/*

 * Licensed to the Apache Software Foundation (ASF) under one or more

 * contributor license agreements.  See the NOTICE file distributed with

 * this work for additional information regarding copyright ownership.

 * The ASF licenses this file to You under the Apache License, Version 2.0

 * (the "License"); you may not use this file except in compliance with

 * the License.  You may obtain a copy of the License at

 * 

 *      http://www.apache.org/licenses/LICENSE-2.0

 * 

 * Unless required by applicable law or agreed to in writing, software

 * distributed under the License is distributed on an "AS IS" BASIS,

 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

 * See the License for the specific language governing permissions and

 * limitations under the License.

 */

package org.apache.tomcat.util.modeler;

import java.io.Serializable;

import javax.management.MBeanNotificationInfo;

/**

 * <p>Internal configuration information for a <code>Notification</code>

 * descriptor.</p>

 *

 * @author Craig R. McClanahan

 */

public class NotificationInfo extends FeatureInfo implements Serializable {

    static final long serialVersionUID = -6319885418912650856L;

    // ----------------------------------------------------- Instance Variables

    /**

     * The <code>ModelMBeanNotificationInfo</code> object that corresponds

     * to this <code>NotificationInfo</code> instance.

     */

    transient MBeanNotificationInfo info = null;

    protected String notifTypes[] = new String[0];

    // ------------------------------------------------------------- Properties

    /**

     * Override the <code>description</code> property setter.

     *

     * @param description The new description

     */

    public void setDescription(String description) {

        super.setDescription(description);

        this.info = null;

    }

    /**

     * Override the <code>name</code> property setter.

     *

     * @param name The new name

     */

    public void setName(String name) {

        super.setName(name);

        this.info = null;

    }

    /**

     * The set of notification types for this MBean.

     */

    public String[] getNotifTypes() {

        return (this.notifTypes);

    }

    // --------------------------------------------------------- Public Methods

    /**

     * Add a new notification type to the set managed by an MBean.

     *

     * @param notifType The new notification type

     */

    public void addNotifType(String notifType) {

        synchronized (notifTypes) {

            String results[] = new String[notifTypes.length + 1];

            System.arraycopy(notifTypes, 0, results, 0, notifTypes.length);

            results[notifTypes.length] = notifType;

            notifTypes = results;

            this.info = null;

        }

    }

    /**

     * Create and return a <code>ModelMBeanNotificationInfo</code> object that

     * corresponds to the attribute described by this instance.

     */

    public MBeanNotificationInfo createNotificationInfo() {

        // Return our cached information (if any)

        if (info != null)

            return (info);

        // Create and return a new information object

        info = new MBeanNotificationInfo

            (getNotifTypes(), getName(), getDescription());

        //Descriptor descriptor = info.getDescriptor();

        //addFields(descriptor);

        //info.setDescriptor(descriptor);

        return (info);

    }

    /**

     * Return a string representation of this notification descriptor.

     */

    public String toString() {

        StringBuffer sb = new StringBuffer("NotificationInfo[");

        sb.append("name=");

        sb.append(name);

        sb.append(", description=");

        sb.append(description);

        sb.append(", notifTypes=");

        sb.append(notifTypes.length);

        sb.append("]");

        return (sb.toString());

    }

}