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<div class="subTitle">org.apache.mina.filter.logging</div>
<h2 title="Class MdcInjectionFilter" class="title">Class MdcInjectionFilter</h2>
</div>
<div class="contentContainer">
<ul class="inheritance">
<li>java.lang.Object</li>
<li>
<ul class="inheritance">
<li><a href="../../../../../org/apache/mina/core/filterchain/IoFilterAdapter.html" title="class in org.apache.mina.core.filterchain">org.apache.mina.core.filterchain.IoFilterAdapter</a></li>
<li>
<ul class="inheritance">
<li><a href="../../../../../org/apache/mina/filter/util/CommonEventFilter.html" title="class in org.apache.mina.filter.util">org.apache.mina.filter.util.CommonEventFilter</a></li>
<li>
<ul class="inheritance">
<li>org.apache.mina.filter.logging.MdcInjectionFilter</li>
</ul>
</li>
</ul>
</li>
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<dl>
<dt>All Implemented Interfaces:</dt>
<dd><a href="../../../../../org/apache/mina/core/filterchain/IoFilter.html" title="interface in org.apache.mina.core.filterchain">IoFilter</a></dd>
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<hr>
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<pre>public class <span class="typeNameLabel">MdcInjectionFilter</span>
extends <a href="../../../../../org/apache/mina/filter/util/CommonEventFilter.html" title="class in org.apache.mina.filter.util">CommonEventFilter</a></pre>
<div class="block">This filter will inject some key IoSession properties into the Mapped Diagnostic Context (MDC)
<p/>
These properties will be set in the MDC for all logging events that are generated
down the call stack, even in code that is not aware of MINA.
By default, the following properties will be set for all transports:
<ul>
<li>"handlerClass"</li>
<li>"remoteAddress"</li>
<li>"localAddress"</li>
</ul>
When <code>session.getTransportMetadata().getAddressType() == InetSocketAddress.class</code>
the following properties will also be set:
<ul>
<li>"remoteIp"</li>
<li>"remotePort"</li>
<li>"localIp"</li>
<li>"localPort"</li>
</ul>
User code can also add properties to the context, via
If you only want the MDC to be set for the IoHandler code, it's enough to add
one MdcInjectionFilter at the end of the filter chain.
If you want the MDC to be set for ALL code, you should
add an MdcInjectionFilter to the start of the chain
and add that same MdcInjectionFilter instance after EVERY ExecutorFilter in the chain
Thus it's ok to have one instance of the MdcInjectionFilter and add it multiple times to the chain
but you should avoid adding multiple instances to the chain.</div>
<dl>
<dt><span class="simpleTagLabel">Version:</span></dt>
<dd>$Rev: 566952 $, $Date: 2007-08-17 09:25:04 +0200 (vr, 17 aug 2007) $</dd>
<dt><span class="simpleTagLabel">Author:</span></dt>
<dd>The Apache MINA Project (dev@mina.apache.org)</dd>
</dl>
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<td class="colFirst"><code>static class&nbsp;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/mina/filter/logging/MdcInjectionFilter.MdcKey.html" title="enum in org.apache.mina.filter.logging">MdcInjectionFilter.MdcKey</a></span></code>&nbsp;</td>
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<h3>Nested classes/interfaces inherited from interface&nbsp;org.apache.mina.core.filterchain.<a href="../../../../../org/apache/mina/core/filterchain/IoFilter.html" title="interface in org.apache.mina.core.filterchain">IoFilter</a></h3>
<code><a href="../../../../../org/apache/mina/core/filterchain/IoFilter.NextFilter.html" title="interface in org.apache.mina.core.filterchain">IoFilter.NextFilter</a></code></li>
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<th class="colOne" scope="col">Constructor and Description</th>
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<tr class="altColor">
