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[tor-commits] [metrics-web/master] Make minor code improvements.
commit dfdc2c3b46f7ae615fce2709ec27f3a1f8153b63
Author: Karsten Loesing <karsten.loesing@xxxxxxx>
Date: Thu Aug 31 22:33:29 2017 +0200
Make minor code improvements.
Improvements include:
- Replace string concatenations with chained append() calls.
- Apply diamond operator.
- Switch to Double.compare() rather than re-implement that logic.
- Added or removed arguments for printf() calls.
- Remove unused constructors.
- Remove unused imports.
- Avoid NullPointerExceptions in edge cases.
- Remove redundant initializations or assignments.
- Remove unnecessary boxing of primitives.
---
.../java/org/torproject/metrics/connbidirect/Main.java | 10 +++++-----
.../org/torproject/metrics/connbidirect/MainTest.java | 15 +++++----------
.../org/torproject/metrics/hidserv/Aggregator.java | 9 ++++-----
.../metrics/hidserv/ComputedNetworkFractions.java | 7 +------
.../org/torproject/metrics/hidserv/DocumentStore.java | 3 +--
.../metrics/hidserv/ExtrapolatedHidServStats.java | 8 +-------
.../org/torproject/metrics/hidserv/Extrapolator.java | 3 +--
.../main/java/org/torproject/metrics/hidserv/Main.java | 2 --
.../java/org/torproject/metrics/hidserv/Parser.java | 2 +-
.../metrics/hidserv/ReportedHidServStats.java | 8 +-------
.../java/org/torproject/metrics/hidserv/Simulate.java | 4 ++--
.../main/java/org/torproject/ernie/cron/LockFile.java | 3 ++-
.../src/main/java/org/torproject/ernie/cron/Main.java | 5 ++---
.../ernie/cron/RelayDescriptorDatabaseImporter.java | 7 +++----
.../ernie/cron/network/ConsensusStatsFileHandler.java | 9 ++++-----
.../java/org/torproject/metrics/onionperf/Main.java | 1 -
.../java/org/torproject/metrics/webstats/Main.java | 2 +-
.../java/org/torproject/metrics/web/MetricServlet.java | 5 +----
.../java/org/torproject/metrics/web/NewsServlet.java | 16 ++++++++--------
.../metrics/web/graphs/GraphParameterChecker.java | 2 +-
.../metrics/web/graphs/RObjectGenerator.java | 18 +++++++++---------
21 files changed, 53 insertions(+), 86 deletions(-)
diff --git a/modules/connbidirect/src/main/java/org/torproject/metrics/connbidirect/Main.java b/modules/connbidirect/src/main/java/org/torproject/metrics/connbidirect/Main.java
index 1de49d3..1624fa9 100644
--- a/modules/connbidirect/src/main/java/org/torproject/metrics/connbidirect/Main.java
+++ b/modules/connbidirect/src/main/java/org/torproject/metrics/connbidirect/Main.java
@@ -195,7 +195,7 @@ public class Main {
BufferedReader br = new BufferedReader(new FileReader(file));
String line;
while ((line = br.readLine()) != null) {
- sb.append(line + "\n");
+ sb.append(line).append("\n");
}
br.close();
}
@@ -221,7 +221,7 @@ public class Main {
static String formatParseHistory(SortedMap<String, Long> parseHistory) {
StringBuilder sb = new StringBuilder();
for (Map.Entry<String, Long> e : parseHistory.entrySet()) {
- sb.append(e.getKey() + "," + e.getValue() + "\n");
+ sb.append(e.getKey()).append(",").append(e.getValue()).append("\n");
}
return sb.toString();
}
@@ -268,7 +268,7 @@ public class Main {
StringBuilder sb = new StringBuilder();
sb.append(AGGREGATE_STATS_HEADER + "\n");
for (Map.Entry<String, Short> e : aggregateStats.entrySet()) {
- sb.append(e.getKey() + "," + e.getValue() + "\n");
+ sb.append(e.getKey()).append(",").append(e.getValue()).append("\n");
