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-rw-r--r--vid-app-common/src/main/java/org/onap/vid/utils/Logging.java25
1 files changed, 23 insertions, 2 deletions
diff --git a/vid-app-common/src/main/java/org/onap/vid/utils/Logging.java b/vid-app-common/src/main/java/org/onap/vid/utils/Logging.java
index f9894d1aa..ce811b41c 100644
--- a/vid-app-common/src/main/java/org/onap/vid/utils/Logging.java
+++ b/vid-app-common/src/main/java/org/onap/vid/utils/Logging.java
@@ -35,6 +35,7 @@ import io.joshworks.restclient.http.HttpResponse;
import java.nio.charset.StandardCharsets;
import java.util.Arrays;
import java.util.Map;
+import java.util.Objects;
import java.util.Optional;
import java.util.UUID;
import java.util.concurrent.Callable;
@@ -122,7 +123,7 @@ public class Logging {
}
try {
response.bufferEntity();
- logger.debug("Received {} {} Status: {} . Body: {}", method.name(), url, response.getStatus(), response.readEntity(entityClass));
+ logger.debug("Received {} {} Status: {} . Body: {}", method.name(), url, response.getStatus(), new Substring(response.readEntity(entityClass)));
}
catch (Exception e) {
logger.debug("Received {} {} Status: {} . Failed to read response as {}", method.name(), url, response.getStatus(), entityClass.getName());
@@ -132,7 +133,7 @@ public class Logging {
public <T> void logResponse(final EELFLogger logger, final HttpMethod method, final String url, final HttpResponse<T> response) {
try {
logger.debug("Received {} {} Status: {} . Body: {}", method.name(),
- url, response.getStatus(), IOUtils.toString(response.getRawBody(), StandardCharsets.UTF_8));
+ url, response.getStatus(), new Substring(IOUtils.toString(response.getRawBody(), StandardCharsets.UTF_8)));
response.getRawBody().reset();
}
catch (Exception e) {
@@ -204,6 +205,26 @@ public class Logging {
}
/**
+ * This class defers the toString() and truncation to the point in time where logger needs it.
+ * This will save some bytes in memory if logger will decide to discard the logging (mostly because logging level
+ * is filtering the message out).
+ */
+ static class Substring {
+ private final Object obj;
+ private final int maxLen = 1_000_000;
+
+ public Substring(Object obj) {
+ this.obj = obj;
+ }
+
+ @Override
+ public String toString() {
+ // null safe truncation
+ return StringUtils.left(Objects.toString(obj), maxLen);
+ }
+ }
+
+ /**
* in order to be able to write the correct data while creating the node on a new thread save a copy of the current
* thread's context map, with keys and values of type String.
*/