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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,115 @@ | ||
| /* | ||
| * The MIT License (MIT) | ||
| * | ||
| * Copyright (c) 2017-2022 Yegor Bugayenko | ||
| * | ||
| * Permission is hereby granted, free of charge, to any person obtaining a copy | ||
| * of this software and associated documentation files (the "Software"), to deal | ||
| * in the Software without restriction, including without limitation the rights | ||
| * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | ||
| * copies of the Software, and to permit persons to whom the Software is | ||
| * furnished to do so, subject to the following conditions: | ||
| * | ||
| * The above copyright notice and this permission notice shall be included | ||
| * in all copies or substantial portions of the Software. | ||
| * | ||
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | ||
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | ||
| * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE | ||
| * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | ||
| * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | ||
| * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | ||
| * SOFTWARE. | ||
| */ | ||
| package org.cactoos.text; | ||
|
|
||
| import java.io.IOException; | ||
| import org.cactoos.Func; | ||
| import org.cactoos.Text; | ||
| import org.cactoos.func.UncheckedFunc; | ||
|
|
||
| /** | ||
| * Text that doesn't throw checked {@link Exception}, but only | ||
| * throws {@link IOException}. | ||
| * | ||
| * <p>There is no thread-safety guarantee. | ||
| * | ||
| * @since 0.51 | ||
| */ | ||
| public final class IoCheckedText implements Text { | ||
|
|
||
| /** | ||
| * Original text. | ||
| */ | ||
| private final Text text; | ||
|
|
||
| /** | ||
| * Fallback. | ||
| */ | ||
| private final Func<Exception, String> fallback; | ||
|
|
||
| /** | ||
| * Ctor. | ||
| * @param txt Encapsulated text | ||
| * @since 0.9 | ||
| */ | ||
| public IoCheckedText(final CharSequence txt) { | ||
| this(new TextOf(txt)); | ||
| } | ||
|
|
||
| /** | ||
| * Ctor. | ||
| * @param txt Encapsulated text | ||
| */ | ||
| @SuppressWarnings("PMD.AvoidThrowingRawExceptionTypes") | ||
| public IoCheckedText(final Text txt) { | ||
| this( | ||
| txt, | ||
| error -> { | ||
| throw new RuntimeException(error); | ||
| } | ||
| ); | ||
| } | ||
|
|
||
| /** | ||
| * Ctor. | ||
| * @param txt Encapsulated text | ||
| * @param fbk Fallback func if {@link Exception} happens | ||
| * @since 0.5 | ||
| */ | ||
| public IoCheckedText(final Text txt, final Func<Exception, String> fbk) { | ||
| this.text = txt; | ||
| this.fallback = fbk; | ||
| } | ||
|
|
||
| @Override | ||
| @SuppressWarnings({"PMD.AvoidCatchingGenericException", "PMD.AvoidRethrowingException"}) | ||
| public String asString() throws IOException { | ||
| String txt; | ||
| try { | ||
| txt = this.text.asString(); | ||
| } catch (final IOException ex) { | ||
| throw ex; | ||
| // @checkstyle IllegalCatchCheck (1 line) | ||
| } catch (final Exception ex) { | ||
| txt = new UncheckedFunc<>(this.fallback).apply(ex); | ||
| } | ||
| return txt; | ||
| } | ||
|
|
||
| @Override | ||
| public String toString() { | ||
| return new UncheckedText(this).toString(); | ||
| } | ||
|
|
||
| @Override | ||
| public boolean equals(final Object obj) { | ||
| return new UncheckedText(this).equals(obj); | ||
| } | ||
|
|
||
| @Override | ||
| public int hashCode() { | ||
| return this.toString().hashCode(); | ||
| } | ||
|
|
||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,153 @@ | ||
| /* | ||
| * The MIT License (MIT) | ||
| * | ||
| * Copyright (c) 2017-2022 Yegor Bugayenko | ||
| * | ||
| * Permission is hereby granted, free of charge, to any person obtaining a copy | ||
| * of this software and associated documentation files (the "Software"), to deal | ||
| * in the Software without restriction, including without limitation the rights | ||
| * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | ||
| * copies of the Software, and to permit persons to whom the Software is | ||
