Modified: websites/production/commons/content/proper/commons-daemon/apidocs/src-html/org/apache/commons/daemon/support/DaemonConfiguration.html ============================================================================== --- websites/production/commons/content/proper/commons-daemon/apidocs/src-html/org/apache/commons/daemon/support/DaemonConfiguration.html (original) +++ websites/production/commons/content/proper/commons-daemon/apidocs/src-html/org/apache/commons/daemon/support/DaemonConfiguration.html Fri May 12 13:32:29 2023 @@ -1,209 +1,207 @@ -<!DOCTYPE HTML> +<!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> -<main role="main"> <div class="sourceContainer"> -<pre><span class="sourceLineNo">001</span><a id="line.1">/*</a> -<span class="sourceLineNo">002</span><a id="line.2"> * Licensed to the Apache Software Foundation (ASF) under one or more</a> -<span class="sourceLineNo">003</span><a id="line.3"> * contributor license agreements. See the NOTICE file distributed with</a> -<span class="sourceLineNo">004</span><a id="line.4"> * this work for additional information regarding copyright ownership.</a> -<span class="sourceLineNo">005</span><a id="line.5"> * The ASF licenses this file to You under the Apache License, Version 2.0</a> -<span class="sourceLineNo">006</span><a id="line.6"> * (the "License"); you may not use this file except in compliance with</a> -<span class="sourceLineNo">007</span><a id="line.7"> * the License. You may obtain a copy of the License at</a> -<span class="sourceLineNo">008</span><a id="line.8"> *</a> -<span class="sourceLineNo">009</span><a id="line.9"> * http://www.apache.org/licenses/LICENSE-2.0</a> -<span class="sourceLineNo">010</span><a id="line.10"> *</a> -<span class="sourceLineNo">011</span><a id="line.11"> * Unless required by applicable law or agreed to in writing, software</a> -<span class="sourceLineNo">012</span><a id="line.12"> * distributed under the License is distributed on an "AS IS" BASIS,</a> -<span class="sourceLineNo">013</span><a id="line.13"> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</a> -<span class="sourceLineNo">014</span><a id="line.14"> * See the License for the specific language governing permissions and</a> -<span class="sourceLineNo">015</span><a id="line.15"> * limitations under the License.</a> -<span class="sourceLineNo">016</span><a id="line.16"> */</a> -<span class="sourceLineNo">017</span><a id="line.17"></a> -<span class="sourceLineNo">018</span><a id="line.18">package org.apache.commons.daemon.support;</a> -<span class="sourceLineNo">019</span><a id="line.19"></a> -<span class="sourceLineNo">020</span><a id="line.20">import java.io.FileInputStream;</a> -<span class="sourceLineNo">021</span><a id="line.21">import java.io.IOException;</a> -<span class="sourceLineNo">022</span><a id="line.22">import java.io.InputStream;</a> -<span class="sourceLineNo">023</span><a id="line.23">import java.util.ArrayList;</a> -<span class="sourceLineNo">024</span><a id="line.24">import java.util.Properties;</a> -<span class="sourceLineNo">025</span><a id="line.25">import java.text.ParseException;</a> -<span class="sourceLineNo">026</span><a id="line.26"></a> -<span class="sourceLineNo">027</span><a id="line.27">/**</a> -<span class="sourceLineNo">028</span><a id="line.28"> * Used by jsvc for Daemon configuration.</a> -<span class="sourceLineNo">029</span><a id="line.29"> * <p></a> -<span class="sourceLineNo">030</span><a id="line.30"> * Configuration is read from properties file.</a> -<span class="sourceLineNo">031</span><a id="line.31"> * If no properties file is given the {@code daemon.properties}</a> -<span class="sourceLineNo">032</span><a id="line.32"> * is used from the current directory.