7 @@ public class PullCommandTest extends RepositoryTestCase {
 		}
 	}
 
-	private void assertFileContentsEqual(File actFile, String string)
+	private static void assertFileContentsEqual(File actFile, String string)
 			throws IOException {
 		ByteArrayOutputStream bos = new ByteArrayOutputStream();
 		FileInputStream fis = null;

org.eclipse.jgit.test/tst/org/eclipse/jgit/api/PullCommandWithRebaseTest.java

@@ -340,7 +340,8 @@ public class PullCommandWithRebaseTest extends RepositoryTestCase {
 		assertFileContentsEqual(targetFile, "Hello world");
 	}
 
-	private void writeToFile(File actFile, String string) throws IOException {
+	private static void writeToFile(File actFile, String string)
+			throws IOException {
 		FileOutputStream fos = null;
 		try {
 			fos = new FileOutputStream(actFile);
@@ -352,7 +353,7 @@ public class PullCommandWithRebaseTest extends RepositoryTestCase {
 		}
 	}
 
-	private void assertFileContentsEqual(File actFile, String string)
+	private static void assertFileContentsEqual(File actFile, String string)
 			throws IOException {
 		ByteArrayOutputStream bos = new ByteArrayOutputStream();
 		FileInputStream fis = null;

org.eclipse.jgit.test/tst/org/eclipse/jgit/diff/DiffFormatterTest.java

@@ -288,7 +288,8 @@ public class DiffFormatterTest extends RepositoryTestCase {
 		assertEquals(expected.toString(), actual);
 	}
 
-	private String makeDiffHeader(String pathA, String pathB, ObjectId aId,
+	private static String makeDiffHeader(String pathA, String pathB,
+			ObjectId aId,
 			ObjectId bId) {
 		String a = aId.abbreviate(8).name();
 		String b = bId.abbreviate(8).name();
@@ -298,7 +299,7 @@ public class DiffFormatterTest extends RepositoryTestCase {
 				"+++ b/" + pathB + "\n";
 	}
 
-	private String makeDiffHeaderModeChange(String pathA, String pathB,
+	private static String makeDiffHeaderModeChange(String pathA, String pathB,
 			ObjectId aId, ObjectId bId, String modeA, String modeB) {
 		String a = aId.abbreviate(8).name();
 		String b = bId.abbreviate(8).name();

org.eclipse.jgit.test/tst/org/eclipse/jgit/dircache/DirCacheCGitCompatabilityTest.java

@@ -227,11 +227,11 @@ public class DirCacheCGitCompatabilityTest extends LocalDiskRepositoryTestCase {
 		assertEquals(intentToAdd, entry.isIntentToAdd());
 	}
 
-	private File pathOf(final String name) {
+	private static File pathOf(final String name) {
 		return JGitTestUtil.getTestResourceFile(name);
 	}
 
-	private Map<String, CGitIndexRecord> readLsFiles() throws Exception {
+	private static Map<String, CGitIndexRecord> readLsFiles() throws Exception {
 		final LinkedHashMap<String, CGitIndexRecord> r = new LinkedHashMap<String, CGitIndexRecord>();
 		final BufferedReader br = new BufferedReader(new InputStreamReader(
 				new FileInputStream(pathOf("gitgit.lsfiles")), "UTF-8"));
@@ -247,7 +247,7 @@ public class DirCacheCGitCompatabilityTest extends LocalDiskRepositoryTestCase {
 		return r;
 	}
 
-	private Map<String, CGitLsTreeRecord> readLsTree() throws Exception {
+	private static Map<String, CGitLsTreeRecord> readLsTree() throws Exception {
 		final LinkedHashMap<String, CGitLsTreeRecord> r = new LinkedHashMap<String, CGitLsTreeRecord>();
 		final BufferedReader br = new BufferedReader(new InputStreamReader(
 				new FileInputStream(pathOf("gitgit.lstree")), "UTF-8"));

org.eclipse.jgit.test/tst/org/eclipse/jgit/dircache/DirCacheEntryTest.java

@@ -176,7 +176,7 @@ public class DirCacheEntryTest {
 		copyMetaDataHelper(true);
 	}
 
