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| <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 java.util.Enumeration;<a name="line.19"></a> |
| <span class="sourceLineNo">020</span><a name="line.20"></a> |
| <span class="sourceLineNo">021</span>import org.apache.log4j.Appender;<a name="line.21"></a> |
| <span class="sourceLineNo">022</span>import org.apache.log4j.Category;<a name="line.22"></a> |
| <span class="sourceLineNo">023</span>import org.apache.log4j.Level;<a name="line.23"></a> |
| <span class="sourceLineNo">024</span>import org.apache.log4j.Logger;<a name="line.24"></a> |
| <span class="sourceLineNo">025</span><a name="line.25"></a> |
| <span class="sourceLineNo">026</span>/**<a name="line.26"></a> |
| <span class="sourceLineNo">027</span> * A <code>LoggerRepository</code> is used to create and retrieve <code>Loggers</code>.<a name="line.27"></a> |
| <span class="sourceLineNo">028</span> * <p><a name="line.28"></a> |
| <span class="sourceLineNo">029</span> * The relation between loggers in a repository depends on the repository but typically loggers are arranged in a named<a name="line.29"></a> |
| <span class="sourceLineNo">030</span> * hierarchy.<a name="line.30"></a> |
| <span class="sourceLineNo">031</span> * </p><a name="line.31"></a> |
| <span class="sourceLineNo">032</span> * <p><a name="line.32"></a> |
| <span class="sourceLineNo">033</span> * In addition to the creational methods, a <code>LoggerRepository</code> can be queried for existing loggers, can act<a name="line.33"></a> |
| <span class="sourceLineNo">034</span> * as a point of registry for events related to loggers.<a name="line.34"></a> |
| <span class="sourceLineNo">035</span> * </p><a name="line.35"></a> |
| <span class="sourceLineNo">036</span> *<a name="line.36"></a> |
| <span class="sourceLineNo">037</span> * @since 1.2<a name="line.37"></a> |
| <span class="sourceLineNo">038</span> */<a name="line.38"></a> |
| <span class="sourceLineNo">039</span>public interface LoggerRepository {<a name="line.39"></a> |
| <span class="sourceLineNo">040</span><a name="line.40"></a> |
| <span class="sourceLineNo">041</span> /**<a name="line.41"></a> |
| <span class="sourceLineNo">042</span> * Add a {@link HierarchyEventListener} event to the repository.<a name="line.42"></a> |
| <span class="sourceLineNo">043</span> *<a name="line.43"></a> |
| <span class="sourceLineNo">044</span> * @param listener The listener<a name="line.44"></a> |
| <span class="sourceLineNo">045</span> */<a name="line.45"></a> |
| <span class="sourceLineNo">046</span> void addHierarchyEventListener(HierarchyEventListener listener);<a name="line.46"></a> |
| <span class="sourceLineNo">047</span><a name="line.47"></a> |
| <span class="sourceLineNo">048</span> /**<a name="line.48"></a> |
| <span class="sourceLineNo">049</span> * Returns whether this repository is disabled for a given<a name="line.49"></a> |
| <span class="sourceLineNo">050</span> * level. The answer depends on the repository threshold and the<a name="line.50"></a> |
| <span class="sourceLineNo">051</span> * <code>level</code> parameter. See also {@link #setThreshold}<a name="line.51"></a> |
| <span class="sourceLineNo">052</span> * method.<a name="line.52"></a> |
| <span class="sourceLineNo">053</span> *<a name="line.53"></a> |
| <span class="sourceLineNo">054</span> * @param level The level<a name="line.54"></a> |
| <span class="sourceLineNo">055</span> * @return whether this repository is disabled.<a name="line.55"></a> |
| <span class="sourceLineNo">056</span> */<a name="line.56"></a> |
| <span class="sourceLineNo">057</span> boolean isDisabled(int level);<a name="line.57"></a> |
| <span class="sourceLineNo">058</span><a name="line.58"></a> |
| <span class="sourceLineNo">059</span> /**<a name="line.59"></a> |
| <span class="sourceLineNo">060</span> * Set the repository-wide threshold. All logging requests below the<a name="line.60"></a> |
| <span class="sourceLineNo">061</span> * threshold are immediately dropped. By default, the threshold is<a name="line.61"></a> |
