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| <h2 title="Class ShellUtils.ShellCommandExecutor" class="title">Class ShellUtils.ShellCommandExecutor</h2> |
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| <li>org.apache.storm.utils.ShellUtils.ShellCommandExecutor</li> |
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| <pre>public static class <span class="typeNameLabel">ShellUtils.ShellCommandExecutor</span> |
| extends <a href="../../../../org/apache/storm/utils/ShellUtils.html" title="class in org.apache.storm.utils">ShellUtils</a></pre> |
| <div class="block"><p>A simple shell command executor.</p><p><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.</p></div> |
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| <td class="colOne"><code><span class="memberNameLink"><a href="../../../../org/apache/storm/utils/ShellUtils.ShellCommandExecutor.html#ShellCommandExecutor-java.lang.String:A-">ShellCommandExecutor</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>[] execString)</code> </td> |
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| <a href="https://docs.oracle.com/javase/8/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</a> dir)</code> </td> |
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| <td class="colOne"><code><span class="memberNameLink"><a href="../../../../org/apache/storm/utils/ShellUtils.ShellCommandExecutor.html#ShellCommandExecutor-java.lang.String:A-java.io.File-java.util.Map-">ShellCommandExecutor</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>[] execString, |
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| </tr> |
| <tr class="rowColor"> |
| <td class="colOne"><code><span class="memberNameLink"><a href="../../../../org/apache/storm/utils/ShellUtils.ShellCommandExecutor.html#ShellCommandExecutor-java.lang.String:A-java.io.File-java.util.Map-long-">ShellCommandExecutor</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>[] execString, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</a> dir, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>> env, |
| long timeout)</code> |
| <div class="block">Create a new instance of the ShellCommandExecutor to execute a command.</div> |
| </td> |
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| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/storm/utils/ShellUtils.ShellCommandExecutor.html#execute--">execute</a></span>()</code> |
| <div class="block">Execute the shell command.</div> |
| </td> |
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| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>[]</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/storm/utils/ShellUtils.ShellCommandExecutor.html#getExecString--">getExecString</a></span>()</code> |
| <div class="block">return an array containing the command name & its parameters.</div> |
| </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/storm/utils/ShellUtils.ShellCommandExecutor.html#getOutput--">getOutput</a></span>()</code> |
| <div class="block">Get the output of the shell command.</div> |
| </td> |
| </tr> |
| <tr id="i3" class="rowColor"> |
| <td class="colFirst"><code>protected void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/storm/utils/ShellUtils.ShellCommandExecutor.html#parseExecResult-java.io.BufferedReader-">parseExecResult</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/io/BufferedReader.html?is-external=true" title="class or interface in java.io">BufferedReader</a> lines)</code> |
| <div class="block">Parse the execution result.</div> |
| </td> |
| </tr> |
| <tr id="i4" class="altColor"> |
| <td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/storm/utils/ShellUtils.ShellCommandExecutor.html#toString--">toString</a></span>()</code> |
| <div class="block">Returns the commands of this instance.</div> |
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| <code><a href="../../../../org/apache/storm/utils/ShellUtils.html#getExitCode--">getExitCode</a>, <a href="../../../../org/apache/storm/utils/ShellUtils.html#getGroupsForUserCommand-java.lang.String-">getGroupsForUserCommand</a>, <a href="../../../../org/apache/storm/utils/ShellUtils.html#getLogHandler-java.util.Map-">getLogHandler</a>, <a href="../../../../org/apache/storm/utils/ShellUtils.html#getProcess--">getProcess</a>, <a href="../../../../org/apache/storm/utils/ShellUtils.html#isTimedOut--">isTimedOut</a>, <a href="../../../../org/apache/storm/utils/ShellUtils.html#run--">run</a>, <a href="../../../../org/apache/storm/utils/ShellUtils.html#setEnvironment-java.util.Map-">setEnvironment</a>, <a href="../../../../org/apache/storm/utils/ShellUtils.html#setWorkingDirectory-java.io.File-">setWorkingDirectory</a></code></li> |
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| <h4>ShellCommandExecutor</h4> |
| <pre>public ShellCommandExecutor(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>[] execString)</pre> |
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| <pre>public ShellCommandExecutor(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>[] execString, |
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| <pre>public ShellCommandExecutor(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>[] execString, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</a> dir, |
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| <h4>ShellCommandExecutor</h4> |
| <pre>public ShellCommandExecutor(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>[] execString, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</a> dir, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>> env, |
| long timeout)</pre> |
| <div class="block"><p>Create a new instance of the ShellCommandExecutor to execute a command.</p></div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></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> |
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| <h4>execute</h4> |
| <pre>public void execute() |
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| <div class="block"><p>Execute the shell command.</p></div> |
| <dl> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd> |
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| <h4>getExecString</h4> |
| <pre>public <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>[] getExecString()</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from class: <code><a href="../../../../org/apache/storm/utils/ShellUtils.html#getExecString--">ShellUtils</a></code></span></div> |
| <div class="block"><p>return an array containing the command name & its parameters.</p></div> |
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| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../org/apache/storm/utils/ShellUtils.html#getExecString--">getExecString</a></code> in class <code><a href="../../../../org/apache/storm/utils/ShellUtils.html" title="class in org.apache.storm.utils">ShellUtils</a></code></dd> |
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| <h4>parseExecResult</h4> |
| <pre>protected void parseExecResult(<a href="https://docs.oracle.com/javase/8/docs/api/java/io/BufferedReader.html?is-external=true" title="class or interface in java.io">BufferedReader</a> lines) |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from class: <code><a href="../../../../org/apache/storm/utils/ShellUtils.html#parseExecResult-java.io.BufferedReader-">ShellUtils</a></code></span></div> |
| <div class="block"><p>Parse the execution result.</p></div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../org/apache/storm/utils/ShellUtils.html#parseExecResult-java.io.BufferedReader-">parseExecResult</a></code> in class <code><a href="../../../../org/apache/storm/utils/ShellUtils.html" title="class in org.apache.storm.utils">ShellUtils</a></code></dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd> |
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| <h4>getOutput</h4> |
| <pre>public <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> getOutput()</pre> |
| <div class="block"><p>Get the output of the shell command.</p></div> |
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| <h4>toString</h4> |
| <pre>public <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> toString()</pre> |
| <div class="block"><p>Returns the commands of this instance. Arguments with spaces in are presented with quotes round; other arguments are presented raw</p></div> |
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| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>a string representation of the object.</dd> |
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