-	private void copyMetaDataHelper(final boolean keepStage) {
+	private static void copyMetaDataHelper(final boolean keepStage) {
 		DirCacheEntry e = new DirCacheEntry("some/path", DirCacheEntry.STAGE_2);
 		e.setAssumeValid(false);
 		e.setCreationTime(2L);

org.eclipse.jgit.test/tst/org/eclipse/jgit/fnmatch/FileNameMatcherTest.java

@@ -54,7 +54,7 @@ import org.junit.Test;
 
 public class FileNameMatcherTest {
 
-	private void assertMatch(final String pattern, final String input,
+	private static void assertMatch(final String pattern, final String input,
 			final boolean matchExpected, final boolean appendCanMatchExpected)
 			throws InvalidPatternException {
 		final FileNameMatcher matcher = new FileNameMatcher(pattern, null);
@@ -63,7 +63,8 @@ public class FileNameMatcherTest {
 		assertEquals(appendCanMatchExpected, matcher.canAppendMatch());
 	}
 
-	private void assertFileNameMatch(final String pattern, final String input,
+	private static void assertFileNameMatch(final String pattern,
+			final String input,
 			final char excludedCharacter, final boolean matchExpected,
 			final boolean appendCanMatchExpected)
 			throws InvalidPatternException {

org.eclipse.jgit.test/tst/org/eclipse/jgit/ignore/IgnoreMatcherTest.java

@@ -378,7 +378,7 @@ public class IgnoreMatcherTest {
 	 * @return
 	 * 			  Result of {@link IgnoreRule#isMatch(String, boolean)}
 	 */
-	private boolean match(String pattern, String target) {
+	private static boolean match(String pattern, String target) {
 		IgnoreRule r = new IgnoreRule(pattern);
 		//If speed of this test is ever an issue, we can use a presetRule field
 		//to avoid recompiling a pattern each time.

org.eclipse.jgit.test/tst/org/eclipse/jgit/lib/BranchConfigTest.java

@@ -144,7 +144,7 @@ public class BranchConfigTest {
 				branchConfig.getTrackingBranch());
 	}
 
-	private Config parse(final String content) {
+	private static Config parse(final String content) {
 		final Config c = new Config(null);
 		try {
 			c.fromText(content);

org.eclipse.jgit.test/tst/org/eclipse/jgit/lib/ConfigTest.java

@@ -465,17 +465,18 @@ public class ConfigTest {
 		assertEquals(result, config.toText());
 	}
 
-	private void assertReadLong(long exp) throws ConfigInvalidException {
+	private static void assertReadLong(long exp) throws ConfigInvalidException {
 		assertReadLong(exp, String.valueOf(exp));
 	}
 
-	private void assertReadLong(long exp, String act)
+	private static void assertReadLong(long exp, String act)
 			throws ConfigInvalidException {
 		final Config c = parse("[s]\na = " + act + "\n");
 		assertEquals(exp, c.getLong("s", null, "a", 0L));
 	}
 
-	private Config parse(final String content) throws ConfigInvalidException {
+	private static Config parse(final String content)
+			throws ConfigInvalidException {
 		final Config c = new Config(null);
 		c.fromText(content);
 		return c;

org.eclipse.jgit.test/tst/org/eclipse/jgit/lib/T0002_TreeTest.java

@@ -61,7 +61,8 @@ public class T0002_TreeTest extends SampleDataRepositoryTestCase {
 	private static final ObjectId SOME_FAKE_ID = ObjectId.fromString(
 			"0123456789abcdef0123456789abcdef01234567");
 
-	private int compareNamesUsingSpecialCompare(String a,String b) throws UnsupportedEncodingException {
+	private static int compareNamesUsingSpecialCompare(String a, String b)
+			throws UnsupportedEncodingException {
 		char lasta = '\0';
 		byte[] abytes;
 		if (a.length() > 0 && a.charAt(a.length()-1) == '/') {

org.eclipse.jgit.test/tst/org/eclipse/jgit/merge/CherryPickTest.java

@@ -183,12 +183,13 @@ public class CherryPickTest extends RepositoryTestCase {
 		assertFalse(tw.next());
 	}
 
-	private void assertCorrectId(final DirCache treeT, final TreeWalk tw) {
+	private static void assertCorrectId(final DirCache treeT, final TreeWalk tw) {
 		assertEquals(treeT.getEntry(tw.getPathString()).getObjectId(), tw
 				.getObjectId(0));
 	}
 
