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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><a name="line.17"></a> |
| <span class="sourceLineNo">018</span>package org.apache.logging.log4j.core.config;<a name="line.18"></a> |
| <span class="sourceLineNo">019</span><a name="line.19"></a> |
| <span class="sourceLineNo">020</span>import java.io.ByteArrayInputStream;<a name="line.20"></a> |
| <span class="sourceLineNo">021</span>import java.io.ByteArrayOutputStream;<a name="line.21"></a> |
| <span class="sourceLineNo">022</span>import java.io.File;<a name="line.22"></a> |
| <span class="sourceLineNo">023</span>import java.io.FileInputStream;<a name="line.23"></a> |
| <span class="sourceLineNo">024</span>import java.io.FileNotFoundException;<a name="line.24"></a> |
| <span class="sourceLineNo">025</span>import java.io.IOException;<a name="line.25"></a> |
| <span class="sourceLineNo">026</span>import java.io.InputStream;<a name="line.26"></a> |
| <span class="sourceLineNo">027</span>import java.net.MalformedURLException;<a name="line.27"></a> |
| <span class="sourceLineNo">028</span>import java.net.URI;<a name="line.28"></a> |
| <span class="sourceLineNo">029</span>import java.net.URISyntaxException;<a name="line.29"></a> |
| <span class="sourceLineNo">030</span>import java.net.URL;<a name="line.30"></a> |
| <span class="sourceLineNo">031</span>import java.net.URLConnection;<a name="line.31"></a> |
| <span class="sourceLineNo">032</span>import java.util.Objects;<a name="line.32"></a> |
| <span class="sourceLineNo">033</span><a name="line.33"></a> |
| <span class="sourceLineNo">034</span>import org.apache.logging.log4j.Level;<a name="line.34"></a> |
| <span class="sourceLineNo">035</span>import org.apache.logging.log4j.core.net.UrlConnectionFactory;<a name="line.35"></a> |
| <span class="sourceLineNo">036</span>import org.apache.logging.log4j.core.util.FileUtils;<a name="line.36"></a> |
| <span class="sourceLineNo">037</span>import org.apache.logging.log4j.core.util.Loader;<a name="line.37"></a> |
| <span class="sourceLineNo">038</span>import org.apache.logging.log4j.core.util.Source;<a name="line.38"></a> |
| <span class="sourceLineNo">039</span>import org.apache.logging.log4j.util.LoaderUtil;<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> * Represents the source for the logging configuration.<a name="line.42"></a> |
| <span class="sourceLineNo">043</span> */<a name="line.43"></a> |
| <span class="sourceLineNo">044</span>public class ConfigurationSource {<a name="line.44"></a> |
| <span class="sourceLineNo">045</span><a name="line.45"></a> |
| <span class="sourceLineNo">046</span> /**<a name="line.46"></a> |
| <span class="sourceLineNo">047</span> * ConfigurationSource to use with Configurations that do not require a "real" configuration source.<a name="line.47"></a> |
| <span class="sourceLineNo">048</span> */<a name="line.48"></a> |
| <span class="sourceLineNo">049</span> public static final ConfigurationSource NULL_SOURCE = new ConfigurationSource(new byte[0], null, 0);<a name="line.49"></a> |
| <span class="sourceLineNo">050</span> /**<a name="line.50"></a> |
| <span class="sourceLineNo">051</span> * ConfigurationSource to use with {@link org.apache.logging.log4j.core.config.composite.CompositeConfiguration}.<a name="line.51"></a> |
| <span class="sourceLineNo">052</span> */<a name="line.52"></a> |
| <span class="sourceLineNo">053</span> public static final ConfigurationSource COMPOSITE_SOURCE = new ConfigurationSource(new byte[0], null, 0);<a name="line.53"></a> |
| <span class="sourceLineNo">054</span> private static final String HTTPS = "https";<a name="line.54"></a> |
| <span class="sourceLineNo">055</span> private static final String HTTP = "http";<a name="line.55"></a> |
| <span class="sourceLineNo">056</span><a name="line.56"></a> |
| <span class="sourceLineNo">057</span> private final File file;<a name="line.57"></a> |
| <span class="sourceLineNo">058</span> private final URL url;<a name="line.58"></a> |
| <span class="sourceLineNo">059</span> private final String location;<a name="line.59"></a> |
| <span class="sourceLineNo">060</span> private final InputStream stream;<a name="line.60"></a> |
