/*
 * The contents of this file are subject to the terms of the Common Development and
 * Distribution License (the License). You may not use this file except in compliance with the
 * License.
 *
 * You can obtain a copy of the License at legal/CDDLv1.0.txt. See the License for the
 * specific language governing permission and limitations under the License.
 *
 * When distributing Covered Software, include this CDDL Header Notice in each file and include
 * the License file at legal/CDDLv1.0.txt. If applicable, add the following below the CDDL
 * Header, with the fields enclosed by brackets [] replaced by your own identifying
 * information: "Portions Copyright [year] [name of copyright owner]".
 *
 * Copyright 2008 Sun Microsystems, Inc.
 * Portions Copyright 2014-2016 ForgeRock AS.
 */
package org.forgerock.opendj.config.client.ldap;

import java.util.Collection;
import java.util.Collections;

import org.forgerock.i18n.LocalizableMessage;
import org.forgerock.opendj.config.Constraint;
import org.forgerock.opendj.config.ManagedObjectPath;
import org.forgerock.opendj.config.client.ClientConstraintHandler;
import org.forgerock.opendj.config.client.ManagedObject;
import org.forgerock.opendj.config.client.ManagementContext;
import org.forgerock.opendj.config.server.ServerConstraintHandler;
import org.forgerock.opendj.ldap.LdapException;

/** A mock constraint which can be configured to refuse various types of operation. */
public final class MockConstraint extends Constraint {

    /** Mock client constraint handler. */
    private class Handler extends ClientConstraintHandler {

        @Override
        public boolean isAddAcceptable(ManagementContext context, ManagedObject<?> managedObject,
                Collection<LocalizableMessage> unacceptableReasons) throws LdapException {
            if (!allowAdds) {
                unacceptableReasons.add(LocalizableMessage.raw("Adds not allowed"));
            }

            return allowAdds;
        }

        @Override
        public boolean isDeleteAcceptable(ManagementContext context, ManagedObjectPath<?, ?> path,
                Collection<LocalizableMessage> unacceptableReasons) throws LdapException {
            if (!allowDeletes) {
                unacceptableReasons.add(LocalizableMessage.raw("Deletes not allowed"));
            }

            return allowDeletes;
        }

        @Override
        public boolean isModifyAcceptable(ManagementContext context, ManagedObject<?> managedObject,
                Collection<LocalizableMessage> unacceptableReasons) throws LdapException {
            if (!allowModifies) {
                unacceptableReasons.add(LocalizableMessage.raw("Modifies not allowed"));
            }

            return allowModifies;
        }

    }

    /** Determines if add operations are allowed. */
    private final boolean allowAdds;

    /** Determines if modify operations are allowed. */
    private final boolean allowModifies;

    /** Determines if delete operations are allowed. */
    private final boolean allowDeletes;

    /**
     * Creates a new mock constraint.
     *
     * @param allowAdds
     *            Determines if add operations are allowed.
     * @param allowModifies
     *            Determines if modify operations are allowed.
     * @param allowDeletes
     *            Determines if delete operations are allowed.
     */
    public MockConstraint(boolean allowAdds, boolean allowModifies, boolean allowDeletes) {
        this.allowAdds = allowAdds;
        this.allowModifies = allowModifies;
        this.allowDeletes = allowDeletes;
    }

    @Override
    public Collection<ClientConstraintHandler> getClientConstraintHandlers() {
        return Collections.<ClientConstraintHandler> singleton(new Handler());
    }

    @Override
    public Collection<ServerConstraintHandler> getServerConstraintHandlers() {
        return Collections.emptySet();
    }

}