/* * The MIT License (MIT) * * Copyright (c) 2017-2020 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.Scalar; import org.cactoos.Text; import org.cactoos.scalar.And; import org.cactoos.scalar.IoChecked; import org.cactoos.scalar.Or; import org.cactoos.scalar.Unchecked; /** * Text envelope that provides {@link #equals(Object)} and {@link #hashCode()} * methods. * @since 0.32 * @checkstyle AbstractClassNameCheck (500 lines) */ public abstract class TextEnvelope implements Text { /** * String value of the envelope. */ private final IoChecked<String> origin; /** * Ctor. * @param text Text representing the text value. */ public TextEnvelope(final Text text) { this(new IoChecked<>(text::asString)); } /** * Ctor. * @param scalar Scalar representing the text value. */ public TextEnvelope(final Scalar<String> scalar) { this.origin = new IoChecked<>(scalar); } @Override public final String asString() throws IOException { return this.origin.value(); } @Override public final String toString() { return new UncheckedText(this).asString(); } @Override public final int hashCode() { return new Unchecked<>(this.origin).value().hashCode(); } @Override @edu.umd.cs.findbugs.annotations.SuppressFBWarnings("EQ_UNUSUAL") public final boolean equals(final Object obj) { return new Unchecked<>( new Or( () -> this == obj, new And( () -> obj instanceof Text, () -> new UncheckedText(this) .asString() .equals(new UncheckedText((Text) obj).asString()) ) ) ).value(); } }