/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License, Version 1.0 only
 * (the "License").  You may not use this file except in compliance
 * with the License.
 *
 * You can obtain a copy of the license at legal-notices/CDDLv1_0.txt
 * or http://forgerock.org/license/CDDLv1.0.html.
 * See the License for the specific language governing permissions
 * and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL HEADER in each
 * file and include the License file at legal-notices/CDDLv1_0.txt.
 * If applicable, add the following below this CDDL HEADER, with the
 * fields enclosed by brackets "[]" replaced with your own identifying
 * information:
 *      Portions Copyright [yyyy] [name of copyright owner]
 *
 * CDDL HEADER END
 *
 *
 *      Copyright 2008 Sun Microsystems, Inc.
 *      Portions Copyright 2015 ForgeRock AS.
 */
package org.forgerock.opendj.config;

import org.forgerock.util.Reject;

import java.util.EnumSet;
import java.util.HashMap;
import java.util.Map;

/**
 * Boolean property definition.
 */
public final class BooleanPropertyDefinition extends PropertyDefinition<Boolean> {

    /**
     * Mapping used for parsing boolean values. This mapping is more flexible
     * than the standard boolean string parser and supports common true/false
     * synonyms used in configuration.
     */
    private static final Map<String, Boolean> VALUE_MAP = new HashMap<>();
    static {
        // We could have more possibilities but decided against in issue 1960.
        VALUE_MAP.put("false", Boolean.FALSE);
        VALUE_MAP.put("true", Boolean.TRUE);
    }

    /**
     * An interface for incrementally constructing boolean property definitions.
     */
    public static final class Builder extends AbstractBuilder<Boolean, BooleanPropertyDefinition> {

        /** Private constructor. */
        private Builder(AbstractManagedObjectDefinition<?, ?> d, String propertyName) {
            super(d, propertyName);
        }

        /** {@inheritDoc} */
        @Override
        protected BooleanPropertyDefinition buildInstance(AbstractManagedObjectDefinition<?, ?> d,
            String propertyName, EnumSet<PropertyOption> options, AdministratorAction adminAction,
            DefaultBehaviorProvider<Boolean> defaultBehavior) {
            return new BooleanPropertyDefinition(d, propertyName, options, adminAction, defaultBehavior);
        }

    }

    /**
     * Create a boolean property definition builder.
     *
     * @param d
     *            The managed object definition associated with this property
     *            definition.
     * @param propertyName
     *            The property name.
     * @return Returns the new boolean property definition builder.
     */
    public static Builder createBuilder(AbstractManagedObjectDefinition<?, ?> d, String propertyName) {
        return new Builder(d, propertyName);
    }

    /** Private constructor. */
    private BooleanPropertyDefinition(AbstractManagedObjectDefinition<?, ?> d, String propertyName,
        EnumSet<PropertyOption> options, AdministratorAction adminAction,
        DefaultBehaviorProvider<Boolean> defaultBehavior) {
        super(d, Boolean.class, propertyName, options, adminAction, defaultBehavior);
    }

    /** {@inheritDoc} */
    @Override
    public void validateValue(Boolean value) {
        Reject.ifNull(value);

        // No additional validation required.
    }

    /** {@inheritDoc} */
    @Override
    public Boolean decodeValue(String value) {
        Reject.ifNull(value);

        String nvalue = value.trim().toLowerCase();
        Boolean b = VALUE_MAP.get(nvalue);

        if (b == null) {
            throw PropertyException.illegalPropertyValueException(this, value);
        } else {
            return b;
        }
    }

    /** {@inheritDoc} */
    @Override
    public <R, P> R accept(PropertyDefinitionVisitor<R, P> v, P p) {
        return v.visitBoolean(this, p);
    }

    /** {@inheritDoc} */
    @Override
    public <R, P> R accept(PropertyValueVisitor<R, P> v, Boolean value, P p) {
        return v.visitBoolean(this, value, p);
    }

    /** {@inheritDoc} */
    @Override
    public int compare(Boolean o1, Boolean o2) {
        return o1.compareTo(o2);
    }
}
