[tor-commits] [metrics-lib/master] Fix leaking resource in TorperfResultImpl.java

[karsten@xxxxxxxxxxxxxx]

commit 114f548674d8586453577f2a16ad6b39b1714118
Author: fava <fava@xxxxxxxxxxxxxxx>
Date:   Thu Aug 29 06:52:16 2019 +0000

    Fix leaking resource in TorperfResultImpl.java
    
    Fix leaking resource in TorperfResultImpl.java using
    try-with-resource statement.
    This fix is related to analysis on metrics-lib using sonarqube
    Implements part of #30544
    
    Signed-off-by: fava <fava@xxxxxxxxxxxxxxx>
---
 .../descriptor/impl/TorperfResultImpl.java         | 45 ++++++++++++----------
 1 file changed, 24 insertions(+), 21 deletions(-)

diff --git a/src/main/java/org/torproject/descriptor/impl/TorperfResultImpl.java b/src/main/java/org/torproject/descriptor/impl/TorperfResultImpl.java
index 4eb00ac..83e9491 100644
--- a/src/main/java/org/torproject/descriptor/impl/TorperfResultImpl.java
+++ b/src/main/java/org/torproject/descriptor/impl/TorperfResultImpl.java
@@ -30,28 +30,31 @@ public class TorperfResultImpl extends DescriptorImpl
     List<Descriptor> parsedDescriptors = new ArrayList<>();
     String descriptorString = new String(rawDescriptorBytes,
         StandardCharsets.UTF_8);
-    Scanner scanner = new Scanner(descriptorString).useDelimiter("\r?\n");
-    String typeAnnotation = "";
-    while (scanner.hasNext()) {
-      String line = scanner.next();
-      if (line.startsWith("@type torperf ")) {
-        String[] parts = line.split(" ");
-        if (parts.length != 3) {
-          throw new DescriptorParseException("Illegal line '" + line
-              + "'.");
-        }
-        String version = parts[2];
-        if (!version.startsWith("1.")) {
-          throw new DescriptorParseException("Unsupported version in "
-              + " line '" + line + "'.");
+    try (Scanner scanner =
+                 new Scanner(descriptorString).useDelimiter("\r?\n")) {
+      String typeAnnotation = "";
+      while (scanner.hasNext()) {
+        String line = scanner.next();
+        if (line.startsWith("@type torperf ")) {
+          String[] parts = line.split(" ");
+          if (parts.length != 3) {
+            throw new DescriptorParseException("Illegal line '" + line
+                    + "'.");
+          }
+          String version = parts[2];
+          if (!version.startsWith("1.")) {
+            throw new DescriptorParseException("Unsupported version in "
+                    + " line '" + line + "'.");
+          }
+          typeAnnotation = line + "\n";
+        } else {
+          /* XXX21932 */
+          parsedDescriptors.add(new TorperfResultImpl(
+                  (typeAnnotation + line + "\n")
+                          .getBytes(StandardCharsets.UTF_8),
+                  descriptorFile));
+          typeAnnotation = "";
         }
-        typeAnnotation = line + "\n";
-      } else {
-        /* XXX21932 */
-        parsedDescriptors.add(new TorperfResultImpl(
-            (typeAnnotation + line + "\n").getBytes(StandardCharsets.UTF_8),
-            descriptorFile));
-        typeAnnotation = "";
       }
     }
     return parsedDescriptors;

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