List of usage examples for org.apache.commons.lang SystemUtils getJavaHome
public static File getJavaHome()
Gets the Java home directory as a File.
From source file:org.apache.cxf.maven_plugin.AbstractCodegenMoho.java
private File getJavaExecutable() throws IOException { if (javaExecutable != null) { getLog().debug("Plugin configuration set the 'javaExecutable' parameter to " + javaExecutable); } else {/*from w w w .j a va 2s. c o m*/ Toolchain tc = toolchainManager.getToolchainFromBuildContext("jdk", mavenSession); if (tc != null) { getLog().info("Using toolchain " + tc + " to find the java executable"); javaExecutable = tc.findTool("java"); } else { getLog().debug("The java executable is set to default value"); javaExecutable = SystemUtils.getJavaHome() + File.separator + "bin" + File.separator + "java"; } } String exe = SystemUtils.IS_OS_WINDOWS && !javaExecutable.endsWith(".exe") ? ".exe" : ""; File javaExe = new File(javaExecutable + exe); if (!javaExe.isFile()) { throw new IOException("The java executable '" + javaExe + "' doesn't exist or is not a file." + "Verify the <javaExecutable/> parameter or toolchain configuration."); } getLog().info("The java executable is " + javaExe.getAbsolutePath()); return javaExe; }
From source file:org.apache.maven.plugin.jar.JarSignMojo.java
private static File getJDKCommandExe(String command) { String fullCommand = command + (SystemUtils.IS_OS_WINDOWS ? ".exe" : ""); File exe;// ww w . ja v a 2 s . co m // For IBM's JDK 1.2 if (SystemUtils.IS_OS_AIX) { exe = new File(SystemUtils.getJavaHome() + "/../sh", fullCommand); } else if (SystemUtils.IS_OS_MAC_OSX) { exe = new File(SystemUtils.getJavaHome() + "/bin", fullCommand); } else { exe = new File(SystemUtils.getJavaHome() + "/../bin", fullCommand); } return exe; }
From source file:org.apache.maven.plugin.javadoc.AbstractJavadocMojo.java
/** * Get the path of the Javadoc tool executable depending the user entry or try to find it depending the OS * or the <code>java.home</code> system property or the <code>JAVA_HOME</code> environment variable. * * @return the path of the Javadoc tool//from ww w.j av a 2 s. c o m * @throws IOException if not found */ private String getJavadocExecutable() throws IOException { Toolchain tc = getToolchain(); if (tc != null) { getLog().info("Toolchain in javadoc-plugin: " + tc); if (javadocExecutable != null) { getLog().warn( "Toolchains are ignored, 'javadocExecutable' parameter is set to " + javadocExecutable); } else { javadocExecutable = tc.findTool("javadoc"); } } String javadocCommand = "javadoc" + (SystemUtils.IS_OS_WINDOWS ? ".exe" : ""); File javadocExe; // ---------------------------------------------------------------------- // The javadoc executable is defined by the user // ---------------------------------------------------------------------- if (StringUtils.isNotEmpty(javadocExecutable)) { javadocExe = new File(javadocExecutable); if (javadocExe.isDirectory()) { javadocExe = new File(javadocExe, javadocCommand); } if (SystemUtils.IS_OS_WINDOWS && javadocExe.getName().indexOf('.') < 0) { javadocExe = new File(javadocExe.getPath() + ".exe"); } if (!javadocExe.isFile()) { throw new IOException("The javadoc executable '" + javadocExe + "' doesn't exist or is not a file. Verify the <javadocExecutable/> parameter."); } return javadocExe.getAbsolutePath(); } // ---------------------------------------------------------------------- // Try to find javadocExe from System.getProperty( "java.home" ) // By default, System.getProperty( "java.home" ) = JRE_HOME and JRE_HOME // should be in the JDK_HOME // ---------------------------------------------------------------------- // For IBM's JDK 1.2 if (SystemUtils.IS_OS_AIX) { javadocExe = new File(SystemUtils.getJavaHome() + File.separator + ".." + File.separator + "sh", javadocCommand); } else if (SystemUtils.IS_OS_MAC_OSX) { javadocExe = new File(SystemUtils.getJavaHome() + File.separator + "bin", javadocCommand); } else { javadocExe = new File(SystemUtils.getJavaHome() + File.separator + ".." + File.separator + "bin", javadocCommand); } // ---------------------------------------------------------------------- // Try to find javadocExe from JAVA_HOME environment variable // ---------------------------------------------------------------------- if (!javadocExe.exists() || !javadocExe.isFile()) { Properties env = CommandLineUtils.getSystemEnvVars(); String javaHome = env.getProperty("JAVA_HOME"); if (StringUtils.isEmpty(javaHome)) { throw new IOException("The environment variable JAVA_HOME is not correctly set."); } if ((!new File(javaHome).getCanonicalFile().exists()) || (new File(javaHome).getCanonicalFile().isFile())) { throw new IOException("The environment variable JAVA_HOME=" + javaHome + " doesn't exist or is not a valid directory."); } javadocExe = new File(javaHome + File.separator + "bin", javadocCommand); } if (!javadocExe.getCanonicalFile().exists() || !javadocExe.getCanonicalFile().isFile()) { throw new IOException("The javadoc executable '" + javadocExe + "' doesn't exist or is not a file. Verify the JAVA_HOME environment variable."); } return javadocExe.getAbsolutePath(); }
From source file:org.apache.maven.plugin.javadoc.JavadocUtil.java
/** * @param log a logger could be null//from w w w . j av a2 s . c o m * @return the <code>JAVA_HOME</code> from System.getProperty( "java.home" ) * By default, <code>System.getProperty( "java.home" ) = JRE_HOME</code> and <code>JRE_HOME</code> * should be in the <code>JDK_HOME</code> * @since 2.6 */ private static File getJavaHome(Log log) { File javaHome; if (SystemUtils.IS_OS_MAC_OSX) { javaHome = SystemUtils.getJavaHome(); } else { javaHome = new File(SystemUtils.getJavaHome(), ".."); } if (javaHome == null || !javaHome.exists()) { try { javaHome = new File(CommandLineUtils.getSystemEnvVars().getProperty("JAVA_HOME")); } catch (IOException e) { if (log != null && log.isDebugEnabled()) { log.debug("IOException: " + e.getMessage()); } } } if (javaHome == null || !javaHome.exists()) { if (log != null && log.isErrorEnabled()) { log.error( "Cannot find Java application directory. Either specify \'java.home\' system property, or " + "JAVA_HOME environment variable."); } } return javaHome; }
From source file:org.apache.maven.plugin.jdeps.AbstractJDepsMojo.java
private String getJDepsExecutable() throws IOException { Toolchain tc = getToolchain();//from w ww. j a va 2 s. co m String jdepsExecutable = null; if (tc != null) { jdepsExecutable = tc.findTool("jdeps"); } String jdepsCommand = "jdeps" + (SystemUtils.IS_OS_WINDOWS ? ".exe" : ""); File jdepsExe; if (StringUtils.isNotEmpty(jdepsExecutable)) { jdepsExe = new File(jdepsExecutable); if (jdepsExe.isDirectory()) { jdepsExe = new File(jdepsExe, jdepsCommand); } if (SystemUtils.IS_OS_WINDOWS && jdepsExe.getName().indexOf('.') < 0) { jdepsExe = new File(jdepsExe.getPath() + ".exe"); } if (!jdepsExe.isFile()) { throw new IOException("The jdeps executable '" + jdepsExe + "' doesn't exist or is not a file."); } return jdepsExe.getAbsolutePath(); } // ---------------------------------------------------------------------- // Try to find jdepsExe from System.getProperty( "java.home" ) // By default, System.getProperty( "java.home" ) = JRE_HOME and JRE_HOME // should be in the JDK_HOME // ---------------------------------------------------------------------- // For IBM's JDK 1.2 if (SystemUtils.IS_OS_AIX) { jdepsExe = new File(SystemUtils.getJavaHome() + File.separator + ".." + File.separator + "sh", jdepsCommand); } // For