From 861b0a1c62b1d23eab03e767e932d0f99a99905b Mon Sep 17 00:00:00 2001
From: huanghongxun <huanghongxun2008@126.com>
Date: Thu, 15 Aug 2019 12:53:52 +0800
Subject: [PATCH] Add exceptional functional interfaces

---
 .../util/function/ExceptionalBiConsumer.java  | 33 +++++++++++++++++++
 .../util/function/ExceptionalBiFunction.java  | 29 ++++++++++++++++
 2 files changed, 62 insertions(+)
 create mode 100644 HMCLCore/src/main/java/org/jackhuang/hmcl/util/function/ExceptionalBiConsumer.java
 create mode 100644 HMCLCore/src/main/java/org/jackhuang/hmcl/util/function/ExceptionalBiFunction.java

diff --git a/HMCLCore/src/main/java/org/jackhuang/hmcl/util/function/ExceptionalBiConsumer.java b/HMCLCore/src/main/java/org/jackhuang/hmcl/util/function/ExceptionalBiConsumer.java
new file mode 100644
index 000000000..cd5e87a2f
--- /dev/null
+++ b/HMCLCore/src/main/java/org/jackhuang/hmcl/util/function/ExceptionalBiConsumer.java
@@ -0,0 +1,33 @@
+/*
+ * Hello Minecraft! Launcher
+ * Copyright (C) 2019  huangyuhui <huanghongxun2008@126.com> and contributors
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+package org.jackhuang.hmcl.util.function;
+
+import static java.util.Objects.requireNonNull;
+
+public interface ExceptionalBiConsumer<T, U, E extends Exception> {
+    void accept(T t, U u) throws E;
+
+    default ExceptionalBiConsumer<T, U, ?> andThen(ExceptionalBiConsumer<? super T, ? super U, ?> after) {
+        requireNonNull(after);
+
+        return (l, r) -> {
+            this.accept(l, r);
+            after.accept(l, r);
+        };
+    }
+}
diff --git a/HMCLCore/src/main/java/org/jackhuang/hmcl/util/function/ExceptionalBiFunction.java b/HMCLCore/src/main/java/org/jackhuang/hmcl/util/function/ExceptionalBiFunction.java
new file mode 100644
index 000000000..3e8701438
--- /dev/null
+++ b/HMCLCore/src/main/java/org/jackhuang/hmcl/util/function/ExceptionalBiFunction.java
@@ -0,0 +1,29 @@
+/*
+ * Hello Minecraft! Launcher
+ * Copyright (C) 2019  huangyuhui <huanghongxun2008@126.com> and contributors
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+package org.jackhuang.hmcl.util.function;
+
+import static java.util.Objects.requireNonNull;
+
+public interface ExceptionalBiFunction<T, U, R, E extends Exception> {
+    R apply(T t, U u) throws E;
+
+    default <V> ExceptionalBiFunction<T, U, V, ?> andThen(ExceptionalFunction<? super R, ? extends V, ?> after) {
+        requireNonNull(after);
+        return (t, u) -> after.apply(apply(t, u));
+    }
+}
\ No newline at end of file