-	private ObjectId commit(final ObjectInserter odi, final DirCache treeB,
+	private static ObjectId commit(final ObjectInserter odi,
+			final DirCache treeB,
 			final ObjectId[] parentIds) throws Exception {
 		final CommitBuilder c = new CommitBuilder();
 		c.setTreeId(treeB.writeTree(odi));

org.eclipse.jgit.test/tst/org/eclipse/jgit/merge/SimpleMergeTest.java

@@ -373,12 +373,13 @@ public class SimpleMergeTest extends SampleDataRepositoryTestCase {
 		assertFalse(merge);
 	}
 
-	private void assertCorrectId(final DirCache treeT, final TreeWalk tw) {
+	private static void assertCorrectId(final DirCache treeT, final TreeWalk tw) {
 		assertEquals(treeT.getEntry(tw.getPathString()).getObjectId(), tw
 				.getObjectId(0));
 	}
 
-	private ObjectId commit(final ObjectInserter odi, final DirCache treeB,
+	private static ObjectId commit(final ObjectInserter odi,
+			final DirCache treeB,
 			final ObjectId[] parentIds) throws Exception {
 		final CommitBuilder c = new CommitBuilder();
 		c.setTreeId(treeB.writeTree(odi));

org.eclipse.jgit.test/tst/org/eclipse/jgit/storage/file/FileSnapshotTest.java

@@ -68,7 +68,7 @@ public class FileSnapshotTest {
 		FileUtils.delete(trash, FileUtils.RECURSIVE | FileUtils.SKIP_MISSING);
 	}
 
-	private void waitNextSec(File f) {
+	private static void waitNextSec(File f) {
 		long initialLastModified = f.lastModified();
 		do {
 			f.setLastModified(System.currentTimeMillis());
@@ -144,7 +144,7 @@ public class FileSnapshotTest {
 		return f;
 	}
 
-	private void append(File f, byte b) throws IOException {
+	private static void append(File f, byte b) throws IOException {
 		FileOutputStream os = new FileOutputStream(f, true);
 		try {
 			os.write(b);

org.eclipse.jgit.test/tst/org/eclipse/jgit/storage/file/PackFileTest.java

@@ -303,14 +303,14 @@ public class PackFileTest extends LocalDiskRepositoryTestCase {
 		in.close();
 	}
 
-	private byte[] clone(int first, byte[] base) {
+	private static byte[] clone(int first, byte[] base) {
 		byte[] r = new byte[base.length];
 		System.arraycopy(base, 1, r, 1, r.length - 1);
 		r[0] = (byte) first;
 		return r;
 	}
 
-	private byte[] delta(byte[] base, byte[] dest) throws IOException {
+	private static byte[] delta(byte[] base, byte[] dest) throws IOException {
 		ByteArrayOutputStream tmp = new ByteArrayOutputStream();
 		DeltaEncoder de = new DeltaEncoder(tmp, base.length, dest.length);
 		de.insert(dest, 0, 1);
@@ -318,7 +318,7 @@ public class PackFileTest extends LocalDiskRepositoryTestCase {
 		return tmp.toByteArray();
 	}
 
-	private void packHeader(TemporaryBuffer.Heap pack, int cnt)
+	private static void packHeader(TemporaryBuffer.Heap pack, int cnt)
 			throws IOException {
 		final byte[] hdr = new byte[8];
 		NB.encodeInt32(hdr, 0, 2);
@@ -327,7 +327,7 @@ public class PackFileTest extends LocalDiskRepositoryTestCase {
 		pack.write(hdr, 0, 8);
 	}
 
-	private void objectHeader(TemporaryBuffer.Heap pack, int type, int sz)
+	private static void objectHeader(TemporaryBuffer.Heap pack, int type, int sz)
 			throws IOException {
 		byte[] buf = new byte[8];
 		int nextLength = sz >>> 4;
@@ -342,7 +342,7 @@ public class PackFileTest extends LocalDiskRepositoryTestCase {
 		pack.write(buf, 0, n);
 	}
 
-	private void deflate(TemporaryBuffer.Heap pack, final byte[] content)
+	private static void deflate(TemporaryBuffer.Heap pack, final byte[] content)
 			throws IOException {
 		final Deflater deflater = new Deflater();
 		final byte[] buf = new byte[128];
@@ -356,7 +356,7 @@ public class PackFileTest extends LocalDiskRepositoryTestCase {
 		deflater.end();
 	}
 
