From a771b207f88d0234279b3a8208105670256b5b34 Mon Sep 17 00:00:00 2001
From: ZhouXY108 <luquanlion@outlook.com>
Date: Sun, 23 Apr 2023 22:45:59 +0800
Subject: [PATCH] =?UTF-8?q?=E6=B7=BB=E5=8A=A0=20Predicates=20=E5=B7=A5?=
 =?UTF-8?q?=E5=85=B7=E7=B1=BB=E3=80=82?=
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---
 pom.xml                                       |  7 ++++++
 .../plusone/commons/function/Predicates.java  | 10 +++++++++
 .../commons/function/FunctionTests.java       | 22 +++++++++++++++++++
 3 files changed, 39 insertions(+)
 create mode 100644 src/main/java/xyz/zhouxy/plusone/commons/function/Predicates.java
 create mode 100644 src/test/java/xyz/zhouxy/plusone/commons/function/FunctionTests.java

diff --git a/pom.xml b/pom.xml
index 2544b51..bb2b9c9 100644
--- a/pom.xml
+++ b/pom.xml
@@ -28,6 +28,13 @@
             <version>${jackson.version}</version>
         </dependency>
 
+        <dependency>
+            <groupId>org.apache.commons</groupId>
+            <artifactId>commons-lang3</artifactId>
+            <version>3.12.0</version>
+            <scope>test</scope>
+        </dependency>
+
         <dependency>
             <groupId>ch.qos.logback</groupId>
             <artifactId>logback-classic</artifactId>
diff --git a/src/main/java/xyz/zhouxy/plusone/commons/function/Predicates.java b/src/main/java/xyz/zhouxy/plusone/commons/function/Predicates.java
new file mode 100644
index 0000000..d0ee32c
--- /dev/null
+++ b/src/main/java/xyz/zhouxy/plusone/commons/function/Predicates.java
@@ -0,0 +1,10 @@
+package xyz.zhouxy.plusone.commons.function;
+
+import java.util.function.Predicate;
+
+public class Predicates<T> {
+
+    public final Predicate<T> of(Predicate<? super T> predicate) {
+        return predicate::test;
+    }
+}
diff --git a/src/test/java/xyz/zhouxy/plusone/commons/function/FunctionTests.java b/src/test/java/xyz/zhouxy/plusone/commons/function/FunctionTests.java
new file mode 100644
index 0000000..ddf94b1
--- /dev/null
+++ b/src/test/java/xyz/zhouxy/plusone/commons/function/FunctionTests.java
@@ -0,0 +1,22 @@
+package xyz.zhouxy.plusone.commons.function;
+
+import java.util.function.Predicate;
+
+import org.apache.commons.lang3.StringUtils;
+import org.junit.jupiter.api.Test;
+import xyz.zhouxy.plusone.commons.util.Assert;
+
+class FunctionTests {
+
+    @Test
+    void test() {
+        String str = "";
+        Predicate<String> predicate = new Predicates<String>().of(this::nonNull)
+                .or(StringUtils::isNotBlank);
+        Assert.isTrue(predicate.test(str), "未通过");
+    }
+
+    boolean nonNull(Object obj) {
+        return obj != null;
+    }
+}