This source code is protected by copyright! more..
Project: Apache Jakarta Commons BeanUtils (http://jakarta.apache.org/commons/beanutils.html)
Class: org.apache.commons.beanutils.locale.converters.DateLocaleConverter.java

/*
 * $Header: /home/cvspublic/jakarta-commons/beanutils/src/java/org/apache/commons/beanutils/locale/converters/DateLocaleConverter.java,v 1.4 2003/01/15 21:59:43 rdonkin Exp $
 * $Revision: 1.4 $
 * $Date: 2003/01/15 21:59:43 $
 *
 * ====================================================================
 *
 * The Apache Software License, Version 1.1
 *
 * Copyright (c) 1999-2003 The Apache Software Foundation.  All rights
 * reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
 *    the documentation and/or other materials provided with the
 *    distribution.
 *
 * 3. The end-user documentation included with the redistribution, if
 *    any, must include the following acknowlegement:
 *       "This product includes software developed by the
 *        Apache Software Foundation (http://www.apache.org/)."
 *    Alternately, this acknowlegement may appear in the software itself,
 *    if and wherever such third-party acknowlegements normally appear.
 *
 * 4. The names "The Jakarta Project", "Commons", and "Apache Software
 *    Foundation" must not be used to endorse or promote products derived
 *    from this software without prior written permission. For written
 *    permission, please contact apache@apache.org.
 *
 * 5. Products derived from this software may not be called "Apache"
 *    nor may "Apache" appear in their names without prior written
 *    permission of the Apache Group.
 *
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED.  IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 * ====================================================================
 *
 * This software consists of voluntary contributions made by many
 * individuals on behalf of the Apache Software Foundation.  For more
 * information on the Apache Software Foundation, please see
 * <http://www.apache.org/>.
 *
 */

package org.apache.commons.beanutils.locale.converters;

import org.apache.commons.beanutils.locale.BaseLocaleConverter;

import java.text.ParseException;
import java.text.ParsePosition;
import java.text.SimpleDateFormat;
import java.util.Locale;


/**
 * <p>Standard {@link org.apache.commons.beanutils.locale.LocaleConverter} 
 * implementation that converts an incoming
 * locale-sensitive String into a <code>java.util.Date</code> object,
 * optionally using a default value or throwing a 
 * {@link org.apache.commons.beanutils.ConversionException}
 * if a conversion error occurs.</p>
 *
 * @author Yauheny Mikulski
 */

public class DateLocaleConverter extends BaseLocaleConverter {

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

    /** The Date formatter */
    private SimpleDateFormat formatter = new SimpleDateFormat(pattern, locale);

    // ----------------------------------------------------------- Constructors

    /**
     * Create a {@link org.apache.commons.beanutils.locale.LocaleConverter} 
     * that will throw a {@link org.apache.commons.beanutils.ConversionException}
     * if a conversion error occurs. The locale is the default locale for
     * this instance of the Java Virtual Machine and an unlocalized pattern is used
     * for the convertion.
     *
     */
    public DateLocaleConverter() {

        this(false);
    }

    /**
     * Create a {@link org.apache.commons.beanutils.locale.LocaleConverter} 
     * that will throw a {@link org.apache.commons.beanutils.ConversionException}
     * if a conversion error occurs. The locale is the default locale for
     * this instance of the Java Virtual Machine.
     *
     * @param locPattern    Indicate whether the pattern is localized or not
     */
    public DateLocaleConverter(boolean locPattern) {

        this(Locale.getDefault(), locPattern);
    }

    /**
     * Create a {@link org.apache.commons.beanutils.locale.LocaleConverter} 
     * that will throw a {@link org.apache.commons.beanutils.ConversionException}
     * if a conversion error occurs. An unlocalized pattern is used for the convertion.
     *
     * @param locale        The locale
     */
    public DateLocaleConverter(Locale locale) {

        this(locale, false);
    }

    /**
     * Create a {@link org.apache.commons.beanutils.locale.LocaleConverter} 
     * that will throw a {@link org.apache.commons.beanutils.ConversionException}
     * if a conversion error occurs.
     *
     * @param locale        The locale
     * @param locPattern    Indicate whether the pattern is localized or not
     */
    public DateLocaleConverter(Locale locale, boolean locPattern) {

        this(locale, (String) null, locPattern);
    }

    /**
     * Create a {@link org.apache.commons.beanutils.locale.LocaleConverter} 
     * that will throw a {@link org.apache.commons.beanutils.ConversionException}
     * if a conversion error occurs. An unlocalized pattern is used for the convertion.
     *
     * @param locale        The locale
     * @param pattern       The convertion pattern
     */
    public DateLocaleConverter(Locale locale, String pattern) {

