org.apache.commons.lang3.time.DateParser Maven / Gradle / Ivy
Show all versions of virtdata-lib-curves4 Show documentation
/*
* 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);
}