From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Zach Brown <1254957+zachbr@users.noreply.github.com>
Date: Mon, 27 May 2019 01:10:06 -0500
Subject: [PATCH] Version Command 2.0
diff --git a/src/main/java/com/destroystokyo/paper/util/VersionFetcher.java b/src/main/java/com/destroystokyo/paper/util/VersionFetcher.java
new file mode 100644
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000
--- /dev/null
+++ b/src/main/java/com/destroystokyo/paper/util/VersionFetcher.java
@@ -0,0 +0,0 @@
+package com.destroystokyo.paper.util;
+
+import net.kyori.adventure.text.Component;
+import net.kyori.adventure.text.format.NamedTextColor;
+import org.bukkit.Bukkit;
+import org.jetbrains.annotations.NotNull;
+
+public interface VersionFetcher {
+ /**
+ * Amount of time to cache results for in milliseconds
+ * <p>
+ * Negative values will never cache.
+ *
+ * @return cache time
+ */
+ long getCacheTime();
+
+ /**
+ * Gets the version message to cache and show to command senders.
+ *
+ * <p>NOTE: This is run in a new thread separate from that of the command processing thread</p>
+ *
+ * @param serverVersion the current version of the server (will match {@link Bukkit#getVersion()})
+ * @return the message to show when requesting a version
+ */
+ @NotNull
+ Component getVersionMessage(@NotNull String serverVersion);
+
+ class DummyVersionFetcher implements VersionFetcher {
+
+ @Override
+ public long getCacheTime() {
+ return -1;
+ }
+
+ @NotNull
+ @Override
+ public Component getVersionMessage(@NotNull String serverVersion) {
+ Bukkit.getLogger().warning("Version provider has not been set, cannot check for updates!");
+ Bukkit.getLogger().info("Override the default implementation of org.bukkit.UnsafeValues#getVersionFetcher()");
+ new Throwable().printStackTrace();
+ return Component.text("Unable to check for updates. No version provider set.", NamedTextColor.RED);
+ }
+ }
+}
diff --git a/src/main/java/org/bukkit/UnsafeValues.java b/src/main/java/org/bukkit/UnsafeValues.java
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644
--- a/src/main/java/org/bukkit/UnsafeValues.java
+++ b/src/main/java/org/bukkit/UnsafeValues.java
@@ -0,0 +0,0 @@ public interface UnsafeValues {
* @return name
*/
String getTimingsServerName();
+
+ /**
+ * Called once by the version command on first use, then cached.
+ */
+ default com.destroystokyo.paper.util.VersionFetcher getVersionFetcher() {
+ return new com.destroystokyo.paper.util.VersionFetcher.DummyVersionFetcher();
+ }
// Paper end
}
diff --git a/src/main/java/org/bukkit/command/defaults/VersionCommand.java b/src/main/java/org/bukkit/command/defaults/VersionCommand.java
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644
--- a/src/main/java/org/bukkit/command/defaults/VersionCommand.java
+++ b/src/main/java/org/bukkit/command/defaults/VersionCommand.java
@@ -0,0 +0,0 @@
package org.bukkit.command.defaults;
+import com.destroystokyo.paper.util.VersionFetcher; // Paper - version supplier
import com.google.common.base.Charsets;
import com.google.common.base.Preconditions;
import com.google.common.collect.ImmutableList;
@@ -0,0 +0,0 @@ import org.bukkit.util.StringUtil;
import org.jetbrains.annotations.NotNull;
public class VersionCommand extends BukkitCommand {
+ private VersionFetcher versionFetcher;
+ private VersionFetcher getVersionFetcher() { // lazy load because unsafe isn't available at command registration
+ if (versionFetcher == null) {
+ versionFetcher = Bukkit.getUnsafe().getVersionFetcher();
+ }
+
+ return versionFetcher;
+ }
+
public VersionCommand(@NotNull String name) {
super(name);