</a> -<span class="sourceLineNo">033</span><a id="line.33"> * </p></a> -<span class="sourceLineNo">034</span><a id="line.34"> * <p></a> -<span class="sourceLineNo">035</span><a id="line.35"> * The properties file can have property values expanded at runtime</a> -<span class="sourceLineNo">036</span><a id="line.36"> * by using System properties or execution environment. The part</a> -<span class="sourceLineNo">037</span><a id="line.37"> * of the property value between {@code ${} and {@code }}</a> -<span class="sourceLineNo">038</span><a id="line.38"> * will be used as System property or environment key. If found then</a> -<span class="sourceLineNo">039</span><a id="line.39"> * the entire {@code ${foo}} will be replaced by the value of</a> -<span class="sourceLineNo">040</span><a id="line.40"> * either system property or environment variable named {@code foo}.</a> -<span class="sourceLineNo">041</span><a id="line.41"> * </p></a> -<span class="sourceLineNo">042</span><a id="line.42"> * <p></a> -<span class="sourceLineNo">043</span><a id="line.43"> * If no variable is found the {@code ${foo}} will be passed as is.</a> -<span class="sourceLineNo">044</span><a id="line.44"> * In case of {@code $${foo}} this will be unescaped and resulting</a> -<span class="sourceLineNo">045</span><a id="line.45"> * value will be {@code ${foo}}.</a> -<span class="sourceLineNo">046</span><a id="line.46"> * </p></a> -<span class="sourceLineNo">047</span><a id="line.47"> *</a> -<span class="sourceLineNo">048</span><a id="line.48"> */</a> -<span class="sourceLineNo">049</span><a id="line.49">public final class DaemonConfiguration</a> -<span class="sourceLineNo">050</span><a id="line.50">{</a> -<span class="sourceLineNo">051</span><a id="line.51"> /**</a> -<span class="sourceLineNo">052</span><a id="line.52"> * Default configuration file name.</a> -<span class="sourceLineNo">053</span><a id="line.53"> */</a> -<span class="sourceLineNo">054</span><a id="line.54"> protected final static String DEFAULT_CONFIG = "daemon.properties";</a> -<span class="sourceLineNo">055</span><a id="line.55"> /**</a> -<span class="sourceLineNo">056</span><a id="line.56"> * Property prefix</a> -<span class="sourceLineNo">057</span><a id="line.57"> */</a> -<span class="sourceLineNo">058</span><a id="line.58"> protected final static String PREFIX = "daemon.";</a> -<span class="sourceLineNo">059</span><a id="line.59"> private final static String BTOKEN = "${";</a> -<span class="sourceLineNo">060</span><a id="line.60"> private final static String ETOKEN = "}";</a> -<span class="sourceLineNo">061</span><a id="line.61"></a> -<span class="sourceLineNo">062</span><a id="line.62"></a> -<span class="sourceLineNo">063</span><a id="line.63"> private final Properties configurationProperties;</a> -<span class="sourceLineNo">064</span><a id="line.64"> private final Properties systemProperties;</a> -<span class="sourceLineNo">065</span><a id="line.65"></a> -<span class="sourceLineNo">066</span><a id="line.66"> /**</a> -<span class="sourceLineNo">067</span><a id="line.67"> * An empty immutable {@code String} array.</a> -<span class="sourceLineNo">068</span><a id="line.68"> */</a> -<span class="sourceLineNo">069</span><a id="line.69"> static final String[] EMPTY_STRING_ARRAY = {};</a> -<span class="sourceLineNo">070</span><a id="line.70"></a> -<span class="sourceLineNo">071</span><a id="line.71"> /**</a> -<span class="sourceLineNo">072</span><a id="line.72"> * Default constructor</a> -<span class="sourceLineNo">073</span><a id="line.73"> */</a> -<span class="sourceLineNo">074</span><a id="line.74"> public DaemonConfiguration()</a> -<span class="sourceLineNo">075</span><a id="line.75"> {</a> -<span class="sourceLineNo">076</span><a id="line.76"> configurationProperties = new Properties();</a> -<span class="sourceLineNo">077</span><a id="line.77"> systemProperties = System.getProperties();</a> -<span class="sourceLineNo">078</span><a id="line.78"> }</a> -<span class="sourceLineNo">079</span><a id="line.79"></a> -<span class="sourceLineNo">080</span><a id="line.80"> /**</a> -<span class="sourceLineNo">081</span><a id="line.81"> * Loads the configuration properties file.</a> -<span class="sourceLineNo">082</span><a id="line.82"> *</a> -<span class="sourceLineNo">083</span><a id="line.83"> * @param fileName The properties file to load.</a> -<span class="sourceLineNo">084</span><a id="line.84"> * @return {@code true} if the file was loaded.