| <span class="sourceLineNo">061</span> private volatile byte[] data;<a name="line.61"></a> |
| <span class="sourceLineNo">062</span> private volatile Source source = null;<a name="line.62"></a> |
| <span class="sourceLineNo">063</span> private final long lastModified;<a name="line.63"></a> |
| <span class="sourceLineNo">064</span> // Set when the configuration has been updated so reset can use it for the next lastModified timestamp.<a name="line.64"></a> |
| <span class="sourceLineNo">065</span> private volatile long modifiedMillis;<a name="line.65"></a> |
| <span class="sourceLineNo">066</span><a name="line.66"></a> |
| <span class="sourceLineNo">067</span> /**<a name="line.67"></a> |
| <span class="sourceLineNo">068</span> * Constructs a new {@code ConfigurationSource} with the specified input stream that originated from the specified<a name="line.68"></a> |
| <span class="sourceLineNo">069</span> * file.<a name="line.69"></a> |
| <span class="sourceLineNo">070</span> *<a name="line.70"></a> |
| <span class="sourceLineNo">071</span> * @param stream the input stream<a name="line.71"></a> |
| <span class="sourceLineNo">072</span> * @param file the file where the input stream originated<a name="line.72"></a> |
| <span class="sourceLineNo">073</span> */<a name="line.73"></a> |
| <span class="sourceLineNo">074</span> public ConfigurationSource(final InputStream stream, final File file) {<a name="line.74"></a> |
| <span class="sourceLineNo">075</span> this.stream = Objects.requireNonNull(stream, "stream is null");<a name="line.75"></a> |
| <span class="sourceLineNo">076</span> this.file = Objects.requireNonNull(file, "file is null");<a name="line.76"></a> |
| <span class="sourceLineNo">077</span> this.location = file.getAbsolutePath();<a name="line.77"></a> |
| <span class="sourceLineNo">078</span> this.url = null;<a name="line.78"></a> |
| <span class="sourceLineNo">079</span> this.data = null;<a name="line.79"></a> |
| <span class="sourceLineNo">080</span> long modified = 0;<a name="line.80"></a> |
| <span class="sourceLineNo">081</span> try {<a name="line.81"></a> |
| <span class="sourceLineNo">082</span> modified = file.lastModified();<a name="line.82"></a> |
| <span class="sourceLineNo">083</span> } catch (Exception ex) {<a name="line.83"></a> |
| <span class="sourceLineNo">084</span> // There is a problem with the file. It will be handled somewhere else.<a name="line.84"></a> |
| <span class="sourceLineNo">085</span> }<a name="line.85"></a> |
| <span class="sourceLineNo">086</span> this.lastModified = modified;<a name="line.86"></a> |
| <span class="sourceLineNo">087</span> }<a name="line.87"></a> |
| <span class="sourceLineNo">088</span><a name="line.88"></a> |
| <span class="sourceLineNo">089</span> /**<a name="line.89"></a> |
| <span class="sourceLineNo">090</span> * Constructs a new {@code ConfigurationSource} with the specified input stream that originated from the specified<a name="line.90"></a> |
| <span class="sourceLineNo">091</span> * url.<a name="line.91"></a> |
| <span class="sourceLineNo">092</span> *<a name="line.92"></a> |
| <span class="sourceLineNo">093</span> * @param stream the input stream<a name="line.93"></a> |
| <span class="sourceLineNo">094</span> * @param url the URL where the input stream originated<a name="line.94"></a> |
| <span class="sourceLineNo">095</span> */<a name="line.95"></a> |
| <span class="sourceLineNo">096</span> public ConfigurationSource(final InputStream stream, final URL url) {<a name="line.96"></a> |
| <span class="sourceLineNo">097</span> this.stream = Objects.requireNonNull(stream, "stream is null");<a name="line.97"></a> |
| <span class="sourceLineNo">098</span> this.url = Objects.requireNonNull(url, "URL is null");<a name="line.98"></a> |
| <span class="sourceLineNo">099</span> this.location = url.toString();<a name="line.99"></a> |
| <span class="sourceLineNo">100</span> this.file = null;<a name="line.100"></a> |
| <span class="sourceLineNo">101</span> this.data = null;<a name="line.101"></a> |
| <span class="sourceLineNo">102</span> this.lastModified = 0;<a name="line.102"></a> |
| <span class="sourceLineNo">103</span> }<a name="line.103"></a> |
| <span class="sourceLineNo">104</span><a name="line.104"></a> |