-	private void digest(TemporaryBuffer.Heap buf) throws IOException {
+	private static void digest(TemporaryBuffer.Heap buf) throws IOException {
 		MessageDigest md = Constants.newMessageDigest();
 		md.update(buf.toByteArray());
 		buf.write(md.digest());

org.eclipse.jgit.test/tst/org/eclipse/jgit/storage/file/PackWriterTest.java

@@ -479,7 +479,7 @@ public class PackWriterTest extends SampleDataRepositoryTestCase {
 						contentB.getId()));
 	}
 
-	private void assertContent(PackIndex pi, List<ObjectId> expected) {
+	private static void assertContent(PackIndex pi, List<ObjectId> expected) {
 		assertEquals("Pack index has wrong size.", expected.size(),
 				pi.getObjectCount());
 		for (int i = 0; i < pi.getObjectCount(); i++)
@@ -489,7 +489,7 @@ public class PackWriterTest extends SampleDataRepositoryTestCase {
 					expected.contains(pi.getObjectId(i)));
 	}
 
-	private PackIndex writePack(FileRepository repo,
+	private static PackIndex writePack(FileRepository repo,
 			Set<? extends ObjectId> want, Set<PackIndex> excludeObjects)
 			throws IOException {
 		PackWriter pw = new PackWriter(repo);

org.eclipse.jgit.test/tst/org/eclipse/jgit/storage/file/RefUpdateTest.java

@@ -863,7 +863,7 @@ public class RefUpdateTest extends SampleDataRepositoryTestCase {
 				"HEAD").getReverseEntries().get(0).getComment());
 	}
 
-	private void writeReflog(Repository db, ObjectId newId, String msg,
+	private static void writeReflog(Repository db, ObjectId newId, String msg,
 			String refName) throws IOException {
 		RefDirectory refs = (RefDirectory) db.getRefDatabase();
 		RefDirectoryUpdate update = refs.newUpdate(refName, true);

org.eclipse.jgit.test/tst/org/eclipse/jgit/storage/file/ReflogReaderTest.java

@@ -110,7 +110,7 @@ public class ReflogReaderTest extends SampleDataRepositoryTestCase {
 				e.getComment());
 	}
 
-	private String iso(PersonIdent id) {
+	private static String iso(PersonIdent id) {
 		final SimpleDateFormat fmt;
 		fmt = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss");
 		fmt.setTimeZone(id.getTimeZone());

org.eclipse.jgit.test/tst/org/eclipse/jgit/storage/file/RepositorySetupWorkDirTest.java

@@ -183,7 +183,7 @@ public class RepositorySetupWorkDirTest extends LocalDiskRepositoryTestCase {
 		}
 	}
 
-	private File getFile(String... pathComponents) throws IOException {
+	private static File getFile(String... pathComponents) throws IOException {
 		String rootPath = new File(new File("target"), "trash").getPath();
 		for (String pathComponent : pathComponents)
 			rootPath = rootPath + File.separatorChar + pathComponent;
@@ -192,7 +192,7 @@ public class RepositorySetupWorkDirTest extends LocalDiskRepositoryTestCase {
 		return result;
 	}
 
-	private void setBare(File gitDir, boolean bare) throws IOException,
+	private static void setBare(File gitDir, boolean bare) throws IOException,
 			ConfigInvalidException {
 		FileBasedConfig cfg = configFor(gitDir);
 		cfg.setBoolean(ConfigConstants.CONFIG_CORE_SECTION, null,
@@ -200,7 +200,8 @@ public class RepositorySetupWorkDirTest extends LocalDiskRepositoryTestCase {
 		cfg.save();
 	}
 
-	private void setWorkTree(File gitDir, File workTree) throws IOException,
+	private static void setWorkTree(File gitDir, File workTree)
+			throws IOException,
 			ConfigInvalidException {
 		String path = workTree.getAbsolutePath();
 		FileBasedConfig cfg = configFor(gitDir);
@@ -209,7 +210,7 @@ public class RepositorySetupWorkDirTest extends LocalDiskRepositoryTestCase {
 		cfg.save();
 	}
 
-	private FileBasedConfig configFor(File gitDir) throws IOException,
+	private static FileBasedConfig configFor(File gitDir) throws IOException,
 			ConfigInvalidException {
 		File configPath = new File(gitDir, Constants.CONFIG);
 		FileBasedConfig cfg = new FileBasedConfig(configPath, FS.DETECTED);
@@ -217,14 +218,14 @@ public class RepositorySetupWorkDirTest extends LocalDiskRepositoryTestCase {
 		return cfg;
 	}
 
