From 4a69998080bd01180c5e46e4f4fd2c50586fea80 Mon Sep 17 00:00:00 2001
From: James Moger <james.moger@gitblit.com>
Date: Thu, 10 Apr 2014 18:58:09 -0400
Subject: [PATCH] Integrate a patched version of FlipTables and improve ls output

---
 src/main/java/com/gitblit/transport/ssh/SshKey.java                         |   46 ++--
 src/main/java/com/gitblit/utils/FlipTable.java                              |  211 +++++++++++++++++++++++
 src/main/java/com/gitblit/transport/ssh/gitblit/ProjectsDispatcher.java     |   57 ++++--
 src/main/java/com/gitblit/transport/ssh/gitblit/RepositoriesDispatcher.java |   83 ++++++--
 src/main/java/com/gitblit/transport/ssh/gitblit/KeysDispatcher.java         |   36 +++-
 src/main/java/com/gitblit/transport/ssh/gitblit/UsersDispatcher.java        |   75 +++++--
 6 files changed, 414 insertions(+), 94 deletions(-)

diff --git a/src/main/java/com/gitblit/transport/ssh/SshKey.java b/src/main/java/com/gitblit/transport/ssh/SshKey.java
index cac6c41..498b6bd 100644
--- a/src/main/java/com/gitblit/transport/ssh/SshKey.java
+++ b/src/main/java/com/gitblit/transport/ssh/SshKey.java
@@ -28,6 +28,8 @@
 
 	private String fingerprint;
 
+	private String toString;
+
 	public SshKey(String data) {
 		this.rawData = data;
 	}
@@ -96,12 +98,6 @@
 	public String getFingerprint() {
 		if (fingerprint == null) {
 			StringBuilder sb = new StringBuilder();
-			// TODO append the keysize
-			int keySize = 0;
-			if (keySize > 0) {
-				sb.append(keySize).append(' ');
-			}
-
 			// append the key hash as colon-separated pairs
 			String hash;
 			if (rawData != null) {
@@ -116,19 +112,6 @@
 				sb.append(hash.charAt(i)).append(hash.charAt(i + 1)).append(':');
 			}
 			sb.setLength(sb.length() - 1);
-
-			// append the comment
-			String c = getComment();
-			if (!StringUtils.isEmpty(c)) {
-				sb.append(' ');
-				sb.append(c);
-			}
-
-			// append the algorithm
-			String alg = getAlgorithm();
-			if (!StringUtils.isEmpty(alg)) {
-				sb.append(" (").append(alg).append(")");
-			}
 			fingerprint = sb.toString();
 		}
 		return fingerprint;
@@ -151,6 +134,29 @@
 
 	@Override
 	public String toString() {
-		return getFingerprint();
+		if (toString == null) {
+			StringBuilder sb = new StringBuilder();
+			// TODO append the keysize
+			int keySize = 0;
+			if (keySize > 0) {
+				sb.append(keySize).append(' ');
+			}
+			// append fingerprint
+			sb.append(' ');
+			sb.append(getFingerprint());
+			// append the comment
+			String c = getComment();
+			if (!StringUtils.isEmpty(c)) {
+				sb.append(' ');
+				sb.append(c);
+			}
+			// append algorithm
+			String alg = getAlgorithm();
+			if (!StringUtils.isEmpty(alg)) {
+				sb.append(" (").append(alg).append(")");
+			}
+			toString = sb.toString();
+		}
+		return toString;
 	}
 }
diff --git a/src/main/java/com/gitblit/transport/ssh/gitblit/KeysDispatcher.java b/src/main/java/com/gitblit/transport/ssh/gitblit/KeysDispatcher.java
index 52fa875..b8c18a0 100644
--- a/src/main/java/com/gitblit/transport/ssh/gitblit/KeysDispatcher.java
+++ b/src/main/java/com/gitblit/transport/ssh/gitblit/KeysDispatcher.java
@@ -30,6 +30,8 @@
 import com.gitblit.transport.ssh.commands.CommandMetaData;
 import com.gitblit.transport.ssh.commands.DispatchCommand;
 import com.gitblit.transport.ssh.commands.SshCommand;
+import com.gitblit.utils.FlipTable;
+import com.gitblit.utils.FlipTable.Borders;
 
