AbstractMatcher.java

/*
 * Copyright (C) 2014, Andrey Loskutov <loskutov@gmx.de> and others
 *
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Distribution License v. 1.0 which is available at
 * https://www.eclipse.org/org/documents/edl-v10.php.
 *
 * SPDX-License-Identifier: BSD-3-Clause
 */
package org.eclipse.jgit.ignore.internal;

import org.eclipse.jgit.ignore.IMatcher;

/**
 * Base class for default methods as {@link #toString()} and such.
 * <p>
 * This class is immutable and thread safe.
 */
public abstract class AbstractMatcher implements IMatcher {

    final boolean dirOnly;

    final String pattern;

    /**
     * @param pattern
     *            string to parse
     * @param dirOnly
     *            true if this matcher should match only directories
     */
    AbstractMatcher(String pattern, boolean dirOnly) {
        this.pattern = pattern;
        this.dirOnly = dirOnly;
    }

    /** {@inheritDoc} */
    @Override
    public String toString() {
        return pattern;
    }

    /** {@inheritDoc} */
    @Override
    public int hashCode() {
        return pattern.hashCode();
    }

    /** {@inheritDoc} */
    @Override
    public boolean equals(Object obj) {
        if (this == obj)
            return true;
        if (!(obj instanceof AbstractMatcher))
            return false;
        AbstractMatcher other = (AbstractMatcher) obj;
        return dirOnly == other.dirOnly && pattern.equals(other.pattern);
    }
}