| /* |
| * ============================================================================ |
| * 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 Gülcü |
| */ |
| 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); |
| } |
| } |
| } |