Examples of java.io.File.canExecute()

java.io.File.canExecute()
Tests whether the application can execute the file denoted by this abstract pathname. @return true if and only if the abstract pathname existsand the application is allowed to execute the file @throws SecurityException If a security manager exists and its {@link java.lang.SecurityManager#checkExec(java.lang.String)} method denies execute access to the file @since 1.6

        Map<String, String> envp = new HashMap<String, String>();
        envp.put("PATH", new File(folder.getRoot(), "bin").getAbsolutePath());


        File file = ConfigurationProvider.findHadoopCommand(envp);
        assertThat(file, is(notNullValue()));
        assertThat(file.toString(), file.canExecute(), is(true));
    }


    /**
     * search for hadoop command from HADOOP_HOME.
     */

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        envp.put("HADOOP_HOME", new File(folder.getRoot(), "home").getAbsolutePath());
        envp.put("PATH", new File(folder.getRoot(), "path").getAbsolutePath());


        File file = ConfigurationProvider.findHadoopCommand(envp);
        assertThat(file, is(notNullValue()));
        assertThat(file.toString(), file.canExecute(), is(true));
        assertThat(file.toString(), file.getParentFile().getName(), is("bin"));
    }


    /**
     * search for hadoop command from PATH.

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        Map<String, String> envp = new HashMap<String, String>();
        envp.put("PATH", buf.toString());


        File file = ConfigurationProvider.findHadoopCommand(envp);
        assertThat(file, is(notNullValue()));
        assertThat(file.toString(), file.canExecute(), is(true));
        assertThat(file.toString(), file.getParentFile().getName(), is("path2"));
    }


    /**
     * search for confdir from HADOOP_CONF.

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        Configuration conf = new ConfigurationProvider(envp).newInstance();
        assertThat(isLoaded(conf), is(true));


        File file = ConfigurationProvider.findHadoopCommand(envp);
        assertThat(file, is(notNullValue()));
        assertThat(file.toString(), file.canExecute(), is(true));
        assertThat(file.toString(), file.getParentFile().getName(), is("path"));
    }


    /**
     * search for confdir auto.

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        for (String dataDir : dirs)
        {
            logger.debug("Checking directory {}", dataDir);
            File dir = new File(dataDir);
            if (dir.exists())
                assert dir.isDirectory() && dir.canRead() && dir.canWrite() && dir.canExecute()
                    : String.format("Directory %s is not accessible.", dataDir);
        }


        // Migrate sstables from pre-#2749 to the correct location
        if (Directories.sstablesNeedsMigration())

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        for (String dataDir : dirs)
        {
            logger.debug("Checking directory {}", dataDir);
            File dir = new File(dataDir);
            if (dir.exists())
                assert dir.isDirectory() && dir.canRead() && dir.canWrite() && dir.canExecute()
                    : String.format("Directory %s is not accessible.", dataDir);
        }


        // Migrate sstables from pre-#2749 to the correct location
        if (Directories.sstablesNeedsMigration())

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        for (String dataDir : dirs)
        {
            logger.debug("Checking directory {}", dataDir);
            File dir = new File(dataDir);
            if (dir.exists())
                assert dir.isDirectory() && dir.canRead() && dir.canWrite() && dir.canExecute()
                    : String.format("Directory %s is not accessible.", dataDir);
        }


        // Migrate sstables from pre-#2749 to the correct location
        if (Directories.sstablesNeedsMigration())

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     * @see org.jboss.arquillian.phantom.resolver.PhantomJSBinaryResolver#resolve(java.io.File)
     */
    @Override
    public PhantomJSBinary resolve(File destination) throws IOException {
        File realDestination = destination.isDirectory() ? new File(destination, PHANTOMJS) : destination;
        if (realDestination.exists() && realDestination.length() > 0 && realDestination.canExecute()) {
            return new PhantomJSBinary(realDestination);
        }
        return resolveFreshExtracted(realDestination);
    }

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        for (String dataDir : dirs)
        {
            logger.debug("Checking directory {}", dataDir);
            File dir = new File(dataDir);
            if (dir.exists())
                assert dir.isDirectory() && dir.canRead() && dir.canWrite() && dir.canExecute()
                    : String.format("Directory %s is not accessible.", dataDir);
        }


        // Migrate sstables from pre-#2749 to the correct location
        if (Directories.sstablesNeedsMigration())

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    public boolean isEnabled() {
        if(this.shellScript == null || this.shellScript.equals("")) {
            return false;
        } else {
            File shellFile = new File(this.shellScript);
            return shellFile.isFile() && shellFile.canExecute();
        }
    }
    
    public String getVersion() {
        if(!isEnabled()) {

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