| * furnished to do so, subject to the following conditions: | ||
| * | ||
| * The above copyright notice and this permission notice shall be included | ||
| * in all copies or substantial portions of the Software. | ||
| * | ||
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | ||
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | ||
| * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE | ||
| * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | ||
| * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | ||
| * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | ||
| * SOFTWARE. | ||
| */ | ||
| package org.cactoos.text; | ||
|
|
||
| import java.io.IOException; | ||
| import org.cactoos.Text; | ||
| import org.hamcrest.core.IsEqual; | ||
| import org.hamcrest.core.IsNot; | ||
| import org.hamcrest.core.StringContains; | ||
| import org.hamcrest.object.HasToString; | ||
| import org.junit.jupiter.api.Test; | ||
| import org.llorllale.cactoos.matchers.Assertion; | ||
| import org.llorllale.cactoos.matchers.Throws; | ||
|
|
||
| /** | ||
| * Test case for {@link IoCheckedText}. | ||
| * | ||
| * @since 0.51 | ||
| * @checkstyle JavadocMethodCheck (500 lines) | ||
| * @checkstyle ClassDataAbstractionCouplingCheck (500 lines) | ||
| */ | ||
| final class IoCheckedTextTest { | ||
|
|
||
| @Test | ||
| void rethrowsCheckedIoException() { | ||
| final String msg = "intended IO error"; | ||
| new Assertion<>( | ||
| "Must throw same IO exception", | ||
| new IoCheckedText( | ||
| () -> { | ||
| throw new IOException(msg); | ||
| } | ||
| )::asString, | ||
| new Throws<>( | ||
| new StringContains(msg), | ||
| IOException.class | ||
| ) | ||
| ).affirm(); | ||
| } | ||
|
|
||
| @Test | ||
| @SuppressWarnings("PMD.AvoidThrowingRawExceptionTypes") | ||
| void rethrowsCheckedToUncheckedException() { | ||
| final String msg = "intended"; | ||
| new Assertion<>( | ||
| "Must throw an exception when something goes wrong", | ||
| new IoCheckedText( | ||
| () -> { | ||
| throw new Exception(msg); | ||
| } | ||
| )::asString, | ||
| new Throws<>( | ||
| new StringContains(msg), | ||
| RuntimeException.class | ||
| ) | ||
| ).affirm(); | ||
| } | ||
|
|
||
| @Test | ||
| void toStringMustReturnSameOfAsString() { | ||
| final String text = "one"; | ||
| new Assertion<>( | ||
| "Must implement #toString which returns the same of #asString", | ||
| new IoCheckedText( | ||
| new TextOf(text) | ||
| ), | ||
| new HasToString<>( | ||
| new IsEqual<>(text) | ||
| ) | ||
| ).affirm(); | ||
| } | ||
|
|
||
| @Test | ||
| void equalsToTheSameTextObject() { | ||
| final Text text = new TextOf("anything"); | ||
| new Assertion<>( | ||
| "Must match text representing the same value", | ||
| new IoCheckedText(text), | ||
| new IsEqual<>(text) | ||
| ).affirm(); | ||
| } | ||
|
|
||
| @Test | ||
| void equalsOtherTextRepresentingTheSameValue() { | ||
| new Assertion<>( | ||
| "Must match another text representing the same value", | ||
| new IoCheckedText( | ||
| new TextOf("abcdefghijkl") | ||
| ), | ||
| new IsEqual<>( | ||
| new Concatenated("ab", "cde", "fghi", "j", "kl") | ||
| ) | ||
| ).affirm(); | ||
| } | ||
|
|
||
| @Test | ||
| void equalsNonTextObject() { | ||
| new Assertion<>( | ||
| "Must does not match another object which is not a string", | ||
| new IoCheckedText( | ||
| new TextOf("is not equals to null") | ||
| ), | ||
| new IsNot<>( | ||
| new IsEqual<>(new Object()) | ||
| ) | ||
| ).affirm(); | ||
| } | ||
|
|
||
| @Test | ||
| @SuppressWarnings("PMD.EqualsNull") | ||
| void notEqualsWhenAnObjectIsNull() { | ||
| new Assertion<>( | ||
| "Must match equals null", | ||
| new IoCheckedText( | ||
| new TextOf("is not equals to not Text object") | ||
| ).equals(null), | ||
| new IsEqual<>(false) | ||
| ).affirm(); | ||
| } | ||
|
|
||
| @Test | ||
| void matchTheSameHashCode() { | ||
| final String text = "hashCode"; | ||
| new Assertion<>( | ||
| "Must match its represented String hashcode", | ||
| new IoCheckedText( | ||
| new TextOf(text) | ||
| ).hashCode(), | ||
| new IsEqual<>(text.hashCode()) | ||
| ).affirm(); | ||
| } | ||
| } |