-	private void assertGitdirPath(Repository repo, String... expected)
+	private static void assertGitdirPath(Repository repo, String... expected)
 			throws IOException {
 		File exp = getFile(expected).getCanonicalFile();
 		File act = repo.getDirectory().getCanonicalFile();
 		assertEquals("Wrong Git Directory", exp, act);
 	}
 
-	private void assertWorkdirPath(Repository repo, String... expected)
+	private static void assertWorkdirPath(Repository repo, String... expected)
 			throws IOException {
 		File exp = getFile(expected).getCanonicalFile();
 		File act = repo.getWorkTree().getCanonicalFile();

org.eclipse.jgit.test/tst/org/eclipse/jgit/storage/file/UnpackedObjectTest.java

@@ -520,14 +520,14 @@ public class UnpackedObjectTest extends LocalDiskRepositoryTestCase {
 		}
 	}
 
-	private byte[] compressStandardFormat(int type, byte[] data)
+	private static byte[] compressStandardFormat(int type, byte[] data)
 			throws IOException {
 		String typeString = Constants.typeString(type);
 		String length = String.valueOf(data.length);
 		return compressStandardFormat(typeString, length, data);
 	}
 
-	private byte[] compressStandardFormat(String type, String length,
+	private static byte[] compressStandardFormat(String type, String length,
 			byte[] data) throws IOException {
 		ByteArrayOutputStream out = new ByteArrayOutputStream();
 		DeflaterOutputStream d = new DeflaterOutputStream(out);
@@ -540,7 +540,8 @@ public class UnpackedObjectTest extends LocalDiskRepositoryTestCase {
 		return out.toByteArray();
 	}
 
-	private byte[] compressPackFormat(int type, byte[] data) throws IOException {
+	private static byte[] compressPackFormat(int type, byte[] data)
+			throws IOException {
 		byte[] hdr = new byte[64];
 		int rawLength = data.length;
 		int nextLength = rawLength >>> 4;

org.eclipse.jgit.test/tst/org/eclipse/jgit/storage/file/WindowCacheGetTest.java

@@ -126,7 +126,7 @@ public class WindowCacheGetTest extends SampleDataRepositoryTestCase {
 		checkLimits(cfg);
 	}
 
-	private void checkLimits(final WindowCacheConfig cfg) {
+	private static void checkLimits(final WindowCacheConfig cfg) {
 		final WindowCache cache = WindowCache.getInstance();
 		assertTrue(cache.getOpenFiles() <= cfg.getPackedGitOpenFiles());
 		assertTrue(cache.getOpenBytes() <= cfg.getPackedGitLimit());

org.eclipse.jgit.test/tst/org/eclipse/jgit/transport/BundleWriterTest.java

@@ -140,7 +140,7 @@ public class BundleWriterTest extends SampleDataRepositoryTestCase {
 		}
 	}
 
-	private FetchResult fetchFromBundle(final Repository newRepo,
+	private static FetchResult fetchFromBundle(final Repository newRepo,
 			final byte[] bundle) throws URISyntaxException,
 			NotSupportedException, TransportException {
 		final URIish uri = new URIish("in-memory://");

org.eclipse.jgit.test/tst/org/eclipse/jgit/transport/PackParserTest.java

@@ -452,7 +452,7 @@ public class PackParserTest extends RepositoryTestCase {
 		assertEquals(0x7e, in.read());
 	}
 
-	private void packHeader(TemporaryBuffer.Heap tinyPack, int cnt)
+	private static void packHeader(TemporaryBuffer.Heap tinyPack, int cnt)
 			throws IOException {
 		final byte[] hdr = new byte[8];
 		NB.encodeInt32(hdr, 0, 2);
@@ -462,7 +462,8 @@ public class PackParserTest extends RepositoryTestCase {
 		tinyPack.write(hdr, 0, 8);
 	}
 
-	private void deflate(TemporaryBuffer.Heap tinyPack, final byte[] content)
+	private static void deflate(TemporaryBuffer.Heap tinyPack,
+			final byte[] content)
 			throws IOException {
 		final Deflater deflater = new Deflater();
 		final byte[] buf = new byte[128];
@@ -475,7 +476,7 @@ public class PackParserTest extends RepositoryTestCase {
 		} while (!deflater.finished());
 	}
 
