fix: handle nullpointer

Author: acke

plugin/src/main/java/io/snyk/languageserver/protocolextension/messageObjects/PublishDiagnostics316Param.java

@@ -20,36 +20,41 @@ public void setUri(String uri) {
 	}
 
 	public Diagnostic316[] getDiagnostics() {
-		return Arrays.copyOf(diagnostics, diagnostics.length);
+	    if (diagnostics == null) {
+	        return new Diagnostic316[0]; // Return an empty array if diagnostics is null
+	    }
+	    return Arrays.copyOf(diagnostics, diagnostics.length);
 	}
 
+
 	public void setDiagnostics(Diagnostic316... diagnostics) {
 		this.diagnostics = diagnostics.clone();
 	}
 
 	@Override
 	public int hashCode() {
-		final int prime = 31;
-		int result = 1;
-		result = prime * result + Arrays.hashCode(diagnostics);
-		result = prime * result + Objects.hash(uri);
-		return result;
+	    final int prime = 31;
+	    int result = 1;
+	    result = prime * result + (diagnostics == null ? 0 : Arrays.hashCode(diagnostics));
+	    result = prime * result + Objects.hash(uri);
+	    return result;
 	}
 
 	@Override
 	public boolean equals(Object obj) {
-		if (this == obj)
-			return true;
-		if (obj == null)
-			return false;
-		if (getClass() != obj.getClass())
-			return false;
-		PublishDiagnostics316Param other = (PublishDiagnostics316Param) obj;
-		return Arrays.equals(diagnostics, other.diagnostics) && Objects.equals(uri, other.uri);
+	    if (this == obj)
+	        return true;
+	    if (obj == null)
+	        return false;
+	    if (getClass() != obj.getClass())
+	        return false;
+	    PublishDiagnostics316Param other = (PublishDiagnostics316Param) obj;
+	    return (diagnostics == null ? other.diagnostics == null : Arrays.equals(diagnostics, other.diagnostics)) 
+	           && Objects.equals(uri, other.uri);
 	}
 
 	@Override
 	public String toString() {
-		return "PublishDiagnostic316Param [uri=" + uri + ", diagnostics=" + Arrays.toString(diagnostics) + "]";
+	    return "PublishDiagnostic316Param [uri=" + uri + ", diagnostics=" + (diagnostics == null ? "null" : Arrays.toString(diagnostics)) + "]";
 	}
 }