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<div class="subTitle">org.apache.logging.log4j.core.util.datetime</div>
<h2 title="Interface DatePrinter" class="title">Interface DatePrinter</h2>
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<dt>All Known Implementing Classes:</dt>
<dd><a href="../../../../../../../org/apache/logging/log4j/core/util/datetime/FastDateFormat.html" title="class in org.apache.logging.log4j.core.util.datetime">FastDateFormat</a>, <a href="../../../../../../../org/apache/logging/log4j/core/util/datetime/FastDatePrinter.html" title="class in org.apache.logging.log4j.core.util.datetime">FastDatePrinter</a></dd>
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<pre>public interface <a href="../../../../../../../src-html/org/apache/logging/log4j/core/util/datetime/DatePrinter.html#line.40">DatePrinter</a></pre>
<div class="block">DatePrinter is the "missing" interface for the format methods of
<a href="https://docs.oracle.com/javase/8/docs/api/java/text/DateFormat.html?is-external=true" title="class or interface in java.text"><code>DateFormat</code></a>. You can obtain an object implementing this
interface by using one of the FastDateFormat factory methods.
<p>
Warning: Since binary compatible methods may be added to this interface in any
release, developers are not expected to implement this interface.
</p>
<p>
Copied and modified from <a href="https://commons.apache.org/proper/commons-lang/">Apache Commons Lang</a>.
</p></div>
<dl>
<dt><span class="simpleTagLabel">Since:</span></dt>
<dd>Apache Commons Lang 3.2</dd>
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<h3>Method Summary</h3>
<table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="Method Summary table, listing methods, and an explanation">
<caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd">&nbsp;</span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">Instance Methods</a></span><span class="tabEnd">&nbsp;</span></span><span id="t3" class="tableTab"><span><a href="javascript:show(4);">Abstract Methods</a></span><span class="tabEnd">&nbsp;</span></span></caption>
<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Method and Description</th>
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<tr id="i0" class="altColor">
<td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/logging/log4j/core/util/datetime/DatePrinter.html#format-java.util.Calendar-">format</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Calendar.html?is-external=true" title="class or interface in java.util">Calendar</a>&nbsp;calendar)</code>
<div class="block">Formats a <code>Calendar</code> object.</div>
</td>
</tr>
<tr id="i1" class="rowColor">
<td class="colFirst"><code>&lt;B extends <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Appendable.html?is-external=true" title="class or interface in java.lang">Appendable</a>&gt;<br>B</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/logging/log4j/core/util/datetime/DatePrinter.html#format-java.util.Calendar-B-">format</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Calendar.html?is-external=true" title="class or interface in java.util">Calendar</a>&nbsp;calendar,
B&nbsp;buf)</code>
<div class="block">Formats a <code>Calendar</code> object into the supplied <code>Appendable</code>.</div>
</td>
</tr>
<tr id="i2" class="altColor">
<td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/logging/log4j/core/util/datetime/DatePrinter.html#format-java.util.Date-">format</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Date.html?is-external=true" title="class or interface in java.util">Date</a>&nbsp;date)</code>
<div class="block">Formats a <code>Date</code> object using a <code>GregorianCalendar</code>.</div>
</td>
</tr>
<tr id="i3" class="rowColor">
<td class="colFirst"><code>&lt;B extends <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Appendable.html?is-external=true" title="class or interface in java.lang">Appendable</a>&gt;<br>B</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/logging/log4j/core/util/datetime/DatePrinter.html#format-java.util.Date-B-">format</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Date.html?is-external=true" title="class or interface in java.util">Date</a>&nbsp;date,
B&nbsp;buf)</code>
<div class="block">Formats a <code>Date</code> object into the
supplied <code>Appendable</code> using a <code>GregorianCalendar</code>.</div>
</td>
</tr>
<tr id="i4" class="altColor">
<td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/logging/log4j/core/util/datetime/DatePrinter.html#format-long-">format</a></span>(long&nbsp;millis)</code>
<div class="block">Formats a millisecond <code>long</code> value.</div>
</td>
</tr>
<tr id="i5" class="rowColor">
<td class="colFirst"><code>&lt;B extends <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Appendable.html?is-external=true" title="class or interface in java.lang">Appendable</a>&gt;<br>B</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/logging/log4j/core/util/datetime/DatePrinter.html#format-long-B-">format</a></span>(long&nbsp;millis,
B&nbsp;buf)</code>
<div class="block">Formats a millisecond <code>long</code> value into the
supplied <code>Appendable</code>.</div>
</td>
</tr>
<tr id="i6" class="altColor">
<td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/StringBuilder.html?is-external=true" title="class or interface in java.lang">StringBuilder</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/logging/log4j/core/util/datetime/DatePrinter.html#format-java.lang.Object-java.lang.StringBuilder-java.text.FieldPosition-">format</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>&nbsp;obj,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/StringBuilder.html?is-external=true" title="class or interface in java.lang">StringBuilder</a>&nbsp;toAppendTo,
<a href="https://docs.oracle.com/javase/8/docs/api/java/text/FieldPosition.html?is-external=true" title="class or interface in java.text">FieldPosition</a>&nbsp;pos)</code>
<div class="block">Formats a <code>Date</code>, <code>Calendar</code> or
<code>Long</code> (milliseconds) object.</div>
</td>
</tr>
<tr id="i7" class="rowColor">
<td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/Locale.html?is-external=true" title="class or interface in java.util">Locale</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/logging/log4j/core/util/datetime/DatePrinter.html#getLocale--">getLocale</a></span>()</code>
