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<div class="sub-title"><span class="package-label-in-type">Package</span>&nbsp;<a href="package-summary.html">org.apache.storm.utils</a></div>
<h1 title="Class ShellUtils.ShellCommandExecutor" class="title">Class ShellUtils.ShellCommandExecutor</h1>
</div>
<div class="inheritance" title="Inheritance Tree"><a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">java.lang.Object</a>
<div class="inheritance"><a href="ShellUtils.html" title="class in org.apache.storm.utils">org.apache.storm.utils.ShellUtils</a>
<div class="inheritance">org.apache.storm.utils.ShellUtils.ShellCommandExecutor</div>
</div>
</div>
<section class="class-description" id="class-description">
<dl class="notes">
<dt>Enclosing class:</dt>
<dd><a href="ShellUtils.html" title="class in org.apache.storm.utils">ShellUtils</a></dd>
</dl>
<hr>
<div class="type-signature"><span class="modifiers">public static class </span><span class="element-name type-name-label">ShellUtils.ShellCommandExecutor</span>
<span class="extends-implements">extends <a href="ShellUtils.html" title="class in org.apache.storm.utils">ShellUtils</a></span></div>
<div class="block">A simple shell command executor.
<code>ShellCommandExecutor</code>should be used in cases where the output
of the command needs no explicit parsing and where the command, working directory and the environment remains unchanged. The output
of the command is stored as-is and is expected to be small.</div>
</section>
<section class="summary">
<ul class="summary-list">
<!-- ======== NESTED CLASS SUMMARY ======== -->
<li>
<section class="nested-class-summary" id="nested-class-summary">
<h2>Nested Class Summary</h2>
<div class="inherited-list">
<h2 id="nested-classes-inherited-from-class-org.apache.storm.utils.ShellUtils">Nested classes/interfaces inherited from class&nbsp;org.apache.storm.utils.<a href="ShellUtils.html" title="class in org.apache.storm.utils">ShellUtils</a></h2>
<code><a href="ShellUtils.ExitCodeException.html" title="class in org.apache.storm.utils">ShellUtils.ExitCodeException</a>, <a href="ShellUtils.OSType.html" title="enum in org.apache.storm.utils">ShellUtils.OSType</a>, <a href="ShellUtils.ShellCommandExecutor.html" title="class in org.apache.storm.utils">ShellUtils.ShellCommandExecutor</a></code></div>
</section>
</li>
<!-- =========== FIELD SUMMARY =========== -->
<li>
<section class="field-summary" id="field-summary">
<h2>Field Summary</h2>
<div class="inherited-list">
<h3 id="fields-inherited-from-class-org.apache.storm.utils.ShellUtils">Fields inherited from class&nbsp;org.apache.storm.utils.<a href="ShellUtils.html" title="class in org.apache.storm.utils">ShellUtils</a></h3>
<code><a href="ShellUtils.html#FREEBSD">FREEBSD</a>, <a href="ShellUtils.html#LINUX">LINUX</a>, <a href="ShellUtils.html#LOG">LOG</a>, <a href="ShellUtils.html#MAC">MAC</a>, <a href="ShellUtils.html#numShellExceptions">numShellExceptions</a>, <a href="ShellUtils.html#osType">osType</a>, <a href="ShellUtils.html#OTHER">OTHER</a>, <a href="ShellUtils.html#SOLARIS">SOLARIS</a>, <a href="ShellUtils.html#timeOutInterval">timeOutInterval</a>, <a href="ShellUtils.html#TOKEN_SEPARATOR_REGEX">TOKEN_SEPARATOR_REGEX</a>, <a href="ShellUtils.html#WINDOWS">WINDOWS</a></code></div>
</section>
</li>
<!-- ======== CONSTRUCTOR SUMMARY ======== -->
<li>
<section class="constructor-summary" id="constructor-summary">
<h2>Constructor Summary</h2>
<div class="caption"><span>Constructors</span></div>
<div class="summary-table two-column-summary">
<div class="table-header col-first">Constructor</div>
<div class="table-header col-last">Description</div>
<div class="col-constructor-name even-row-color"><code><a href="#%3Cinit%3E(java.lang.String%5B%5D)" class="member-name-link">ShellCommandExecutor</a><wbr>(<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>[]&nbsp;execString)</code></div>
<div class="col-last even-row-color">&nbsp;</div>
<div class="col-constructor-name odd-row-color"><code><a href="#%3Cinit%3E(java.lang.String%5B%5D,java.io.File)" class="member-name-link">ShellCommandExecutor</a><wbr>(<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>[]&nbsp;execString,
<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/io/File.html" title="class or interface in java.io" class="external-link">File</a>&nbsp;dir)</code></div>
<div class="col-last odd-row-color">&nbsp;</div>
<div class="col-constructor-name even-row-color"><code><a href="#%3Cinit%3E(java.lang.String%5B%5D,java.io.File,java.util.Map)" class="member-name-link">ShellCommandExecutor</a><wbr>(<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>[]&nbsp;execString,
<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/io/File.html" title="class or interface in java.io" class="external-link">File</a>&nbsp;dir,
<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/util/Map.html" title="class or interface in java.util" class="external-link">Map</a>&lt;<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>,<wbr><a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&gt;&nbsp;env)</code></div>