 /**
  * The dispatcher and it's commands for SSH public key management.
@@ -144,16 +146,32 @@
 				stdout.println("You have not registered any public keys for ssh authentication.");
 				return;
 			}
-			for (int i = 0; i < keys.size(); i++) {
-				if (showRaw) {
-					// output in the same format as authorized_keys
-					stdout.println(keys.get(i).getRawData());
-				} else {
-					// show 1-based index numbers with the fingerprint
-					// this is useful for comparing with "ssh-add -l"
-					stdout.println("#" + (i + 1) + ": " + keys.get(i).getFingerprint());
-				}
+
+			if (showRaw) {
+				asRaw(keys);
+			} else {
+				asTable(keys);
 			}
 		}
+
+		/* output in the same format as authorized_keys */
+		protected void asRaw(List<SshKey> keys) {
+			for (SshKey key : keys) {
+				stdout.println(key.getRawData());
+			}
+		}
+
+		protected void asTable(List<SshKey> keys) {
+			String[] headers = { "#", "Fingerprint", "Comment", "Type" };
+			String[][] data = new String[keys.size()][];
+			for (int i = 0; i < keys.size(); i++) {
+				// show 1-based index numbers with the fingerprint
+				// this is useful for comparing with "ssh-add -l"
+				SshKey k = keys.get(i);
+				data[i] = new String[] { "" + (i + 1), k.getFingerprint(), k.getComment(), k.getAlgorithm() };
+			}
+
+			stdout.println(FlipTable.of(headers, data, Borders.BODY_COLS));
+		}
 	}
 }
diff --git a/src/main/java/com/gitblit/transport/ssh/gitblit/ProjectsDispatcher.java b/src/main/java/com/gitblit/transport/ssh/gitblit/ProjectsDispatcher.java
index cd68754..926d480 100644
--- a/src/main/java/com/gitblit/transport/ssh/gitblit/ProjectsDispatcher.java
+++ b/src/main/java/com/gitblit/transport/ssh/gitblit/ProjectsDispatcher.java
@@ -15,12 +15,10 @@
  */
 package com.gitblit.transport.ssh.gitblit;
 
-import java.text.MessageFormat;
 import java.text.SimpleDateFormat;
 import java.util.List;
 
 import org.kohsuke.args4j.Option;
-import org.parboiled.common.StringUtils;
 
 import com.gitblit.manager.IGitblit;
 import com.gitblit.models.ProjectModel;
@@ -28,6 +26,8 @@
 import com.gitblit.transport.ssh.commands.CommandMetaData;
 import com.gitblit.transport.ssh.commands.DispatchCommand;
 import com.gitblit.transport.ssh.commands.SshCommand;
+import com.gitblit.utils.FlipTable;
+import com.gitblit.utils.FlipTable.Borders;
 
 @CommandMetaData(name = "projects", description = "Project management commands")
 public class ProjectsDispatcher extends DispatchCommand {
@@ -44,36 +44,57 @@
 		@Option(name = "--verbose", aliases = { "-v" }, usage = "verbose")
 		private boolean verbose;
 
+		@Option(name = "--tabbed", aliases = { "-t" }, usage = "as tabbed output")
+		private boolean tabbed;
+
 		@Override
 		public void run() {
 			IGitblit gitblit = getContext().getGitblit();
 			UserModel user = getContext().getClient().getUser();
-			SimpleDateFormat df = new SimpleDateFormat("yyyy-MM-dd");
 
 			List<ProjectModel> projects = gitblit.getProjectModels(user, false);
-			int nameLen = 0;
-			int descLen = 0;
-			for (ProjectModel project : projects) {
-				int len = project.name.length();
-				if (len > nameLen) {
-					nameLen = len;
-				}
-				if (!StringUtils.isEmpty(project.description)) {
-					len = project.description.length();
-					if (len > descLen) {
-						descLen = len;
-					}
-				}
+
+			if (tabbed) {
+				asTabbed(projects);
+			} else {
+				asTable(projects);
+			}
+		}
+
+		protected void asTable(List<ProjectModel> list) {
+			String[] headers;
+			if (verbose) {
+				String[] h = { "Name", "Description", "Last Modified", "# Repos" };
+				headers = h;
+			} else {
+				String[] h = { "Name", "Description" };
+				headers = h;
 			}
 
