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66 brianR 1 
/*
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 *   Copyright 2011 Brian Rosenberger (Brutex Network)
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 *
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 *   Licensed under the Apache License, Version 2.0 (the "License");
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 *   you may not use this file except in compliance with the License.
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 *   You may obtain a copy of the License at
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 *
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 *       http://www.apache.org/licenses/LICENSE-2.0
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 *
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 *   Unless required by applicable law or agreed to in writing, software
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 *   distributed under the License is distributed on an "AS IS" BASIS,
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 *   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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 *   See the License for the specific language governing permissions and
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 *   limitations under the License.
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 */
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package net.brutex.xservices.types;
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import java.text.ParseException;
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import java.text.SimpleDateFormat;
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import java.util.Date;
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import java.util.Locale;
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import java.util.TimeZone;
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import javax.xml.bind.annotation.XmlEnum;
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import javax.xml.bind.annotation.XmlEnumValue;
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import javax.xml.bind.annotation.XmlType;
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import net.brutex.xservices.util.BrutexNamespaces;
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/**
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 * Different pre-defined date formats.
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 *
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 * @author Brian Rosenberger, bru@brutex.de
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 */
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@XmlEnum()
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public enum DateFormatType {
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    /**
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     * ISO 8601 format (2011-05-24T14:39+01:00)
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     */
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	@XmlEnumValue("ISO 8601")
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    ISO8601("ISO 8601", "yyyy-MM-dd'T'HH:mm:ss.SSSZ"),
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    /**
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     * RFC822 format (2011-05-24T14:39+0100)
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     */
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    @XmlEnumValue("RFC 822")
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    RFC822("RFC 822", "yyyy-MM-dd'T'HH:mm:ss.SSSZ"),
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    /**
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     * yyyy/mm/dd
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     */
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    @XmlEnumValue("DateOnly-slashed")
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    YYYYMMDD("DateOnly-slashed", "yyyy/MM/dd"),
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    /**
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     * dd.mm.yyyy
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     */
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    @XmlEnumValue("DateOnly-dotted")
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    DDMMYYYY("DateOnly-dotted", "dd.MM.yyyy"),
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	/**
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     * dd.mm.yyyy
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     */
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    @XmlEnumValue("DateOnly-dashed")
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    DDMMYYYYdashed("DateOnly-dashed", "dd-MM-yyyy");
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    private String value;
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    private String format;
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    DateFormatType(String value, String format) {
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        this.value = value;
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        this.format = format;
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    }
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    /**
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     * Return the value of the enum.
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     * @return  String representation of the mime type
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     */
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    public String value() {
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        return value;
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    }
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    public String format(Date date, Locale locale, TimeZone timezone) {
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    	if(date==null) return "";
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    	if(locale==null) locale = Locale.getDefault();
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    	if(timezone==null) timezone = TimeZone.getDefault();
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    	String result = "";
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    	SimpleDateFormat f;
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    	if(this.equals(ISO8601)) {
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    		//apply ISO8061 hack
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    		f = new SimpleDateFormat(RFC822.format, locale);
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    		f.setTimeZone(timezone);
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    		result = f.format(date);
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    		result = result.substring(0, 26) + ":" + result.substring(26);
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    	} else {
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        	f = new SimpleDateFormat(this.format, locale);
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        	f.setTimeZone(timezone);
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    		result = f.format(date);
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    	}
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    	return result;
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    }
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    public Date parse(String s, Locale locale, TimeZone timezone)
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    	throws ParseException {
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    	if(locale==null) locale = Locale.getDefault();
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    	if(timezone==null) timezone = TimeZone.getDefault();
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    	SimpleDateFormat fin = new SimpleDateFormat(this.format, locale);
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    	fin.setTimeZone(timezone);
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    	Date date = fin.parse(s);
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    	return date;
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    }
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}