<div class="col-last even-row-color">&nbsp;</div>
<div class="col-constructor-name odd-row-color"><code><a href="#%3Cinit%3E(java.lang.String%5B%5D,java.io.File,java.util.Map,long)" class="member-name-link">ShellCommandExecutor</a><wbr>(<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>[]&nbsp;execString,
<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/io/File.html" title="class or interface in java.io" class="external-link">File</a>&nbsp;dir,
<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/util/Map.html" title="class or interface in java.util" class="external-link">Map</a>&lt;<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>,<wbr><a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&gt;&nbsp;env,
long&nbsp;timeout)</code></div>
<div class="col-last odd-row-color">
<div class="block">Create a new instance of the ShellCommandExecutor to execute a command.</div>
</div>
</div>
</section>
</li>
<!-- ========== METHOD SUMMARY =========== -->
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<h2>Method Summary</h2>
<div id="method-summary-table">
<div class="table-tabs" role="tablist" aria-orientation="horizontal"><button id="method-summary-table-tab0" role="tab" aria-selected="true" aria-controls="method-summary-table.tabpanel" tabindex="0" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table', 3)" class="active-table-tab">All Methods</button><button id="method-summary-table-tab2" role="tab" aria-selected="false" aria-controls="method-summary-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table-tab2', 3)" class="table-tab">Instance Methods</button><button id="method-summary-table-tab4" role="tab" aria-selected="false" aria-controls="method-summary-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table-tab4', 3)" class="table-tab">Concrete Methods</button></div>
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<div class="summary-table three-column-summary" aria-labelledby="method-summary-table-tab0">
<div class="table-header col-first">Modifier and Type</div>
<div class="table-header col-second">Method</div>
<div class="table-header col-last">Description</div>
<div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>void</code></div>
<div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#execute()" class="member-name-link">execute</a>()</code></div>
<div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
<div class="block">Execute the shell command.</div>
</div>
<div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>[]</code></div>
<div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#getExecString()" class="member-name-link">getExecString</a>()</code></div>
<div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
<div class="block">return an array containing the command name &amp; its parameters.</div>
</div>
<div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a></code></div>
<div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#getOutput()" class="member-name-link">getOutput</a>()</code></div>
<div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
<div class="block">Get the output of the shell command.</div>
</div>
<div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>protected void</code></div>
<div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#parseExecResult(java.io.BufferedReader)" class="member-name-link">parseExecResult</a><wbr>(<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/io/BufferedReader.html" title="class or interface in java.io" class="external-link">BufferedReader</a>&nbsp;lines)</code></div>
<div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
<div class="block">Parse the execution result.</div>
</div>
<div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a></code></div>
<div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#toString()" class="member-name-link">toString</a>()</code></div>
<div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
<div class="block">Returns the commands of this instance.</div>
</div>
</div>
</div>
</div>
<div class="inherited-list">
<h3 id="methods-inherited-from-class-org.apache.storm.utils.ShellUtils">Methods inherited from class&nbsp;org.apache.storm.utils.<a href="ShellUtils.html" title="class in org.apache.storm.utils">ShellUtils</a></h3>
<code><a href="ShellUtils.html#getExitCode()">getExitCode</a>, <a href="ShellUtils.html#getGroupsForUserCommand(java.lang.String)">getGroupsForUserCommand</a>, <a href="ShellUtils.html#getLogHandler(java.util.Map)">getLogHandler</a>, <a href="ShellUtils.html#getProcess()">getProcess</a>, <a href="ShellUtils.html#isTimedOut()">isTimedOut</a>, <a href="ShellUtils.html#run()">run</a>, <a href="ShellUtils.html#setEnvironment(java.util.Map)">setEnvironment</a>, <a href="ShellUtils.html#setWorkingDirectory(java.io.File)">setWorkingDirectory</a></code></div>
<div class="inherited-list">