</a> -<span class="sourceLineNo">085</span><a id="line.85"> */</a> -<span class="sourceLineNo">086</span><a id="line.86"> public boolean load(String fileName)</a> -<span class="sourceLineNo">087</span><a id="line.87"> {</a> -<span class="sourceLineNo">088</span><a id="line.88"> if (fileName == null) {</a> -<span class="sourceLineNo">089</span><a id="line.89"> fileName = DEFAULT_CONFIG;</a> -<span class="sourceLineNo">090</span><a id="line.90"> }</a> -<span class="sourceLineNo">091</span><a id="line.91"> </a> -<span class="sourceLineNo">092</span><a id="line.92"> try (InputStream inputStream = new FileInputStream(fileName)) {</a> -<span class="sourceLineNo">093</span><a id="line.93"> configurationProperties.clear();</a> -<span class="sourceLineNo">094</span><a id="line.94"> configurationProperties.load(inputStream);</a> -<span class="sourceLineNo">095</span><a id="line.95"> return true;</a> -<span class="sourceLineNo">096</span><a id="line.96"> } catch (final IOException ex) {</a> -<span class="sourceLineNo">097</span><a id="line.97"> // Error reading properties file</a> -<span class="sourceLineNo">098</span><a id="line.98"> return false;</a> -<span class="sourceLineNo">099</span><a id="line.99"> }</a> -<span class="sourceLineNo">100</span><a id="line.100"> }</a> -<span class="sourceLineNo">101</span><a id="line.101"></a> -<span class="sourceLineNo">102</span><a id="line.102"> private String expandProperty(final String propValue)</a> -<span class="sourceLineNo">103</span><a id="line.103"> throws ParseException</a> -<span class="sourceLineNo">104</span><a id="line.104"> {</a> -<span class="sourceLineNo">105</span><a id="line.105"> final StringBuilder expanded;</a> -<span class="sourceLineNo">106</span><a id="line.106"> int btoken;</a> -<span class="sourceLineNo">107</span><a id="line.107"> int ctoken = 0;</a> -<span class="sourceLineNo">108</span><a id="line.108"></a> -<span class="sourceLineNo">109</span><a id="line.109"> if (propValue == null) {</a> -<span class="sourceLineNo">110</span><a id="line.110"> return null;</a> -<span class="sourceLineNo">111</span><a id="line.111"> }</a> -<span class="sourceLineNo">112</span><a id="line.112"> expanded = new StringBuilder();</a> -<span class="sourceLineNo">113</span><a id="line.113"> btoken = propValue.indexOf(BTOKEN);</a> -<span class="sourceLineNo">114</span><a id="line.114"> while (btoken != -1) {</a> -<span class="sourceLineNo">115</span><a id="line.115"> if (btoken > 0 && propValue.charAt(btoken - 1) == BTOKEN.charAt(0)) {</a> -<span class="sourceLineNo">116</span><a id="line.116"> // Skip and unquote.</a> -<span class="sourceLineNo">117</span><a id="line.117"> expanded.append(propValue.substring(ctoken, btoken));</a> -<span class="sourceLineNo">118</span><a id="line.118"> ctoken = btoken + 1;</a> -<span class="sourceLineNo">119</span><a id="line.119"> btoken = propValue.indexOf(BTOKEN, btoken + BTOKEN.length());</a> -<span class="sourceLineNo">120</span><a id="line.120"> continue;</a> -<span class="sourceLineNo">121</span><a id="line.121"> }</a> -<span class="sourceLineNo">122</span><a id="line.122"> final int etoken = propValue.indexOf(ETOKEN, btoken);</a> -<span class="sourceLineNo">123</span><a id="line.123"> if (etoken == -1) {</a> -<span class="sourceLineNo">124</span><a id="line.124"> // We have "${" without "}"</a> -<span class="sourceLineNo">125</span><a id="line.125"> throw new ParseException("Error while looking for teminating '" +</a> -<span class="sourceLineNo">126</span><a id="line.126"> ETOKEN + "'", btoken);</a> -<span class="sourceLineNo">127</span><a id="line.127"> }</a> -<span class="sourceLineNo">128</span><a id="line.128"> final String variable = propValue.substring(btoken + BTOKEN.length(), etoken);</a> -<span class="sourceLineNo">129</span><a id="line.129"> String sysvalue = systemProperties.getProperty(variable);</a> -<span class="sourceLineNo">130</span><a id="line.130"> if (sysvalue == null) {</a> -<span class="sourceLineNo">131</span><a id="line.131"> // Try with the environment if there was no</a> -<span class="sourceLineNo">132</span><a id="line.132"> // property by that name.