}
return sb.toString();
}
@@ -317,7 +317,7 @@ public class Main {
static String formatRawStats(SortedSet<RawStat> rawStats) {
StringBuilder sb = new StringBuilder();
for (RawStat rawStat : rawStats) {
- sb.append(rawStat.toString() + "\n");
+ sb.append(rawStat.toString()).append("\n");
}
return sb.toString();
}
@@ -442,7 +442,7 @@ public class Main {
if (!fractionsByDateAndDirection.containsKey(
dateAndDirection)) {
fractionsByDateAndDirection.put(dateAndDirection,
- new ArrayList<Short>());
+ new ArrayList<>());
}
fractionsByDateAndDirection.get(dateAndDirection).add(
fractions[i]);
diff --git a/modules/connbidirect/src/test/java/org/torproject/metrics/connbidirect/MainTest.java b/modules/connbidirect/src/test/java/org/torproject/metrics/connbidirect/MainTest.java
index c63a772..c35fe80 100644
--- a/modules/connbidirect/src/test/java/org/torproject/metrics/connbidirect/MainTest.java
+++ b/modules/connbidirect/src/test/java/org/torproject/metrics/connbidirect/MainTest.java
@@ -29,8 +29,7 @@ public class MainTest {
@Test
public void testParseHistoryEmpty() {
- assertParseHistoryCanBeSerializedAndDeserialized(
- new TreeMap<String, Long>());
+ assertParseHistoryCanBeSerializedAndDeserialized(new TreeMap<>());
}
private final String pathA = "a";
@@ -89,8 +88,7 @@ public class MainTest {
@Test
public void testAggregateStatsEmpty() {
- assertAggregateStatsCanBeSerializedAndDeserialized(
- new TreeMap<String, Short>());
+ assertAggregateStatsCanBeSerializedAndDeserialized(new TreeMap<>());
}
@Test
@@ -120,8 +118,7 @@ public class MainTest {
@Test
public void testRawStatsEmpty() {
- assertRawStatsCanBeSerializedAndDeserialized(
- new TreeSet<Main.RawStat>());
+ assertRawStatsCanBeSerializedAndDeserialized(new TreeSet<>());
}
private static final long DATE_A = 16665; /* 2015-08-18 */
@@ -155,8 +152,7 @@ public class MainTest {
SortedSet<Main.RawStat> rawStats = new TreeSet<>();
rawStats.add(new Main.RawStat(DATE_A, FPR_A, (short) 40, (short) 30,
(short) 50));
- assertRawStatsCanBeMerged(rawStats, new TreeSet<Main.RawStat>(),
- false);
+ assertRawStatsCanBeMerged(rawStats, new TreeSet<>(), false);
}
@Test
@@ -222,8 +218,7 @@ public class MainTest {
@Test
public void testUpdateAggregateStatsEmpty() {
- assertStatsCanBeAggregated(new TreeMap<String, Short>(),
- new TreeSet<Main.RawStat>());
+ assertStatsCanBeAggregated(new TreeMap<>(), new TreeSet<>());
}
@Test
diff --git a/modules/hidserv/src/main/java/org/torproject/metrics/hidserv/Aggregator.java b/modules/hidserv/src/main/java/org/torproject/metrics/hidserv/Aggregator.java
index c438ea2..d7a1054 100644
--- a/modules/hidserv/src/main/java/org/torproject/metrics/hidserv/Aggregator.java
+++ b/modules/hidserv/src/main/java/org/torproject/metrics/hidserv/Aggregator.java
@@ -78,7 +78,7 @@ public class Aggregator {
DateTimeHelper.ISO_DATE_FORMAT);
if (extrapolated.getFractionRendRelayedCells() > 0.0) {
if (!extrapolatedCells.containsKey(date)) {
- extrapolatedCells.put(date, new ArrayList<double[]>());
+ extrapolatedCells.put(date, new ArrayList<>());
}
extrapolatedCells.get(date).add(new double[] {
extrapolated.getExtrapolatedRendRelayedCells(),
@@ -120,9 +120,7 @@ public class Aggregator {
Collections.sort(weightedValues,
new Comparator<double[]>() {
public int compare(double[] first, double[] second) {
- return first[0] < second[0] ? -1
