From a3b9b0ac6b27f7b60a74112521f0cfce9857f203 Mon Sep 17 00:00:00 2001
From: looly <loolly@gmail.com>
Date: Tue, 4 Jan 2022 07:15:20 +0800
Subject: [PATCH] add CheckedUtil

---
 CHANGELOG.md                                                | 1 +
 .../main/java/cn/hutool/core/exceptions/CheckedUtil.java    | 3 +++
 .../java/cn/hutool/core/exceptions/CheckedUtilTest.java     | 6 ++++--
 3 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index d9e8aaf9a..b6a1c1642 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -10,6 +10,7 @@
 * 【core   】     优化ArrayUtil.isAllEmpty性能（pr#2045@Github）
 * 【core   】     CharSequenceUtil.replace方法支持增补字符（pr#2041@Github）
 * 【extra  】     增加SshjSftp（pr#493@Gitee）
+* 【core   】     增加CheckedUtil（pr#491@Gitee）
 
 ### 🐞Bug修复
 * 【http   】     HttpUtil重定向次数失效问题（issue#I4O28Q@Gitee）
diff --git a/hutool-core/src/main/java/cn/hutool/core/exceptions/CheckedUtil.java b/hutool-core/src/main/java/cn/hutool/core/exceptions/CheckedUtil.java
index 58ba7444c..f64fdd478 100644
--- a/hutool-core/src/main/java/cn/hutool/core/exceptions/CheckedUtil.java
+++ b/hutool-core/src/main/java/cn/hutool/core/exceptions/CheckedUtil.java
@@ -38,6 +38,7 @@ import java.util.Objects;
  * </pre>
  *
  * @author conder
+ * @since 5.7.19
  */
 public class CheckedUtil {
 
@@ -270,6 +271,7 @@ public class CheckedUtil {
 	}
 
 	public interface FuncRt<P, R> extends Func<P, R> {
+		@SuppressWarnings("unchecked")
 		R call(P... parameters) throws RuntimeException;
 	}
 
@@ -282,6 +284,7 @@ public class CheckedUtil {
 	}
 
 	public interface VoidFuncRt<P> extends VoidFunc<P> {
+		@SuppressWarnings("unchecked")
 		void call(P... parameters) throws RuntimeException;
 	}
 
diff --git a/hutool-core/src/test/java/cn/hutool/core/exceptions/CheckedUtilTest.java b/hutool-core/src/test/java/cn/hutool/core/exceptions/CheckedUtilTest.java
index 10b007b23..fbfe82cb2 100644
--- a/hutool-core/src/test/java/cn/hutool/core/exceptions/CheckedUtilTest.java
+++ b/hutool-core/src/test/java/cn/hutool/core/exceptions/CheckedUtilTest.java
@@ -29,18 +29,20 @@ public class CheckedUtilTest {
 	}
 
 
+	@SuppressWarnings("ConstantConditions")
 	@Test
 	public void supplierTest() {
 		File noFile = new File("./no-file");
 		try {
 			//本行代码原本需要抛出受检查异常，现在只抛出运行时异常
-			FileInputStream stream = CheckedUtil.uncheck(() -> new FileInputStream(noFile)).call();
+			CheckedUtil.uncheck(() -> new FileInputStream(noFile)).call();
 		} catch (Exception re) {
 			Assert.assertTrue(re instanceof RuntimeException);
 		}
 
 	}
 
+	@SuppressWarnings("ConstantConditions")
 	@Test
 	public void functionTest() {
 		Func1<String, String> afunc = (funcParam) -> {
@@ -55,7 +57,7 @@ public class CheckedUtilTest {
 
 		try {
 			//本行代码原本需要抛出受检查异常，现在只抛出运行时异常
-			String reslut = CheckedUtil.uncheck(afunc).call("hello world");
+			CheckedUtil.uncheck(afunc).call("hello world");
 		} catch (Exception re) {
 			Assert.assertTrue(re instanceof RuntimeException);
 		}