modules/adb/src/org/apache/axis2/databinding/types/Day.java

/*
 * Copyright 2002-2004 The Apache Software Foundation.
 * 
 * Licensed 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.axis2.databinding.types;


import java.io.Serializable;
import java.text.NumberFormat;

/**
 * Implementation of the XML Schema type gDay
 *
 * @see <a href="http://www.w3.org/TR/xmlschema-2/#gDay">XML Schema 3.2.13</a>
 */
public class Day implements Serializable {

    private static final long serialVersionUID = -9024662553918598132L;

    int day;
    String timezone;

    /**
     * Constructs a Day with the given values
     * No timezone is specified
     */
    public Day(int day) throws NumberFormatException {
        setValue(day);
    }

    /**
     * Constructs a Day with the given values, including a timezone string
     * The timezone is validated but not used.
     */
    public Day(int day, String timezone)
            throws NumberFormatException {
        setValue(day, timezone);
    }

    /**
     * Construct a Day from a String in the format ---DD[timezone]
     */
    public Day(String source) throws NumberFormatException {
        if (source.length() < 5) {
            throw new NumberFormatException();
            //Messages.getMessage("badDay00"));
        }

        if (source.charAt(0) != '-' ||
                source.charAt(1) != '-' ||
                source.charAt(2) != '-') {
            throw new NumberFormatException();
            //Messages.getMessage("badDay00"));
        }

        setValue(Integer.parseInt(source.substring(3, 5)),
                source.substring(5));
    }

    public int getDay() {
        return day;
    }

    /**
     * Set the day
     */
    public void setDay(int day) {
        // validate day
        if (day < 1 || day > 31) {
            throw new NumberFormatException();
            //Messages.getMessage("badDay00"));
        }
        this.day = day;
    }

    public String getTimezone() {
        return timezone;
    }

    public void setTimezone(String timezone) {
        // validate timezone
        if (timezone != null && timezone.length() > 0) {
            // Format [+/-]HH:MM
            if (timezone.charAt(0) == '+' || (timezone.charAt(0) == '-')) {
                if (timezone.length() != 6 ||
                        !Character.isDigit(timezone.charAt(1)) ||
                        !Character.isDigit(timezone.charAt(2)) ||
                        timezone.charAt(3) != ':' ||
                        !Character.isDigit(timezone.charAt(4)) ||
                        !Character.isDigit(timezone.charAt(5)))
                    throw new NumberFormatException();
                // Messages.getMessage("badTimezone00"));

            } else if (!timezone.equals("Z")) {
                throw new NumberFormatException();
                // Messages.getMessage("badTimezone00"));
            }
            // if we got this far, its good
            this.timezone = timezone;
        }
    }

    public void setValue(int day, String timezone)
            throws NumberFormatException {
        setDay(day);
        setTimezone(timezone);
    }

    public void setValue(int day) throws NumberFormatException {
        setDay(day);
    }

    public String toString() {
        // use NumberFormat to ensure leading zeros
        NumberFormat nf = NumberFormat.getInstance();
        nf.setGroupingUsed(false);

        // Day
        nf.setMinimumIntegerDigits(2);
        String s = "---" + nf.format(day);

        // timezone
        if (timezone != null) {
            s = s + timezone;
        }
        return s;
    }

    public boolean equals(Object obj) {
        if (!(obj instanceof Day)) return false;
        Day other = (Day) obj;
        if (this == obj) return true;

        boolean equals = (this.day == other.day);
        if (timezone != null) {
            equals = equals && timezone.equals(other.timezone);
        }
        return equals;
    }

    /**
     * Return the value of day XORed with the hashCode of timezone
     * iff one is defined.
     *
     * @return an <code>int</code> value
     */
    public int hashCode() {
        return null == timezone ? day : day ^ timezone.hashCode();
    }
}