- : first[0] > second[0] ? 1
- : 0;
+ return Double.compare(first[0], second[0]);
}
}
);
@@ -189,7 +187,8 @@ public class Aggregator {
this.hidservStatsCsvFile))) {
bw.write(sb.toString());
} catch (IOException e) {
- System.err.printf("Unable to write results to %s. Ignoring.");
+ System.err.printf("Unable to write results to %s. Ignoring.",
+ this.extrapolatedHidServStatsFile.getAbsolutePath());
}
}
}
diff --git a/modules/hidserv/src/main/java/org/torproject/metrics/hidserv/ComputedNetworkFractions.java b/modules/hidserv/src/main/java/org/torproject/metrics/hidserv/ComputedNetworkFractions.java
index a403e48..3ab90f3 100644
--- a/modules/hidserv/src/main/java/org/torproject/metrics/hidserv/ComputedNetworkFractions.java
+++ b/modules/hidserv/src/main/java/org/torproject/metrics/hidserv/ComputedNetworkFractions.java
@@ -116,11 +116,6 @@ public class ComputedNetworkFractions implements Document {
return new String[] { first, second };
}
- /** Instantiates an empty fractions object that will be initialized more
- * by the parse method. */
- ComputedNetworkFractions() {
- }
-
private static Map<String, Long> previouslyParsedDates =
Collections.synchronizedMap(new HashMap<String, Long>());
@@ -131,7 +126,7 @@ public class ComputedNetworkFractions implements Document {
public boolean parse(String[] formattedStrings) {
if (formattedStrings.length != 2) {
System.err.printf("Invalid number of formatted strings. "
- + "Skipping.%n", formattedStrings.length);
+ + "Skipping.%n");
return false;
}
String[] firstParts = formattedStrings[0].split(",", 2);
diff --git a/modules/hidserv/src/main/java/org/torproject/metrics/hidserv/DocumentStore.java b/modules/hidserv/src/main/java/org/torproject/metrics/hidserv/DocumentStore.java
index 5ecb849..6dde889 100644
--- a/modules/hidserv/src/main/java/org/torproject/metrics/hidserv/DocumentStore.java
+++ b/modules/hidserv/src/main/java/org/torproject/metrics/hidserv/DocumentStore.java
@@ -54,8 +54,7 @@ public class DocumentStore<T extends Document> {
for (T retrieveDocument : retrievedDocuments) {
String[] formattedDocument = retrieveDocument.format();
if (!formattedDocuments.containsKey(formattedDocument[0])) {
- formattedDocuments.put(formattedDocument[0],
- new TreeSet<String>());
+ formattedDocuments.put(formattedDocument[0], new TreeSet<>());
}
formattedDocuments.get(formattedDocument[0]).add(
formattedDocument[1]);
diff --git a/modules/hidserv/src/main/java/org/torproject/metrics/hidserv/ExtrapolatedHidServStats.java b/modules/hidserv/src/main/java/org/torproject/metrics/hidserv/ExtrapolatedHidServStats.java
index 53bef71..d38174a 100644
--- a/modules/hidserv/src/main/java/org/torproject/metrics/hidserv/ExtrapolatedHidServStats.java
+++ b/modules/hidserv/src/main/java/org/torproject/metrics/hidserv/ExtrapolatedHidServStats.java
@@ -118,19 +118,13 @@ public class ExtrapolatedHidServStats implements Document {
return new String[] { first, second };
}
- /** Instantiates an empty stats object that will be initialized more by
- * the parse method. */
- ExtrapolatedHidServStats() {
- }
-
/** Initializes this stats object using the two provided strings that
* have been produced by the format method earlier and returns whether
* this operation was successful. */
@Override
public boolean parse(String[] formattedStrings) {
if (formattedStrings.length != 2) {