| <span class="sourceLineNo">105</span> /**<a name="line.105"></a> |
| <span class="sourceLineNo">106</span> * Constructs a new {@code ConfigurationSource} with the specified input stream that originated from the specified<a name="line.106"></a> |
| <span class="sourceLineNo">107</span> * url.<a name="line.107"></a> |
| <span class="sourceLineNo">108</span> *<a name="line.108"></a> |
| <span class="sourceLineNo">109</span> * @param stream the input stream<a name="line.109"></a> |
| <span class="sourceLineNo">110</span> * @param url the URL where the input stream originated<a name="line.110"></a> |
| <span class="sourceLineNo">111</span> * @param lastModified when the source was last modified.<a name="line.111"></a> |
| <span class="sourceLineNo">112</span> */<a name="line.112"></a> |
| <span class="sourceLineNo">113</span> public ConfigurationSource(final InputStream stream, final URL url, long lastModified) {<a name="line.113"></a> |
| <span class="sourceLineNo">114</span> this.stream = Objects.requireNonNull(stream, "stream is null");<a name="line.114"></a> |
| <span class="sourceLineNo">115</span> this.url = Objects.requireNonNull(url, "URL is null");<a name="line.115"></a> |
| <span class="sourceLineNo">116</span> this.location = url.toString();<a name="line.116"></a> |
| <span class="sourceLineNo">117</span> this.file = null;<a name="line.117"></a> |
| <span class="sourceLineNo">118</span> this.data = null;<a name="line.118"></a> |
| <span class="sourceLineNo">119</span> this.lastModified = lastModified;<a name="line.119"></a> |
| <span class="sourceLineNo">120</span> }<a name="line.120"></a> |
| <span class="sourceLineNo">121</span><a name="line.121"></a> |
| <span class="sourceLineNo">122</span> /**<a name="line.122"></a> |
| <span class="sourceLineNo">123</span> * Constructs a new {@code ConfigurationSource} with the specified input stream. Since the stream is the only source<a name="line.123"></a> |
| <span class="sourceLineNo">124</span> * of data, this constructor makes a copy of the stream contents.<a name="line.124"></a> |
| <span class="sourceLineNo">125</span> *<a name="line.125"></a> |
| <span class="sourceLineNo">126</span> * @param stream the input stream<a name="line.126"></a> |
| <span class="sourceLineNo">127</span> * @throws IOException if an exception occurred reading from the specified stream<a name="line.127"></a> |
| <span class="sourceLineNo">128</span> */<a name="line.128"></a> |
| <span class="sourceLineNo">129</span> public ConfigurationSource(final InputStream stream) throws IOException {<a name="line.129"></a> |
| <span class="sourceLineNo">130</span> this(toByteArray(stream), null, 0);<a name="line.130"></a> |
| <span class="sourceLineNo">131</span> }<a name="line.131"></a> |
| <span class="sourceLineNo">132</span><a name="line.132"></a> |
| <span class="sourceLineNo">133</span> public ConfigurationSource(final Source source, final byte[] data, long lastModified) throws IOException {<a name="line.133"></a> |
| <span class="sourceLineNo">134</span> Objects.requireNonNull(source, "source is null");<a name="line.134"></a> |
| <span class="sourceLineNo">135</span> this.data = Objects.requireNonNull(data, "data is null");<a name="line.135"></a> |
| <span class="sourceLineNo">136</span> this.stream = new ByteArrayInputStream(data);<a name="line.136"></a> |
| <span class="sourceLineNo">137</span> this.file = source.getFile();<a name="line.137"></a> |
| <span class="sourceLineNo">138</span> this.url = source.getURI().toURL();<a name="line.138"></a> |
| <span class="sourceLineNo">139</span> this.location = source.getLocation();<a name="line.139"></a> |
| <span class="sourceLineNo">140</span> this.lastModified = lastModified;<a name="line.140"></a> |
| <span class="sourceLineNo">141</span> }<a name="line.141"></a> |
| <span class="sourceLineNo">142</span><a name="line.142"></a> |
| <span class="sourceLineNo">143</span> private ConfigurationSource(final byte[] data, final URL url, long lastModified) {<a name="line.143"></a> |
| <span class="sourceLineNo">144</span> Objects.requireNonNull(data, "data is null");<a name="line.144"></a> |
| <span class="sourceLineNo">145</span> this.stream = new ByteArrayInputStream(data);<a name="line.145"></a> |
