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    • net.bytebuddy.matcher.BooleanMatcher Maven / Gradle / Ivy

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    Byte Buddy is a Java library for creating Java classes at run time. This artifact is a build of Byte Buddy with a remaining dependency onto ASM. You should never depend on this module without repackaging Byte Buddy and ASM into your own namespace.

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    /*
 * Copyright 2014 - Present Rafael Winterhalter
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package net.bytebuddy.matcher;

import net.bytebuddy.build.HashCodeAndEqualsPlugin;
import net.bytebuddy.utility.nullability.MaybeNull;

/**
 * An element matcher that returns a fixed result.
 *
 * @param  The actual matched type of this matcher.
 */
@HashCodeAndEqualsPlugin.Enhance
public class BooleanMatcher extends ElementMatcher.Junction.AbstractBase {

    /**
     * A matcher that always returns {@code true}.
     */
    private static final BooleanMatcher TRUE = new BooleanMatcher(true);

    /**
     * A matcher that always returns {@code false}.
     */
    private static final BooleanMatcher FALSE = new BooleanMatcher(false);

    /**
     * Returns an element matcher that returns the provided result.
     *
     * @param      The type of the matched entity.
     * @param matches A matcher that always matches or never matches.
     * @return A matcher that returns the provided result for all inputs.
     */
    @SuppressWarnings("unchecked")
    public static  ElementMatcher.Junction of(boolean matches) {
        return (ElementMatcher.Junction) (matches ? TRUE : FALSE);
    }

    /**
     * The predefined result.
     */
    protected final boolean matches;

    /**
     * Creates a new boolean element matcher.
     *
     * @param matches The predefined result.
     */
    public BooleanMatcher(boolean matches) {
        this.matches = matches;
    }

    /**
     * {@inheritDoc}
     */
    public boolean matches(@MaybeNull T target) {
        return matches;
    }

    @Override
    public String toString() {
        return Boolean.toString(matches);
    }
}
    
    
    
    

    




    
    
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