- System.err.printf("Invalid number of formatted strings. "
- + "Skipping.%n", formattedStrings.length);
+ System.err.printf("Invalid number of formatted strings. Skipping.%n");
return false;
}
long statsDateMillis = DateTimeHelper.parse(formattedStrings[0],
diff --git a/modules/hidserv/src/main/java/org/torproject/metrics/hidserv/Extrapolator.java b/modules/hidserv/src/main/java/org/torproject/metrics/hidserv/Extrapolator.java
index 262720a..fdeafdf 100644
--- a/modules/hidserv/src/main/java/org/torproject/metrics/hidserv/Extrapolator.java
+++ b/modules/hidserv/src/main/java/org/torproject/metrics/hidserv/Extrapolator.java
@@ -95,8 +95,7 @@ public class Extrapolator {
for (ReportedHidServStats stat : reportedStats) {
String fingerprint = stat.getFingerprint();
if (!parsedStatsByFingerprint.containsKey(fingerprint)) {
- parsedStatsByFingerprint.put(fingerprint,
- new HashSet<ReportedHidServStats>());
+ parsedStatsByFingerprint.put(fingerprint, new HashSet<>());
}
parsedStatsByFingerprint.get(fingerprint).add(stat);
}
diff --git a/modules/hidserv/src/main/java/org/torproject/metrics/hidserv/Main.java b/modules/hidserv/src/main/java/org/torproject/metrics/hidserv/Main.java
index 62a06b0..f027f1e 100644
--- a/modules/hidserv/src/main/java/org/torproject/metrics/hidserv/Main.java
+++ b/modules/hidserv/src/main/java/org/torproject/metrics/hidserv/Main.java
@@ -4,8 +4,6 @@
package org.torproject.metrics.hidserv;
import java.io.File;
-import java.util.HashSet;
-import java.util.Set;
/** Main class for updating extrapolated network totals of hidden-service
* statistics. The main method of this class can be executed as often as
diff --git a/modules/hidserv/src/main/java/org/torproject/metrics/hidserv/Parser.java b/modules/hidserv/src/main/java/org/torproject/metrics/hidserv/Parser.java
index 3195dd8..b3f5361 100644
--- a/modules/hidserv/src/main/java/org/torproject/metrics/hidserv/Parser.java
+++ b/modules/hidserv/src/main/java/org/torproject/metrics/hidserv/Parser.java
@@ -268,7 +268,7 @@ public class Parser {
/* More precisely, make sure that it contains Wmx weights, and then
* parse them. */
SortedSet<String> expectedWeightKeys =
- new TreeSet<String>(Arrays.asList("Wmg,Wmm,Wme,Wmd".split(",")));
+ new TreeSet<>(Arrays.asList("Wmg,Wmm,Wme,Wmd".split(",")));
expectedWeightKeys.removeAll(bandwidthWeights.keySet());
if (!expectedWeightKeys.isEmpty()) {
System.err.printf("Consensus with valid-after time %s doesn't "
diff --git a/modules/hidserv/src/main/java/org/torproject/metrics/hidserv/ReportedHidServStats.java b/modules/hidserv/src/main/java/org/torproject/metrics/hidserv/ReportedHidServStats.java
index 6d305d0..6f2d548 100644
--- a/modules/hidserv/src/main/java/org/torproject/metrics/hidserv/ReportedHidServStats.java
+++ b/modules/hidserv/src/main/java/org/torproject/metrics/hidserv/ReportedHidServStats.java
@@ -97,19 +97,13 @@ public class ReportedHidServStats implements Document {
return new String[] { first, second };
}
- /* Instantiate an empty stats object that will be initialized more by
- * the parse method. */
- ReportedHidServStats() {
- }
-
/* Initialize this stats object using the two provided strings that have
* been produced by the format method earlier. Return whether this
* operation was successful. */
@Override
public boolean parse(String[] formattedStrings) {
if (formattedStrings.length != 2) {