+			SimpleDateFormat df = new SimpleDateFormat("yyyy-MM-dd");
+			String[][] data = new String[list.size()][];
+			for (int i = 0; i < list.size(); i++) {
+				ProjectModel p = list.get(i);
+
+				if (verbose) {
+					data[i] = new String[] { p.name, p.description, df.format(p.lastChange), "" + p.repositories.size() };
+				} else {
+					data[i] = new String[] { p.name, p.description };
+				}
+			}
+			stdout.println(FlipTable.of(headers, data, Borders.BODY_COLS));
+		}
+
+		protected void asTabbed(List<ProjectModel> list) {
 			String pattern;
 			if (verbose) {
-				pattern = MessageFormat.format("%-{0,number,0}s\t%-{1,number,0}s\t%s", nameLen, descLen);
+				pattern = "%s\t%s\t%s";
 			} else {
 				pattern = "%s";
 			}
 
-			for (ProjectModel project : projects) {
+			SimpleDateFormat df = new SimpleDateFormat("yyyy-MM-dd");
+			for (ProjectModel project : list) {
 				stdout.println(String.format(pattern,
 						project.name,
 						project.description == null ? "" : project.description,
diff --git a/src/main/java/com/gitblit/transport/ssh/gitblit/RepositoriesDispatcher.java b/src/main/java/com/gitblit/transport/ssh/gitblit/RepositoriesDispatcher.java
index 3aaed54..30f7393 100644
--- a/src/main/java/com/gitblit/transport/ssh/gitblit/RepositoriesDispatcher.java
+++ b/src/main/java/com/gitblit/transport/ssh/gitblit/RepositoriesDispatcher.java
@@ -15,12 +15,10 @@
  */
 package com.gitblit.transport.ssh.gitblit;
 
-import java.text.MessageFormat;
 import java.text.SimpleDateFormat;
 import java.util.List;
 
 import org.kohsuke.args4j.Option;
-import org.parboiled.common.StringUtils;
 
 import com.gitblit.manager.IGitblit;
 import com.gitblit.models.RepositoryModel;
@@ -28,6 +26,10 @@
 import com.gitblit.transport.ssh.commands.CommandMetaData;
 import com.gitblit.transport.ssh.commands.DispatchCommand;
 import com.gitblit.transport.ssh.commands.SshCommand;
+import com.gitblit.utils.ArrayUtils;
+import com.gitblit.utils.FlipTable;
+import com.gitblit.utils.FlipTable.Borders;
+import com.google.common.base.Joiner;
 
 @CommandMetaData(name = "repositories", aliases = { "repos" }, description = "Repository management commands")
 public class RepositoriesDispatcher extends DispatchCommand {
@@ -44,40 +46,77 @@
 		@Option(name = "--verbose", aliases = { "-v" }, usage = "verbose")
 		private boolean verbose;
 
+		@Option(name = "--tabbed", aliases = { "-t" }, usage = "as tabbed output")
+		private boolean tabbed;
+
 		@Override
 		public void run() {
 			IGitblit gitblit = getContext().getGitblit();
 			UserModel user = getContext().getClient().getUser();
-			SimpleDateFormat df = new SimpleDateFormat("yyyy-MM-dd");
 
 			List<RepositoryModel> repositories = gitblit.getRepositoryModels(user);
-			int nameLen = 0;
-			int descLen = 0;
-			for (RepositoryModel repo : repositories) {
-				int len = repo.name.length();
-				if (len > nameLen) {
-					nameLen = len;
-				}
-				if (!StringUtils.isEmpty(repo.description)) {
-					len = repo.description.length();
-					if (len > descLen) {
-						descLen = len;
-					}
-				}
+			if (tabbed) {
+				asTabbed(repositories);
+			} else {
+				asTable(repositories);
+			}
+		}
+
+		protected void asTable(List<RepositoryModel> list) {
+			SimpleDateFormat df = new SimpleDateFormat("yyyy-MM-dd");
+			String[] headers;
+			if (verbose) {
+				String[] h = { "Name", "Description", "Owners", "Last Modified", "Size" };
+				headers = h;
+			} else {
+				String[] h = { "Name", "Description" };
+				headers = h;
 			}
 
