1.52

Author: MORIMORI0317

build.gradle

@@ -17,4 +17,10 @@ dependencies {
 
 test {
     useJUnitPlatform()
+}
+
+java {
+    toolchain {
+        languageVersion = JavaLanguageVersion.of(8)
+    }
 }

common/build.gradle

@@ -7,6 +7,12 @@ group rootProject.group
 archivesBaseName = rootProject.archivesBaseName
 version rootProject.version
 
+jar {
+    manifest {
+        attributes 'Implementation-Version': project.version
+    }
+}
+
 repositories {
     mavenCentral()
 }

common/src/main/java/dev/felnull/fnjl/FNJLBuildIn.java

@@ -1,5 +1,5 @@
 package dev.felnull.fnjl;
 
 public class FNJLBuildIn {
-    protected static final String VERSION = "1.51";
+    protected static final String VERSION = "1.52";
 }

common/src/main/java/dev/felnull/fnjl/util/FNDataUtil.java

@@ -13,9 +13,12 @@
 import java.nio.file.WatchEvent;
 import java.security.MessageDigest;
 import java.security.NoSuchAlgorithmException;
+import java.util.HashMap;
+import java.util.Map;
 import java.util.concurrent.atomic.AtomicInteger;
 import java.util.function.BiConsumer;
 import java.util.function.Consumer;
+import java.util.function.Function;
 import java.util.zip.GZIPInputStream;
 import java.util.zip.GZIPOutputStream;
 import java.util.zip.ZipEntry;
@@ -387,4 +390,23 @@ public static void readZipStreamed(InputStream zipStream, BiConsumer<ZipEntry, I
             }
         });
     }
+
+    /**
+     * メモ化
+     *
+     * @param function Function
+     * @param <T>      値
+     * @param <M>      結果
+     * @return メモ化済みFunction
+     */
+    public static <T, M> Function<T, M> memoize(final Function<T, M> function) {
+        return new Function<T, M>() {
+            private final Map<T, M> cache = new HashMap<>();
+
+            @Override
+            public M apply(T t) {
+                return cache.computeIfAbsent(t, function);
+            }
+        };
+    }
 }

common/src/main/java/dev/felnull/fnjl/util/FNStringUtil.java

@@ -16,6 +16,17 @@
 public class FNStringUtil {
     private static final String[] unit = {"K", "M", "G", "T", "P", "E", "Z", "Y"};
 
+    /**
+     * nullが渡されたら空を返す
+     *
+     * @param text テキスト
+     * @return 結果
+     */
+    public static String emptyIfNull(@Nullable String text) {
+        if (text == null) return "";
+        return text;
+    }
+
     /**
      * UTFエスケープシーケンス文字列を文字列に変換
      *

gradle.properties

@@ -1,3 +1,3 @@
 fnjl_group=dev.felnull
 fnjl_name=felnull-java-library
-fnjl_version=1.51
+fnjl_version=1.52

natives/build.gradle

@@ -6,6 +6,11 @@ plugins {
 group rootProject.group
 archivesBaseName = rootProject.archivesBaseName + "-natives"
 version rootProject.version
+jar {
+    manifest {
+        attributes 'Implementation-Version': project.version
+    }
+}
 
 repositories {
     mavenCentral()

natives/src/main/java/dev/felnull/fnjln/FNJLNBuildIn.java

@@ -1,7 +1,7 @@
 package dev.felnull.fnjln;
 
 public class FNJLNBuildIn {
-    protected static final String VERSION = "1.51";
+    protected static final String VERSION = "1.52";
 
     protected static final int NATIVE_LIBRARY_VERSION = 1;
 }