ZhouXY108/hutool
1
0
Fork 0
mirror of https://gitee.com/chinabugotech/hutool.git synced 2025-04-19 03:01:48 +08:00
Code Issues Packages Projects Releases Wiki Activity

add methods

Browse Source
This commit is contained in:
Looly 2024-05-15 22:59:05 +08:00
parent 7f906049f5
commit aae583e57f
1 changed files with 25 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

30
hutool-core/src/main/java/org/dromara/hutool/core/reflect/method/MethodHandleUtil.java
View File

@ -18,6 +18,7 @@ import org.dromara.hutool.core.lang.Assert;
import org.dromara.hutool.core.reflect.lookup.LookupUtil; import org.dromara.hutool.core.reflect.lookup.LookupUtil;
import java.lang.invoke.MethodHandle; import java.lang.invoke.MethodHandle;
import java.lang.invoke.MethodHandles;
import java.lang.reflect.Method; import java.lang.reflect.Method;
/** /**
@ -105,14 +106,33 @@ public class MethodHandleUtil {
* @return 结果 * @return 结果
* @throws HutoolException 执行异常包装 * @throws HutoolException 执行异常包装
*/ */
@SuppressWarnings("unchecked")
public static <T> T invokeExact(final Object obj, final Method method, final Object... args) throws HutoolException{ public static <T> T invokeExact(final Object obj, final Method method, final Object... args) throws HutoolException{
Assert.notNull(method, "Method must be not null!"); Assert.notNull(method, "Method must be not null!");
MethodHandle handle;
try {
handle = LookupUtil.unreflectMethod(method);
} catch (final Throwable e) {
throw ExceptionUtil.wrapRuntime(e);
}
if (null != obj) {
handle = handle.bindTo(obj);
}
return invokeWithArguments(handle, args);
}
/**
* 执行方法句柄，{@link MethodHandle#invokeWithArguments(Object...)}包装<br>
*
* @param handle {@link MethodHandle}
* @param args 方法参数值，支持子类转换和自动拆装箱
* @param <T> 返回值类型
* @return 方法返回值
*/
@SuppressWarnings("unchecked")
public static <T> T invokeWithArguments(final MethodHandle handle, final Object... args){
Assert.notNull(handle, "MethodHandle must be not null!");
try { try {
MethodHandle handle = LookupUtil.unreflectMethod(method);
if (null != obj) {
handle = handle.bindTo(obj);
}
return (T) handle.invokeWithArguments(args); return (T) handle.invokeWithArguments(args);
} catch (final Throwable e) { } catch (final Throwable e) {
throw ExceptionUtil.wrapRuntime(e); throw ExceptionUtil.wrapRuntime(e);