/*
 * The MIT License
 *
 * Copyright (c) 2019 CloudBees, Inc.
 *
 * 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 NONINFRINGEMENT. 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.jenkinsci.plugins.credentialsbinding.masking;

import hudson.ExtensionList;
import hudson.ExtensionPoint;
import org.kohsuke.accmod.Restricted;
import org.kohsuke.accmod.restrictions.NoExternalUse;

import javax.annotation.Nonnull;
import java.util.Collection;
import java.util.Comparator;
import java.util.TreeSet;
import java.util.regex.Pattern;

/**
 * Quotes strings according to quotation rules of various programs. Sometimes confused with escaping, quoting is done
 * to pass literal strings in a shell or other interpreter.
 *
 * @since TODO
 */
public interface PatternMaskerProvider extends ExtensionPoint {

    @Nonnull Collection<String> getAlternativeForms(@Nonnull String input);

    static @Nonnull ExtensionList<PatternMaskerProvider> all() {
        return ExtensionList.lookup(PatternMaskerProvider.class);
    }

    @Restricted(NoExternalUse.class)
    static @Nonnull Collection<String> getAllAlternateForms(@Nonnull String input) {
        Collection<String> alternateForms = new TreeSet<>(BY_REVERSE_LENGTH);
        for (PatternMaskerProvider provider : all()) {
            alternateForms.addAll(provider.getAlternativeForms(input));
        }
        return alternateForms;
    }

    @Restricted(NoExternalUse.class)
    static @Nonnull Pattern getMaskingPattern(@Nonnull Collection<String> inputs) {
        Collection<String> patterns = new TreeSet<>(BY_REVERSE_LENGTH);
        for (String input : inputs) {
            if (input.isEmpty()) {
                continue;
            }
            patterns.add(Pattern.quote(input));
            patterns.addAll(getAllAlternateForms(input));
        }
        return Pattern.compile(String.join("|", patterns));
    }

    @Restricted(NoExternalUse.class) Comparator<String> BY_REVERSE_LENGTH =
            Comparator.comparingInt(String::length).reversed().thenComparing(String::compareTo);

}

/*
 * The MIT License
 *
 * Copyright (c) 2019 CloudBees, Inc.
 *
 * 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 NONINFRINGEMENT. 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.jenkinsci.plugins.credentialsbinding.masking;

import hudson.ExtensionList;
import hudson.ExtensionPoint;
import org.kohsuke.accmod.Restricted;
import org.kohsuke.accmod.restrictions.NoExternalUse;

import javax.annotation.Nonnull;
import java.util.Collection;
import java.util.Comparator;
import java.util.HashSet;
import java.util.TreeSet;
import java.util.regex.Pattern;

/**
 * Quotes strings according to quotation rules of various programs. Sometimes confused with escaping, quoting is done
 * to pass literal strings in a shell or other interpreter.
 *
 * @since TODO
 */
public interface PatternMaskerProvider extends ExtensionPoint {

    @Nonnull Collection<String> getAlternativeForms(@Nonnull String input);

    static @Nonnull ExtensionList<PatternMaskerProvider> all() {
        return ExtensionList.lookup(PatternMaskerProvider.class);
    }

    @Restricted(NoExternalUse.class)
    static @Nonnull Collection<String> getAllAlternateForms(@Nonnull String input) {
        Collection<String> alternateForms = new HashSet<>();
        for (PatternMaskerProvider provider : all()) {
            alternateForms.addAll(provider.getAlternativeForms(input));
        }
        return alternateForms;
    }

    @Restricted(NoExternalUse.class)
    static @Nonnull Pattern getMaskingPattern(@Nonnull Collection<String> inputs) {
        Collection<String> patterns = new TreeSet<>(Comparator.comparingInt(String::length).reversed().thenComparing(String::compareTo));
        for (String input : inputs) {
            if (input.isEmpty()) {
                continue;
            }
            patterns.add(Pattern.quote(input));
            patterns.addAll(getAllAlternateForms(input));
        }
        return Pattern.compile(String.join("|", patterns));
    }
}

Simplify set class usage