<h3 id="methods-inherited-from-class-java.lang.Object">Methods inherited from class&nbsp;java.lang.<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">Object</a></h3>
<code><a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html#clone()" title="class or interface in java.lang" class="external-link">clone</a>, <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html#equals(java.lang.Object)" title="class or interface in java.lang" class="external-link">equals</a>, <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html#finalize()" title="class or interface in java.lang" class="external-link">finalize</a>, <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html#getClass()" title="class or interface in java.lang" class="external-link">getClass</a>, <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html#hashCode()" title="class or interface in java.lang" class="external-link">hashCode</a>, <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html#notify()" title="class or interface in java.lang" class="external-link">notify</a>, <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html#notifyAll()" title="class or interface in java.lang" class="external-link">notifyAll</a>, <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html#wait()" title="class or interface in java.lang" class="external-link">wait</a>, <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html#wait(long)" title="class or interface in java.lang" class="external-link">wait</a>, <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html#wait(long,int)" title="class or interface in java.lang" class="external-link">wait</a></code></div>
</section>
</li>
</ul>
</section>
<section class="details">
<ul class="details-list">
<!-- ========= CONSTRUCTOR DETAIL ======== -->
<li>
<section class="constructor-details" id="constructor-detail">
<h2>Constructor Details</h2>
<ul class="member-list">
<li>
<section class="detail" id="&lt;init&gt;(java.lang.String[])">
<h3>ShellCommandExecutor</h3>
<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="element-name">ShellCommandExecutor</span><wbr><span class="parameters">(<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>[]&nbsp;execString)</span></div>
</section>
</li>
<li>
<section class="detail" id="&lt;init&gt;(java.lang.String[],java.io.File)">
<h3>ShellCommandExecutor</h3>
<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="element-name">ShellCommandExecutor</span><wbr><span class="parameters">(<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>[]&nbsp;execString,
<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/io/File.html" title="class or interface in java.io" class="external-link">File</a>&nbsp;dir)</span></div>
</section>
</li>
<li>
<section class="detail" id="&lt;init&gt;(java.lang.String[],java.io.File,java.util.Map)">
<h3>ShellCommandExecutor</h3>
<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="element-name">ShellCommandExecutor</span><wbr><span class="parameters">(<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>[]&nbsp;execString,
<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/io/File.html" title="class or interface in java.io" class="external-link">File</a>&nbsp;dir,
<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/util/Map.html" title="class or interface in java.util" class="external-link">Map</a>&lt;<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>,<wbr><a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&gt;&nbsp;env)</span></div>
</section>
</li>
<li>
<section class="detail" id="&lt;init&gt;(java.lang.String[],java.io.File,java.util.Map,long)">
<h3>ShellCommandExecutor</h3>
<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="element-name">ShellCommandExecutor</span><wbr><span class="parameters">(<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>[]&nbsp;execString,
<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/io/File.html" title="class or interface in java.io" class="external-link">File</a>&nbsp;dir,
<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/util/Map.html" title="class or interface in java.util" class="external-link">Map</a>&lt;<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>,<wbr><a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&gt;&nbsp;env,
long&nbsp;timeout)</span></div>
<div class="block">Create a new instance of the ShellCommandExecutor to execute a command.</div>
<dl class="notes">
<dt>Parameters:</dt>
<dd><code>execString</code> - The command to execute with arguments</dd>
<dd><code>dir</code> - If not-null, specifies the directory which should be set as the current working directory for the command. If
null, the current working directory is not modified.</dd>
<dd><code>env</code> - If not-null, environment of the command will include the key-value pairs specified in the map. If null, the
current environment is not modified.</dd>
<dd><code>timeout</code> - Specifies the time in milliseconds, after which the command will be killed and the status marked as timedout.