Apple's JDK 1.6.x (and older?) on Mac OSX // CHECKSTYLE_OFF: MagicNumber else if (SystemUtils.IS_OS_MAC_OSX && SystemUtils.JAVA_VERSION_FLOAT < 1.7f) // CHECKSTYLE_ON: MagicNumber { jdepsExe = new File(SystemUtils.getJavaHome() + File.separator + "bin", jdepsCommand); } else { jdepsExe = new File(SystemUtils.getJavaHome() + File.separator + ".." + File.separator + "bin", jdepsCommand); } // ---------------------------------------------------------------------- // Try to find jdepsExe from JAVA_HOME environment variable // ---------------------------------------------------------------------- if (!jdepsExe.exists() || !jdepsExe.isFile()) { Properties env = CommandLineUtils.getSystemEnvVars(); String javaHome = env.getProperty("JAVA_HOME"); if (StringUtils.isEmpty(javaHome)) { throw new IOException("The environment variable JAVA_HOME is not correctly set."); } if ((!new File(javaHome).getCanonicalFile().exists()) || (new File(javaHome).getCanonicalFile().isFile())) { throw new IOException("The environment variable JAVA_HOME=" + javaHome + " doesn't exist or is not a valid directory."); } jdepsExe = new File(javaHome + File.separator + "bin", jdepsCommand); } if (!jdepsExe.getCanonicalFile().exists() || !jdepsExe.getCanonicalFile().isFile()) { throw new IOException("The jdeps executable '" + jdepsExe + "' doesn't exist or is not a file. Verify the JAVA_HOME environment variable."); } return jdepsExe.getAbsolutePath(); }
From source file:org.apache.maven.plugin.jdiff.JavadocBean.java
private String getJavadocPath() { final String javadocCommand = "javadoc" + (SystemUtils.IS_OS_WINDOWS ? ".exe" : ""); // For IBM's JDK 1.2 final File javadocExe = (SystemUtils.IS_OS_AIX ? new File(SystemUtils.getJavaHome() + "/../sh", javadocCommand) : new File(SystemUtils.getJavaHome() + "/../bin", javadocCommand)); //return javadocExe.getAbsolutePath(); return "javadoc"; }
From source file:org.apache.maven.plugins.linkcheck.SiteInvoker.java
/** * @return the <code>JAVA_HOME</code> from System.getProperty( "java.home" ) * By default, <code>System.getProperty( "java.home" ) = JRE_HOME</code> and <code>JRE_HOME</code> * should be in the <code>JDK_HOME</code> or null if not setted. * @see #invoke(Invoker, InvocationRequest, File, List, Properties, String) *//* w w w . j av a 2 s . c om*/ private File getJavaHome() { File javaHome; if (SystemUtils.IS_OS_MAC_OSX) { javaHome = SystemUtils.getJavaHome(); } else { javaHome = new File(SystemUtils.getJavaHome(), ".."); } if (javaHome == null || !javaHome.exists()) { try { javaHome = new File(CommandLineUtils.getSystemEnvVars().getProperty("JAVA_HOME")); } catch (IOException e) { getLog().error("IOException: " + e.getMessage()); getLog().debug(e); } } if (javaHome == null || !javaHome.exists()) { getLog().error("Cannot find Java application directory. Either specify \'java.home\' " + "system property, or JAVA_HOME environment variable."); } return javaHome; }
From source file:org.codehaus.mojo.cobertura.integration.shell.PlainJvmCommandLine.java
/** * Default implementation of the CommandLine assigns the classpath as an * environment variable (i.e. {@code CLASSPATH}) to reduce the CommandLine * length, thereby catering for Windows shells and their problems with * long command lines .../* w ww.j a v a2 s . c om*/ * <p/> * {@inheritDoc} */ public Commandline validateStateAndRetrieveCommandLine() throws IllegalStateException { // Check sanity if (mainClass == null || mainClass.trim().equals("")) { throw new IllegalStateException( "Invalid null or empty MainClass. " + "(Must be set before retrieving a Commandline)."); } // Use Plexus Utils to generate a CommandLine which can be executed as a separate Java process. final Commandline cl = new Commandline(); final File java = new