nizhikov commented on a change in pull request #6845: IGNITE-12145: Monitoring
list engine.
URL: https://github.com/apache/ignite/pull/6845#discussion_r323689797
##########
File path:
modules/core/src/main/java/org/apache/ignite/internal/util/IgniteUtils.java
##########
@@ -7040,6 +7042,51 @@ public static String toShortString(Collection<? extends
ClusterNode> ns) {
return sb.a(']').toString();
}
+ /**
+ * Get string representation of an object properly catching all exceptions.
+ *
+ * @param obj Object.
+ * @return Result or {@code null}.
+ */
+ @Nullable public static String toStringSafe(@Nullable Object obj) {
+ if (obj == null)
+ return null;
+ else {
+ try {
+ return obj.toString();
+ }
+ catch (Exception e) {
+ try {
+ return "Failed to convert object to string: " +
e.getMessage();
+ }
+ catch (Exception e0) {
+ return "Failed to convert object to string (error message
is not available)";
+ }
+ }
+ }
+ }
+
+ /**
+ * @param objs Collection of objects.
+ * @return String representation.
+ */
+ @Nullable public static String toStringSafe(@Nullable Collection<String>
objs) {
Review comment:
`CacheGroupView#affinity`
`CacheView#topologyValidator`
Collection case will be use in the next PRs, removed.
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