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"> * &lt;p&gt;</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"> * &lt;/p&gt;</a>
-<span class="sourceLineNo">034</span><a id="line.34"> * &lt;p&gt;</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"> * &lt;/p&gt;</a>
-<span class="sourceLineNo">042</span><a id="line.42"> * &lt;p&gt;</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"> * &lt;/p&gt;</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>
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EMPTY_STRING_ARRAY = {};</a>
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-<span class="sourceLineNo">071</span><a id="line.71">    /**</a>
-<span class="sourceLineNo">072</span><a id="line.72">     * Default 
constructor</a>
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-<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>
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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 
&gt; 0 &amp;&amp; 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">     * &lt;p&gt;</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">     * &lt;/p&gt;</a>
-<span class="sourceLineNo">172</span><a id="line.172">     * &lt;pre&gt;</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">     * &lt;/pre&gt;</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&lt;String&gt; list = new ArrayList&lt;&gt;();</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> * &lt;p&gt;<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> * &lt;/p&gt;<a name="line.33"></a>
+<span class="sourceLineNo">034</span> * &lt;p&gt;<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> * &lt;/p&gt;<a name="line.41"></a>
+<span class="sourceLineNo">042</span> * &lt;p&gt;<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 ${foo}}.<a 
name="line.45"></a>
+<span class="sourceLineNo">046</span> * &lt;/p&gt;<a name="line.46"></a>
+<span class="sourceLineNo">047</span> */<a name="line.47"></a>
+<span class="sourceLineNo">048</span>public final class DaemonConfiguration<a 
name="line.48"></a>
+<span class="sourceLineNo">049</span>{<a name="line.49"></a>
+<span class="sourceLineNo">050</span>    /**<a name="line.50"></a>
+<span class="sourceLineNo">051</span>     * Default configuration file name.<a 
name="line.51"></a>
+<span class="sourceLineNo">052</span>     */<a name="line.52"></a>
+<span class="sourceLineNo">053</span>    protected final static String 
DEFAULT_CONFIG        = "daemon.properties";<a name="line.53"></a>
+<span class="sourceLineNo">054</span>    /**<a name="line.54"></a>
+<span class="sourceLineNo">055</span>     * Property prefix<a 
name="line.55"></a>
+<span class="sourceLineNo">056</span>     */<a name="line.56"></a>
+<span class="sourceLineNo">057</span>    protected final static String PREFIX  
              = "daemon.";<a name="line.57"></a>
+<span class="sourceLineNo">058</span>    private   final static String BTOKEN  
              = "${";<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 &gt; 0 &amp;&amp; 
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>     * &lt;p&gt;<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>     * &lt;/p&gt;<a name="line.170"></a>
+<span class="sourceLineNo">171</span>     * &lt;pre&gt;<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>     * &lt;/pre&gt;<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&lt;String&gt; 
list = new ArrayList&lt;&gt;();<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



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