</a> -<span class="sourceLineNo">133</span><a id="line.133"> sysvalue = System.getenv(variable);</a> -<span class="sourceLineNo">134</span><a id="line.134"> }</a> -<span class="sourceLineNo">135</span><a id="line.135"> if (sysvalue != null) {</a> -<span class="sourceLineNo">136</span><a id="line.136"> final String strtoken = propValue.substring(ctoken, btoken);</a> -<span class="sourceLineNo">137</span><a id="line.137"> expanded.append(strtoken);</a> -<span class="sourceLineNo">138</span><a id="line.138"> expanded.append(sysvalue);</a> -<span class="sourceLineNo">139</span><a id="line.139"> ctoken = etoken + ETOKEN.length();</a> -<span class="sourceLineNo">140</span><a id="line.140"> }</a> -<span class="sourceLineNo">141</span><a id="line.141"> btoken = propValue.indexOf(BTOKEN, etoken + ETOKEN.length());</a> -<span class="sourceLineNo">142</span><a id="line.142"> }</a> -<span class="sourceLineNo">143</span><a id="line.143"> // Add what's left.</a> -<span class="sourceLineNo">144</span><a id="line.144"> expanded.append(propValue.substring(ctoken));</a> -<span class="sourceLineNo">145</span><a id="line.145"> return expanded.toString();</a> -<span class="sourceLineNo">146</span><a id="line.146"> }</a> -<span class="sourceLineNo">147</span><a id="line.147"></a> -<span class="sourceLineNo">148</span><a id="line.148"> /**</a> -<span class="sourceLineNo">149</span><a id="line.149"> * Gets the configuration property.</a> -<span class="sourceLineNo">150</span><a id="line.150"> *</a> -<span class="sourceLineNo">151</span><a id="line.151"> * @param name The name of the property to get.</a> -<span class="sourceLineNo">152</span><a id="line.152"> *</a> -<span class="sourceLineNo">153</span><a id="line.153"> * @throws ParseException if the property is wrongly formatted.</a> -<span class="sourceLineNo">154</span><a id="line.154"> *</a> -<span class="sourceLineNo">155</span><a id="line.155"> * @return Configuration property including any expansion/replacement</a> -<span class="sourceLineNo">156</span><a id="line.156"> */</a> -<span class="sourceLineNo">157</span><a id="line.157"> public String getProperty(final String name)</a> -<span class="sourceLineNo">158</span><a id="line.158"> throws ParseException</a> -<span class="sourceLineNo">159</span><a id="line.159"> {</a> -<span class="sourceLineNo">160</span><a id="line.160"> if (name == null) {</a> -<span class="sourceLineNo">161</span><a id="line.161"> return null;</a> -<span class="sourceLineNo">162</span><a id="line.162"> }</a> -<span class="sourceLineNo">163</span><a id="line.163"> return expandProperty(configurationProperties.getProperty(PREFIX + name));</a> -<span class="sourceLineNo">164</span><a id="line.164"> }</a> -<span class="sourceLineNo">165</span><a id="line.165"></a> -<span class="sourceLineNo">166</span><a id="line.166"> /**</a> -<span class="sourceLineNo">167</span><a id="line.167"> * Gets the configuration property array.</a> -<span class="sourceLineNo">168</span><a id="line.168"> * <p></a> -<span class="sourceLineNo">169</span><a id="line.169"> * Property array is constructed form the list of properties</a> -<span class="sourceLineNo">170</span><a id="line.170"> * which end with {@code [index]}</a> -<span class="sourceLineNo">171</span><a id="line.171"> * </p></a> -<span class="sourceLineNo">172</span><a id="line.172"> * <pre></a> -<span class="sourceLineNo">173</span><a id="line.173"> * daemon.arg[0] = argument 1</a> -<span class="sourceLineNo">174</span><a id="line.174"> * daemon.arg[1] = argument 2</a> -<span class="sourceLineNo">175</span><a id="line.175"> * daemon.arg[2] = argument 3</a> -<span class="sourceLineNo">176</span><a id="line.176"> * </pre></a> -<span class="sourceLineNo">177</span><a id="line.177"> * @param name The name of the property array to get.</a> -<span class="sourceLineNo">178</span><a id="line.178"> *</a> -<span class="sourceLineNo">179</span><a id="line.179"> * @throws ParseException if the property is wrongly formatted.