diff options
Diffstat (limited to 'src/main/java/org/pdfbox/util/DateConverter.java')
| -rw-r--r-- | src/main/java/org/pdfbox/util/DateConverter.java | 281 |
1 files changed, 0 insertions, 281 deletions
diff --git a/src/main/java/org/pdfbox/util/DateConverter.java b/src/main/java/org/pdfbox/util/DateConverter.java deleted file mode 100644 index 43d3566..0000000 --- a/src/main/java/org/pdfbox/util/DateConverter.java +++ /dev/null @@ -1,281 +0,0 @@ -/**
- * Copyright (c) 2003-2005, www.pdfbox.org
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the above copyright notice,
- * this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright notice,
- * this list of conditions and the following disclaimer in the documentation
- * and/or other materials provided with the distribution.
- * 3. Neither the name of pdfbox; nor the names of its
- * contributors may be used to endorse or promote products derived from this
- * software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
- * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
- * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
- * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- * http://www.pdfbox.org
- *
- */
-package org.pdfbox.util;
-
-import java.text.ParseException;
-import java.text.SimpleDateFormat;
-
-import java.io.IOException;
-
-import java.util.Calendar;
-import java.util.Date;
-import java.util.GregorianCalendar;
-import java.util.SimpleTimeZone;
-import java.util.TimeZone;
-
-import org.pdfbox.cos.COSString;
-
-/**
- * This class is used to convert dates to strings and back using the PDF
- * date standards. Date are described in PDFReference1.4 section 3.8.2
- *
- * @author Ben Litchfield (ben@benlitchfield.com)
- * @version $Revision: 1.9 $
- */
-public class DateConverter
-{
- private static final SimpleDateFormat PDF_DATE_FORMAT = new SimpleDateFormat( "yyyyMMddHHmmss" );
-
- //The Date format is supposed to be the PDF_DATE_FORMAT, but not all PDF documents
- //will use that date, so I have added a couple other potential formats
- //to try if the original one does not work.
- private static final SimpleDateFormat[] POTENTIAL_FORMATS = new SimpleDateFormat[] {
- new SimpleDateFormat("EEEE, dd MMM yyyy hh:mm:ss a"),
- new SimpleDateFormat("EEEE, MMM dd, yyyy hh:mm:ss a")};
-
- private static final SimpleDateFormat ISO_8601_DATE_FORMAT = new SimpleDateFormat( "yyyy-MM-dd'T'HH:mm:ss" );
-
- private DateConverter()
- {
- //utility class should not be constructed.
- }
-
- /**
- * This will convert the calendar to a string.
- *
- * @param date The date to convert to a string.
- *
- * @return The date as a String to be used in a PDF document.
- */
- public static String toString( Calendar date )
- {
- String retval = null;
- if( date != null )
- {
- StringBuffer buffer = new StringBuffer();
- TimeZone zone = date.getTimeZone();
- long offsetInMinutes = zone.getOffset( date.getTimeInMillis() )/1000/60;
- long hours = Math.abs( offsetInMinutes/60 );
- long minutes = Math.abs( offsetInMinutes%60 );
- buffer.append( "D:" );
- buffer.append( PDF_DATE_FORMAT.format( date.getTime() ) );
- if( offsetInMinutes == 0 )
- {
- buffer.append( "Z" );
- }
- else if( offsetInMinutes < 0 )
- {
- buffer.append( "-" );
- }
- else
- {
- buffer.append( "+" );
- }
- if( hours < 10 )
- {
- buffer.append( "0" );
- }
- buffer.append( hours );
- buffer.append( "'" );
- if( minutes < 10 )
- {
- buffer.append( "0" );
- }
- buffer.append( minutes );
- buffer.append( "'" );
- retval = buffer.toString();
-
- }
- return retval;
- }
-
- /**
- * This will convert a string to a calendar.
- *
- * @param date The string representation of the calendar.
- *
- * @return The calendar that this string represents.
- *
- * @throws IOException If the date string is not in the correct format.
