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Fix Blacklist log entry not by player results in NPE ()

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This commit is contained in:
JOO200 2021-09-25 13:22:33 +02:00
parent efac79fd38
commit 9b665136d0
1 changed files with 11 additions and 8 deletions

19
worldguard-core/src/main/java/com/sk89q/worldguard/blacklist/logger/FileHandler.java
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@ -24,6 +24,7 @@
import com.sk89q.worldguard.blacklist.event.BlacklistEvent;
import com.sk89q.worldguard.blacklist.target.Target;
import javax.annotation.Nullable;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileWriter;
@ -87,13 +88,13 @@ public FileHandler(String pathPattern, int cacheSize, String worldName, Logger l
* Build the path.
*
* @param playerName The name of the player
* @return The path for the logfile
* @return The path for the logfile, null when no applicable path could be found
*/
private String buildPath(String playerName) {
private @Nullable String buildPath(@Nullable String playerName) {
GregorianCalendar calendar = new GregorianCalendar();
Matcher m = pattern.matcher(pathPattern);
StringBuffer buffer = new StringBuffer();
StringBuilder buffer = new StringBuilder();
// Pattern replacements
while (m.find()) {
@ -103,12 +104,13 @@ private String buildPath(String playerName) {
if (group.matches("%%")) {
rep = "%";
} else if (group.matches("%u")) {
if (playerName == null) return null; // Unable to create a path for non player logging events
rep = playerName.toLowerCase().replaceAll("[^A-Za-z0-9_]", "_");
if (rep.length() > 32) { // Actual max length is 16
rep = rep.substring(0, 32);
}
}else if (group.matches("%w")) {
} else if (group.matches("%w")) {
rep = worldName.toLowerCase().replaceAll("[^A-Za-z0-9_]", "_");
if (rep.length() > 32) { // Actual max length is 16
rep = rep.substring(0, 32);
@ -148,11 +150,12 @@ private String buildPath(String playerName) {
* @param message The message to log
* @param comment The comment associated with the logged event
*/
private void log(LocalPlayer player, String message, String comment) {
String path = buildPath(player.getName());
private void log(@Nullable LocalPlayer player, String message, String comment) {
String path = buildPath(player != null ? player.getName() : null);
if (path == null) return;
try {
String date = dateFormat.format(new Date());
String line = "[" + date + "] " + player.getName() + ": " + message
String line = "[" + date + "] " + (player != null ? player.getName() : "Unknown Source") + ": " + message
+ (comment != null ? " (" + comment + ")" : "") + "\r\n";
LogFileWriter writer = writers.get(path);
@ -190,7 +193,7 @@ private void log(LocalPlayer player, String message, String comment) {
writers.entrySet().iterator();
// Remove some entries
for (; it.hasNext(); ) {
while (it.hasNext()) {
Map.Entry<String,LogFileWriter> entry = it.next();
try {
entry.getValue().getWriter().close();