simplified log config using new ThreadFilter

src/main/java/de/srsoftware/web4rail/ThreadFilter.java

@@ -0,0 +1,25 @@
+package de.srsoftware.web4rail;
+
+import java.util.Arrays;
+import java.util.List;
+import java.util.stream.Collectors;
+
+import ch.qos.logback.classic.spi.ILoggingEvent;
+import ch.qos.logback.core.spi.FilterReply;
+
+public class ThreadFilter extends ch.qos.logback.core.filter.Filter<ILoggingEvent>{
+	
+	private List<String> keywords = List.of();
+	
+	@Override
+	public FilterReply decide(ILoggingEvent event) {
+		for (String key : keywords)	{
+			if (event.getThreadName().contains(key)) return FilterReply.ACCEPT;
+		}
+		return FilterReply.DENY;
+	}
+	
+	public void setKeywords(String keywords) {
+		this.keywords = Arrays.stream(keywords.split(",")).map(String::trim).collect(Collectors.toList());
+	}
+}