| <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> |
| <html lang="en"> |
| <head> |
| <title>Source code</title> |
| <link rel="stylesheet" type="text/css" href="../../../../../stylesheet.css" title="Style"> |
| </head> |
| <body> |
| <div class="sourceContainer"> |
| <pre><span class="sourceLineNo">001</span>/*<a name="line.1"></a> |
| <span class="sourceLineNo">002</span> * Licensed to the Apache Software Foundation (ASF) under one or more<a name="line.2"></a> |
| <span class="sourceLineNo">003</span> * contributor license agreements. See the NOTICE file distributed with<a name="line.3"></a> |
| <span class="sourceLineNo">004</span> * this work for additional information regarding copyright ownership.<a name="line.4"></a> |
| <span class="sourceLineNo">005</span> * The ASF licenses this file to You under the Apache license, Version 2.0<a name="line.5"></a> |
| <span class="sourceLineNo">006</span> * (the "License"); you may not use this file except in compliance with<a name="line.6"></a> |
| <span class="sourceLineNo">007</span> * the License. You may obtain a copy of the License at<a name="line.7"></a> |
| <span class="sourceLineNo">008</span> *<a name="line.8"></a> |
| <span class="sourceLineNo">009</span> * http://www.apache.org/licenses/LICENSE-2.0<a name="line.9"></a> |
| <span class="sourceLineNo">010</span> *<a name="line.10"></a> |
| <span class="sourceLineNo">011</span> * Unless required by applicable law or agreed to in writing, software<a name="line.11"></a> |
| <span class="sourceLineNo">012</span> * distributed under the License is distributed on an "AS IS" BASIS,<a name="line.12"></a> |
| <span class="sourceLineNo">013</span> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.<a name="line.13"></a> |
| <span class="sourceLineNo">014</span> * See the license for the specific language governing permissions and<a name="line.14"></a> |
| <span class="sourceLineNo">015</span> * limitations under the license.<a name="line.15"></a> |
| <span class="sourceLineNo">016</span> */<a name="line.16"></a> |
| <span class="sourceLineNo">017</span>package org.apache.log4j.spi;<a name="line.17"></a> |
| <span class="sourceLineNo">018</span><a name="line.18"></a> |
| <span class="sourceLineNo">019</span>import org.apache.log4j.bridge.FilterAdapter;<a name="line.19"></a> |
| <span class="sourceLineNo">020</span><a name="line.20"></a> |
| <span class="sourceLineNo">021</span>/**<a name="line.21"></a> |
| <span class="sourceLineNo">022</span> * @since 0.9.0<a name="line.22"></a> |
| <span class="sourceLineNo">023</span> */<a name="line.23"></a> |
| <span class="sourceLineNo">024</span>public abstract class Filter {<a name="line.24"></a> |
| <span class="sourceLineNo">025</span> private final FilterAdapter adapter;<a name="line.25"></a> |
| <span class="sourceLineNo">026</span><a name="line.26"></a> |
| <span class="sourceLineNo">027</span> public Filter() {<a name="line.27"></a> |
| <span class="sourceLineNo">028</span> FilterAdapter filterAdapter = null;<a name="line.28"></a> |
| <span class="sourceLineNo">029</span> try {<a name="line.29"></a> |
| <span class="sourceLineNo">030</span> Class.forName("org.apache.logging.log4j.core.Filter");<a name="line.30"></a> |
| <span class="sourceLineNo">031</span> filterAdapter = new FilterAdapter(this);<a name="line.31"></a> |
| <span class="sourceLineNo">032</span> } catch(ClassNotFoundException ex) {<a name="line.32"></a> |
| <span class="sourceLineNo">033</span> // Ignore the exception. Log4j Core is not present.<a name="line.33"></a> |
| <span class="sourceLineNo">034</span> }<a name="line.34"></a> |
| <span class="sourceLineNo">035</span> this.adapter = filterAdapter;<a name="line.35"></a> |
| <span class="sourceLineNo">036</span> }<a name="line.36"></a> |
| <span class="sourceLineNo">037</span><a name="line.37"></a> |
| <span class="sourceLineNo">038</span> /**<a name="line.38"></a> |
| <span class="sourceLineNo">039</span> * The log event must be dropped immediately without consulting<a name="line.39"></a> |
| <span class="sourceLineNo">040</span> * with the remaining filters, if any, in the chain.<a name="line.40"></a> |
| <span class="sourceLineNo">041</span> */<a name="line.41"></a> |
| <span class="sourceLineNo">042</span> public static final int DENY = -1;<a name="line.42"></a> |
| <span class="sourceLineNo">043</span><a name="line.43"></a> |
| <span class="sourceLineNo">044</span> /**<a name="line.44"></a> |
| <span class="sourceLineNo">045</span> * This filter is neutral with respect to the log event. The<a name="line.45"></a> |
| <span class="sourceLineNo">046</span> * remaining filters, if any, should be consulted for a final decision.<a name="line.46"></a> |