If 0, the command will not be timed out.</dd>
</dl>
</section>
</li>
</ul>
</section>
</li>
<!-- ============ METHOD DETAIL ========== -->
<li>
<section class="method-details" id="method-detail">
<h2>Method Details</h2>
<ul class="member-list">
<li>
<section class="detail" id="execute()">
<h3>execute</h3>
<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">void</span>&nbsp;<span class="element-name">execute</span>()
throws <span class="exceptions"><a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/io/IOException.html" title="class or interface in java.io" class="external-link">IOException</a></span></div>
<div class="block">Execute the shell command.</div>
<dl class="notes">
<dt>Throws:</dt>
<dd><code><a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/io/IOException.html" title="class or interface in java.io" class="external-link">IOException</a></code></dd>
</dl>
</section>
</li>
<li>
<section class="detail" id="getExecString()">
<h3>getExecString</h3>
<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type"><a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>[]</span>&nbsp;<span class="element-name">getExecString</span>()</div>
<div class="block"><span class="descfrm-type-label">Description copied from class:&nbsp;<code><a href="ShellUtils.html#getExecString()">ShellUtils</a></code></span></div>
<div class="block">return an array containing the command name &amp; its parameters.</div>
<dl class="notes">
<dt>Specified by:</dt>
<dd><code><a href="ShellUtils.html#getExecString()">getExecString</a></code>&nbsp;in class&nbsp;<code><a href="ShellUtils.html" title="class in org.apache.storm.utils">ShellUtils</a></code></dd>
</dl>
</section>
</li>
<li>
<section class="detail" id="parseExecResult(java.io.BufferedReader)">
<h3>parseExecResult</h3>
<div class="member-signature"><span class="modifiers">protected</span>&nbsp;<span class="return-type">void</span>&nbsp;<span class="element-name">parseExecResult</span><wbr><span class="parameters">(<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/io/BufferedReader.html" title="class or interface in java.io" class="external-link">BufferedReader</a>&nbsp;lines)</span>
throws <span class="exceptions"><a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/io/IOException.html" title="class or interface in java.io" class="external-link">IOException</a></span></div>
<div class="block"><span class="descfrm-type-label">Description copied from class:&nbsp;<code><a href="ShellUtils.html#parseExecResult(java.io.BufferedReader)">ShellUtils</a></code></span></div>
<div class="block">Parse the execution result.</div>
<dl class="notes">
<dt>Specified by:</dt>
<dd><code><a href="ShellUtils.html#parseExecResult(java.io.BufferedReader)">parseExecResult</a></code>&nbsp;in class&nbsp;<code><a href="ShellUtils.html" title="class in org.apache.storm.utils">ShellUtils</a></code></dd>
<dt>Throws:</dt>
<dd><code><a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/io/IOException.html" title="class or interface in java.io" class="external-link">IOException</a></code></dd>
</dl>
</section>
</li>
<li>
<section class="detail" id="getOutput()">
<h3>getOutput</h3>
<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type"><a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a></span>&nbsp;<span class="element-name">getOutput</span>()</div>
<div class="block">Get the output of the shell command.</div>
</section>
</li>
<li>
<section class="detail" id="toString()">
<h3>toString</h3>
<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type"><a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a></span>&nbsp;<span class="element-name">toString</span>()</div>
<div class="block">Returns the commands of this instance. Arguments with spaces in are presented with quotes round; other arguments are presented
raw</div>
<dl class="notes">
<dt>Overrides:</dt>
<dd><code><a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html#toString()" title="class or interface in java.lang" class="external-link">toString</a></code>&nbsp;in class&nbsp;<code><a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">Object</a></code></dd>
<dt>Returns:</dt>
<dd>a string representation of the object.</dd>
</dl>
</section>
</li>
</ul>
</section>
</li>
</ul>
</section>
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