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-rw-r--r--juick-core/src/main/java/com/juick/util/PrettyTimeFormatter.java36
1 files changed, 36 insertions, 0 deletions
diff --git a/juick-core/src/main/java/com/juick/util/PrettyTimeFormatter.java b/juick-core/src/main/java/com/juick/util/PrettyTimeFormatter.java
new file mode 100644
index 00000000..69be724b
--- /dev/null
+++ b/juick-core/src/main/java/com/juick/util/PrettyTimeFormatter.java
@@ -0,0 +1,36 @@
+package com.juick.util;
+
+import org.ocpsoft.prettytime.PrettyTime;
+
+import java.util.Date;
+import java.util.LinkedHashMap;
+import java.util.Locale;
+import java.util.Map;
+
+/**
+ * Created by vitalyster on 04.05.2017.
+ */
+public class PrettyTimeFormatter {
+ private static final int MAX_CACHE_SIZE = 20;
+
+ // Cache PrettyTime per locale. LRU cache to prevent memory leak.
+ private static final Map<Locale, PrettyTime> PRETTY_TIME_LOCALE_MAP =
+ new LinkedHashMap<Locale, PrettyTime>(MAX_CACHE_SIZE + 1, 1.1F, true)
+ {
+ @Override
+ protected boolean removeEldestEntry(Map.Entry<Locale, PrettyTime> eldest)
+ {
+ return size() > MAX_CACHE_SIZE;
+ }
+ };
+
+ public String format(final Locale locale, final Date value)
+ {
+ PrettyTime prettyTime;
+
+ synchronized (PRETTY_TIME_LOCALE_MAP) {
+ prettyTime = PRETTY_TIME_LOCALE_MAP.computeIfAbsent(locale, PrettyTime::new);
+ }
+ return prettyTime.format(value);
+ }
+}