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/*
* ============================================================================
* The Apache Software License, Version 1.1
* ============================================================================
*
* Copyright (C) 1999 The Apache Software Foundation. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modifica-
* tion, 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. The end-user documentation included with the redistribution, if any, must
* include the following acknowledgment: "This product includes software
* developed by the Apache Software Foundation (http://www.apache.org/)."
* Alternately, this acknowledgment may appear in the software itself, if
* and wherever such third-party acknowledgments normally appear.
*
* 4. The names "log4j" and "Apache Software Foundation" must not be used to
* endorse or promote products derived from this software without prior
* written permission. For written permission, please contact
* apache@apache.org.
*
* 5. Products derived from this software may not be called "Apache", nor may
* "Apache" appear in their name, without prior written permission of the
* Apache Software Foundation.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED 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
* APACHE SOFTWARE FOUNDATION OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLU-
* DING, 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.
*
* This software consists of voluntary contributions made by many individuals
* on behalf of the Apache Software Foundation. For more information on the
* Apache Software Foundation, please see <http://www.apache.org/>.
*
*/
package org.apache.log4j.helpers;
import org.apache.log4j.Layout;
import org.apache.log4j.helpers.AbsoluteTimeDateFormat;
import org.apache.log4j.helpers.DateTimeDateFormat;
import org.apache.log4j.helpers.ISO8601DateFormat;
import org.apache.log4j.helpers.RelativeTimeDateFormat;
import org.apache.log4j.spi.LoggingEvent;
import java.text.DateFormat;
import java.text.FieldPosition;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.TimeZone;
/**
This abstract layout takes care of all the date related options and
formatting work.
@author Ceki G&uuml;lc&uuml;
*/
public abstract class DateLayout extends Layout {
/**
String constant designating no time information. Current value of
this constant is <b>NULL</b>.
*/
public static final String NULL_DATE_FORMAT = "NULL";
/**
String constant designating relative time. Current value of
this constant is <b>RELATIVE</b>.
*/
public static final String RELATIVE_TIME_DATE_FORMAT = "RELATIVE";
/**
@deprecated Options are now handled using the JavaBeans paradigm.
This constant is not longer needed and will be removed in the
<em>near</em> term.
*/
public static final String DATE_FORMAT_OPTION = "DateFormat";
/**
@deprecated Options are now handled using the JavaBeans paradigm.
This constant is not longer needed and will be removed in the
<em>near</em> term.
*/
public static final String TIMEZONE_OPTION = "TimeZone";
protected FieldPosition pos = new FieldPosition(0);
private String timeZoneID;
private String dateFormatOption;
protected DateFormat dateFormat;
protected Date date = new Date();
/**
The value of the <b>DateFormat</b> option should be either an
argument to the constructor of {@link SimpleDateFormat} or one of
the srings "NULL", "RELATIVE", "ABSOLUTE", "DATE" or "ISO8601.
*/
public void setDateFormat(String dateFormat) {
if (dateFormat != null) {
dateFormatOption = dateFormat;
}
setDateFormat(dateFormatOption, TimeZone.getDefault());
}
/**
Returns value of the <b>DateFormat</b> option.
*/
public String getDateFormat() {
return dateFormatOption;
}
/**
The <b>TimeZoneID</b> option is a time zone ID string in the format
expected by the {@link TimeZone#getTimeZone} method.
*/
public void setTimeZone(String timeZone) {
this.timeZoneID = timeZone;
}
/**
Returns value of the <b>TimeZone</b> option.
*/
public String getTimeZone() {
return timeZoneID;
}
public void activateOptions() {
setDateFormat(dateFormatOption);
if ((timeZoneID != null) && (dateFormat != null)) {
dateFormat.setTimeZone(TimeZone.getTimeZone(timeZoneID));
}
}
public void dateFormat(StringBuffer buf, LoggingEvent event) {
if (dateFormat != null) {
date.setTime(event.timeStamp);
dateFormat.format(date, buf, this.pos);
buf.append(' ');
}
}
/**
Sets the {@link DateFormat} used to format time and date in the
zone determined by <code>timeZone</code>.
*/
public void setDateFormat(DateFormat dateFormat, TimeZone timeZone) {
this.dateFormat = dateFormat;
this.dateFormat.setTimeZone(timeZone);
}
/**
Sets the DateFormat used to format date and time in the time zone
determined by <code>timeZone</code> parameter. The {@link DateFormat} used
will depend on the <code>dateFormatType</code>.
<p>The recognized types are {@link #NULL_DATE_FORMAT}, {@link
#RELATIVE_TIME_DATE_FORMAT} {@link
AbsoluteTimeDateFormat#ABS_TIME_DATE_FORMAT}, {@link
AbsoluteTimeDateFormat#DATE_AND_TIME_DATE_FORMAT} and {@link
AbsoluteTimeDateFormat#ISO8601_DATE_FORMAT}. If the
<code>dateFormatType</code> is not one of the above, then the
argument is assumed to be a date pattern for {@link
SimpleDateFormat}.
*/
public void setDateFormat(String dateFormatType, TimeZone timeZone) {
if (dateFormatType == null) {
this.dateFormat = null;
return;
}
if (dateFormatType.equalsIgnoreCase(NULL_DATE_FORMAT)) {
this.dateFormat = null;
} else if (dateFormatType.equalsIgnoreCase(RELATIVE_TIME_DATE_FORMAT)) {
this.dateFormat = new RelativeTimeDateFormat();
} else if (
dateFormatType.equalsIgnoreCase(
AbsoluteTimeDateFormat.ABS_TIME_DATE_FORMAT)) {
this.dateFormat = new AbsoluteTimeDateFormat(timeZone);
} else if (
dateFormatType.equalsIgnoreCase(
AbsoluteTimeDateFormat.DATE_AND_TIME_DATE_FORMAT)) {
this.dateFormat = new DateTimeDateFormat(timeZone);
} else if (
dateFormatType.equalsIgnoreCase(
AbsoluteTimeDateFormat.ISO8601_DATE_FORMAT)) {
this.dateFormat = new ISO8601DateFormat(timeZone);
} else {
this.dateFormat = new SimpleDateFormat(dateFormatType);
this.dateFormat.setTimeZone(timeZone);
}
}
}