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/*
 * 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.commons.beanutils.locale.converters;

import org.apache.commons.beanutils.ConversionException;

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


/**
 * 

Standard {@link org.apache.commons.beanutils.locale.LocaleConverter} * implementation that converts an incoming * locale-sensitive String into a java.lang.Integer object, * optionally using a default value or throwing a * {@link org.apache.commons.beanutils.ConversionException} * if a conversion error occurs.

* * @version $Id$ */ public class IntegerLocaleConverter extends DecimalLocaleConverter { // ----------------------------------------------------------- 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 IntegerLocaleConverter() { 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 IntegerLocaleConverter(final 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 IntegerLocaleConverter(final 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 IntegerLocaleConverter(final Locale locale, final 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 IntegerLocaleConverter(final Locale locale, final 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 IntegerLocaleConverter(final Locale locale, final String pattern, final 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 IntegerLocaleConverter(final 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 IntegerLocaleConverter(final Object defaultValue, final 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 IntegerLocaleConverter(final Object defaultValue, final 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 IntegerLocaleConverter(final Object defaultValue, final Locale locale, final 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 IntegerLocaleConverter(final Object defaultValue, final Locale locale, final 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 IntegerLocaleConverter(final Object defaultValue, final Locale locale, final String pattern, final boolean locPattern) { super(defaultValue, locale, pattern, locPattern); } /** * Convert the specified locale-sensitive input object into an output object of the * specified type. This method will return Integer type. * * @param value The input object to be converted * @param pattern The pattern is used for the convertion * @return The converted value * * @throws ConversionException if conversion cannot be performed * successfully * @throws ParseException if an error occurs parsing a String to a Number */ @Override protected Object parse(final Object value, final String pattern) throws ParseException { final Number parsed = (Number) super.parse(value, pattern); if (parsed.longValue() != parsed.intValue()) { throw new ConversionException("Suplied number is not of type Integer: " + parsed.longValue()); } return new Integer(parsed.intValue()); // unlike superclass it will return proper Integer } }




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