- System.err.printf("Invalid number of formatted strings. "
- + "Skipping.%n", formattedStrings.length);
+ System.err.printf("Invalid number of formatted strings. Skipping.%n");
return false;
}
String[] secondParts = formattedStrings[1].split(",", 4);
diff --git a/modules/hidserv/src/main/java/org/torproject/metrics/hidserv/Simulate.java b/modules/hidserv/src/main/java/org/torproject/metrics/hidserv/Simulate.java
index 207b4aa..5419da9 100644
--- a/modules/hidserv/src/main/java/org/torproject/metrics/hidserv/Simulate.java
+++ b/modules/hidserv/src/main/java/org/torproject/metrics/hidserv/Simulate.java
@@ -238,7 +238,7 @@ public class Simulate {
final int storeOnDirs = 3;
SortedMap<Double, SortedSet<Integer>> storedDescs = new TreeMap<>();
for (double fingerprint : hsDirFingerprints) {
- storedDescs.put(fingerprint, new TreeSet<Integer>());
+ storedDescs.put(fingerprint, new TreeSet<>());
}
for (int i = 0; i < numberOnions; i++) {
for (int j = 0; j < replicas; j++) {
@@ -334,7 +334,7 @@ public class Simulate {
Collections.sort(singleRelayExtrapolations,
new Comparator<double[]>() {
public int compare(double[] first, double[] second) {
- return first[0] < second[0] ? -1 : first[0] > second[0] ? 1 : 0;
+ return Double.compare(first[0], second[0]);
}
}
);
diff --git a/modules/legacy/src/main/java/org/torproject/ernie/cron/LockFile.java b/modules/legacy/src/main/java/org/torproject/ernie/cron/LockFile.java
index 48eb83d..862e1d2 100644
--- a/modules/legacy/src/main/java/org/torproject/ernie/cron/LockFile.java
+++ b/modules/legacy/src/main/java/org/torproject/ernie/cron/LockFile.java
@@ -37,7 +37,8 @@ public class LockFile {
}
}
BufferedWriter bw = new BufferedWriter(new FileWriter("lock"));
- bw.append("" + System.currentTimeMillis() + "\n");
+ bw.append("").append(String.valueOf(System.currentTimeMillis()))
+ .append("\n");
bw.close();
this.logger.fine("Acquired lock.");
return true;
diff --git a/modules/legacy/src/main/java/org/torproject/ernie/cron/Main.java b/modules/legacy/src/main/java/org/torproject/ernie/cron/Main.java
index 180031a..8b97143 100644
--- a/modules/legacy/src/main/java/org/torproject/ernie/cron/Main.java
+++ b/modules/legacy/src/main/java/org/torproject/ernie/cron/Main.java
@@ -50,10 +50,10 @@ public class Main {
config.getDirectoryArchivesDirectories(),
statsDirectory,
config.getKeepDirectoryArchiveImportHistory()) : null;
- if (rddi != null) {
+ if (null != rddi) {
rddi.importRelayDescriptors();
+ rddi.closeConnection();
}
- rddi.closeConnection();
}
// Prepare consensus stats file handler (used for stats on running
@@ -71,7 +71,6 @@ public class Main {
csfh.importSanitizedBridges();
}
csfh.writeFiles();
- csfh = null;
}
// Remove lock file
diff --git a/modules/legacy/src/main/java/org/torproject/ernie/cron/RelayDescriptorDatabaseImporter.java b/modules/legacy/src/main/java/org/torproject/ernie/cron/RelayDescriptorDatabaseImporter.java
index a05c86c..856d2f7 100644
--- a/modules/legacy/src/main/java/org/torproject/ernie/cron/RelayDescriptorDatabaseImporter.java
+++ b/modules/legacy/src/main/java/org/torproject/ernie/cron/RelayDescriptorDatabaseImporter.java
@@ -30,7 +30,6 @@ import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Calendar;
import java.util.HashSet;
-import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Set;