| <span class="sourceLineNo">062</span> * set to <code>Level.ALL</code> which has the lowest possible rank.<a name="line.62"></a> |
| <span class="sourceLineNo">063</span> *<a name="line.63"></a> |
| <span class="sourceLineNo">064</span> * @param level The level<a name="line.64"></a> |
| <span class="sourceLineNo">065</span> */<a name="line.65"></a> |
| <span class="sourceLineNo">066</span> void setThreshold(Level level);<a name="line.66"></a> |
| <span class="sourceLineNo">067</span><a name="line.67"></a> |
| <span class="sourceLineNo">068</span> /**<a name="line.68"></a> |
| <span class="sourceLineNo">069</span> * Another form of {@link #setThreshold(Level)} accepting a string<a name="line.69"></a> |
| <span class="sourceLineNo">070</span> * parameter instead of a <code>Level</code>.<a name="line.70"></a> |
| <span class="sourceLineNo">071</span> *<a name="line.71"></a> |
| <span class="sourceLineNo">072</span> * @param val The threshold value<a name="line.72"></a> |
| <span class="sourceLineNo">073</span> */<a name="line.73"></a> |
| <span class="sourceLineNo">074</span> void setThreshold(String val);<a name="line.74"></a> |
| <span class="sourceLineNo">075</span><a name="line.75"></a> |
| <span class="sourceLineNo">076</span> void emitNoAppenderWarning(Category cat);<a name="line.76"></a> |
| <span class="sourceLineNo">077</span><a name="line.77"></a> |
| <span class="sourceLineNo">078</span> /**<a name="line.78"></a> |
| <span class="sourceLineNo">079</span> * Get the repository-wide threshold. See {@link #setThreshold(Level)} for an explanation.<a name="line.79"></a> |
| <span class="sourceLineNo">080</span> *<a name="line.80"></a> |
| <span class="sourceLineNo">081</span> * @return the level.<a name="line.81"></a> |
| <span class="sourceLineNo">082</span> */<a name="line.82"></a> |
| <span class="sourceLineNo">083</span> Level getThreshold();<a name="line.83"></a> |
| <span class="sourceLineNo">084</span><a name="line.84"></a> |
| <span class="sourceLineNo">085</span> Logger getLogger(String name);<a name="line.85"></a> |
| <span class="sourceLineNo">086</span><a name="line.86"></a> |
| <span class="sourceLineNo">087</span> Logger getLogger(String name, LoggerFactory factory);<a name="line.87"></a> |
| <span class="sourceLineNo">088</span><a name="line.88"></a> |
| <span class="sourceLineNo">089</span> Logger getRootLogger();<a name="line.89"></a> |
| <span class="sourceLineNo">090</span><a name="line.90"></a> |
| <span class="sourceLineNo">091</span> Logger exists(String name);<a name="line.91"></a> |
| <span class="sourceLineNo">092</span><a name="line.92"></a> |
| <span class="sourceLineNo">093</span> void shutdown();<a name="line.93"></a> |
| <span class="sourceLineNo">094</span><a name="line.94"></a> |
| <span class="sourceLineNo">095</span> @SuppressWarnings("rawtypes")<a name="line.95"></a> |
| <span class="sourceLineNo">096</span> Enumeration getCurrentLoggers();<a name="line.96"></a> |
| <span class="sourceLineNo">097</span><a name="line.97"></a> |
| <span class="sourceLineNo">098</span> /**<a name="line.98"></a> |
| <span class="sourceLineNo">099</span> * Deprecated. Please use {@link #getCurrentLoggers} instead.<a name="line.99"></a> |
| <span class="sourceLineNo">100</span> *<a name="line.100"></a> |
| <span class="sourceLineNo">101</span> * @return an enumeration of loggers.<a name="line.101"></a> |
| <span class="sourceLineNo">102</span> */<a name="line.102"></a> |
| <span class="sourceLineNo">103</span> @SuppressWarnings("rawtypes")<a name="line.103"></a> |
| <span class="sourceLineNo">104</span> Enumeration getCurrentCategories();<a name="line.104"></a> |
| <span class="sourceLineNo">105</span><a name="line.105"></a> |
| <span class="sourceLineNo">106</span> void fireAddAppenderEvent(Category logger, Appender appender);<a name="line.106"></a> |
| <span class="sourceLineNo">107</span><a name="line.107"></a> |
| <span class="sourceLineNo">108</span> void resetConfiguration();<a name="line.108"></a> |
| <span class="sourceLineNo">109</span>}<a name="line.109"></a> |
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| </pre> |
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