- /*
- * Copyright 2001-2004 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.commons.beanutils.locale.converters;
-
- import org.apache.commons.beanutils.locale.BaseLocaleConverter;
- import org.apache.commons.logging.Log;
- import org.apache.commons.logging.LogFactory;
-
- import java.math.BigDecimal;
- import java.math.BigInteger;
- import java.text.DecimalFormat;
- import java.text.NumberFormat;
- import java.text.ParseException;
- import java.text.SimpleDateFormat;
- import java.util.Date;
- import java.util.Locale;
-
-
- /**
- * <p>Standard {@link org.apache.commons.beanutils.locale.LocaleConverter}
- * implementation that converts an incoming
- * locale-sensitive object into a <code>java.lang.String</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 StringLocaleConverter extends BaseLocaleConverter {
-
- // ----------------------------------------------------- Instance Variables
-
- /** All logging goes through this logger */
- private static Log log = LogFactory.getLog(StringLocaleConverter.class); //msz fix
-
-
- // ----------------------------------------------------------- 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 StringLocaleConverter() {
-
- 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 StringLocaleConverter(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 StringLocaleConverter(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 StringLocaleConverter(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 StringLocaleConverter(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 StringLocaleConverter(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 StringLocaleConverter(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 StringLocaleConverter(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 StringLocaleConverter(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 StringLocaleConverter(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 StringLocaleConverter(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 StringLocaleConverter(Object defaultValue, Locale locale, String pattern, boolean locPattern) {
-
- super(defaultValue, locale, pattern, locPattern);
- }
-
- // --------------------------------------------------------- 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 {
-
- String result = null;
-
- if ((value instanceof Integer) ||
- (value instanceof Long) ||
- (value instanceof BigInteger) ||
- (value instanceof Byte) ||
- (value instanceof Short)) {
-
- result = getDecimalFormat(locale, pattern).format(((Number) value).longValue());
- }
- else if ((value instanceof Double) ||
- (value instanceof BigDecimal) ||
- (value instanceof Float)) {
-
- result = getDecimalFormat(locale, pattern).format(((Number) value).doubleValue());
- }
- else if (value instanceof Date) { // java.util.Date, java.sql.Date, java.sql.Time, java.sql.Timestamp
-
- SimpleDateFormat dateFormat =
- new SimpleDateFormat(pattern, locale);
-
- result = dateFormat.format(value);
- }
- else {
- result = value.toString();
- }
-
- return result;
- }
-
- /**
- * Make an instance of DecimalFormat.
- *
- * @param locale The locale
- * @param pattern The pattern is used for the convertion
- *
- * @exception ConversionException if conversion cannot be performed
- * successfully
- */
- private DecimalFormat getDecimalFormat(Locale locale, String pattern) {
-
- DecimalFormat numberFormat = (DecimalFormat) NumberFormat.getInstance(locale);
-
- // if some constructors default pattern to null, it makes only sense to handle null pattern gracefully
- if (pattern != null) {
- if (locPattern) {
- numberFormat.applyLocalizedPattern(pattern);
- } else {
- numberFormat.applyPattern(pattern);
- }
- } else {
- log.warn("No pattern provided, using default.");
- }
-
- return numberFormat;
- }
- }