</a> -<span class="sourceLineNo">180</span><a id="line.180"> *</a> -<span class="sourceLineNo">181</span><a id="line.181"> * @return Configuration property array including any expansion/replacement</a> -<span class="sourceLineNo">182</span><a id="line.182"> */</a> -<span class="sourceLineNo">183</span><a id="line.183"> public String[] getPropertyArray(final String name)</a> -<span class="sourceLineNo">184</span><a id="line.184"> throws ParseException</a> -<span class="sourceLineNo">185</span><a id="line.185"> {</a> -<span class="sourceLineNo">186</span><a id="line.186"> final ArrayList<String> list = new ArrayList<>();</a> -<span class="sourceLineNo">187</span><a id="line.187"> String args;</a> -<span class="sourceLineNo">188</span><a id="line.188"></a> -<span class="sourceLineNo">189</span><a id="line.189"> // Load daemon.arg[0] ... daemon.arg[n] into the String array.</a> -<span class="sourceLineNo">190</span><a id="line.190"> //</a> -<span class="sourceLineNo">191</span><a id="line.191"> while ((args = getProperty(name + "[" + list.size() + "]")) != null) {</a> -<span class="sourceLineNo">192</span><a id="line.192"> list.add(args);</a> -<span class="sourceLineNo">193</span><a id="line.193"> }</a> -<span class="sourceLineNo">194</span><a id="line.194"> return list.toArray(EMPTY_STRING_ARRAY);</a> -<span class="sourceLineNo">195</span><a id="line.195"> }</a> -<span class="sourceLineNo">196</span><a id="line.196">}</a> -<span class="sourceLineNo">197</span><a id="line.197"></a> +<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.commons.daemon.support;<a name="line.18"></a> +<span class="sourceLineNo">019</span><a name="line.19"></a> +<span class="sourceLineNo">020</span>import java.io.FileInputStream;<a name="line.20"></a> +<span class="sourceLineNo">021</span>import java.io.IOException;<a name="line.21"></a> +<span class="sourceLineNo">022</span>import java.io.InputStream;<a name="line.22"></a> +<span class="sourceLineNo">023</span>import java.util.ArrayList;<a name="line.23"></a> +<span class="sourceLineNo">024</span>import java.util.Properties;<a name="line.24"></a> +<span class="sourceLineNo">025</span>import java.text.ParseException;<a name="line.25"></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> * Used by jsvc for Daemon configuration.<a name="line.28"></a> +<span class="sourceLineNo">029</span> * <p><a name="line.29"></a> +<span class="sourceLineNo">030</span> * Configuration is read from properties file.<a name="line.30"></a> +<span class="sourceLineNo">031</span> * If no properties file is given the {@code daemon.properties}<a name="line.31"></a> +<span class="sourceLineNo">032</span> * is used from the current directory.<a name="line.32"></a> +<span class="sourceLineNo">033</span> * </p><a name="line.33"></a> +<span class="sourceLineNo">034</span> * <p><a name="line.34"></a> +<span class="sourceLineNo">035</span> * The properties file can have property values expanded at runtime<a name="line.35"></a> +<span class="sourceLineNo">036</span> * by using System properties or execution environment. The part<a name="line.36"></a> +<span class="sourceLineNo">037</span> * of the property value between {@code ${} and {@code }}<a name="line.37"></a> +<span class="sourceLineNo">038</span> * will be used as System property or environment key. If found then<a name="line.38"></a> +<span class="sourceLineNo">039</span> * the entire {@code ${foo}} will be replaced by the value of<a name="line.39"></a> +<span class="sourceLineNo">040</span> * either system property or environment variable named {@code foo}.<a name="line.40"></a> +<span class="sourceLineNo">041</span> * </p><a name="line.41"></a> +<span class="sourceLineNo">042</span> * <p><a name="line.42"></a> +<span class="sourceLineNo">043</span> * If no variable is found the {@code ${foo}} will be passed as is.<a name="line.43"></a> +<span class="sourceLineNo">044</span> * In case of {@code $${foo}} this will be unescaped and resulting<a name="line.44"></a> +<span class="sourceLineNo">045</span> * value will be {@code ${foo}}.