@@ -0,0 +0,0 @@ public class VersionCommand extends BukkitCommand {
if (!testPermission(sender)) return true;
if (args.length == 0) {
- sender.sendMessage("This server is running " + Bukkit.getName() + " version " + Bukkit.getVersion() + " (Implementing API version " + Bukkit.getBukkitVersion() + ")");
+ //sender.sendMessage("This server is running " + Bukkit.getName() + " version " + Bukkit.getVersion() + " (Implementing API version " + Bukkit.getBukkitVersion() + ")"); // Paper - moved to setVersionMessage
sendVersion(sender);
} else {
StringBuilder name = new StringBuilder();
@@ -0,0 +0,0 @@ public class VersionCommand extends BukkitCommand {
private final ReentrantLock versionLock = new ReentrantLock();
private boolean hasVersion = false;
- private String versionMessage = null;
+ private net.kyori.adventure.text.Component versionMessage = null; // Paper
private final Set<CommandSender> versionWaiters = new HashSet<CommandSender>();
private boolean versionTaskStarted = false;
private long lastCheck = 0;
private void sendVersion(@NotNull CommandSender sender) {
if (hasVersion) {
- if (System.currentTimeMillis() - lastCheck > 21600000) {
+ if (System.currentTimeMillis() - lastCheck > getVersionFetcher().getCacheTime()) { // Paper - use version supplier
lastCheck = System.currentTimeMillis();
hasVersion = false;
} else {
@@ -0,0 +0,0 @@ public class VersionCommand extends BukkitCommand {
return;
}
versionWaiters.add(sender);
- sender.sendMessage("Checking version, please wait...");
+ sender.sendMessage(net.kyori.adventure.text.Component.text("Checking version, please wait...", net.kyori.adventure.text.format.NamedTextColor.WHITE, net.kyori.adventure.text.format.TextDecoration.ITALIC)); // Paper
if (!versionTaskStarted) {
versionTaskStarted = true;
new Thread(new Runnable() {
@@ -0,0 +0,0 @@ public class VersionCommand extends BukkitCommand {
private void obtainVersion() {
String version = Bukkit.getVersion();
+ // Paper start
+ if (version.startsWith("null")) { // running from ide?
+ setVersionMessage(net.kyori.adventure.text.Component.text("Unknown version, custom build?", net.kyori.adventure.text.format.NamedTextColor.YELLOW));
+ return;
+ }
+ setVersionMessage(getVersionFetcher().getVersionMessage(version));
+ /*
if (version == null) version = "Custom";
String[] parts = version.substring(0, version.indexOf(' ')).split("-");
if (parts.length == 4) {
@@ -0,0 +0,0 @@ public class VersionCommand extends BukkitCommand {
} else {
setVersionMessage("Unknown version, custom build?");
}
+ */
+ // Paper end
}
- private void setVersionMessage(@NotNull String msg) {
+ // Paper start
+ private void setVersionMessage(final @NotNull net.kyori.adventure.text.Component msg) {
lastCheck = System.currentTimeMillis();
- versionMessage = msg;
+ final net.kyori.adventure.text.Component message = net.kyori.adventure.text.TextComponent.ofChildren(
+ net.kyori.adventure.text.Component.text("This server is running " + Bukkit.getName() + " version " + Bukkit.getVersion() + " (Implementing API version " + Bukkit.getBukkitVersion() + ")", net.kyori.adventure.text.format.NamedTextColor.WHITE),
+ net.kyori.adventure.text.Component.newline(),
+ msg
+ );
+ this.versionMessage = net.kyori.adventure.text.Component.text()
+ .append(message)
+ .hoverEvent(net.kyori.adventure.text.Component.text("Click to copy to clipboard", net.kyori.adventure.text.format.NamedTextColor.WHITE))
+ .clickEvent(net.kyori.adventure.text.event.ClickEvent.copyToClipboard(net.kyori.adventure.text.serializer.plain.PlainComponentSerializer.plain().serialize(message)))
+ .build();
+ // Paper end
versionLock.lock();
try {
hasVersion = true;