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8 changes: 8 additions & 0 deletions
8
litool-core/src/main/java/io/leaderli/litool/core/function/Chain.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,8 @@ | ||
| package io.leaderli.litool.core.function; | ||
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| public interface Chain<T> { | ||
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| Chain<T> addHead(T filter); | ||
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| Chain<T> add(T filter); | ||
| } |
51 changes: 51 additions & 0 deletions
51
litool-core/src/main/java/io/leaderli/litool/core/lang/FilterChain.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,51 @@ | ||
| package io.leaderli.litool.core.lang; | ||
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| import io.leaderli.litool.core.function.Chain; | ||
| import io.leaderli.litool.core.function.Filter; | ||
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| import java.util.ArrayList; | ||
| import java.util.List; | ||
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| public class FilterChain<T> implements Filter<T>, Chain<Filter<T>> { | ||
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| private final List<Filter<T>> chain = new ArrayList<>(); | ||
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| public FilterChain() { | ||
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| } | ||
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| public FilterChain(Filter<T> filter) { | ||
| add(filter); | ||
| } | ||
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| @Override | ||
| public Boolean apply(T t) { | ||
| for (Filter<T> filter : chain) { | ||
| if (!filter.apply(t)) { | ||
| return false; | ||
| } | ||
| } | ||
| return true; | ||
| } | ||
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| @SuppressWarnings("unchecked") | ||
| public FilterChain<T> addHead(Filter<T> filter) { | ||
| if (filter instanceof FilterChain) { | ||
| ((FilterChain<Object>) filter).chain.forEach(f -> addHead((Filter<T>) f)); | ||
| } else { | ||
| chain.add(0, filter); | ||
| } | ||
| return this; | ||
| } | ||
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| @SuppressWarnings("unchecked") | ||
| public FilterChain<T> add(Filter<T> filter) { | ||
| if (filter instanceof FilterChain) { | ||
| ((FilterChain<Object>) filter).chain.forEach(f -> add((Filter<T>) f)); | ||
| } else { | ||
| chain.add(filter); | ||
| } | ||
| return this; | ||
| } | ||
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| } |
88 changes: 88 additions & 0 deletions
88
litool-core/src/main/java/io/leaderli/litool/core/type/MethodFilter.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,88 @@ | ||
| package io.leaderli.litool.core.type; | ||
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| import io.leaderli.litool.core.function.Chain; | ||
| import io.leaderli.litool.core.function.Filter; | ||
| import io.leaderli.litool.core.lang.FilterChain; | ||
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| import java.lang.reflect.Method; | ||
| import java.util.Objects; | ||
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| public class MethodFilter implements Filter<Method>, Chain<Filter<Method>> { | ||
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| private final FilterChain<Method> filter = new FilterChain<>(); | ||
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| @Override | ||
| public Boolean apply(Method method) { | ||
| return filter.apply(method); | ||
| } | ||
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| // public static class Builder { | ||
| // | ||
| // | ||
| public static MethodFilter isMethod() { | ||
| return new MethodFilter().add(Objects::nonNull); | ||
| } | ||
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| public static MethodFilter name(String name) { | ||
| return new MethodFilter().add(m -> m.getName().equals(name)); | ||
| } | ||
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| public static MethodFilter isPublic() { | ||
| return new MethodFilter().add(ModifierUtil::isPublic); | ||
| } | ||
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| public static MethodFilter of(Filter<Method> filter) { | ||
| return new MethodFilter().add(filter); | ||
| } | ||
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| // public MethodFilter name(String name) { | ||
| // return new MethodFilter().add(m -> m.getName().equals(name)); | ||
| // } | ||
| // | ||
| // public void returnType(Class<?> returnType) { | ||
| // this.returnType = returnType; | ||
| // } | ||
| // | ||
| // public void parameterType(Class<?>[] parameterType) { | ||
| // this.parameterType = parameterType; | ||
| // } | ||
| // | ||
| // public void parameterlenth(Class<?>[] parameterlenth) { | ||
| // this.parameterlenth = parameterlenth; | ||
| // } | ||
| // | ||
| // public void annotated(Class<? extends Annotation> annotated) { | ||
| // this.annotated = annotated; | ||
| // } | ||
| // | ||
| public void modifiers(int modifiers) { | ||
| } | ||
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| @Override | ||
| public MethodFilter addHead(Filter<Method> filter) { | ||
| this.filter.addHead(filter); | ||
| return this; | ||
| } | ||
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| @Override | ||
| public MethodFilter add(Filter<Method> filter) { | ||
| this.filter.add(filter); | ||
| return this; | ||
| } | ||
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| // public void isAbstract() { | ||
| // this.modifiers |= Modifier.ABSTRACT; | ||
| // } | ||
| // | ||
| // public void isStatic() { | ||
| // this.modifiers |= Modifier.STATIC; | ||
| // } | ||
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| // } | ||
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| } |
55 changes: 55 additions & 0 deletions
55
litool-core/src/test/java/io/leaderli/litool/core/lang/FilterChainTest.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,55 @@ | ||
| package io.leaderli.litool.core.lang; | ||
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| import io.leaderli.litool.core.meta.LiBox; | ||
| import org.junit.jupiter.api.Assertions; | ||
| import org.junit.jupiter.api.Test; | ||
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| class FilterChainTest { | ||
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| @Test | ||
| void test() { | ||
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| FilterChain<Integer> filter = new FilterChain<>(); | ||
| filter.add(i -> i > 10); | ||
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| Assertions.assertTrue(filter.apply(11)); | ||
| Assertions.assertFalse(filter.apply(9)); | ||
| filter.add(i -> i < 100); | ||
| Assertions.assertTrue(filter.apply(11)); | ||
| Assertions.assertFalse(filter.apply(101)); | ||
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| FilterChain<Integer> filter2 = new FilterChain<>(); | ||
| filter2.add(filter); | ||
| Assertions.assertFalse(filter2.apply(9)); | ||
| Assertions.assertTrue(filter2.apply(11)); | ||
| Assertions.assertFalse(filter2.apply(101)); | ||
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| FilterChain<Integer> filter3 = new FilterChain<>(); | ||
| filter3.add(filter2); | ||
| filter3.add(i -> i % 2 == 0); | ||
| Assertions.assertFalse(filter3.apply(9)); | ||
| Assertions.assertTrue(filter3.apply(12)); | ||
| Assertions.assertFalse(filter3.apply(11)); | ||
| Assertions.assertFalse(filter3.apply(101)); | ||
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| FilterChain<Integer> filter4 = new FilterChain<>(); | ||
| LiBox<Integer> box = LiBox.of(0); | ||
| filter4.add(i -> { | ||
| box.value(1); | ||
| return true; | ||
| }); | ||
| filter4.add(i -> { | ||
| box.value(2); | ||
| return false; | ||
| }); | ||
| filter4.apply(1); | ||
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| Assertions.assertEquals(2, box.value()); | ||
| box.value(0); | ||
| filter4.addHead(i -> false); | ||
| filter4.apply(1); | ||
| Assertions.assertEquals(0, box.value()); | ||
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| } | ||
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| } |
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14 changes: 0 additions & 14 deletions
14
litool-test/src/main/java/io/leaderli/litool/test/MethodFilter.java
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