+			String[][] data = new String[list.size()][];
+			for (int i = 0; i < list.size(); i++) {
+				RepositoryModel r = list.get(i);
+
+				if (verbose) {
+					String lm = df.format(r.lastChange);
+					String owners = "";
+					if (!ArrayUtils.isEmpty(r.owners)) {
+						owners = Joiner.on(",").join(r.owners);
+					}
+					String size = r.size;
+					if (!r.hasCommits) {
+						size = "(empty)";
+					}
+					data[i] = new String[] { r.name, r.description, owners, lm, size };
+				} else {
+					data[i] = new String[] { r.name, r.description };
+				}
+			}
+			stdout.println(FlipTable.of(headers, data, Borders.BODY_COLS));
+		}
+
+		protected void asTabbed(List<RepositoryModel> list) {
+			SimpleDateFormat df = new SimpleDateFormat("yyyy-MM-dd");
 			String pattern;
 			if (verbose) {
-				pattern = MessageFormat.format("%-{0,number,0}s\t%-{1,number,0}s\t%s", nameLen, descLen);
+				pattern = "%s\t%s\t%s\t%s\t%s";
 			} else {
 				pattern = "%s";
 			}
 
-			for (RepositoryModel repo : repositories) {
-				stdout.println(String.format(pattern,
-						repo.name,
-						repo.description == null ? "" : repo.description,
-						df.format(repo.lastChange)));
+			for (RepositoryModel r : list) {
+				String lm = df.format(r.lastChange);
+				String owners = "";
+				if (!ArrayUtils.isEmpty(r.owners)) {
+					owners = Joiner.on(",").join(r.owners);
+				}
+				String size = r.size;
+				if (!r.hasCommits) {
+					size = "(empty)";
+				}
+
+				stdout.println(String.format(pattern, r.name, r.description == null ? "" : r.description,
+						owners, lm, size));
 			}
 		}
 	}
diff --git a/src/main/java/com/gitblit/transport/ssh/gitblit/UsersDispatcher.java b/src/main/java/com/gitblit/transport/ssh/gitblit/UsersDispatcher.java
index 0cbf354..10ce26f 100644
--- a/src/main/java/com/gitblit/transport/ssh/gitblit/UsersDispatcher.java
+++ b/src/main/java/com/gitblit/transport/ssh/gitblit/UsersDispatcher.java
@@ -15,12 +15,10 @@
  */
 package com.gitblit.transport.ssh.gitblit;
 
-import java.text.MessageFormat;
 import java.util.List;
 
 import org.kohsuke.args4j.Argument;
 import org.kohsuke.args4j.Option;
-import org.parboiled.common.StringUtils;
 
 import com.gitblit.manager.IGitblit;
 import com.gitblit.models.RegistrantAccessPermission;
@@ -28,6 +26,8 @@
 import com.gitblit.transport.ssh.commands.CommandMetaData;
 import com.gitblit.transport.ssh.commands.DispatchCommand;
 import com.gitblit.transport.ssh.commands.SshCommand;
+import com.gitblit.utils.FlipTable;
+import com.gitblit.utils.FlipTable.Borders;
 
 @CommandMetaData(name = "users", description = "User management commands", admin = true)
 public class UsersDispatcher extends DispatchCommand {
@@ -65,41 +65,66 @@
 		@Option(name = "--verbose", aliases = { "-v" }, usage = "verbose")
 		private boolean verbose;
 
+		@Option(name = "--tabbed", aliases = { "-t" }, usage = "as tabbed output")
+		private boolean tabbed;
+
 		@Override
 		public void run() {
 			IGitblit gitblit = getContext().getGitblit();
 			List<UserModel> users = gitblit.getAllUsers();
-			int displaynameLen = 0;
-			int usernameLen = 0;
-			for (UserModel user : users) {
-				int len = user.getDisplayName().length();
-				if (len > displaynameLen) {
-					displaynameLen = len;
-				}
-				if (!StringUtils.isEmpty(user.username)) {
-					len = user.username.length();
-					if (len > usernameLen) {
-						usernameLen = len;
-					}
-				}
+
+			if (tabbed) {
+				asTabbed(users);
+			} else {
+				asTable(users);
+			}
+		}
+
+		protected void asTable(List<UserModel> list) {
+			String[] headers;
+			if (verbose) {
+				String[] h = { "Name", "Display name", "Type", "E-mail", "Create?", "Fork?"};
+				headers = h;
+			} else {
+				String[] h = { "Name", "Display name", "Type", "E-mail"};
+				headers = h;
 			}
 
