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package com.fitbur.bytebuddy.matcher;

import com.fitbur.bytebuddy.description.NamedElement;

/**
 * A method matcher that matches a byte code element's source code name:
 * 
 * The source code name of types is equal to their binary name where arrays are appended a {@code []} by
 * their arity and where inner classes are appended by dots to their outer class's source name.
 * Constructors and the type initializer methods are represented by the empty string as they do not
 * represent a source code name.
 * Fields are named as in the source code.
 * 
 *
 * @param  The type of the matched entity.
 */
public class NameMatcher extends ElementMatcher.Junction.AbstractBase {

    /**
     * The matcher that is applied to a byte code element's source code name.
     */
    private final ElementMatcher nameMatcher;

    /**
     * Creates a new matcher for a byte code element's source name.
     *
     * @param nameMatcher The matcher that is applied to a byte code element's source code name.
     */
    public NameMatcher(ElementMatcher nameMatcher) {
        this.nameMatcher = nameMatcher;
    }

    @Override
    public boolean matches(T target) {
        return nameMatcher.matches(target.getSourceCodeName());
    }

    @Override
    public boolean equals(Object other) {
        return this == other || !(other == null || getClass() != other.getClass())
                && nameMatcher.equals(((NameMatcher) other).nameMatcher);
    }

    @Override
    public int hashCode() {
        return nameMatcher.hashCode();
    }

    @Override
    public String toString() {
        return "name(" + nameMatcher + ")";
    }
}