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Statistical sampling library for use in virtdata libraries, based on apache commons math 4

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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.lang3.time;

import java.text.ParseException;
import java.text.ParsePosition;
import java.util.Calendar;
import java.util.Date;
import java.util.Locale;
import java.util.TimeZone;

/**
 * DateParser is the "missing" interface for the parsing methods of
 * {@link java.text.DateFormat}. You can obtain an object implementing this
 * interface by using one of the FastDateFormat factory methods.
 * 

* Warning: Since binary compatible methods may be added to this interface in any * release, developers are not expected to implement this interface. * * @since 3.2 */ public interface DateParser { /** * Equivalent to DateFormat.parse(String). * * See {@link java.text.DateFormat#parse(String)} for more information. * @param source A String whose beginning should be parsed. * @return A Date parsed from the string * @throws ParseException if the beginning of the specified string cannot be parsed. */ Date parse(String source) throws ParseException; /** * Equivalent to DateFormat.parse(String, ParsePosition). * * See {@link java.text.DateFormat#parse(String, ParsePosition)} for more information. * * @param source A String, part of which should be parsed. * @param pos A ParsePosition object with index and error index information * as described above. * @return A Date parsed from the string. In case of error, returns null. * @throws NullPointerException if text or pos is null. */ Date parse(String source, ParsePosition pos); /** * Parses a formatted date string according to the format. Updates the Calendar with parsed fields. * Upon success, the ParsePosition index is updated to indicate how much of the source text was consumed. * Not all source text needs to be consumed. Upon parse failure, ParsePosition error index is updated to * the offset of the source text which does not match the supplied format. * * @param source The text to parse. * @param pos On input, the position in the source to start parsing, on output, updated position. * @param calendar The calendar into which to set parsed fields. * @return true, if source has been parsed (pos parsePosition is updated); otherwise false (and pos errorIndex is updated) * @throws IllegalArgumentException when Calendar has been set to be not lenient, and a parsed field is * out of range. * * @since 3.5 */ boolean parse(String source, ParsePosition pos, Calendar calendar); // Accessors //----------------------------------------------------------------------- /** *

Gets the pattern used by this parser.

* * @return the pattern, {@link java.text.SimpleDateFormat} compatible */ String getPattern(); /** *

* Gets the time zone used by this parser. *

* *

* The default {@link TimeZone} used to create a {@link Date} when the {@link TimeZone} is not specified by * the format pattern. *

* * @return the time zone */ TimeZone getTimeZone(); /** *

Gets the locale used by this parser.

* * @return the locale */ Locale getLocale(); /** * Parses text from a string to produce a Date. * * @param source A String whose beginning should be parsed. * @return a java.util.Date object * @throws ParseException if the beginning of the specified string cannot be parsed. * @see java.text.DateFormat#parseObject(String) */ Object parseObject(String source) throws ParseException; /** * Parses a date/time string according to the given parse position. * * @param source A String whose beginning should be parsed. * @param pos the parse position * @return a java.util.Date object * @see java.text.DateFormat#parseObject(String, ParsePosition) */ Object parseObject(String source, ParsePosition pos); }




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