+			String[][] data = new String[list.size()][];
+			for (int i = 0; i < list.size(); i++) {
+				UserModel u = list.get(i);
+
+				String name = u.disabled ? "-" : ((u.canAdmin() ? "*" : " ")) + u.username;
+				if (verbose) {
+					data[i] = new String[] { name, u.displayName == null ? "" : u.displayName,
+							u.accountType.name(), u.emailAddress == null ? "" : u.emailAddress ,
+									u.canCreate() ? "Y":"", u.canFork() ? "Y" : ""};
+				} else {
+					data[i] = new String[] { name, u.displayName == null ? "" : u.displayName,
+							u.accountType.name(), u.emailAddress == null ? "" : u.emailAddress };
+				}
+			}
+			stdout.print(FlipTable.of(headers, data, Borders.BODY_COLS));
+			stdout.println("* = admin account, - = disabled account");
+			stdout.println();
+		}
+
+		protected void asTabbed(List<UserModel> users) {
 			String pattern;
 			if (verbose) {
-				pattern = MessageFormat.format("%-{0,number,0}s\t%-{1,number,0}s\t%-10s\t%s", displaynameLen, usernameLen);
+				pattern = "%s\ts\t%s\t%s\t%s\t%s";
 			} else {
-				pattern = MessageFormat.format("%-{0,number,0}s\t%-{1,number,0}s", displaynameLen, usernameLen);
+				pattern = "%s";
 			}
 