-	private void digest(TemporaryBuffer.Heap buf) throws IOException {
+	private static void digest(TemporaryBuffer.Heap buf) throws IOException {
 		MessageDigest md = Constants.newMessageDigest();
 		md.update(buf.toByteArray());
 		buf.write(md.digest());

org.eclipse.jgit.test/tst/org/eclipse/jgit/transport/ReceivePackAdvertiseRefsHookTest.java

@@ -283,7 +283,7 @@ public class ReceivePackAdvertiseRefsHookTest extends LocalDiskRepositoryTestCas
 		assertSame(PacketLineIn.END, r.readString());
 	}
 
-	private void receive(final ReceivePack rp,
+	private static void receive(final ReceivePack rp,
 			final TemporaryBuffer.Heap inBuf, final TemporaryBuffer.Heap outBuf)
 			throws IOException {
 		rp.receive(new ByteArrayInputStream(inBuf.toByteArray()), outBuf, null);
@@ -490,7 +490,7 @@ public class ReceivePackAdvertiseRefsHookTest extends LocalDiskRepositoryTestCas
 		assertSame(PacketLineIn.END, r.readString());
 	}
 
-	private void packHeader(TemporaryBuffer.Heap tinyPack, int cnt)
+	private static void packHeader(TemporaryBuffer.Heap tinyPack, int cnt)
 			throws IOException {
 		final byte[] hdr = new byte[8];
 		NB.encodeInt32(hdr, 0, 2);
@@ -500,7 +500,7 @@ public class ReceivePackAdvertiseRefsHookTest extends LocalDiskRepositoryTestCas
 		tinyPack.write(hdr, 0, 8);
 	}
 
-	private void copy(TemporaryBuffer.Heap tinyPack, ObjectLoader ldr)
+	private static void copy(TemporaryBuffer.Heap tinyPack, ObjectLoader ldr)
 			throws IOException {
 		final byte[] buf = new byte[64];
 		final byte[] content = ldr.getCachedBytes();
@@ -519,7 +519,8 @@ public class ReceivePackAdvertiseRefsHookTest extends LocalDiskRepositoryTestCas
 		deflate(tinyPack, content);
 	}
 
-	private void deflate(TemporaryBuffer.Heap tinyPack, final byte[] content)
+	private static void deflate(TemporaryBuffer.Heap tinyPack,
+			final byte[] content)
 			throws IOException {
 		final Deflater deflater = new Deflater();
 		final byte[] buf = new byte[128];
@@ -532,7 +533,7 @@ public class ReceivePackAdvertiseRefsHookTest extends LocalDiskRepositoryTestCas
 		} while (!deflater.finished());
 	}
 
-	private void digest(TemporaryBuffer.Heap buf) throws IOException {
+	private static void digest(TemporaryBuffer.Heap buf) throws IOException {
 		MessageDigest md = Constants.newMessageDigest();
 		md.update(buf.toByteArray());
 		buf.write(md.digest());

org.eclipse.jgit.test/tst/org/eclipse/jgit/treewalk/FileTreeIteratorTest.java

@@ -462,7 +462,7 @@ public class FileTreeIteratorTest extends RepositoryTestCase {
 		assertFalse(tw.next());
 	}
 
-	private void assertEntry(String sha1string, String path, TreeWalk tw)
+	private static void assertEntry(String sha1string, String path, TreeWalk tw)
 			throws MissingObjectException, IncorrectObjectTypeException,
 			CorruptObjectException, IOException {
 		assertTrue(tw.next());

org.eclipse.jgit.test/tst/org/eclipse/jgit/treewalk/TreeWalkBasicDiffTest.java

@@ -58,6 +58,7 @@ import org.eclipse.jgit.lib.Tree;
 import org.eclipse.jgit.treewalk.filter.TreeFilter;
 import org.junit.Test;
 
+@SuppressWarnings("deprecation")
 public class TreeWalkBasicDiffTest extends RepositoryTestCase {
 	@Test
 	public void testMissingSubtree_DetectFileAdded_FileModified()

org.eclipse.jgit.test/tst/org/eclipse/jgit/treewalk/filter/IndexDiffFilterTest.java

@@ -619,7 +619,7 @@ public class IndexDiffFilterTest extends RepositoryTestCase {
 		return treeWalk;
 	}
 