| <span class="sourceLineNo">146</span> this.file = null;<a name="line.146"></a> |
| <span class="sourceLineNo">147</span> this.url = url;<a name="line.147"></a> |
| <span class="sourceLineNo">148</span> this.location = null;<a name="line.148"></a> |
| <span class="sourceLineNo">149</span> this.lastModified = lastModified;<a name="line.149"></a> |
| <span class="sourceLineNo">150</span> }<a name="line.150"></a> |
| <span class="sourceLineNo">151</span><a name="line.151"></a> |
| <span class="sourceLineNo">152</span> /**<a name="line.152"></a> |
| <span class="sourceLineNo">153</span> * Returns the contents of the specified {@code InputStream} as a byte array.<a name="line.153"></a> |
| <span class="sourceLineNo">154</span> *<a name="line.154"></a> |
| <span class="sourceLineNo">155</span> * @param inputStream the stream to read<a name="line.155"></a> |
| <span class="sourceLineNo">156</span> * @return the contents of the specified stream<a name="line.156"></a> |
| <span class="sourceLineNo">157</span> * @throws IOException if a problem occurred reading from the stream<a name="line.157"></a> |
| <span class="sourceLineNo">158</span> */<a name="line.158"></a> |
| <span class="sourceLineNo">159</span> private static byte[] toByteArray(final InputStream inputStream) throws IOException {<a name="line.159"></a> |
| <span class="sourceLineNo">160</span> final int buffSize = Math.max(4096, inputStream.available());<a name="line.160"></a> |
| <span class="sourceLineNo">161</span> final ByteArrayOutputStream contents = new ByteArrayOutputStream(buffSize);<a name="line.161"></a> |
| <span class="sourceLineNo">162</span> final byte[] buff = new byte[buffSize];<a name="line.162"></a> |
| <span class="sourceLineNo">163</span><a name="line.163"></a> |
| <span class="sourceLineNo">164</span> int length = inputStream.read(buff);<a name="line.164"></a> |
| <span class="sourceLineNo">165</span> while (length > 0) {<a name="line.165"></a> |
| <span class="sourceLineNo">166</span> contents.write(buff, 0, length);<a name="line.166"></a> |
| <span class="sourceLineNo">167</span> length = inputStream.read(buff);<a name="line.167"></a> |
| <span class="sourceLineNo">168</span> }<a name="line.168"></a> |
| <span class="sourceLineNo">169</span> return contents.toByteArray();<a name="line.169"></a> |
| <span class="sourceLineNo">170</span> }<a name="line.170"></a> |
| <span class="sourceLineNo">171</span><a name="line.171"></a> |
| <span class="sourceLineNo">172</span> /**<a name="line.172"></a> |
| <span class="sourceLineNo">173</span> * Returns the file configuration source, or {@code null} if this configuration source is based on an URL or has<a name="line.173"></a> |
| <span class="sourceLineNo">174</span> * neither a file nor an URL.<a name="line.174"></a> |
| <span class="sourceLineNo">175</span> *<a name="line.175"></a> |
| <span class="sourceLineNo">176</span> * @return the configuration source file, or {@code null}<a name="line.176"></a> |
| <span class="sourceLineNo">177</span> */<a name="line.177"></a> |
| <span class="sourceLineNo">178</span> public File getFile() {<a name="line.178"></a> |
| <span class="sourceLineNo">179</span> return file;<a name="line.179"></a> |
| <span class="sourceLineNo">180</span> }<a name="line.180"></a> |
| <span class="sourceLineNo">181</span><a name="line.181"></a> |
| <span class="sourceLineNo">182</span> /**<a name="line.182"></a> |
| <span class="sourceLineNo">183</span> * Returns the configuration source URL, or {@code null} if this configuration source is based on a file or has<a name="line.183"></a> |
| <span class="sourceLineNo">184</span> * neither a file nor an URL.<a name="line.184"></a> |
| <span class="sourceLineNo">185</span> *<a name="line.185"></a> |
| <span class="sourceLineNo">186</span> * @return the configuration source URL, or {@code null}<a name="line.186"></a> |
| <span class="sourceLineNo">187</span> */<a name="line.187"></a> |
| <span class="sourceLineNo">188</span> public URL getURL() {<a name="line.188"></a> |
| <span class="sourceLineNo">189</span> return url;<a name="line.189"></a> |
| <span class="sourceLineNo">190</span> }<a name="line.190"></a> |
