New project for the system command execution command in gclc
Signed-off-by: Emmanuel Bigeon <emmanuel@bigeon.fr>
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gclc.system/.gitignore
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gclc.system/.gitignore
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/target/
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/.classpath
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/.project
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/.settings/
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41
gclc.system/pom.xml
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gclc.system/pom.xml
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<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
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<modelVersion>4.0.0</modelVersion>
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<groupId>net.bigeon</groupId>
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<artifactId>gclc.system</artifactId>
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<version>0.0.1-SNAPSHOT</version>
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<packaging>jar</packaging>
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<url>http://www.bigeon.net</url>
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<properties>
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<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
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</properties>
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<build>
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<plugins>
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</plugins>
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</build>
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<dependencies>
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<dependency>
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<groupId>junit</groupId>
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<artifactId>junit</artifactId>
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<version>4.11</version>
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<scope>test</scope>
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</dependency>
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<dependency>
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<groupId>fr.bigeon</groupId>
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<artifactId>gclc</artifactId>
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<version>1.2.5</version>
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</dependency>
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</dependencies>
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<name>GCLC system command</name>
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<description>Provide an exec command to execute system commands</description>
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<inceptionYear>2016</inceptionYear>
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<scm>
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<developerConnection>scm:git:gogs@git.code.bigeon.net:emmanuel/gclc.git</developerConnection>
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<tag>HEAD</tag>
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</scm>
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<parent>
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<groupId>fr.bigeon</groupId>
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<artifactId>ebigeon-config</artifactId>
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<version>1.7.0</version>
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</parent>
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</project>
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/**
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* gclc.system:net.bigeon.gclc.system.ExecSystemCommand.java
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* Created on: Jun 20, 2016
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*/
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package net.bigeon.gclc.system;
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import java.io.BufferedWriter;
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import java.io.IOException;
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import java.io.InputStream;
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import java.io.OutputStream;
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import java.io.OutputStreamWriter;
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import java.util.logging.Level;
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import java.util.logging.Logger;
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import fr.bigeon.gclc.command.Command;
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import fr.bigeon.gclc.exception.CommandRunException;
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import fr.bigeon.gclc.exception.CommandRunExceptionType;
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import fr.bigeon.gclc.manager.ConsoleManager;
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/** <p>
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* TODO
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*
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* @author Emmanuel Bigeon */
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public class ExecSystemCommand extends Command {
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private static final String EOL = System.lineSeparator();
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/** The class logger */
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private static final Logger LOGGER = Logger
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.getLogger(ExecSystemCommand.class.getName());
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private final ConsoleManager manager;
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/** @param name
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* @param manager */
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public ExecSystemCommand(String name, ConsoleManager manager) {
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super(name);
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this.manager = manager;
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}
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/** @param name
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* @param manager */
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public ExecSystemCommand(ConsoleManager manager) {
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super("exec");
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this.manager = manager;
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}
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/* (non-Javadoc)
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* @see fr.bigeon.gclc.command.ICommand#execute(java.lang.String[]) */
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@Override
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public void execute(String... args) throws CommandRunException {
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Process proc;
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try {
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proc = Runtime.getRuntime().exec(args);
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} catch (IOException e2) {
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LOGGER.log(Level.SEVERE, "Unable to run process", e2);
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return;
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}
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final InputStream is = proc.getInputStream();
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Thread th = new Thread(new Runnable() {
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@Override
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public void run() {
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try {
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readToEnd(is);
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} catch (CommandRunException e) {
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LOGGER.log(Level.WARNING,
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"Manager was closed in the meantime...", e);
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}
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}
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});
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th.start();
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manager.setPrompt("");
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final OutputStream os = proc.getOutputStream();
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try (BufferedWriter writer = new BufferedWriter(
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new OutputStreamWriter(os))) {
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while (th.isAlive()) {
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String user;
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try {
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user = manager.prompt();
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} catch (IOException e) {
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throw new CommandRunException(
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CommandRunExceptionType.INTERACTION,
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"manager was closed", e, this);
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}
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writer.write(user + EOL);
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}
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} catch (IOException e1) {
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// TODO Auto-generated catch block
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e1.printStackTrace();
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}
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}
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/** @param is the input stream
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* @throws CommandRunException */
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protected void readToEnd(InputStream is) throws CommandRunException {
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int c;
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try {
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while ((c = is.read()) != -1) {
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try {
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manager.print(Character.valueOf((char) c).toString());
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} catch (IOException e) {
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throw new CommandRunException(
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CommandRunExceptionType.INTERACTION,
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"manager was closed", e, this);
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}
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}
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} catch (IOException e) {
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LOGGER.log(Level.INFO, "input stream reading failed", e);
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}
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}
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/* (non-Javadoc)
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* @see fr.bigeon.gclc.command.Command#usageDetail() */
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@Override
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protected String usageDetail() {
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return " The system command is a system dependend command like sh on linux or" +
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System.lineSeparator() + "powershell on windows." +
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System.lineSeparator() + System.lineSeparator() +
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" As an example if you give \"cat /etc/hostname\" as argument, on a linux" +
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System.lineSeparator() +
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"system, you would get the computer name." +
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System.lineSeparator();
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}
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/* (non-Javadoc)
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* @see fr.bigeon.gclc.command.Command#usagePattern() */
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@Override
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protected String usagePattern() {
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return " CMD <system command>";
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}
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/* (non-Javadoc)
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* @see fr.bigeon.gclc.command.ICommand#tip() */
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@Override
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public String tip() {
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return "Execute a system command";
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}
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}
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@ -0,0 +1,38 @@
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package net.bigeon.gclc.system;
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import junit.framework.Test;
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import junit.framework.TestCase;
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import junit.framework.TestSuite;
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/**
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* Unit test for simple App.
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*/
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public class AppTest
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extends TestCase
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{
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/**
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* Create the test case
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*
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* @param testName name of the test case
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*/
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public AppTest( String testName )
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{
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super( testName );
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}
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/**
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* @return the suite of tests being tested
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*/
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public static Test suite()
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{
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return new TestSuite( AppTest.class );
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}
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/**
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* Rigourous Test :-)
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*/
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public void testApp()
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{
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assertTrue( true );
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}
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}
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