<td class="colOne"><code><span class="memberNameLink"><a href="../../../../../org/apache/mina/filter/logging/MdcInjectionFilter.html#MdcInjectionFilter--">MdcInjectionFilter</a></span>()</code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colOne"><code><span class="memberNameLink"><a href="../../../../../org/apache/mina/filter/logging/MdcInjectionFilter.html#MdcInjectionFilter-java.util.EnumSet-">MdcInjectionFilter</a></span>(java.util.EnumSet&lt;<a href="../../../../../org/apache/mina/filter/logging/MdcInjectionFilter.MdcKey.html" title="enum in org.apache.mina.filter.logging">MdcInjectionFilter.MdcKey</a>&gt;&nbsp;keys)</code>
<div class="block">Use this constructor when you want to specify which keys to add to the MDC.</div>
</td>
</tr>
<tr class="altColor">
<td class="colOne"><code><span class="memberNameLink"><a href="../../../../../org/apache/mina/filter/logging/MdcInjectionFilter.html#MdcInjectionFilter-org.apache.mina.filter.logging.MdcInjectionFilter.MdcKey...-">MdcInjectionFilter</a></span>(<a href="../../../../../org/apache/mina/filter/logging/MdcInjectionFilter.MdcKey.html" title="enum in org.apache.mina.filter.logging">MdcInjectionFilter.MdcKey</a>...&nbsp;keys)</code>
<div class="block">Use this constructor when you want to specify which keys to add to the MDC
You could still add custom keys via <a href="../../../../../org/apache/mina/filter/logging/MdcInjectionFilter.html#setProperty-org.apache.mina.core.session.IoSession-java.lang.String-java.lang.String-"><code>setProperty(IoSession, String, String)</code></a></div>
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<td class="colFirst"><code>protected void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/mina/filter/logging/MdcInjectionFilter.html#fillContext-org.apache.mina.core.session.IoSession-java.util.Map-">fillContext</a></span>(<a href="../../../../../org/apache/mina/core/session/IoSession.html" title="interface in org.apache.mina.core.session">IoSession</a>&nbsp;session,
java.util.Map&lt;java.lang.String,java.lang.String&gt;&nbsp;context)</code>
<div class="block">write key properties of the session to the Mapped Diagnostic Context
sub-classes could override this method to map more/other attributes</div>
</td>
</tr>
<tr id="i1" class="rowColor">
<td class="colFirst"><code>protected void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/mina/filter/logging/MdcInjectionFilter.html#filter-org.apache.mina.core.filterchain.IoFilterEvent-">filter</a></span>(<a href="../../../../../org/apache/mina/core/filterchain/IoFilterEvent.html" title="class in org.apache.mina.core.filterchain">IoFilterEvent</a>&nbsp;event)</code>&nbsp;</td>
</tr>
<tr id="i2" class="altColor">
<td class="colFirst"><code>static java.lang.String</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/mina/filter/logging/MdcInjectionFilter.html#getProperty-org.apache.mina.core.session.IoSession-java.lang.String-">getProperty</a></span>(<a href="../../../../../org/apache/mina/core/session/IoSession.html" title="interface in org.apache.mina.core.session">IoSession</a>&nbsp;session,
java.lang.String&nbsp;key)</code>&nbsp;</td>
</tr>
<tr id="i3" class="rowColor">
<td class="colFirst"><code>static void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/mina/filter/logging/MdcInjectionFilter.html#removeProperty-org.apache.mina.core.session.IoSession-java.lang.String-">removeProperty</a></span>(<a href="../../../../../org/apache/mina/core/session/IoSession.html" title="interface in org.apache.mina.core.session">IoSession</a>&nbsp;session,
java.lang.String&nbsp;key)</code>&nbsp;</td>
</tr>
<tr id="i4" class="altColor">
<td class="colFirst"><code>static void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/mina/filter/logging/MdcInjectionFilter.html#setProperty-org.apache.mina.core.session.IoSession-java.lang.String-java.lang.String-">setProperty</a></span>(<a href="../../../../../org/apache/mina/core/session/IoSession.html" title="interface in org.apache.mina.core.session">IoSession</a>&nbsp;session,