@@ -265,7 +264,7 @@ public final class RelayDescriptorDatabaseImporter {
if (!this.importIntoDatabase) {
return;
}
- long dateMillis = 0L;
+ long dateMillis;
try {
dateMillis = this.dateTimeFormat.parse(
this.dateTimeFormat.format(timestamp).substring(0, 10)
@@ -500,7 +499,7 @@ public final class RelayDescriptorDatabaseImporter {
StringBuilder sb = new StringBuilder("[" + offset + ":"
+ (offset + array.length - 1) + "]={");
for (int i = 0; i < array.length; i++) {
- sb.append((i > 0 ? "," : "") + array[i]);
+ sb.append(i > 0 ? "," : "").append(array[i]);
}
sb.append('}');
this.stringValue = sb.toString();
@@ -573,7 +572,7 @@ public final class RelayDescriptorDatabaseImporter {
+ "number of elements. Ignoring this line.");
continue;
}
- long intervalLength = 0L;
+ long intervalLength;
try {
intervalLength = Long.parseLong(parts[3].substring(1));
} catch (NumberFormatException e) {
diff --git a/modules/legacy/src/main/java/org/torproject/ernie/cron/network/ConsensusStatsFileHandler.java b/modules/legacy/src/main/java/org/torproject/ernie/cron/network/ConsensusStatsFileHandler.java
index fd77fa9..c4b8770 100644
--- a/modules/legacy/src/main/java/org/torproject/ernie/cron/network/ConsensusStatsFileHandler.java
+++ b/modules/legacy/src/main/java/org/torproject/ernie/cron/network/ConsensusStatsFileHandler.java
@@ -24,7 +24,6 @@ import java.sql.Statement;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.HashMap;
-import java.util.Iterator;
import java.util.Map;
import java.util.SortedMap;
import java.util.TimeZone;
@@ -124,7 +123,7 @@ public class ConsensusStatsFileHandler {
+ this.bridgeConsensusStatsRawFile.getAbsolutePath() + "...");
try (BufferedReader br = new BufferedReader(new FileReader(
this.bridgeConsensusStatsRawFile))) {
- String line = null;
+ String line;
while ((line = br.readLine()) != null) {
if (line.startsWith("date")) {
/* Skip headers. */
@@ -256,7 +255,7 @@ public class ConsensusStatsFileHandler {
}
String date = bridgesRawLine.substring(0, 10);
if (!bridgesPerDayAndAuthority.containsKey(date)) {
- bridgesPerDayAndAuthority.put(date, new TreeMap<String, int[]>());
+ bridgesPerDayAndAuthority.put(date, new TreeMap<>());
}
String authority = parts[1];
if (!bridgesPerDayAndAuthority.get(date).containsKey(authority)) {
@@ -392,8 +391,8 @@ public class ConsensusStatsFileHandler {
if (this.bridgesRaw.isEmpty()) {
dumpStats.append("\nNo bridge status known yet.");
} else {
- dumpStats.append("\nLast known bridge status was published "
- + this.bridgesRaw.lastKey() + ".");
+ dumpStats.append("\nLast known bridge status was published ")
+ .append(this.bridgesRaw.lastKey()).append(".");
try {
if (now - 6L * 60L * 60L * 1000L > dateTimeFormat.parse(
this.bridgesRaw.lastKey()).getTime()) {
diff --git a/modules/onionperf/src/main/java/org/torproject/metrics/onionperf/Main.java b/modules/onionperf/src/main/java/org/torproject/metrics/onionperf/Main.java
index 23cc424..04c5dd5 100644
--- a/modules/onionperf/src/main/java/org/torproject/metrics/onionperf/Main.java
+++ b/modules/onionperf/src/main/java/org/torproject/metrics/onionperf/Main.java
@@ -26,7 +26,6 @@ import java.text.DateFormat;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Calendar;
-import java.util.Iterator;
import java.util.List;
import java.util.Locale;
import java.util.SortedSet;