        this(locale, pattern, false);
    }

    /**
     * Create a {@link org.apache.commons.beanutils.locale.LocaleConverter} 
     * that will throw a {@link org.apache.commons.beanutils.ConversionException}
     * if a conversion error occurs.
     *
     * @param locale        The locale
     * @param pattern       The convertion pattern
     * @param locPattern    Indicate whether the pattern is localized or not
     */
    public DateLocaleConverter(Locale locale, String pattern, boolean locPattern) {

        super(locale, pattern, locPattern);
    }

    /**
     * Create a {@link org.apache.commons.beanutils.locale.LocaleConverter} 
     * that will return the specified default value
     * if a conversion error occurs. The locale is the default locale for
     * this instance of the Java Virtual Machine and an unlocalized pattern is used
     * for the convertion.
     *
     * @param defaultValue  The default value to be returned
     */
    public DateLocaleConverter(Object defaultValue) {

        this(defaultValue, false);
    }

    /**
     * Create a {@link org.apache.commons.beanutils.locale.LocaleConverter} 
     * that will return the specified default value
     * if a conversion error occurs. The locale is the default locale for
     * this instance of the Java Virtual Machine.
     *
     * @param defaultValue  The default value to be returned
     * @param locPattern    Indicate whether the pattern is localized or not
     */
    public DateLocaleConverter(Object defaultValue, boolean locPattern) {

        this(defaultValue, Locale.getDefault(), locPattern);
    }

    /**
     * Create a {@link org.apache.commons.beanutils.locale.LocaleConverter} 
     * that will return the specified default value
     * if a conversion error occurs. An unlocalized pattern is used for the convertion.
     *
     * @param defaultValue  The default value to be returned
     * @param locale        The locale
     */
    public DateLocaleConverter(Object defaultValue, Locale locale) {

        this(defaultValue, locale, false);
    }

    /**
     * Create a {@link org.apache.commons.beanutils.locale.LocaleConverter} 
     * that will return the specified default value
     * if a conversion error occurs.
     *
     * @param defaultValue  The default value to be returned
     * @param locale        The locale
     * @param locPattern    Indicate whether the pattern is localized or not
     */
    public DateLocaleConverter(Object defaultValue, Locale locale, boolean locPattern) {

        this(defaultValue, locale, null, locPattern);
    }


    /**
     * Create a {@link org.apache.commons.beanutils.locale.LocaleConverter} 
     * that will return the specified default value
     * if a conversion error occurs. An unlocalized pattern is used for the convertion.
     *
     * @param defaultValue  The default value to be returned
     * @param locale        The locale
     * @param pattern       The convertion pattern
     */
    public DateLocaleConverter(Object defaultValue, Locale locale, String pattern) {

        this(defaultValue, locale, pattern, false);
    }

    /**
     * Create a {@link org.apache.commons.beanutils.locale.LocaleConverter} 
     * that will return the specified default value
     * if a conversion error occurs.
     *
     * @param defaultValue  The default value to be returned
     * @param locale        The locale
     * @param pattern       The convertion pattern
     * @param locPattern    Indicate whether the pattern is localized or not
     */
    public DateLocaleConverter(Object defaultValue, Locale locale, String pattern, boolean locPattern) {

        super(defaultValue, locale, pattern, locPattern);
    }

    // --------------------------------------------------------- Methods
    
    /**
     * Returns whether date formatting is lenient.
     *
     * @return true if the <code>DateFormat</code> used for formatting is lenient
     * @see java.text.DateFormat#isLenient
     */
    public boolean isLenient() {
        return formatter.isLenient();
    }
    
    /**
     * Specify whether or not date-time parsing should be lenient.
     * 
     * @param lenient true if the <code>DateFormat</code> used for formatting should be lenient
     * @see java.text.DateFormat#setLenient
     */
    public void setLenient(boolean lenient) {
        formatter.setLenient(lenient);
    }   

    // --------------------------------------------------------- Methods

    /**
     * Convert the specified locale-sensitive input object into an output object of the
     * specified type.
     *
     * @param value The input object to be converted
     * @param pattern The pattern is used for the convertion
     *
     * @exception ConversionException if conversion cannot be performed
     *  successfully
     */
    protected Object parse(Object value, String pattern) throws ParseException {
        if (locPattern) {
            formatter.applyLocalizedPattern(pattern);
        }
        else {
            formatter.applyPattern(pattern);
        }
        return formatter.parse((String) value);
    }
}


This source code is protected by copyright! more..