| <span class="sourceLineNo">191</span><a name="line.191"></a> |
| <span class="sourceLineNo">192</span> public void setSource(Source source) {<a name="line.192"></a> |
| <span class="sourceLineNo">193</span> this.source = source;<a name="line.193"></a> |
| <span class="sourceLineNo">194</span> }<a name="line.194"></a> |
| <span class="sourceLineNo">195</span><a name="line.195"></a> |
| <span class="sourceLineNo">196</span> public void setData(byte[] data) {<a name="line.196"></a> |
| <span class="sourceLineNo">197</span> this.data = data;<a name="line.197"></a> |
| <span class="sourceLineNo">198</span> }<a name="line.198"></a> |
| <span class="sourceLineNo">199</span><a name="line.199"></a> |
| <span class="sourceLineNo">200</span> public void setModifiedMillis(long modifiedMillis) {<a name="line.200"></a> |
| <span class="sourceLineNo">201</span> this.modifiedMillis = modifiedMillis;<a name="line.201"></a> |
| <span class="sourceLineNo">202</span> }<a name="line.202"></a> |
| <span class="sourceLineNo">203</span><a name="line.203"></a> |
| <span class="sourceLineNo">204</span> /**<a name="line.204"></a> |
| <span class="sourceLineNo">205</span> * Returns a URI representing the configuration resource or null if it cannot be determined.<a name="line.205"></a> |
| <span class="sourceLineNo">206</span> * @return The URI.<a name="line.206"></a> |
| <span class="sourceLineNo">207</span> */<a name="line.207"></a> |
| <span class="sourceLineNo">208</span> public URI getURI() {<a name="line.208"></a> |
| <span class="sourceLineNo">209</span> URI sourceURI = null;<a name="line.209"></a> |
| <span class="sourceLineNo">210</span> if (url != null) {<a name="line.210"></a> |
| <span class="sourceLineNo">211</span> try {<a name="line.211"></a> |
| <span class="sourceLineNo">212</span> sourceURI = url.toURI();<a name="line.212"></a> |
| <span class="sourceLineNo">213</span> } catch (final URISyntaxException ex) {<a name="line.213"></a> |
| <span class="sourceLineNo">214</span> /* Ignore the exception */<a name="line.214"></a> |
| <span class="sourceLineNo">215</span> }<a name="line.215"></a> |
| <span class="sourceLineNo">216</span> }<a name="line.216"></a> |
| <span class="sourceLineNo">217</span> if (sourceURI == null && file != null) {<a name="line.217"></a> |
| <span class="sourceLineNo">218</span> sourceURI = file.toURI();<a name="line.218"></a> |
| <span class="sourceLineNo">219</span> }<a name="line.219"></a> |
| <span class="sourceLineNo">220</span> if (sourceURI == null && location != null) {<a name="line.220"></a> |
| <span class="sourceLineNo">221</span> try {<a name="line.221"></a> |
| <span class="sourceLineNo">222</span> sourceURI = new URI(location);<a name="line.222"></a> |
| <span class="sourceLineNo">223</span> } catch (final URISyntaxException ex) {<a name="line.223"></a> |
| <span class="sourceLineNo">224</span> // Assume the scheme was missing.<a name="line.224"></a> |
| <span class="sourceLineNo">225</span> try {<a name="line.225"></a> |
| <span class="sourceLineNo">226</span> sourceURI = new URI("file://" + location);<a name="line.226"></a> |
| <span class="sourceLineNo">227</span> } catch (final URISyntaxException uriEx) {<a name="line.227"></a> |
| <span class="sourceLineNo">228</span> /* Ignore the exception */<a name="line.228"></a> |
| <span class="sourceLineNo">229</span> }<a name="line.229"></a> |
| <span class="sourceLineNo">230</span> }<a name="line.230"></a> |
| <span class="sourceLineNo">231</span> }<a name="line.231"></a> |
| <span class="sourceLineNo">232</span> return sourceURI;<a name="line.232"></a> |
| <span class="sourceLineNo">233</span> }<a name="line.233"></a> |
| <span class="sourceLineNo">234</span><a name="line.234"></a> |
| <span class="sourceLineNo">235</span> /**<a name="line.235"></a> |
| <span class="sourceLineNo">236</span> * Returns the time the resource was last modified or 0 if it is not available.<a name="line.236"></a> |
| <span class="sourceLineNo">237</span> * @return the last modified time of the resource.<a name="line.237"></a> |
| <span class="sourceLineNo">238</span> */<a name="line.238"></a> |
| <span class="sourceLineNo">239</span> public long getLastModified() {<a name="line.239"></a> |
