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upgrade Try.java

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This commit is contained in:
ehlxr 2020-12-21 15:40:34 +08:00
parent 1f9e1a91e9
commit f75d44f4e4
1 changed files with 27 additions and 23 deletions
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50
src/main/java/io/github/ehlxr/utils/Try.java
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@ -32,7 +32,7 @@ public class Try {
public static class V { public static class V {
private final Void v; private final Void v;
private Consumer<? super Throwable> ec; private Consumer<? super Throwable> th;
V(Void v) { V(Void v) {
Objects.requireNonNull(v, "No value present"); Objects.requireNonNull(v, "No value present");
@ -46,25 +46,26 @@ public class Try {
try { try {
v.exec(); v.exec();
} catch (Throwable e) { } catch (Throwable e) {
Optional.ofNullable(ec).ifPresent(c -> c.accept(e)); Optional.ofNullable(th).ifPresent(c -> c.accept(e));
} }
} }
/** /**
* 如果有异常，调用自定义异常处理表达式 * 如果有异常，调用自定义异常处理表达式
* *
* @param c 自定义异常处理 lambda 表达式 * @param th 自定义异常处理 lambda 表达式
* @return {@link V} * @return {@link V}
*/ */
public V trap(Consumer<? super Throwable> c) { public V trap(Consumer<? super Throwable> th) {
ec = c; Objects.requireNonNull(th, "No value present");
this.th = th;
return this; return this;
} }
} }
public static class C<T> { public static class C<T> {
private final Consumer<? super T> consumer; private final Consumer<? super T> consumer;
private Consumer<? super Throwable> ec; private Consumer<? super Throwable> th;
C(Consumer<? super T> consumer) { C(Consumer<? super T> consumer) {
Objects.requireNonNull(consumer, "No value present"); Objects.requireNonNull(consumer, "No value present");
@ -80,25 +81,26 @@ public class Try {
try { try {
consumer.accept(t); consumer.accept(t);
} catch (Throwable e) { } catch (Throwable e) {
Optional.ofNullable(ec).ifPresent(c -> c.accept(e)); Optional.ofNullable(th).ifPresent(c -> c.accept(e));
} }
} }
/** /**
* 如果有异常,调用自定义异常处理表达式 * 如果有异常，调用自定义异常处理表达式
* *
* @param c 自定义异常处理 lambda 表达式 * @param th 自定义异常处理 lambda 表达式
* @return {@link C} * @return {@link C}
*/ */
public C<T> trap(Consumer<? super Throwable> c) { public C<T> trap(Consumer<? super Throwable> th) {
ec = c; Objects.requireNonNull(th, "No value present");
this.th = th;
return this; return this;
} }
} }
public static class S<R> { public static class S<R> {
private final Supplier<? extends R> supplier; private final Supplier<? extends R> supplier;
private Consumer<? super Throwable> ec; private Consumer<? super Throwable> th;
S(Supplier<? extends R> supplier) { S(Supplier<? extends R> supplier) {
Objects.requireNonNull(supplier, "No value present"); Objects.requireNonNull(supplier, "No value present");
@ -115,7 +117,7 @@ public class Try {
try { try {
return supplier.get(); return supplier.get();
} catch (Throwable e) { } catch (Throwable e) {
Optional.ofNullable(ec).ifPresent(c -> c.accept(e)); Optional.ofNullable(th).ifPresent(c -> c.accept(e));
return r; return r;
} }
} }
@ -124,7 +126,7 @@ public class Try {
try { try {
return supplier.get(); return supplier.get();
} catch (Throwable e) { } catch (Throwable e) {
Optional.ofNullable(ec).ifPresent(c -> c.accept(e)); Optional.ofNullable(th).ifPresent(c -> c.accept(e));
return null; return null;
} }
} }
@ -132,18 +134,19 @@ public class Try {
/** /**
* 如果有异常，调用自定义异常处理表达式 * 如果有异常，调用自定义异常处理表达式
* *
* @param c 自定义异常处理 lambda 表达式 * @param th 自定义异常处理 lambda 表达式
* @return {@link S} * @return {@link S}
*/ */
public S<R> trap(Consumer<? super Throwable> c) { public S<R> trap(Consumer<? super Throwable> th) {
ec = c; Objects.requireNonNull(th, "No value present");
this.th = th;
return this; return this;
} }
} }
public static class F<T, R> { public static class F<T, R> {
private final Function<? super T, ? extends R> function; private final Function<? super T, ? extends R> function;
private Consumer<? super Throwable> ec; private Consumer<? super Throwable> th;
F(Function<? super T, ? extends R> function) { F(Function<? super T, ? extends R> function) {
Objects.requireNonNull(function, "No value present"); Objects.requireNonNull(function, "No value present");
@ -161,7 +164,7 @@ public class Try {
try { try {
return function.apply(t); return function.apply(t);
} catch (Throwable e) { } catch (Throwable e) {
Optional.ofNullable(ec).ifPresent(c -> c.accept(e)); Optional.ofNullable(th).ifPresent(c -> c.accept(e));
return r; return r;
} }
} }
@ -170,7 +173,7 @@ public class Try {
try { try {
return function.apply(t); return function.apply(t);
} catch (Throwable e) { } catch (Throwable e) {
Optional.ofNullable(ec).ifPresent(c -> c.accept(e)); Optional.ofNullable(th).ifPresent(c -> c.accept(e));
return null; return null;
} }
} }
@ -178,11 +181,12 @@ public class Try {
/** /**
* 如果有异常，调用自定义异常处理表达式 * 如果有异常，调用自定义异常处理表达式
* *
* @param c 自定义异常处理 lambda 表达式 * @param th 自定义异常处理 lambda 表达式
* @return {@link F} * @return {@link F}
*/ */
public F<T, R> trap(Consumer<? super Throwable> c) { public F<T, R> trap(Consumer<? super Throwable> th) {
ec = c; Objects.requireNonNull(th, "No value present");
this.th = th;
return this; return this;
} }
} }