-	private void assertPaths(TreeWalk treeWalk, String... paths)
+	private static void assertPaths(TreeWalk treeWalk, String... paths)
 			throws Exception {
 		for (int i = 0; i < paths.length; i++) {
 			assertTrue(treeWalk.next());
@@ -628,7 +628,7 @@ public class IndexDiffFilterTest extends RepositoryTestCase {
 		assertFalse(treeWalk.next());
 	}
 
-	private void assertPath(String path, String... paths) {
+	private static void assertPath(String path, String... paths) {
 		for (String p : paths)
 			if (p.equals(path))
 				return;

org.eclipse.jgit.test/tst/org/eclipse/jgit/util/QuotedStringGitPathStyleTest.java

@@ -157,7 +157,7 @@ public class QuotedStringGitPathStyleTest {
 		}
 	}
 
-	private String octalEscape(int i) {
+	private static String octalEscape(int i) {
 		String s = Integer.toOctalString(i);
 		while (s.length() < 3) {
 			s = "0" + s;

org.eclipse.jgit.test/tst/org/eclipse/jgit/util/RawParseUtils_ParsePersonIdentTest.java

@@ -137,7 +137,7 @@ public class RawParseUtils_ParsePersonIdentTest {
 		assertPersonIdent("Me <me@example.com 1234567890 -0700", null);
 	}
 
-	private void assertPersonIdent(String line, PersonIdent expected) {
+	private static void assertPersonIdent(String line, PersonIdent expected) {
 		PersonIdent actual = RawParseUtils.parsePersonIdent(line);
 		assertEquals(expected, actual);
 	}

org.eclipse.jgit.test/tst/org/eclipse/jgit/util/RefListTest.java

@@ -450,7 +450,7 @@ public class RefListTest {
 		assertSame(REF_B, two.get(0));
 	}
 
-	private RefList<Ref> toList(Ref... refs) {
+	private static RefList<Ref> toList(Ref... refs) {
 		RefList.Builder<Ref> b = new RefList.Builder<Ref>(refs.length);
 		b.addAll(refs, 0, refs.length);
 		return b.toRefList();

org.eclipse.jgit.test/tst/org/eclipse/jgit/util/RefMapTest.java

@@ -480,7 +480,7 @@ public class RefMapTest {
 		assertEquals(1, map.size());
 	}
 
-	private RefList<Ref> toList(Ref... refs) {
+	private static RefList<Ref> toList(Ref... refs) {
 		RefList.Builder<Ref> b = new RefList.Builder<Ref>(refs.length);
 		b.addAll(refs, 0, refs.length);
 		return b.toRefList();

org.eclipse.jgit.test/tst/org/eclipse/jgit/util/RelativeDateFormatterTest.java

@@ -63,7 +63,7 @@ public class RelativeDateFormatterTest {
 		SystemReader.setInstance(new MockSystemReader());
 	}
 
-	private void assertFormat(long ageFromNow, long timeUnit,
+	private static void assertFormat(long ageFromNow, long timeUnit,
 			String expectedFormat) {
 		Date d = new Date(SystemReader.getInstance().getCurrentTime()
 				- ageFromNow * timeUnit);

org.eclipse.jgit.test/tst/org/eclipse/jgit/util/io/EolCanonicalizingInputStreamTest.java

@@ -94,7 +94,8 @@ public class EolCanonicalizingInputStreamTest {
 		test(asBytes("1\r\n2\r\n3\0"), asBytes("1\n2\n3\0"), false);
 	}
 
-	private void test(byte[] input, byte[] expected, boolean detectBinary) throws IOException {
+	private static void test(byte[] input, byte[] expected,
+			boolean detectBinary) throws IOException {
 		final InputStream bis1 = new ByteArrayInputStream(input);
 		final InputStream cis1 = new EolCanonicalizingInputStream(bis1, detectBinary);
 		int index1 = 0;

org.eclipse.jgit.ui/src/org/eclipse/jgit/awtui/AwtCredentialsProvider.java

@@ -135,7 +135,7 @@ public class AwtCredentialsProvider extends CredentialsProvider {
 		}
 	}
 
-	private boolean interactive(URIish uri, CredentialItem[] items) {
+	private static boolean interactive(URIish uri, CredentialItem[] items) {
 		final GridBagConstraints gbc = new GridBagConstraints(0, 0, 1, 1, 1, 1,
 				GridBagConstraints.NORTHWEST, GridBagConstraints.NONE,
 				new Insets(0, 0, 0, 0), 0, 0);