| <span class="sourceLineNo">240</span> return lastModified;<a name="line.240"></a> |
| <span class="sourceLineNo">241</span> }<a name="line.241"></a> |
| <span class="sourceLineNo">242</span><a name="line.242"></a> |
| <span class="sourceLineNo">243</span> /**<a name="line.243"></a> |
| <span class="sourceLineNo">244</span> * Returns a string describing the configuration source file or URL, or {@code null} if this configuration source<a name="line.244"></a> |
| <span class="sourceLineNo">245</span> * has neither a file nor an URL.<a name="line.245"></a> |
| <span class="sourceLineNo">246</span> *<a name="line.246"></a> |
| <span class="sourceLineNo">247</span> * @return a string describing the configuration source file or URL, or {@code null}<a name="line.247"></a> |
| <span class="sourceLineNo">248</span> */<a name="line.248"></a> |
| <span class="sourceLineNo">249</span> public String getLocation() {<a name="line.249"></a> |
| <span class="sourceLineNo">250</span> return location;<a name="line.250"></a> |
| <span class="sourceLineNo">251</span> }<a name="line.251"></a> |
| <span class="sourceLineNo">252</span><a name="line.252"></a> |
| <span class="sourceLineNo">253</span> /**<a name="line.253"></a> |
| <span class="sourceLineNo">254</span> * Returns the input stream that this configuration source was constructed with.<a name="line.254"></a> |
| <span class="sourceLineNo">255</span> *<a name="line.255"></a> |
| <span class="sourceLineNo">256</span> * @return the input stream that this configuration source was constructed with.<a name="line.256"></a> |
| <span class="sourceLineNo">257</span> */<a name="line.257"></a> |
| <span class="sourceLineNo">258</span> public InputStream getInputStream() {<a name="line.258"></a> |
| <span class="sourceLineNo">259</span> return stream;<a name="line.259"></a> |
| <span class="sourceLineNo">260</span> }<a name="line.260"></a> |
| <span class="sourceLineNo">261</span><a name="line.261"></a> |
| <span class="sourceLineNo">262</span> /**<a name="line.262"></a> |
| <span class="sourceLineNo">263</span> * Returns a new {@code ConfigurationSource} whose input stream is reset to the beginning.<a name="line.263"></a> |
| <span class="sourceLineNo">264</span> *<a name="line.264"></a> |
| <span class="sourceLineNo">265</span> * @return a new {@code ConfigurationSource}<a name="line.265"></a> |
| <span class="sourceLineNo">266</span> * @throws IOException if a problem occurred while opening the new input stream<a name="line.266"></a> |
| <span class="sourceLineNo">267</span> */<a name="line.267"></a> |
| <span class="sourceLineNo">268</span> public ConfigurationSource resetInputStream() throws IOException {<a name="line.268"></a> |
| <span class="sourceLineNo">269</span> if (source != null) {<a name="line.269"></a> |
| <span class="sourceLineNo">270</span> return new ConfigurationSource(source, data, this.lastModified);<a name="line.270"></a> |
| <span class="sourceLineNo">271</span> } else if (file != null) {<a name="line.271"></a> |
| <span class="sourceLineNo">272</span> return new ConfigurationSource(new FileInputStream(file), file);<a name="line.272"></a> |
| <span class="sourceLineNo">273</span> } else if (url != null && data != null) {<a name="line.273"></a> |
| <span class="sourceLineNo">274</span> // Creates a ConfigurationSource without accessing the URL since the data was provided.<a name="line.274"></a> |
| <span class="sourceLineNo">275</span> return new ConfigurationSource(data, url, modifiedMillis == 0 ? lastModified : modifiedMillis);<a name="line.275"></a> |
| <span class="sourceLineNo">276</span> } else if (url != null) {<a name="line.276"></a> |
| <span class="sourceLineNo">277</span> return fromUri(getURI());<a name="line.277"></a> |
| <span class="sourceLineNo">278</span> } else if (data != null) {<a name="line.278"></a> |
| <span class="sourceLineNo">279</span> return new ConfigurationSource(data, null, lastModified);<a name="line.279"></a> |
| <span class="sourceLineNo">280</span> }<a name="line.280"></a> |
| <span class="sourceLineNo">281</span> return null;<a name="line.281"></a> |
| <span class="sourceLineNo">282</span> }<a name="line.282"></a> |
| <span class="sourceLineNo">283</span><a name="line.283"></a> |