<a name="line.45"></a> +<span class="sourceLineNo">046</span> * </p><a name="line.46"></a> +<span class="sourceLineNo">047</span> */<a name="line.47"></a> +<span class="sourceLineNo">048</span>public final class DaemonConfiguration<a name="line.48"></a> +<span class="sourceLineNo">049</span>{<a name="line.49"></a> +<span class="sourceLineNo">050</span> /**<a name="line.50"></a> +<span class="sourceLineNo">051</span> * Default configuration file name.<a name="line.51"></a> +<span class="sourceLineNo">052</span> */<a name="line.52"></a> +<span class="sourceLineNo">053</span> protected final static String DEFAULT_CONFIG = "daemon.properties";<a name="line.53"></a> +<span class="sourceLineNo">054</span> /**<a name="line.54"></a> +<span class="sourceLineNo">055</span> * Property prefix<a name="line.55"></a> +<span class="sourceLineNo">056</span> */<a name="line.56"></a> +<span class="sourceLineNo">057</span> protected final static String PREFIX = "daemon.";<a name="line.57"></a> +<span class="sourceLineNo">058</span> private final static String BTOKEN = "${";<a name="line.58"></a> +<span class="sourceLineNo">059</span> private final static String ETOKEN = "}";<a name="line.59"></a> +<span class="sourceLineNo">060</span><a name="line.60"></a> +<span class="sourceLineNo">061</span><a name="line.61"></a> +<span class="sourceLineNo">062</span> private final Properties configurationProperties;<a name="line.62"></a> +<span class="sourceLineNo">063</span> private final Properties systemProperties;<a name="line.63"></a> +<span class="sourceLineNo">064</span><a name="line.64"></a> +<span class="sourceLineNo">065</span> /**<a name="line.65"></a> +<span class="sourceLineNo">066</span> * An empty immutable {@code String} array.<a name="line.66"></a> +<span class="sourceLineNo">067</span> */<a name="line.67"></a> +<span class="sourceLineNo">068</span> static final String[] EMPTY_STRING_ARRAY = {};<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> * Default constructor<a name="line.71"></a> +<span class="sourceLineNo">072</span> */<a name="line.72"></a> +<span class="sourceLineNo">073</span> public DaemonConfiguration()<a name="line.73"></a> +<span class="sourceLineNo">074</span> {<a name="line.74"></a> +<span class="sourceLineNo">075</span> configurationProperties = new Properties();<a name="line.75"></a> +<span class="sourceLineNo">076</span> systemProperties = System.getProperties();<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> /**<a name="line.79"></a> +<span class="sourceLineNo">080</span> * Loads the configuration properties file.<a name="line.80"></a> +<span class="sourceLineNo">081</span> *<a name="line.81"></a> +<span class="sourceLineNo">082</span> * @param fileName The properties file to load.<a name="line.82"></a> +<span class="sourceLineNo">083</span> * @return {@code true} if the file was loaded.<a name="line.83"></a> +<span class="sourceLineNo">084</span> */<a name="line.84"></a> +<span class="sourceLineNo">085</span> public boolean load(String fileName)<a name="line.85"></a> +<span class="sourceLineNo">086</span> {<a name="line.86"></a> +<span class="sourceLineNo">087</span> if (fileName == null) {<a name="line.87"></a> +<span class="sourceLineNo">088</span> fileName = DEFAULT_CONFIG;<a name="line.88"></a> +<span class="sourceLineNo">089</span> }<a name="line.89"></a> +<span class="sourceLineNo">090</span> <a name="line.90"></a> +<span class="sourceLineNo">091</span> try (InputStream inputStream = new FileInputStream(fileName)) {<a name="line.91"></a> +<span class="sourceLineNo">092</span> configurationProperties.clear();<a name="line.92"></a> +<span class="sourceLineNo">093</span> configurationProperties.load(inputStream);<a name="line.93"></a> +<span class="sourceLineNo">094</span> return true;<a name="line.94"></a> +<span class="sourceLineNo">095</span> } catch (final IOException ex) {<a name="line.95"></a> +<span class="sourceLineNo">096</span> // Error reading properties file<a name="line.96"></a> +<span class="sourceLineNo">097</span> return false;<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> +<span class="sourceLineNo">101</span> private String expandProperty(final String propValue)<a name="line.101"></a> +<span class="sourceLineNo">102</span> throws ParseException<a name="line.102"></a> +<span