net.java.truecommons.key.disable.DisableAesPbeKeyManagerMapModifier Maven / Gradle / Ivy

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Putting this module on the class path effectively disables any key management, regardless of any other KeyManager module which may be present on the class path.

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/*
 * Copyright (C) 2005-2015 Schlichtherle IT Services.
 * All rights reserved. Use is subject to license terms.
 */
package net.java.truecommons.key.disable;

import net.java.truecommons.annotations.ServiceImplementation;
import net.java.truecommons.key.spec.KeyManager;
import net.java.truecommons.key.spec.common.AesPbeParameters;
import net.java.truecommons.key.spec.spi.KeyManagerMapModifier;
import net.java.truecommons.key.spec.unknown.UnknownKeyManager;

import javax.annotation.concurrent.Immutable;
import java.util.Map;

/**
 * This modifier maps the {@link AesPbeParameters} class to the
 * {@linkplain UnknownKeyManager#SINGLETON unknown key manager} singleton
 * which fails to resolve any keys.
 * Note that the {@link #getPriority} of this modifier is
 * {@link Integer#MAX_VALUE}, so it takes precedence over any other modifier
 * on the class path.
 *
 * @since  TrueCommons 2.2
 * @author Christian Schlichtherle
 */
@Immutable
@ServiceImplementation
public final class DisableAesPbeKeyManagerMapModifier
extends KeyManagerMapModifier {

    @Override
    public Map, KeyManager> apply(final Map, KeyManager> map) {
        map.put(AesPbeParameters.class, UnknownKeyManager.SINGLETON);
        return map;
    }

    /** @return {@link Integer#MAX_VALUE} */
    @Override
    public int getPriority() { return Integer.MAX_VALUE; }
}