- */
- public static Calendar toCalendar( COSString date ) throws IOException
- {
- Calendar retval = null;
- if( date != null )
- {
- retval = toCalendar( date.getString() );
- }
-
- return retval;
- }
-
- /**
- * This will convert a string to a calendar.
- *
- * @param date The string representation of the calendar.
- *
- * @return The calendar that this string represents.
- *
- * @throws IOException If the date string is not in the correct format.
- */
- public static Calendar toCalendar( String date ) throws IOException
- {
- Calendar retval = null;
- if( date != null )
- {
- //these are the default values
- int year = 0;
- int month = 1;
- int day = 1;
- int hour = 0;
- int minute = 0;
- int second = 0;
- //first string off the prefix if it exists
- try
- {
- SimpleTimeZone zone = null;
- if( date.startsWith( "D:" ) )
- {
- date = date.substring( 2, date.length() );
- }
- if( date.length() < 4 )
- {
- throw new IOException( "Error: Invalid date format '" + date + "'" );
- }
- year = Integer.parseInt( date.substring( 0, 4 ) );
- if( date.length() >= 6 )
- {
- month = Integer.parseInt( date.substring( 4, 6 ) );
- }
- if( date.length() >= 8 )
- {
- day = Integer.parseInt( date.substring( 6, 8 ) );
- }
- if( date.length() >= 10 )
- {
- hour = Integer.parseInt( date.substring( 8, 10 ) );
- }
- if( date.length() >= 12 )
- {
- minute = Integer.parseInt( date.substring( 10, 12 ) );
- }
- if( date.length() >= 14 )
- {
- second = Integer.parseInt( date.substring( 12, 14 ) );
- }
- retval = new GregorianCalendar( year, month-1, day, hour, minute, second );
- if( date.length() >= 15 )
- {
- char sign = date.charAt( 14 );
- if( sign == 'Z' )
- {
- zone = new SimpleTimeZone(0,"Unknown");
- }
- else
- {
- int hours = 0;
- int minutes = 0;
- if( date.length() >= 17 )
- {
- hours = Integer.parseInt( date.substring( 15, 17 ) );
- }
- if( date.length() > 20 )
- {
- minutes = Integer.parseInt( date.substring( 18, 20 ) );
- }
- zone = new SimpleTimeZone( hours*60*60*1000 + minutes*60*1000, "Unknown" );
- }
- retval.setTimeZone( zone );
- }
- }
- catch( NumberFormatException e )
- {
- for( int i=0; retval == null && i<POTENTIAL_FORMATS.length; i++ )
- {
- try
- {
- Date utilDate = POTENTIAL_FORMATS[i].parse( date );
- retval = new GregorianCalendar();
- retval.setTime( utilDate );
- }
- catch( ParseException pe )
- {
- //ignore and move to next potential format
- }
- }
- if( retval == null )
- {
- //we didn't find a valid date format so throw an exception
- throw new IOException( "Error converting date:" + date );
- }
- }
- }
- return retval;
- }
-
- /**
- * Convert the date to iso 8601 string format.
- *
- * @param cal The date to convert.
- * @return The date represented as an ISO 8601 string.
- */
- public static String toISO8601( Calendar cal )
- {
- StringBuffer retval = new StringBuffer();
- retval.append( ISO_8601_DATE_FORMAT.format( cal.getTime() ) );
- int timeZone = cal.get( Calendar.ZONE_OFFSET );
- if( timeZone < 0 )
- {
- retval.append( "-" );
- }
- else
- {
- retval.append( "+" );
- }
- timeZone = Math.abs( timeZone );
- //milliseconds/1000 = seconds = seconds / 60 = minutes = minutes/60 = hours
- int hours = timeZone/1000/60/60;
- int minutes = (timeZone - (hours*1000*60*60))/1000/1000;
- if( hours < 10 )
- {
- retval.append( "0" );
- }
- retval.append( Integer.toString( hours ) );
- retval.append( ":" );
- if( minutes < 10 )
- {
- retval.append( "0" );
- }
- retval.append( Integer.toString( minutes ) );
-
- return retval.toString();
- }
-}
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