class="sourceLineNo">103</span> {<a name="line.103"></a> +<span class="sourceLineNo">104</span> final StringBuilder expanded;<a name="line.104"></a> +<span class="sourceLineNo">105</span> int btoken;<a name="line.105"></a> +<span class="sourceLineNo">106</span> int ctoken = 0;<a name="line.106"></a> +<span class="sourceLineNo">107</span><a name="line.107"></a> +<span class="sourceLineNo">108</span> if (propValue == null) {<a name="line.108"></a> +<span class="sourceLineNo">109</span> return null;<a name="line.109"></a> +<span class="sourceLineNo">110</span> }<a name="line.110"></a> +<span class="sourceLineNo">111</span> expanded = new StringBuilder();<a name="line.111"></a> +<span class="sourceLineNo">112</span> btoken = propValue.indexOf(BTOKEN);<a name="line.112"></a> +<span class="sourceLineNo">113</span> while (btoken != -1) {<a name="line.113"></a> +<span class="sourceLineNo">114</span> if (btoken > 0 && propValue.charAt(btoken - 1) == BTOKEN.charAt(0)) {<a name="line.114"></a> +<span class="sourceLineNo">115</span> // Skip and unquote.<a name="line.115"></a> +<span class="sourceLineNo">116</span> expanded.append(propValue.substring(ctoken, btoken));<a name="line.116"></a> +<span class="sourceLineNo">117</span> ctoken = btoken + 1;<a name="line.117"></a> +<span class="sourceLineNo">118</span> btoken = propValue.indexOf(BTOKEN, btoken + BTOKEN.length());<a name="line.118"></a> +<span class="sourceLineNo">119</span> continue;<a name="line.119"></a> +<span class="sourceLineNo">120</span> }<a name="line.120"></a> +<span class="sourceLineNo">121</span> final int etoken = propValue.indexOf(ETOKEN, btoken);<a name="line.121"></a> +<span class="sourceLineNo">122</span> if (etoken == -1) {<a name="line.122"></a> +<span class="sourceLineNo">123</span> // We have "${" without "}"<a name="line.123"></a> +<span class="sourceLineNo">124</span> throw new ParseException("Error while looking for teminating '" +<a name="line.124"></a> +<span class="sourceLineNo">125</span> ETOKEN + "'", btoken);<a name="line.125"></a> +<span class="sourceLineNo">126</span> }<a name="line.126"></a> +<span class="sourceLineNo">127</span> final String variable = propValue.substring(btoken + BTOKEN.length(), etoken);<a name="line.127"></a> +<span class="sourceLineNo">128</span> String sysvalue = systemProperties.getProperty(variable);<a name="line.128"></a> +<span class="sourceLineNo">129</span> if (sysvalue == null) {<a name="line.129"></a> +<span class="sourceLineNo">130</span> // Try with the environment if there was no<a name="line.130"></a> +<span class="sourceLineNo">131</span> // property by that name.<a name="line.131"></a> +<span class="sourceLineNo">132</span> sysvalue = System.getenv(variable);<a name="line.132"></a> +<span class="sourceLineNo">133</span> }<a name="line.133"></a> +<span class="sourceLineNo">134</span> if (sysvalue != null) {<a name="line.134"></a> +<span class="sourceLineNo">135</span> final String strtoken = propValue.substring(ctoken, btoken);<a name="line.135"></a> +<span class="sourceLineNo">136</span> expanded.append(strtoken);<a name="line.136"></a> +<span class="sourceLineNo">137</span> expanded.append(sysvalue);<a name="line.137"></a> +<span class="sourceLineNo">138</span> ctoken = etoken + ETOKEN.length();<a name="line.138"></a> +<span class="sourceLineNo">139</span> }<a name="line.139"></a> +<span class="sourceLineNo">140</span> btoken = propValue.indexOf(BTOKEN, etoken + ETOKEN.length());<a name="line.140"></a> +<span class="sourceLineNo">141</span> }<a name="line.141"></a> +<span class="sourceLineNo">142</span> // Add what's left.<a name="line.142"></a> +<span class="sourceLineNo">143</span> expanded.append(propValue.substring(ctoken));<a name="line.143"></a> +<span class="sourceLineNo">144</span> return expanded.toString();<a name="line.144"></a> +<span class="sourceLineNo">145</span> }<a name="line.145"></a> +<span class="sourceLineNo">146</span><a name="line.146"></a> +<span class="sourceLineNo">147</span> /**<a name="line.147"></a> +<span class="sourceLineNo">148</span> * Gets the configuration property.