-			for (UserModel user : users) {
-				if (user.disabled) {
-					continue;
-				}
+			for (UserModel u : users) {
 				stdout.println(String.format(pattern,
-						user.getDisplayName(),
-						(user.canAdmin() ? "*":" ") + user.username,
-						user.accountType,
-						user.emailAddress == null ? "" : user.emailAddress));
+						u.disabled ? "-" : ((u.canAdmin() ? "*" : " ")) + u.username,
+						u.getDisplayName(),
+						u.accountType,
+						u.emailAddress == null ? "" : u.emailAddress,
+						u.canCreate() ? "Y":"",
+						u.canFork() ? "Y" : ""));
 			}
 		}
 	}
diff --git a/src/main/java/com/gitblit/utils/FlipTable.java b/src/main/java/com/gitblit/utils/FlipTable.java
new file mode 100644
index 0000000..1f78840
--- /dev/null
+++ b/src/main/java/com/gitblit/utils/FlipTable.java
@@ -0,0 +1,211 @@
+/*
+ * Copyright 2014 Jake Wharton
+ * Copyright 2014 gitblit.com.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.gitblit.utils;
+
+
+/**
+ * This is a forked version of FlipTables which supports controlling the
+ * displayed borders.
+ *
+ * FULL = all borders
+ * BODY_COLS = header + perimeter + column separators
+ * COLS = header + column separators
+ * BODY = header + perimeter
+ * HEADER = header only
+ *
+ * <pre>
+ * ╔═════════════╤════════════════════════════╤══════════════╗
+ * ║ Name        │ Function                   │ Author       ║
+ * ╠═════════════╪════════════════════════════╪══════════════╣
+ * ║ Flip Tables │ Pretty-print a text table. │ Jake Wharton ║
+ * ╚═════════════╧════════════════════════════╧══════════════╝
+ * </pre>
+ */
+public final class FlipTable {
+	private static final String EMPTY = "(empty)";
+
+	public static enum Borders {
+		FULL(7), BODY_COLS(5), COLS(4), BODY(1), HEADER(0);
+
+		final int bitmask;
+
+		private Borders(int bitmask) {
+			this.bitmask = bitmask;
+		}
+
+		boolean body() {
+			return isset(0x1);
+		}
+
+		boolean rows() {
+			return isset(0x2);
+		}
+
+		boolean columns() {
+			return isset(0x4);
+		}
+
+		boolean isset(int v) {
+			return (bitmask & v) == v;
+		}
+	}
+
+	/** Create a new table with the specified headers and row data. */
+	public static String of(String[] headers, String[][] data) {
+		return of(headers, data, Borders.FULL);
+	}
+
+	/** Create a new table with the specified headers and row data. */
+	public static String of(String[] headers, String[][] data, Borders borders) {
+		if (headers == null)
+			throw new NullPointerException("headers == null");
+		if (headers.length == 0)
+			throw new IllegalArgumentException("Headers must not be empty.");
+		if (data == null)
+			throw new NullPointerException("data == null");
+		return new FlipTable(headers, data, borders).toString();
+	}
+
+	private final String[] headers;
+	private final String[][] data;
+	private final Borders borders;
+	private final int columns;
+	private final int[] columnWidths;
+	private final int emptyWidth;
+
+	private FlipTable(String[] headers, String[][] data, Borders borders) {
+		this.headers = headers;
+		this.data = data;
+		this.borders = borders;
+
+		columns = headers.length;
+		columnWidths = new int[columns];
+		for (int row = -1; row < data.length; row++) {
+			String[] rowData = (row == -1) ? headers : data[row];
+			if (rowData.length != columns) {
+				throw new IllegalArgumentException(String.format("Row %s's %s columns != %s columns", row + 1,
+						rowData.length, columns));
+			}
+			for (int column = 0; column < columns; column++) {
+				for (String rowDataLine : rowData[column].split("\\n")) {
+					columnWidths[column] = Math.max(columnWidths[column], rowDataLine.length());
+				}
+			}
+		}
+
+		 // Account for column dividers and their spacing.
+		int emptyWidth = 3 * (columns - 1);
+		for (int columnWidth : columnWidths) {
+			emptyWidth += columnWidth;
+		}
+		this.emptyWidth = emptyWidth;
+
+		if (emptyWidth < EMPTY.length()) {
+			// Make sure we're wide enough for the empty text.
+			columnWidths[columns - 1] += EMPTY.length() - emptyWidth;
+		}
+	}
+
+	@Override
+	public String toString() {
+		StringBuilder builder = new StringBuilder();
+		printDivider(builder, "╔═╤═╗");
+		printData(builder, headers, true);
+		if (data.length == 0) {
+			if (borders.body()) {
+				printDivider(builder, "╠═╧═╣");
+				builder.append('║').append(pad(emptyWidth, EMPTY)).append("║\n");
+				printDivider(builder, "╚═══╝");
+			} else {
+				printDivider(builder, "╚═╧═╝");
+				builder.append(' ').append(pad(emptyWidth, EMPTY)).append(" \n");
+			}
+		} else {
+			for (int row = 0; row < data.length; row++) {
+				if (row == 0) {
+					if (borders.body()) {
+						if (borders.columns()) {
+							printDivider(builder, "╠═╪═╣");
+						} else {
+							printDivider(builder, "╠═╧═╣");
+						}
+					} else {
+						if (borders.columns()) {
+							printDivider(builder, "╚═╪═╝");
+						} else {
+							printDivider(builder, "╚═╧═╝");
+						}
+					}
+				} else if (borders.rows()) {
+					if (borders.columns()) {
+						printDivider(builder, "╟─┼─╢");
+					} else {
+						printDivider(builder, "╟─┼─╢");
+					}
+				}
+				printData(builder, data[row], false);
+			}
+			if (borders.body()) {
+				if (borders.columns()) {
+					printDivider(builder, "╚═╧═╝");
+				} else {
+					printDivider(builder, "╚═══╝");
+				}
+			}
+		}
+		return builder.toString();
+	}
+
+	private void printDivider(StringBuilder out, String format) {
+		for (int column = 0; column < columns; column++) {
+			out.append(column == 0 ? format.charAt(0) : format.charAt(2));
+			out.append(pad(columnWidths[column], "").replace(' ', format.charAt(1)));
+		}
+		out.append(format.charAt(4)).append('\n');
+	}
+
+	private void printData(StringBuilder out, String[] data, boolean isHeader) {
+		for (int line = 0, lines = 1; line < lines; line++) {
+			for (int column = 0; column < columns; column++) {
+				if (column == 0) {
+					if (isHeader || borders.body()) {
+						out.append('║');
+					} else {
+						out.append(' ');
+					}
+				} else if (isHeader || borders.columns()) {
+					out.append('│');
+				} else {
+					out.append(' ');
+				}
+				String[] cellLines = data[column].split("\\n");
+				lines = Math.max(lines, cellLines.length);
+				String cellLine = line < cellLines.length ? cellLines[line] : "";
+				out.append(pad(columnWidths[column], cellLine));
+			}
+			if (isHeader || borders.body()) {
+				out.append("║\n");
+			} else {
+				out.append('\n');
+			}
+		}
+	}
+
+	private static String pad(int width, String data) {
+		return String.format(" %1$-" + width + "s ", data);
+	}
+}

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