File(SystemUtils.getJavaHome(), "bin/java"); cl.setExecutable(java.getAbsolutePath()); cl.addEnvironment("CLASSPATH", synthesizeClasspath()); // Add all options to the CommandLine for (String current : options) { createArgWithValue(cl, current); } createArgWithValue(cl, mainClass); // Add all other arguments if (useCommandFile) { try { final File commandsFile = createCommandsFile(); // Add the commandsfile argument, which is on the form // // --commandsfile [path to file] // createArgWithValue(cl, "--commandsfile"); createArgWithValue(cl, commandsFile.getAbsolutePath()); } catch (IOException e) { e.printStackTrace(); } } else { // Simply add the arguments in order for (String arg : arguments) { createArgWithValue(cl, arg); } } // All done. return cl; }
From source file:org.codehaus.mojo.cobertura.tasks.AbstractTask.java
protected int executeJava() throws MojoExecutionException { Commandline cl = new Commandline(); File java = new File(SystemUtils.getJavaHome(), "bin/java"); cl.setExecutable(java.getAbsolutePath()); cl.createArg().setValue("-cp"); cl.createArg().setValue(createClasspath()); String log4jConfig = getLog4jConfigFile(); if (log4jConfig != null) { cl.createArg().setValue("-Dlog4j.configuration=" + log4jConfig); }/*from w w w. ja va 2 s . c o m*/ cl.createArg().setValue("-Xmx" + maxmem); cl.createArg().setValue(taskClass); if (cmdLineArgs.useCommandsFile()) { cl.createArg().setValue("--commandsfile"); try { String commandsFile = cmdLineArgs.getCommandsFile(); cl.createArg().setValue(commandsFile); FileUtils.copyFile(new File(commandsFile), new File(commandsFile + ".bak")); } catch (IOException e) { throw new MojoExecutionException("Unable to obtain CommandsFile location.", e); } } else { Iterator it = cmdLineArgs.iterator(); while (it.hasNext()) { cl.createArg().setValue(it.next().toString()); } } CommandLineUtils.StringStreamConsumer stdout = new CommandLineUtils.StringStreamConsumer(); CommandLineUtils.StringStreamConsumer stderr = new CommandLineUtils.StringStreamConsumer(); if (quiet) { CommandLineUtils.StringStreamConsumer nullConsumer = new CommandLineUtils.StringStreamConsumer() { public void consumeLine(String line) { // swallow } }; stdout = nullConsumer; stderr = nullConsumer; } getLog().debug("Working Directory: " + cl.getWorkingDirectory()); getLog().debug("Executing command line:"); getLog().debug(cl.toString()); int exitCode; try { exitCode = CommandLineUtils.executeCommandLine(cl, stdout, stderr); } catch (CommandLineException e) { throw new MojoExecutionException("Unable to execute Cobertura.", e); } getLog().debug("exit code: " + exitCode); String output = stdout.getOutput(); if (output.trim().length() > 0) { getLog().debug("--------------------"); getLog().debug(" Standard output from the Cobertura task:"); getLog().debug("--------------------"); getLog().info(output); getLog().debug("--------------------"); } String stream = stderr.getOutput(); if (stream.trim().length() > 0) { getLog().debug("--------------------"); getLog().debug(" Standard error from the Cobertura task:"); getLog().debug("--------------------"); getLog().error(stderr.getOutput()); getLog().debug("--------------------"); } return exitCode; }
From source file:org.codehaus.mojo.keytool.GenkeyMojo.java
private static File getJDKCommandExe(String command) { String fullCommand = command + (SystemUtils.IS_OS_WINDOWS ? ".exe" : ""); File exe;//ww w .j a v a 2 s . c om // For IBM's JDK 1.2 if (SystemUtils.IS_OS_AIX) { exe = new File(SystemUtils.getJavaHome() + "/../sh", fullCommand); } else if (SystemUtils.IS_OS_MAC_OSX) // what about IS_OS_MAC_OS ?? { exe = new File(SystemUtils.getJavaHome() + "/bin", fullCommand); } else { exe = new File(SystemUtils.getJavaHome() + "/../bin", fullCommand); } return exe; }