| <span class="sourceLineNo">284</span> @Override<a name="line.284"></a> |
| <span class="sourceLineNo">285</span> public String toString() {<a name="line.285"></a> |
| <span class="sourceLineNo">286</span> if (location != null) {<a name="line.286"></a> |
| <span class="sourceLineNo">287</span> return location;<a name="line.287"></a> |
| <span class="sourceLineNo">288</span> }<a name="line.288"></a> |
| <span class="sourceLineNo">289</span> if (this == NULL_SOURCE) {<a name="line.289"></a> |
| <span class="sourceLineNo">290</span> return "NULL_SOURCE";<a name="line.290"></a> |
| <span class="sourceLineNo">291</span> }<a name="line.291"></a> |
| <span class="sourceLineNo">292</span> final int length = data == null ? -1 : data.length;<a name="line.292"></a> |
| <span class="sourceLineNo">293</span> return "stream (" + length + " bytes, unknown location)";<a name="line.293"></a> |
| <span class="sourceLineNo">294</span> }<a name="line.294"></a> |
| <span class="sourceLineNo">295</span><a name="line.295"></a> |
| <span class="sourceLineNo">296</span> /**<a name="line.296"></a> |
| <span class="sourceLineNo">297</span> * Loads the configuration from a URI.<a name="line.297"></a> |
| <span class="sourceLineNo">298</span> * @param configLocation A URI representing the location of the configuration.<a name="line.298"></a> |
| <span class="sourceLineNo">299</span> * @return The ConfigurationSource for the configuration.<a name="line.299"></a> |
| <span class="sourceLineNo">300</span> */<a name="line.300"></a> |
| <span class="sourceLineNo">301</span> public static ConfigurationSource fromUri(final URI configLocation) {<a name="line.301"></a> |
| <span class="sourceLineNo">302</span> final File configFile = FileUtils.fileFromUri(configLocation);<a name="line.302"></a> |
| <span class="sourceLineNo">303</span> if (configFile != null && configFile.exists() && configFile.canRead()) {<a name="line.303"></a> |
| <span class="sourceLineNo">304</span> try {<a name="line.304"></a> |
| <span class="sourceLineNo">305</span> return new ConfigurationSource(new FileInputStream(configFile), configFile);<a name="line.305"></a> |
| <span class="sourceLineNo">306</span> } catch (final FileNotFoundException ex) {<a name="line.306"></a> |
| <span class="sourceLineNo">307</span> ConfigurationFactory.LOGGER.error("Cannot locate file {}", configLocation.getPath(), ex);<a name="line.307"></a> |
| <span class="sourceLineNo">308</span> }<a name="line.308"></a> |
| <span class="sourceLineNo">309</span> }<a name="line.309"></a> |
| <span class="sourceLineNo">310</span> if (ConfigurationFactory.isClassLoaderUri(configLocation)) {<a name="line.310"></a> |
| <span class="sourceLineNo">311</span> final ClassLoader loader = LoaderUtil.getThreadContextClassLoader();<a name="line.311"></a> |
| <span class="sourceLineNo">312</span> final String path = ConfigurationFactory.extractClassLoaderUriPath(configLocation);<a name="line.312"></a> |
| <span class="sourceLineNo">313</span> final ConfigurationSource source = fromResource(path, loader);<a name="line.313"></a> |
| <span class="sourceLineNo">314</span> if (source != null) {<a name="line.314"></a> |
| <span class="sourceLineNo">315</span> return source;<a name="line.315"></a> |
| <span class="sourceLineNo">316</span> }<a name="line.316"></a> |
| <span class="sourceLineNo">317</span> }<a name="line.317"></a> |
| <span class="sourceLineNo">318</span> if (!configLocation.isAbsolute()) { // LOG4J2-704 avoid confusing error message thrown by uri.toURL()<a name="line.318"></a> |
| <span class="sourceLineNo">319</span> ConfigurationFactory.LOGGER.error("File not found in file system or classpath: {}", configLocation.toString());<a name="line.319"></a> |
| <span class="sourceLineNo">320</span> return null;<a name="line.320"></a> |
| <span class="sourceLineNo">321</span> }<a name="line.321"></a> |
| <span class="sourceLineNo">322</span> try {<a name="line.322"></a> |
| <span class="sourceLineNo">323</span> URL url = configLocation.toURL();<a name="line.323"></a> |
| <span class="sourceLineNo">324</span> URLConnection urlConnection = UrlConnectionFactory.createConnection(url);<a name="line.324"></a> |