<a name="line.148"></a> +<span class="sourceLineNo">149</span> *<a name="line.149"></a> +<span class="sourceLineNo">150</span> * @param name The name of the property to get.<a name="line.150"></a> +<span class="sourceLineNo">151</span> *<a name="line.151"></a> +<span class="sourceLineNo">152</span> * @throws ParseException if the property is wrongly formatted.<a name="line.152"></a> +<span class="sourceLineNo">153</span> *<a name="line.153"></a> +<span class="sourceLineNo">154</span> * @return Configuration property including any expansion/replacement<a name="line.154"></a> +<span class="sourceLineNo">155</span> */<a name="line.155"></a> +<span class="sourceLineNo">156</span> public String getProperty(final String name)<a name="line.156"></a> +<span class="sourceLineNo">157</span> throws ParseException<a name="line.157"></a> +<span class="sourceLineNo">158</span> {<a name="line.158"></a> +<span class="sourceLineNo">159</span> if (name == null) {<a name="line.159"></a> +<span class="sourceLineNo">160</span> return null;<a name="line.160"></a> +<span class="sourceLineNo">161</span> }<a name="line.161"></a> +<span class="sourceLineNo">162</span> return expandProperty(configurationProperties.getProperty(PREFIX + name));<a name="line.162"></a> +<span class="sourceLineNo">163</span> }<a name="line.163"></a> +<span class="sourceLineNo">164</span><a name="line.164"></a> +<span class="sourceLineNo">165</span> /**<a name="line.165"></a> +<span class="sourceLineNo">166</span> * Gets the configuration property array.<a name="line.166"></a> +<span class="sourceLineNo">167</span> * <p><a name="line.167"></a> +<span class="sourceLineNo">168</span> * Property array is constructed form the list of properties<a name="line.168"></a> +<span class="sourceLineNo">169</span> * which end with {@code [index]}<a name="line.169"></a> +<span class="sourceLineNo">170</span> * </p><a name="line.170"></a> +<span class="sourceLineNo">171</span> * <pre><a name="line.171"></a> +<span class="sourceLineNo">172</span> * daemon.arg[0] = argument 1<a name="line.172"></a> +<span class="sourceLineNo">173</span> * daemon.arg[1] = argument 2<a name="line.173"></a> +<span class="sourceLineNo">174</span> * daemon.arg[2] = argument 3<a name="line.174"></a> +<span class="sourceLineNo">175</span> * </pre><a name="line.175"></a> +<span class="sourceLineNo">176</span> * @param name The name of the property array to get.<a name="line.176"></a> +<span class="sourceLineNo">177</span> *<a name="line.177"></a> +<span class="sourceLineNo">178</span> * @throws ParseException if the property is wrongly formatted.<a name="line.178"></a> +<span class="sourceLineNo">179</span> *<a name="line.179"></a> +<span class="sourceLineNo">180</span> * @return Configuration property array including any expansion/replacement<a name="line.180"></a> +<span class="sourceLineNo">181</span> */<a name="line.181"></a> +<span class="sourceLineNo">182</span> public String[] getPropertyArray(final String name)<a name="line.182"></a> +<span class="sourceLineNo">183</span> throws ParseException<a name="line.183"></a> +<span class="sourceLineNo">184</span> {<a name="line.184"></a> +<span class="sourceLineNo">185</span> final ArrayList<String> list = new ArrayList<>();<a name="line.185"></a> +<span class="sourceLineNo">186</span> String args;<a name="line.186"></a> +<span class="sourceLineNo">187</span><a name="line.187"></a> +<span class="sourceLineNo">188</span> // Load daemon.arg[0] ... daemon.arg[n] into the String array.<a name="line.188"></a> +<span class="sourceLineNo">189</span> //<a name="line.189"></a> +<span class="sourceLineNo">190</span> while ((args = getProperty(name + "[" + list.size() + "]")) != null) {<a name="line.190"></a> +<span class="sourceLineNo">191</span> list.add(args);<a name="line.191"></a> +<span class="sourceLineNo">192</span> }<a name="line.192"></a> +<span class="sourceLineNo">193</span> return list.toArray(EMPTY_STRING_ARRAY);<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><a name="line.196"></a> @@ -266,6 +264,5 @@ </pre> </div> -</main> </body> </html> \ No newline at end of file
