final File tempDirFile = (File) LaServletContextUtil.getServletContext().getAttribute(CONTEXT_TEMPDIR_KEY);
        String tempDir = tempDirFile.getAbsolutePath();
        if (tempDir == null || tempDir.length() == 0) {
            tempDir = System.getProperty(JAVA_IO_TMPDIR_KEY);
        }
        return tempDir;
    }

    // ===================================================================================

        ContentOutputStream cos = new ContentOutputStream(10, Curl.tmpDir);
        cos.write(new byte[] { 0, 1, 2, 3, 4 });
        assertFalse(cos.done);
        assertTrue(cos.isInMemory());
        cos.close();
        assertFalse(cos.done);
    }

    @Test
    public void inFile() throws IOException {
        ContentOutputStream cos = new ContentOutputStream(10, Curl.tmpDir);

     */
    public static final String OS_NAME = System.getProperty("os.name");

    /**
     * <code>java.io.tmpdir</code> システムプロパティ。例：/tmp
     */
    public static final String JAVA_IO_TMPDIR = System.getProperty("java.io.tmpdir");

    /**
     * <code>user.dir</code> システムプロパティ。
     */
    public static final String USER_DIR = System.getProperty("user.dir");

    /**

        // ## Assert ##
        assertEquals(before, after);
    }

    private long countTmpFiles() {
        return Arrays.stream(Objects.requireNonNull(Curl.tmpDir.listFiles())).map(File::getName)
                .filter(s -> s.startsWith(PREFIX) && s.endsWith(SUFFIX)).count();
    }

        File ownTmpDir = null;
        final String tmpDir = System.getProperty("java.io.tmpdir");
        if (fessConfig.isUseOwnTmpDir() && StringUtil.isNotBlank(tmpDir)) {
            ownTmpDir = new File(tmpDir, "fessTmpDir_" + sessionId);
            if (ownTmpDir.mkdirs()) {
                cmdList.add("-Djava.io.tmpdir=" + ownTmpDir.getAbsolutePath());
            } else {
                ownTmpDir = null;

    protected static final String SUFFIX = ".tmp";

    protected boolean done = false;

    public ContentOutputStream(final int threshold, final File tmpDir) {
        super(threshold, PREFIX, SUFFIX, tmpDir);
    }

    @Override
    public File getFile() {
        done = true;
        return super.getFile();
    }

    @Override
    public void close() throws IOException {

        System.out.println(SystemUtil.LINE_SEPARATOR);
        System.out.println(SystemUtil.PATH_SEPARATOR);
        System.out.println(SystemUtil.OS_NAME);
        System.out.println(SystemUtil.JAVA_IO_TMPDIR);
        System.out.println(SystemUtil.USER_DIR);
        System.out.println(SystemUtil.USER_HOME);
    }

    private static final String FESS_VAR_PATH = "fess.var.path";

    private static final String FESS_WEBAPP_PATH = "fess.webapp.path";

    private static final String JAVA_IO_TMPDIR = "java.io.tmpdir";

    private static final String TOMCAT_CONFIG_PATH = "tomcat.config.path";

    public FessBoot(final int port, final String contextPath) {
        super(port, contextPath);
    }

    @Override

        File ownTmpDir = null;
        final String tmpDir = System.getProperty("java.io.tmpdir");
        if (fessConfig.isUseOwnTmpDir() && StringUtil.isNotBlank(tmpDir)) {
            ownTmpDir = new File(tmpDir, "fessTmpDir_" + sessionId);
            if (ownTmpDir.mkdirs()) {
                cmdList.add("-Djava.io.tmpdir=" + ownTmpDir.getAbsolutePath());

        File ownTmpDir = null;
        final String tmpDir = System.getProperty("java.io.tmpdir");
        if (fessConfig.isUseOwnTmpDir() && StringUtil.isNotBlank(tmpDir)) {
            ownTmpDir = new File(tmpDir, "fessTmpDir_" + sessionId);
            if (ownTmpDir.mkdirs()) {
                cmdList.add("-Djava.io.tmpdir=" + ownTmpDir.getAbsolutePath());
            } else {
                ownTmpDir = null;