| <span class="sourceLineNo">325</span> InputStream is = urlConnection.getInputStream();<a name="line.325"></a> |
| <span class="sourceLineNo">326</span> long lastModified = urlConnection.getLastModified();<a name="line.326"></a> |
| <span class="sourceLineNo">327</span> return new ConfigurationSource(is, configLocation.toURL(), lastModified);<a name="line.327"></a> |
| <span class="sourceLineNo">328</span> } catch (final MalformedURLException ex) {<a name="line.328"></a> |
| <span class="sourceLineNo">329</span> ConfigurationFactory.LOGGER.error("Invalid URL {}", configLocation.toString(), ex);<a name="line.329"></a> |
| <span class="sourceLineNo">330</span> } catch (final Exception ex) {<a name="line.330"></a> |
| <span class="sourceLineNo">331</span> ConfigurationFactory.LOGGER.error("Unable to access {}", configLocation.toString(), ex);<a name="line.331"></a> |
| <span class="sourceLineNo">332</span> }<a name="line.332"></a> |
| <span class="sourceLineNo">333</span> return null;<a name="line.333"></a> |
| <span class="sourceLineNo">334</span> }<a name="line.334"></a> |
| <span class="sourceLineNo">335</span><a name="line.335"></a> |
| <span class="sourceLineNo">336</span> /**<a name="line.336"></a> |
| <span class="sourceLineNo">337</span> * Retrieves the configuration via the ClassLoader.<a name="line.337"></a> |
| <span class="sourceLineNo">338</span> * @param resource The resource to load.<a name="line.338"></a> |
| <span class="sourceLineNo">339</span> * @param loader The default ClassLoader to use.<a name="line.339"></a> |
| <span class="sourceLineNo">340</span> * @return The ConfigurationSource for the configuration.<a name="line.340"></a> |
| <span class="sourceLineNo">341</span> */<a name="line.341"></a> |
| <span class="sourceLineNo">342</span> public static ConfigurationSource fromResource(final String resource, final ClassLoader loader) {<a name="line.342"></a> |
| <span class="sourceLineNo">343</span> final URL url = Loader.getResource(resource, loader);<a name="line.343"></a> |
| <span class="sourceLineNo">344</span> if (url == null) {<a name="line.344"></a> |
| <span class="sourceLineNo">345</span> return null;<a name="line.345"></a> |
| <span class="sourceLineNo">346</span> }<a name="line.346"></a> |
| <span class="sourceLineNo">347</span> InputStream is = null;<a name="line.347"></a> |
| <span class="sourceLineNo">348</span> try {<a name="line.348"></a> |
| <span class="sourceLineNo">349</span> is = url.openStream();<a name="line.349"></a> |
| <span class="sourceLineNo">350</span> } catch (final IOException ioe) {<a name="line.350"></a> |
| <span class="sourceLineNo">351</span> ConfigurationFactory.LOGGER.catching(Level.DEBUG, ioe);<a name="line.351"></a> |
| <span class="sourceLineNo">352</span> return null;<a name="line.352"></a> |
| <span class="sourceLineNo">353</span> }<a name="line.353"></a> |
| <span class="sourceLineNo">354</span> if (is == null) {<a name="line.354"></a> |
| <span class="sourceLineNo">355</span> return null;<a name="line.355"></a> |
| <span class="sourceLineNo">356</span> }<a name="line.356"></a> |
| <span class="sourceLineNo">357</span><a name="line.357"></a> |
| <span class="sourceLineNo">358</span> if (FileUtils.isFile(url)) {<a name="line.358"></a> |
| <span class="sourceLineNo">359</span> try {<a name="line.359"></a> |
| <span class="sourceLineNo">360</span> return new ConfigurationSource(is, FileUtils.fileFromUri(url.toURI()));<a name="line.360"></a> |
| <span class="sourceLineNo">361</span> } catch (final URISyntaxException ex) {<a name="line.361"></a> |
| <span class="sourceLineNo">362</span> // Just ignore the exception.<a name="line.362"></a> |
| <span class="sourceLineNo">363</span> ConfigurationFactory.LOGGER.catching(Level.DEBUG, ex);<a name="line.363"></a> |
| <span class="sourceLineNo">364</span> }<a name="line.364"></a> |
| <span class="sourceLineNo">365</span> }<a name="line.365"></a> |
| <span class="sourceLineNo">366</span> return new ConfigurationSource(is, url);<a name="line.366"></a> |
| <span class="sourceLineNo">367</span> }<a name="line.367"></a> |
| <span class="sourceLineNo">368</span>}<a name="line.368"></a> |
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| </div> |
| </body> |
| </html> |