| <span class="sourceLineNo">047</span> */<a name="line.47"></a> |
| <span class="sourceLineNo">048</span> public static final int NEUTRAL = 0;<a name="line.48"></a> |
| <span class="sourceLineNo">049</span><a name="line.49"></a> |
| <span class="sourceLineNo">050</span> /**<a name="line.50"></a> |
| <span class="sourceLineNo">051</span> * The log event must be logged immediately without consulting with<a name="line.51"></a> |
| <span class="sourceLineNo">052</span> * the remaining filters, if any, in the chain.<a name="line.52"></a> |
| <span class="sourceLineNo">053</span> */<a name="line.53"></a> |
| <span class="sourceLineNo">054</span> public static final int ACCEPT = 1;<a name="line.54"></a> |
| <span class="sourceLineNo">055</span><a name="line.55"></a> |
| <span class="sourceLineNo">056</span> /**<a name="line.56"></a> |
| <span class="sourceLineNo">057</span> * Points to the next filter in the filter chain.<a name="line.57"></a> |
| <span class="sourceLineNo">058</span> *<a name="line.58"></a> |
| <span class="sourceLineNo">059</span> * @deprecated As of 1.2.12, use {@link #getNext} and {@link #setNext} instead<a name="line.59"></a> |
| <span class="sourceLineNo">060</span> */<a name="line.60"></a> |
| <span class="sourceLineNo">061</span> @Deprecated<a name="line.61"></a> |
| <span class="sourceLineNo">062</span> public Filter next;<a name="line.62"></a> |
| <span class="sourceLineNo">063</span><a name="line.63"></a> |
| <span class="sourceLineNo">064</span> /**<a name="line.64"></a> |
| <span class="sourceLineNo">065</span> * Usually filters options become active when set. We provide a<a name="line.65"></a> |
| <span class="sourceLineNo">066</span> * default do-nothing implementation for convenience.<a name="line.66"></a> |
| <span class="sourceLineNo">067</span> */<a name="line.67"></a> |
| <span class="sourceLineNo">068</span> public void activateOptions() {<a name="line.68"></a> |
| <span class="sourceLineNo">069</span> }<a name="line.69"></a> |
| <span class="sourceLineNo">070</span><a name="line.70"></a> |
| <span class="sourceLineNo">071</span><a name="line.71"></a> |
| <span class="sourceLineNo">072</span> /**<a name="line.72"></a> |
| <span class="sourceLineNo">073</span> * <p>If the decision is <code>DENY</code>, then the event will be<a name="line.73"></a> |
| <span class="sourceLineNo">074</span> * dropped. If the decision is <code>NEUTRAL</code>, then the next<a name="line.74"></a> |
| <span class="sourceLineNo">075</span> * filter, if any, will be invoked. If the decision is ACCEPT then<a name="line.75"></a> |
| <span class="sourceLineNo">076</span> * the event will be logged without consulting with other filters in<a name="line.76"></a> |
| <span class="sourceLineNo">077</span> * the chain.<a name="line.77"></a> |
| <span class="sourceLineNo">078</span> *<a name="line.78"></a> |
| <span class="sourceLineNo">079</span> * @param event The LoggingEvent to decide upon.<a name="line.79"></a> |
| <span class="sourceLineNo">080</span> * @return decision The decision of the filter.<a name="line.80"></a> |
| <span class="sourceLineNo">081</span> */<a name="line.81"></a> |
| <span class="sourceLineNo">082</span> public abstract int decide(LoggingEvent event);<a name="line.82"></a> |
| <span class="sourceLineNo">083</span><a name="line.83"></a> |
| <span class="sourceLineNo">084</span> /**<a name="line.84"></a> |
| <span class="sourceLineNo">085</span> * Set the next filter pointer.<a name="line.85"></a> |
| <span class="sourceLineNo">086</span> * @param next The next Filter.<a name="line.86"></a> |
| <span class="sourceLineNo">087</span> */<a name="line.87"></a> |
| <span class="sourceLineNo">088</span> public void setNext(final Filter next) {<a name="line.88"></a> |
| <span class="sourceLineNo">089</span> this.next = next;<a name="line.89"></a> |
| <span class="sourceLineNo">090</span> }<a name="line.90"></a> |
| <span class="sourceLineNo">091</span><a name="line.91"></a> |
| <span class="sourceLineNo">092</span> /**<a name="line.92"></a> |
| <span class="sourceLineNo">093</span> * Return the pointer to the next filter.<a name="line.93"></a> |
| <span class="sourceLineNo">094</span> * @return The next Filter.<a name="line.94"></a> |
| <span class="sourceLineNo">095</span> */<a name="line.95"></a> |
| <span class="sourceLineNo">096</span> public Filter getNext() {<a name="line.96"></a> |
| <span class="sourceLineNo">097</span> return next;<a name="line.97"></a> |
| <span class="sourceLineNo">098</span> }<a name="line.98"></a> |
| <span class="sourceLineNo">099</span><a name="line.99"></a> |
| <span class="sourceLineNo">100</span>}<a name="line.100"></a> |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| </pre> |
| </div> |
| </body> |
| </html> |
