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| <pre><span class="sourceLineNo">001</span><a name="line.1">/*</a> |
| <span class="sourceLineNo">002</span><a name="line.2"> * Licensed to the Apache Software Foundation (ASF) under one or more</a> |
| <span class="sourceLineNo">003</span><a name="line.3"> * contributor license agreements. See the NOTICE file distributed with</a> |
| <span class="sourceLineNo">004</span><a name="line.4"> * this work for additional information regarding copyright ownership.</a> |
| <span class="sourceLineNo">005</span><a name="line.5"> * The ASF licenses this file to You under the Apache license, Version 2.0</a> |
| <span class="sourceLineNo">006</span><a name="line.6"> * (the "License"); you may not use this file except in compliance with</a> |
| <span class="sourceLineNo">007</span><a name="line.7"> * the License. You may obtain a copy of the License at</a> |
| <span class="sourceLineNo">008</span><a name="line.8"> *</a> |
| <span class="sourceLineNo">009</span><a name="line.9"> * http://www.apache.org/licenses/LICENSE-2.0</a> |
| <span class="sourceLineNo">010</span><a name="line.10"> *</a> |
| <span class="sourceLineNo">011</span><a name="line.11"> * Unless required by applicable law or agreed to in writing, software</a> |
| <span class="sourceLineNo">012</span><a name="line.12"> * distributed under the License is distributed on an "AS IS" BASIS,</a> |
| <span class="sourceLineNo">013</span><a name="line.13"> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</a> |
| <span class="sourceLineNo">014</span><a name="line.14"> * See the license for the specific language governing permissions and</a> |
| <span class="sourceLineNo">015</span><a name="line.15"> * limitations under the license.</a> |
| <span class="sourceLineNo">016</span><a name="line.16"> */</a> |
| <span class="sourceLineNo">017</span><a name="line.17">package org.apache.logging.log4j.spring.cloud.config.client;</a> |
| <span class="sourceLineNo">018</span><a name="line.18"></a> |
| <span class="sourceLineNo">019</span><a name="line.19">import org.apache.logging.log4j.util.PropertySource;</a> |
| <span class="sourceLineNo">020</span><a name="line.20">import org.springframework.core.env.Environment;</a> |
| <span class="sourceLineNo">021</span><a name="line.21"></a> |
| <span class="sourceLineNo">022</span><a name="line.22">/**</a> |
| <span class="sourceLineNo">023</span><a name="line.23"> * Returns properties from Spring.</a> |
| <span class="sourceLineNo">024</span><a name="line.24"> */</a> |
| <span class="sourceLineNo">025</span><a name="line.25">public class SpringPropertySource extends SpringEnvironmentHolder implements PropertySource {</a> |
| <span class="sourceLineNo">026</span><a name="line.26"></a> |
| <span class="sourceLineNo">027</span><a name="line.27"> /**</a> |
| <span class="sourceLineNo">028</span><a name="line.28"> * System properties take precendence followed by properties in Log4j properties files. Spring properties</a> |
| <span class="sourceLineNo">029</span><a name="line.29"> * follow.</a> |
| <span class="sourceLineNo">030</span><a name="line.30"> * @return This PropertySource's priority.</a> |
| <span class="sourceLineNo">031</span><a name="line.31"> */</a> |
| <span class="sourceLineNo">032</span><a name="line.32"> @Override</a> |
| <span class="sourceLineNo">033</span><a name="line.33"> public int getPriority() {</a> |
| <span class="sourceLineNo">034</span><a name="line.34"> return -50;</a> |
| <span class="sourceLineNo">035</span><a name="line.35"> }</a> |
| <span class="sourceLineNo">036</span><a name="line.36"></a> |
| <span class="sourceLineNo">037</span><a name="line.37"> @Override</a> |
| <span class="sourceLineNo">038</span><a name="line.38"> public String getProperty(String key) {</a> |
| <span class="sourceLineNo">039</span><a name="line.39"> Environment environment = getEnvironment();</a> |
| <span class="sourceLineNo">040</span><a name="line.40"> if (environment != null) {</a> |
| <span class="sourceLineNo">041</span><a name="line.41"> return environment.getProperty(key);</a> |
| <span class="sourceLineNo">042</span><a name="line.42"> }</a> |
| <span class="sourceLineNo">043</span><a name="line.43"> return null;</a> |
| <span class="sourceLineNo">044</span><a name="line.44"> }</a> |
| <span class="sourceLineNo">045</span><a name="line.45"></a> |
| <span class="sourceLineNo">046</span><a name="line.46"> @Override</a> |
| <span class="sourceLineNo">047</span><a name="line.47"> public boolean containsProperty(String key) {</a> |
| <span class="sourceLineNo">048</span><a name="line.48"> Environment environment = getEnvironment();</a> |
| <span class="sourceLineNo">049</span><a name="line.49"> if (environment != null) {</a> |
| <span class="sourceLineNo">050</span><a name="line.50"> return environment.containsProperty(key);</a> |
| <span class="sourceLineNo">051</span><a name="line.51"> }</a> |
| <span class="sourceLineNo">052</span><a name="line.52"> return false;</a> |
| <span class="sourceLineNo">053</span><a name="line.53"> }</a> |
| <span class="sourceLineNo">054</span><a name="line.54">}</a> |
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