upgrade Try.java
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758df9c183
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@ -49,17 +49,15 @@ public class Try {
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return new Try.F<>(function);
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}
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public static Try.V of(Void v) {
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return new Try.V(v);
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}
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@SuppressWarnings("ConstantConditions")
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public static void main(String[] args) {
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String param = "10s";
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Long result = Try.<String, Long>of(Long::valueOf).get(param, -1L, Throwable::printStackTrace);
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System.out.println(result);
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// 有返回值,无入参
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System.out.println(Try.of(() -> Long.valueOf("s")).get(0L));
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System.out.println(Try.of(() -> Long.valueOf("s")).get(0L, e -> {
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}));
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System.out.println(Try.of(() -> Long.valueOf("21")).get(0L, e -> {
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}));
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@ -67,51 +65,20 @@ public class Try {
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System.out.println(Try.<String, Long>of(Long::valueOf).get("s", 0L, e -> {
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}));
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ArrayList<String> list = new ArrayList<>();
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ArrayList<String> list = null;
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// 无返回值,无入参
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Try.<String>of(e1 -> list.clear()).accept(null, e -> System.out.println("...." + e.getMessage()));
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Try.of(() -> Thread.sleep(-1L)).exec();
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// 无返回值,有入参
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Try.<String>
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of(v -> list.add(10, v))
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.accept("test", e -> System.out.println(e.getMessage()));
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of(v -> list.add(0, v))
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.accept("test", e -> System.out.println("222222" + e.getMessage()));
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}
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public static class C<T> {
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private final Consumer<? super T> consumer;
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C(Consumer<? super T> consumer) {
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Objects.requireNonNull(consumer, "No value present");
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this.consumer = consumer;
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}
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/**
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* 如果有异常忽略,否则计算结果
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*
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* @param t 要计算的入参
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*/
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public void accept(T t) {
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try {
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consumer.accept(t);
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} catch (Throwable e) {
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e.printStackTrace();
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}
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}
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/**
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* 如果有异常调用自定义异常处理表达式并返回默认值,否则返回计算结果
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*
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* @param t 要计算的入参
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* @param e 自定义异常处理 lambda 表达式
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*/
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public void accept(T t, Consumer<? super Throwable> e) {
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try {
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consumer.accept(t);
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} catch (Throwable th) {
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e.accept(th);
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}
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}
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@FunctionalInterface
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public interface Void {
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void exec() throws Throwable;
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}
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public static class S<R> {
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@ -197,4 +164,73 @@ public class Try {
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}
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}
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}
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}
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public static class V {
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private final Void v;
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V(Void v) {
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Objects.requireNonNull(v, "No value present");
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this.v = v;
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}
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/**
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* 如果有异常忽略,否则计算结果
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*/
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public void exec() {
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try {
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v.exec();
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} catch (Throwable e) {
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e.printStackTrace();
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}
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}
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/**
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* 如果有异常调用自定义异常处理表达式并返回默认值,否则计算结果
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*
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* @param e 自定义异常处理 lambda 表达式
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*/
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public void exec(Consumer<? super Throwable> e) {
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try {
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v.exec();
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} catch (Throwable th) {
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e.accept(th);
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}
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}
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}
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public static class C<T> {
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private final Consumer<? super T> consumer;
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C(Consumer<? super T> consumer) {
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Objects.requireNonNull(consumer, "No value present");
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this.consumer = consumer;
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}
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/**
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* 如果有异常忽略,否则计算结果
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*
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* @param t 要计算的入参
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*/
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public void accept(T t) {
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try {
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consumer.accept(t);
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} catch (Throwable e) {
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e.printStackTrace();
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}
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}
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/**
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* 如果有异常调用自定义异常处理表达式并返回默认值,否则计算结果
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*
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* @param t 要计算的入参
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* @param e 自定义异常处理 lambda 表达式
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*/
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public void accept(T t, Consumer<? super Throwable> e) {
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try {
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consumer.accept(t);
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} catch (Throwable th) {
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e.accept(th);
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}
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}
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}
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}
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