<div class="block">Gets the locale used by this printer.</div>
</td>
</tr>
<tr id="i8" class="altColor">
<td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/logging/log4j/core/util/datetime/DatePrinter.html#getPattern--">getPattern</a></span>()</code>
<div class="block">Gets the pattern used by this printer.</div>
</td>
</tr>
<tr id="i9" class="rowColor">
<td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/TimeZone.html?is-external=true" title="class or interface in java.util">TimeZone</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/logging/log4j/core/util/datetime/DatePrinter.html#getTimeZone--">getTimeZone</a></span>()</code>
<div class="block">Gets the time zone used by this printer.</div>
</td>
</tr>
</table>
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</ul>
</li>
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<h3>Method Detail</h3>
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<h4>format</h4>
<pre><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;<a href="../../../../../../../src-html/org/apache/logging/log4j/core/util/datetime/DatePrinter.html#line.49">format</a>(long&nbsp;millis)</pre>
<div class="block"><p>Formats a millisecond <code>long</code> value.</p></div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>millis</code> - the millisecond value to format</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the formatted string</dd>
<dt><span class="simpleTagLabel">Since:</span></dt>
<dd>2.1</dd>
</dl>
</li>
</ul>
<a name="format-java.util.Date-">
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<h4>format</h4>
<pre><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;<a href="../../../../../../../src-html/org/apache/logging/log4j/core/util/datetime/DatePrinter.html#line.57">format</a>(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Date.html?is-external=true" title="class or interface in java.util">Date</a>&nbsp;date)</pre>
<div class="block"><p>Formats a <code>Date</code> object using a <code>GregorianCalendar</code>.</p></div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>date</code> - the date to format</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the formatted string</dd>
</dl>
</li>
</ul>
<a name="format-java.util.Calendar-">
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<h4>format</h4>
<pre><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;<a href="../../../../../../../src-html/org/apache/logging/log4j/core/util/datetime/DatePrinter.html#line.68">format</a>(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Calendar.html?is-external=true" title="class or interface in java.util">Calendar</a>&nbsp;calendar)</pre>
<div class="block"><p>Formats a <code>Calendar</code> object.</p>
The TimeZone set on the Calendar is only used to adjust the time offset.
The TimeZone specified during the construction of the Parser will determine the TimeZone
used in the formatted string.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>calendar</code> - the calendar to format.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the formatted string</dd>
</dl>
</li>
</ul>
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<h4>format</h4>
<pre>&lt;B extends <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Appendable.html?is-external=true" title="class or interface in java.lang">Appendable</a>&gt;&nbsp;B&nbsp;<a href="../../../../../../../src-html/org/apache/logging/log4j/core/util/datetime/DatePrinter.html#line.80">format</a>(long&nbsp;millis,
B&nbsp;buf)</pre>
<div class="block"><p>Formats a millisecond <code>long</code> value into the
supplied <code>Appendable</code>.</p></div>
<dl>
<dt><span class="paramLabel">Type Parameters:</span></dt>
<dd><code>B</code> - the Appendable class type, usually StringBuilder or StringBuffer.</dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>millis</code> - the millisecond value to format</dd>
<dd><code>buf</code> - the buffer to format into</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the specified string buffer</dd>
<dt><span class="simpleTagLabel">Since:</span></dt>
<dd>3.5</dd>
</dl>
</li>
</ul>
<a name="format-java.util.Date-java.lang.Appendable-">
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</a><a name="format-java.util.Date-B-">
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<h4>format</h4>
<pre>&lt;B extends <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Appendable.html?is-external=true" title="class or interface in java.lang">Appendable</a>&gt;&nbsp;B&nbsp;<a href="../../../../../../../src-html/org/apache/logging/log4j/core/util/datetime/DatePrinter.html#line.92">format</a>(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Date.html?is-external=true" title="class or interface in java.util">Date</a>&nbsp;date,
B&nbsp;buf)</pre>
<div class="block"><p>Formats a <code>Date</code> object into the
supplied <code>Appendable</code> using a <code>GregorianCalendar</code>.</p></div>
<dl>
<dt><span class="paramLabel">Type Parameters:</span></dt>
<dd><code>B</code> - the Appendable class type, usually StringBuilder or StringBuffer.</dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>date</code> - the date to format</dd>
<dd><code>buf</code> - the buffer to format into</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the specified string buffer</dd>
<dt><span class="simpleTagLabel">Since:</span></dt>
<dd>3.5</dd>
</dl>
</li>
</ul>
<a name="format-java.util.Calendar-java.lang.Appendable-">
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</a><a name="format-java.util.Calendar-B-">
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<h4>format</h4>
<pre>&lt;B extends <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Appendable.html?is-external=true" title="class or interface in java.lang">Appendable</a>&gt;&nbsp;B&nbsp;<a href="../../../../../../../src-html/org/apache/logging/log4j/core/util/datetime/DatePrinter.html#line.106">format</a>(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Calendar.html?is-external=true" title="class or interface in java.util">Calendar</a>&nbsp;calendar,
B&nbsp;buf)</pre>
<div class="block"><p>Formats a <code>Calendar</code> object into the supplied <code>Appendable</code>.</p>
The TimeZone set on the Calendar is only used to adjust the time offset.
