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* Licensed to the Apache Software Foundation (ASF) under one *
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* 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 *
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* specific language governing permissions and limitations *
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package org.apache.james.mime4j.field;
import java.io.StringReader;
import java.util.Date;
import org.apache.james.mime4j.codec.DecodeMonitor;
import org.apache.james.mime4j.dom.FieldParser;
import org.apache.james.mime4j.dom.field.DateTimeField;
import org.apache.james.mime4j.field.datetime.parser.DateTimeParser;
import org.apache.james.mime4j.field.datetime.parser.ParseException;
import org.apache.james.mime4j.field.datetime.parser.TokenMgrError;
import org.apache.james.mime4j.stream.Field;
/**
* Date-time field such as <code>Date</code> or <code>Resent-Date</code>.
*/
public class DateTimeFieldImpl extends AbstractField implements DateTimeField {
private boolean parsed = false;
private Date date;
private ParseException parseException;
DateTimeFieldImpl(Field rawField, DecodeMonitor monitor) {
super(rawField, monitor);
}
/**
* @see org.apache.james.mime4j.dom.field.DateTimeField#getDate()
*/
public Date getDate() {
if (!parsed)
parse();
return date;
}
/**
* @see org.apache.james.mime4j.dom.field.DateTimeField#getParseException()
*/
@Override
public ParseException getParseException() {
if (!parsed)
parse();
return parseException;
}
private void parse() {
String body = getBody();
try {
date = new DateTimeParser(new StringReader(body)).parseAll()
.getDate();
} catch (ParseException e) {
parseException = e;
} catch (TokenMgrError e) {
parseException = new ParseException(e.getMessage());
}
parsed = true;
}
public static final FieldParser<DateTimeField> PARSER = new FieldParser<DateTimeField>() {
public DateTimeField parse(final Field rawField, final DecodeMonitor monitor) {
return new DateTimeFieldImpl(rawField, monitor);
}
};
}