java.lang.String&nbsp;key,
java.lang.String&nbsp;value)</code>
<div class="block">Add a property to the context for the given session
This property will be added to the MDC for all subsequent events</div>
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<code><a href="../../../../../org/apache/mina/filter/util/CommonEventFilter.html#exceptionCaught-org.apache.mina.core.filterchain.IoFilter.NextFilter-org.apache.mina.core.session.IoSession-java.lang.Throwable-">exceptionCaught</a>, <a href="../../../../../org/apache/mina/filter/util/CommonEventFilter.html#filterClose-org.apache.mina.core.filterchain.IoFilter.NextFilter-org.apache.mina.core.session.IoSession-">filterClose</a>, <a href="../../../../../org/apache/mina/filter/util/CommonEventFilter.html#filterWrite-org.apache.mina.core.filterchain.IoFilter.NextFilter-org.apache.mina.core.session.IoSession-org.apache.mina.core.write.WriteRequest-">filterWrite</a>, <a href="../../../../../org/apache/mina/filter/util/CommonEventFilter.html#messageReceived-org.apache.mina.core.filterchain.IoFilter.NextFilter-org.apache.mina.core.session.IoSession-java.lang.Object-">messageReceived</a>, <a href="../../../../../org/apache/mina/filter/util/CommonEventFilter.html#messageSent-org.apache.mina.core.filterchain.IoFilter.NextFilter-org.apache.mina.core.session.IoSession-org.apache.mina.core.write.WriteRequest-">messageSent</a>, <a href="../../../../../org/apache/mina/filter/util/CommonEventFilter.html#sessionClosed-org.apache.mina.core.filterchain.IoFilter.NextFilter-org.apache.mina.core.session.IoSession-">sessionClosed</a>, <a href="../../../../../org/apache/mina/filter/util/CommonEventFilter.html#sessionCreated-org.apache.mina.core.filterchain.IoFilter.NextFilter-org.apache.mina.core.session.IoSession-">sessionCreated</a>, <a href="../../../../../org/apache/mina/filter/util/CommonEventFilter.html#sessionIdle-org.apache.mina.core.filterchain.IoFilter.NextFilter-org.apache.mina.core.session.IoSession-org.apache.mina.core.session.IdleStatus-">sessionIdle</a>, <a href="../../../../../org/apache/mina/filter/util/CommonEventFilter.html#sessionOpened-org.apache.mina.core.filterchain.IoFilter.NextFilter-org.apache.mina.core.session.IoSession-">sessionOpened</a></code></li>
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<code><a href="../../../../../org/apache/mina/core/filterchain/IoFilterAdapter.html#destroy--">destroy</a>, <a href="../../../../../org/apache/mina/core/filterchain/IoFilterAdapter.html#init--">init</a>, <a href="../../../../../org/apache/mina/core/filterchain/IoFilterAdapter.html#onPostAdd-org.apache.mina.core.filterchain.IoFilterChain-java.lang.String-org.apache.mina.core.filterchain.IoFilter.NextFilter-">onPostAdd</a>, <a href="../../../../../org/apache/mina/core/filterchain/IoFilterAdapter.html#onPostRemove-org.apache.mina.core.filterchain.IoFilterChain-java.lang.String-org.apache.mina.core.filterchain.IoFilter.NextFilter-">onPostRemove</a>, <a href="../../../../../org/apache/mina/core/filterchain/IoFilterAdapter.html#onPreAdd-org.apache.mina.core.filterchain.IoFilterChain-java.lang.String-org.apache.mina.core.filterchain.IoFilter.NextFilter-">onPreAdd</a>, <a href="../../../../../org/apache/mina/core/filterchain/IoFilterAdapter.html#onPreRemove-org.apache.mina.core.filterchain.IoFilterChain-java.lang.String-org.apache.mina.core.filterchain.IoFilter.NextFilter-">onPreRemove</a>, <a href="../../../../../org/apache/mina/core/filterchain/IoFilterAdapter.html#toString--">toString</a></code></li>
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<h4>MdcInjectionFilter</h4>
<pre>public&nbsp;MdcInjectionFilter(java.util.EnumSet&lt;<a href="../../../../../org/apache/mina/filter/logging/MdcInjectionFilter.MdcKey.html" title="enum in org.apache.mina.filter.logging">MdcInjectionFilter.MdcKey</a>&gt;&nbsp;keys)</pre>
<div class="block">Use this constructor when you want to specify which keys to add to the MDC.