diff --git a/modules/webstats/src/main/java/org/torproject/metrics/webstats/Main.java b/modules/webstats/src/main/java/org/torproject/metrics/webstats/Main.java
index 7ba08d7..1b4072a 100644
--- a/modules/webstats/src/main/java/org/torproject/metrics/webstats/Main.java
+++ b/modules/webstats/src/main/java/org/torproject/metrics/webstats/Main.java
@@ -208,7 +208,7 @@ public class Main {
String site = logFileUrlMatcher.group(2);
long logDateMillis = logDateFormat.parse(logFileUrlMatcher.group(3))
.getTime();
- return new Object[] { server, site, new Long(logDateMillis) };
+ return new Object[] { server, site, logDateMillis };
}
static Map<String, Integer> downloadAndParseLogFile(String urlString)
diff --git a/website/src/main/java/org/torproject/metrics/web/MetricServlet.java b/website/src/main/java/org/torproject/metrics/web/MetricServlet.java
index 02dcd53..730a767 100644
--- a/website/src/main/java/org/torproject/metrics/web/MetricServlet.java
+++ b/website/src/main/java/org/torproject/metrics/web/MetricServlet.java
@@ -3,7 +3,6 @@
package org.torproject.metrics.web;
-import java.util.ArrayList;
import java.util.Arrays;
import java.util.HashMap;
import java.util.HashSet;
@@ -38,14 +37,12 @@ public abstract class MetricServlet extends AnyServlet {
public void init() throws ServletException {
super.init();
this.metrics = ContentProvider.getInstance().getMetricsList();
- Map<String, String> allTypesAndTitles = new HashMap<>();
for (Metric metric : this.metrics) {
String id = metric.getId();
String title = metric.getTitle();
String type = metric.getType();
- allTypesAndTitles.put(id, String.format("%s: %s", type, title));
if (!this.idsByType.containsKey(type)) {
- this.idsByType.put(type, new HashSet<String>());
+ this.idsByType.put(type, new HashSet<>());
}
this.idsByType.get(type).add(id);
this.titles.put(id, title);
diff --git a/website/src/main/java/org/torproject/metrics/web/NewsServlet.java b/website/src/main/java/org/torproject/metrics/web/NewsServlet.java
index 1dfea4c..2e9bdb1 100644
--- a/website/src/main/java/org/torproject/metrics/web/NewsServlet.java
+++ b/website/src/main/java/org/torproject/metrics/web/NewsServlet.java
@@ -84,18 +84,18 @@ public class NewsServlet extends AnyServlet {
/* Sort news into categories. */
Map<String[], List<String[]>> newsByCategory = new LinkedHashMap<>();
for (String[] category : cutOffDates.values()) {
- newsByCategory.put(category, new ArrayList<String[]>());
+ newsByCategory.put(category, new ArrayList<>());
}
for (News news : this.sortedNews) {
StringBuilder sb = new StringBuilder();
- sb.append("<h3 class=\"media-heading\">" + news.getStart());
+ sb.append("<h3 class=\"media-heading\">").append(news.getStart());
if (news.getEnd() != null) {
- sb.append(" to " + news.getEnd());
+ sb.append(" to ").append(news.getEnd());
}
if (news.getPlace() != null) {
if (this.countries.containsKey(news.getPlace())) {
- sb.append(" <span class=\"label label-warning\">"
- + this.countries.get(news.getPlace()) + "</span>");
+ sb.append(" <span class=\"label label-warning\">")
+ .append(this.countries.get(news.getPlace())).append("</span>");
} else {
sb.append(" <span class=\"label label-warning\">"
+ "Unknown country</span>");
@@ -117,8 +117,8 @@ public class NewsServlet extends AnyServlet {
+ "<OR></span>");
break;
default:
- sb.append(" <span class=\"label label-info\">"
- + protocol + "</span>");
+ sb.append(" <span class=\"label label-info\">").append(protocol)
