/*
 *   
 *
 * Copyright  1990-2009 Sun Microsystems, Inc. All Rights Reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER
 * 
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License version
 * 2 only, as published by the Free Software Foundation.
 * 
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * General Public License version 2 for more details (a copy is
 * included at /legal/license.txt).
 * 
 * You should have received a copy of the GNU General Public License
 * version 2 along with this work; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA
 * 
 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
 * Clara, CA 95054 or visit www.sun.com if you need additional
 * information or have any questions.
 */

package com.sun.j2me.pim.formats;

import javax.microedition.pim.Event;

/**
 * Helper methods for vEvent implementations.
 *
 */
public class VEventSupport {

    /**
     * Converts JSR75 field code to vCalendar property name.
     * @param field identifier for field name
     * @return label for requested field
     */
    public static String getFieldLabel(int field) {
        switch (field) {
            case Event.ALARM: return "DALARM";
            case Event.CLASS: return "CLASS";
            case Event.END: return "DTEND";
            case Event.LOCATION: return "LOCATION";
            case Event.NOTE: return "DESCRIPTION";
            case Event.REVISION: return "LAST-MODIFIED";
            case Event.START: return "DTSTART";
            case Event.SUMMARY: return "SUMMARY";
            case Event.UID: return "UID";
            default:
                return null;
        }
    }

    /**
     * Converts vCalendar property name to JSR75 field code.
     * @param fieldName label of requested field
     * @return identifier for requested field
     */
    public static int getFieldCode(String fieldName) {
        if (fieldName.equals("DTSTART"))
            return Event.START;
        else if (fieldName.equals("DTEND"))
            return Event.END;
        else if (fieldName.equals("DALARM"))
            return Event.ALARM;
        else if (fieldName.equals("LOCATION"))
            return Event.LOCATION;
        else if (fieldName.equals("DESCRIPTION"))
            return Event.NOTE;
        else if (fieldName.equals("LAST-MODIFIED"))
            return Event.REVISION;
        else if (fieldName.equals("SUMMARY"))
            return Event.SUMMARY;
        else if (fieldName.equals("UID"))
            return Event.UID;
        else if (fieldName.equals("CLASS"))
            return Event.CLASS;
        else return -1;
    }

    /**
     * Gets the value of the vEvent CLASS field for the given
     * value of the Event.CLASS field.
     * This method encapsulates the following mapping:
     * Event.CLASS_PUBLIC -> "PUBLIC"
     * Event.CLASS_PRIVATE -> "PRIVATE"
     * Event.CLASS_CONFIDENTIAL -> "CONFIDENTIAL"
     *
     * @param fieldValue the value of the Event.CLASS field
     * @return a string describing the class for the field value, or null if
     *  fieldValue is out of range
     */
    public static String getClassType(int fieldValue) {
        switch (fieldValue) {
            case Event.CLASS_CONFIDENTIAL: return "CONFIDENTIAL";
            case Event.CLASS_PRIVATE: return "PRIVATE";
            case Event.CLASS_PUBLIC: return "PUBLIC";
        }
        return null;
    }

    /**
     * Gets the value of the Event.CLASS field for the given
     * value of the vEvent CLASS property.
     * This method encapsulates the following mapping:
     * Event.CLASS_PUBLIC <- "PUBLIC"
     * Event.CLASS_PRIVATE <- "PRIVATE"
     * Event.CLASS_CONFIDENTIAL <- "CONFIDENTIAL"
     *
     * @param s the value of the CLASS property
     * @return the corresponding field of Event, or -1 if s is not recognized
     */
    public static int getClassCode(String s) {
        switch (s.length()) {
            case 6:
                if (s.equals("PUBLIC")) {
                    return Event.CLASS_PUBLIC;
                }
                break;
            case 7:
                if (s.equals("PRIVATE")) {
                    return Event.CLASS_PRIVATE;
                }
                break;
            case 12:
                if (s.equals("CONFIDENTIAL")) {
                    return Event.CLASS_CONFIDENTIAL;
                }
                break;
        }
        return -1;
    }


}