Apply some IDE suggestions

Author: centic9

src/main/java/org/dstadler/jgit/porcelain/FetchRemoteCommitsWithSshAuth.java

@@ -2,15 +2,13 @@
 
 import com.jcraft.jsch.JSch;
 import com.jcraft.jsch.JSchException;
-import com.jcraft.jsch.Session;
 import org.eclipse.jgit.api.Git;
 import org.eclipse.jgit.api.LsRemoteCommand;
 import org.eclipse.jgit.api.errors.GitAPIException;
 import org.eclipse.jgit.lib.Ref;
 import org.eclipse.jgit.transport.SshSessionFactory;
 import org.eclipse.jgit.transport.SshTransport;
 import org.eclipse.jgit.transport.ssh.jsch.JschConfigSessionFactory;
-import org.eclipse.jgit.transport.ssh.jsch.OpenSshConfig;
 import org.eclipse.jgit.util.FS;
 
 import java.util.Map;
@@ -32,10 +30,6 @@ public class FetchRemoteCommitsWithSshAuth {
     public static void main(String[] args) throws GitAPIException {
 
         final SshSessionFactory sshSessionFactory = new JschConfigSessionFactory() {
-            @Override
-            protected void configure(OpenSshConfig.Host host, Session session) {
-            }
-
             @Override
             protected JSch createDefaultJSch(FS fs) throws JSchException {
                 JSch defaultJSch = super.createDefaultJSch(fs);

src/main/java/org/dstadler/jgit/porcelain/PushToRemoteRepository.java

@@ -27,7 +27,6 @@
 
 import java.io.File;
 import java.io.IOException;
-import java.nio.charset.StandardCharsets;
 import java.nio.file.Files;
 
 
@@ -95,7 +94,7 @@ public static void main(String[] args) throws IOException, GitAPIException {
     private static void createCommit(Repository repository, Git git, String fileName, String content) throws IOException, GitAPIException {
         // create the file
         File myFile = new File(repository.getDirectory().getParent(), fileName);
-        Files.write(myFile.toPath(), content.getBytes(StandardCharsets.UTF_8));
+        Files.writeString(myFile.toPath(), content);
 
         // run the add
         git.add()

src/main/java/org/dstadler/jgit/porcelain/RevertChanges.java

@@ -41,7 +41,7 @@ public static void main(String[] args) throws IOException, GitAPIException {
 
                 // write some initial text to it
                 String initialText = "Initial Text";
-                System.out.println("Writing text [" + initialText + "] to file [" + tempFile.toString() + "]");
+                System.out.println("Writing text [" + initialText + "] to file [" + tempFile + "]");
                 Files.write(tempFilePath, initialText.getBytes());
 
                 // add the file and commit it

src/main/java/org/dstadler/jgit/unfinished/UpdateIndex.java

@@ -16,11 +16,6 @@
    limitations under the License.
  */
 
-import java.io.File;
-import java.io.IOException;
-import java.util.Date;
-import java.util.Set;
-
 import org.apache.commons.io.FileUtils;
 import org.dstadler.jgit.helper.CookbookHelper;
 import org.eclipse.jgit.api.Git;
@@ -33,6 +28,11 @@
 import org.eclipse.jgit.errors.NoWorkTreeException;
 import org.eclipse.jgit.lib.Repository;
 
+import java.io.File;
+import java.io.IOException;
+import java.util.Date;
+import java.util.Set;
+
 /**
  * Note: This snippet is not done and likely does not show anything useful yet
  *
@@ -78,7 +78,7 @@ private static class AssumeChangedCommand extends GitCommand<String> {
 		}
 
 		@Override
-		public String call() throws GitAPIException {
+		public String call() {
 			try {
 				DirCache index = repo.lockDirCache();
 				DirCacheEntry entry = index.getEntry(fileName);