The TimeZone specified during the construction of the Parser will determine the TimeZone
used in the formatted string.</div>
<dl>
<dt><span class="paramLabel">Type Parameters:</span></dt>
<dd><code>B</code> - the Appendable class type, usually StringBuilder or StringBuffer.</dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>calendar</code> - the calendar to format</dd>
<dd><code>buf</code> - the buffer to format into</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the specified string buffer</dd>
<dt><span class="simpleTagLabel">Since:</span></dt>
<dd>3.5</dd>
</dl>
</li>
</ul>
<a name="getPattern--">
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<h4>getPattern</h4>
<pre><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;<a href="../../../../../../../src-html/org/apache/logging/log4j/core/util/datetime/DatePrinter.html#line.116">getPattern</a>()</pre>
<div class="block"><p>Gets the pattern used by this printer.</p></div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the pattern, <a href="https://docs.oracle.com/javase/8/docs/api/java/text/SimpleDateFormat.html?is-external=true" title="class or interface in java.text"><code>SimpleDateFormat</code></a> compatible</dd>
</dl>
</li>
</ul>
<a name="getTimeZone--">
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<h4>getTimeZone</h4>
<pre><a href="https://docs.oracle.com/javase/8/docs/api/java/util/TimeZone.html?is-external=true" title="class or interface in java.util">TimeZone</a>&nbsp;<a href="../../../../../../../src-html/org/apache/logging/log4j/core/util/datetime/DatePrinter.html#line.125">getTimeZone</a>()</pre>
<div class="block"><p>Gets the time zone used by this printer.</p>
<p>This zone is always used for <code>Date</code> printing. </p></div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the time zone</dd>
</dl>
</li>
</ul>
<a name="getLocale--">
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<h4>getLocale</h4>
<pre><a href="https://docs.oracle.com/javase/8/docs/api/java/util/Locale.html?is-external=true" title="class or interface in java.util">Locale</a>&nbsp;<a href="../../../../../../../src-html/org/apache/logging/log4j/core/util/datetime/DatePrinter.html#line.132">getLocale</a>()</pre>
<div class="block"><p>Gets the locale used by this printer.</p></div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the locale</dd>
</dl>
</li>
</ul>
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<h4>format</h4>
<pre><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/StringBuilder.html?is-external=true" title="class or interface in java.lang">StringBuilder</a>&nbsp;<a href="../../../../../../../src-html/org/apache/logging/log4j/core/util/datetime/DatePrinter.html#line.144">format</a>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>&nbsp;obj,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/StringBuilder.html?is-external=true" title="class or interface in java.lang">StringBuilder</a>&nbsp;toAppendTo,
<a href="https://docs.oracle.com/javase/8/docs/api/java/text/FieldPosition.html?is-external=true" title="class or interface in java.text">FieldPosition</a>&nbsp;pos)</pre>
<div class="block"><p>Formats a <code>Date</code>, <code>Calendar</code> or
<code>Long</code> (milliseconds) object.</p></div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>obj</code> - the object to format</dd>
<dd><code>toAppendTo</code> - the buffer to append to</dd>
<dd><code>pos</code> - the position - ignored</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the buffer passed in</dd>
<dt><span class="seeLabel">See Also:</span></dt>
<dd><a href="https://docs.oracle.com/javase/8/docs/api/java/text/DateFormat.html?is-external=true#format-java.lang.Object-java.lang.StringBuffer-java.text.FieldPosition-" title="class or interface in java.text"><code>DateFormat.format(Object, StringBuffer, FieldPosition)</code></a></dd>
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