You could still add custom keys via <a href="../../../../../org/apache/mina/filter/logging/MdcInjectionFilter.html#setProperty-org.apache.mina.core.session.IoSession-java.lang.String-java.lang.String-"><code>setProperty(IoSession, String, String)</code></a></div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>keys</code> - set of keys that should be added to the MDC</dd>
<dt><span class="seeLabel">See Also:</span></dt>
<dd><a href="../../../../../org/apache/mina/filter/logging/MdcInjectionFilter.html#setProperty-org.apache.mina.core.session.IoSession-java.lang.String-java.lang.String-"><code>setProperty(org.apache.mina.core.session.IoSession, String, String)</code></a></dd>
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<h4>MdcInjectionFilter</h4>
<pre>public&nbsp;MdcInjectionFilter(<a href="../../../../../org/apache/mina/filter/logging/MdcInjectionFilter.MdcKey.html" title="enum in org.apache.mina.filter.logging">MdcInjectionFilter.MdcKey</a>...&nbsp;keys)</pre>
<div class="block">Use this constructor when you want to specify which keys to add to the MDC
You could still add custom keys via <a href="../../../../../org/apache/mina/filter/logging/MdcInjectionFilter.html#setProperty-org.apache.mina.core.session.IoSession-java.lang.String-java.lang.String-"><code>setProperty(IoSession, String, String)</code></a></div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>keys</code> - list of keys that should be added to the MDC</dd>
<dt><span class="seeLabel">See Also:</span></dt>
<dd><a href="../../../../../org/apache/mina/filter/logging/MdcInjectionFilter.html#setProperty-org.apache.mina.core.session.IoSession-java.lang.String-java.lang.String-"><code>setProperty(org.apache.mina.core.session.IoSession, String, String)</code></a></dd>
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<h4>MdcInjectionFilter</h4>
<pre>public&nbsp;MdcInjectionFilter()</pre>
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<h4>filter</h4>
<pre>protected&nbsp;void&nbsp;filter(<a href="../../../../../org/apache/mina/core/filterchain/IoFilterEvent.html" title="class in org.apache.mina.core.filterchain">IoFilterEvent</a>&nbsp;event)
throws java.lang.Exception</pre>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../org/apache/mina/filter/util/CommonEventFilter.html#filter-org.apache.mina.core.filterchain.IoFilterEvent-">filter</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../org/apache/mina/filter/util/CommonEventFilter.html" title="class in org.apache.mina.filter.util">CommonEventFilter</a></code></dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code>java.lang.Exception</code></dd>
</dl>
</li>
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<a name="fillContext-org.apache.mina.core.session.IoSession-java.util.Map-">
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<h4>fillContext</h4>
<pre>protected&nbsp;void&nbsp;fillContext(<a href="../../../../../org/apache/mina/core/session/IoSession.html" title="interface in org.apache.mina.core.session">IoSession</a>&nbsp;session,
java.util.Map&lt;java.lang.String,java.lang.String&gt;&nbsp;context)</pre>
<div class="block">write key properties of the session to the Mapped Diagnostic Context
sub-classes could override this method to map more/other attributes</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>session</code> - the session to map</dd>
<dd><code>context</code> - key properties will be added to this map</dd>
</dl>
</li>
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<a name="getProperty-org.apache.mina.core.session.IoSession-java.lang.String-">
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<h4>getProperty</h4>
<pre>public static&nbsp;java.lang.String&nbsp;getProperty(<a href="../../../../../org/apache/mina/core/session/IoSession.html" title="interface in org.apache.mina.core.session">IoSession</a>&nbsp;session,
java.lang.String&nbsp;key)</pre>
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<h4>setProperty</h4>
<pre>public static&nbsp;void&nbsp;setProperty(<a href="../../../../../org/apache/mina/core/session/IoSession.html" title="interface in org.apache.mina.core.session">IoSession</a>&nbsp;session,
java.lang.String&nbsp;key,
java.lang.String&nbsp;value)</pre>
<div class="block">Add a property to the context for the given session
This property will be added to the MDC for all subsequent events</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>session</code> - The session for which you want to set a property</dd>
<dd><code>key</code> - The name of the property (should not be null)</dd>
<dd><code>value</code> - The value of the property</dd>
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<h4>removeProperty</h4>
<pre>public static&nbsp;void&nbsp;removeProperty(<a href="../../../../../org/apache/mina/core/session/IoSession.html" title="interface in org.apache.mina.core.session">IoSession</a>&nbsp;session,
java.lang.String&nbsp;key)</pre>
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