+ .append("</span>");
break;
}
}
@@ -127,7 +127,7 @@ public class NewsServlet extends AnyServlet {
sb.append(" <span class=\"label label-default\">"
+ "Unknown</span>");
}
- sb.append("</h3><p>" + news.getDescription() + "</p>");
+ sb.append("</h3><p>").append(news.getDescription()).append("</p>");
if (news.getLinks() != null && news.getLinks().length > 0) {
int written = 0;
sb.append("<p class=\"links\">");
diff --git a/website/src/main/java/org/torproject/metrics/web/graphs/GraphParameterChecker.java b/website/src/main/java/org/torproject/metrics/web/graphs/GraphParameterChecker.java
index c693706..e08a5bf 100644
--- a/website/src/main/java/org/torproject/metrics/web/graphs/GraphParameterChecker.java
+++ b/website/src/main/java/org/torproject/metrics/web/graphs/GraphParameterChecker.java
@@ -60,7 +60,7 @@ public class GraphParameterChecker {
"Running,Exit,Guard,Fast,Stable,HSDir");
StringBuilder sb = new StringBuilder("all");
for (String[] country : Countries.getInstance().getCountryList()) {
- sb.append("," + country[0]);
+ sb.append(",").append(country[0]);
}
this.knownParameterValues.put("country", sb.toString());
this.knownParameterValues.put("events", "on,off,points");
diff --git a/website/src/main/java/org/torproject/metrics/web/graphs/RObjectGenerator.java b/website/src/main/java/org/torproject/metrics/web/graphs/RObjectGenerator.java
index 719a5c4..7477303 100644
--- a/website/src/main/java/org/torproject/metrics/web/graphs/RObjectGenerator.java
+++ b/website/src/main/java/org/torproject/metrics/web/graphs/RObjectGenerator.java
@@ -135,21 +135,21 @@ public class RObjectGenerator implements ServletContextListener {
String parameterName = parameter.getKey();
String[] parameterValues = parameter.getValue();
for (String param : parameterValues) {
- imageFilenameBuilder.append("-" + param);
+ imageFilenameBuilder.append("-").append(param);
}
if (parameterValues.length < 2) {
- queryBuilder.append(parameterName + " = '" + parameterValues[0]
- + "', ");
+ queryBuilder.append(parameterName).append(" = '")
+ .append(parameterValues[0]).append("', ");
} else {
- queryBuilder.append(parameterName + " = c(");
+ queryBuilder.append(parameterName).append(" = c(");
for (int i = 0; i < parameterValues.length - 1; i++) {
- queryBuilder.append("'" + parameterValues[i] + "', ");
+ queryBuilder.append("'").append(parameterValues[i]).append("', ");
}
- queryBuilder.append("'" + parameterValues[
- parameterValues.length - 1] + "'), ");
+ queryBuilder.append("'").append(parameterValues[
+ parameterValues.length - 1]).append("'), ");
}
}
- imageFilenameBuilder.append("." + fileType);
+ imageFilenameBuilder.append(".").append(fileType);
String imageFilename = imageFilenameBuilder.toString();
queryBuilder.append("path = '%s')");
String query = queryBuilder.toString();
@@ -249,7 +249,7 @@ public class RObjectGenerator implements ServletContextListener {
* already running worker thread to finish and get its result. */
private RObject generateObject(String query, File objectFile,
String fileName, boolean checkCache) {
- RObjectGeneratorWorker worker = null;
+ RObjectGeneratorWorker worker;
synchronized (this.objectGeneratorThreads) {
if (this.objectGeneratorThreads.containsKey(query)) {
worker = this.objectGeneratorThreads.get(query);
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