Add new terminal components and tooling settings

2026-03-13 18:30:23 +01:00
commit 26de5ef958
58 changed files with 4423 additions and 0 deletions
--- a/src/main/java/dev/jakub/terminal/components/Log.java
+++ b/src/main/java/dev/jakub/terminal/components/Log.java
@@ -0,0 +1,119 @@
+package dev.jakub.terminal.components;
+
+import dev.jakub.terminal.Terminal;
+import dev.jakub.terminal.core.Ansi;
+import dev.jakub.terminal.core.TerminalSupport;
+
+import java.io.PrintStream;
+import java.time.Instant;
+import java.time.ZoneId;
+import java.time.format.DateTimeFormatter;
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * Log viewer with level labels and colors. Use via {@link Terminal#log()}.
+ * INFO=cyan, WARN=yellow, ERROR=red, DEBUG=gray.
+ */
+public final class Log {
+
+    private static final int LABEL_WIDTH = 6;
+
+    private final TerminalSupport support;
+    private final List<Entry> entries = new ArrayList<>();
+    private boolean withTimestamp;
+
+    public Log(TerminalSupport support) {
+        this.support = support;
+    }
+
+    /**
+     * Adds an INFO line (cyan).
+     */
+    public Log info(String message) {
+        entries.add(new Entry(Level.INFO, message));
+        return this;
+    }
+
+    /**
+     * Adds a WARN line (yellow).
+     */
+    public Log warn(String message) {
+        entries.add(new Entry(Level.WARN, message));
+        return this;
+    }
+
+    /**
+     * Adds an ERROR line (red).
+     */
+    public Log error(String message) {
+        entries.add(new Entry(Level.ERROR, message));
+        return this;
+    }
+
+    /**
+     * Adds a DEBUG line (gray).
+     */
+    public Log debug(String message) {
+        entries.add(new Entry(Level.DEBUG, message));
+        return this;
+    }
+
+    /**
+     * Enables timestamp prefix on each line.
+     */
+    public Log withTimestamp() {
+        this.withTimestamp = true;
+        return this;
+    }
+
+    /**
+     * Prints all log entries to the given stream.
+     */
+    public void print(PrintStream out) {
+        DateTimeFormatter fmt = DateTimeFormatter.ofPattern("HH:mm:ss").withZone(ZoneId.systemDefault());
+        for (Entry e : entries) {
+            String prefix = withTimestamp ? "[" + fmt.format(Instant.now()) + "] " : "";
+            String label = "[" + e.level.name() + "]";
+            while (label.length() < LABEL_WIDTH) label += " ";
+            if (support.isAnsiEnabled()) {
+                out.print(e.level.ansi);
+            }
+            out.print(prefix + label + "  " + e.message);
+            if (support.isAnsiEnabled()) {
+                out.print(Ansi.RESET);
+            }
+            out.println();
+        }
+    }
+
+    /**
+     * Prints to stdout.
+     */
+    public void print() {
+        print(System.out);
+    }
+
+    private static final class Entry {
+        final Level level;
+        final String message;
+
+        Entry(Level level, String message) {
+            this.level = level;
+            this.message = message != null ? message : "";
+        }
+    }
+
+    private enum Level {
+        INFO(Ansi.FG_CYAN),
+        WARN(Ansi.FG_YELLOW),
+        ERROR(Ansi.FG_RED),
+        DEBUG(Ansi.FG_BRIGHT_BLACK);
+
+        final String ansi;
+
+        Level(String ansi) {
+            this.ansi = ansi;
+        }
+    }
+}