Examples of org.apache.commons.configuration2.reloading.FileHandlerReloadingDetector

Package org.apache.commons.configuration2.reloading

Examples of org.apache.commons.configuration2.reloading.FileHandlerReloadingDetector

org.apache.commons.configuration2.convert.DefaultListDelimiterHandler

A specialized implementation of {@code ReloadingDetector} which monitors afile specified by a {@link FileHandler}.

An instance of this class is passed a {@code FileHandler} at constructiontime. Each time the {@code isReloadingRequired()} method is called, it checkswhether the {@code FileHandler} points to a valid location. If this is thecase, the file's last modification time is obtained and compared with the last stored time. If it has changed, a reload operation should be performed.

Because file I/O may be expensive it is possible to configure a refresh delay as a time in milliseconds. This is the minimum interval between two checks. If the {@code isReloadingRequired()} method is called in shorter intervals,it does not perform a check, but directly returns false.

To initialize an instance either {@code isReloadingRequired()} or{@code reloadingPerformed()} can be called. The first call of{@code isReloadingRequired} does not perform a check, but obtains the initialmodification date of the monitored file. {@code reloadingPerformed()} alwaysobtains the file's modification date and stores it internally.
@version $Id: FileHandlerReloadingDetector.java 1624601 2014-09-12 18:04:36Z oheger $ @since 2.0

     * @throws ConfigurationException if an error occurs
     */
    private static void checkTestConfiguration(FileHandler handler)
            throws ConfigurationException
    {
        XMLConfiguration config = new XMLConfiguration();
        FileHandler h2 = new FileHandler(config, handler);
        h2.load();
        assertEquals("Wrong content", "value", config.getString("element"));
    }

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            throws ConfigurationException
    {
        FileBasedConfigurationBuilder<XMLConfiguration> builder =
                new FileBasedConfigurationBuilder<XMLConfiguration>(
                        XMLConfiguration.class);
        builder.configure(new Parameters().fileBased().setFile(testFile));
        config = builder.getConfiguration();


        CountDownLatch startLatch = new CountDownLatch(1);
        Collection<SubNodeAccessThread> threads =
                new ArrayList<SubNodeAccessThread>();

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     */
    @Test
    public void testGetDateNoFormatPropertyConversionHandler() throws Exception
    {
        conf.clearProperty(DataConfiguration.DATE_FORMAT_KEY);
        DefaultConversionHandler handler = new DefaultConversionHandler();
        handler.setDateFormat(DATE_PATTERN);
        conf.setConversionHandler(handler);
        assertEquals("Wrong result", expectedDate(), conf.getDate("date.string"));
    }

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        map.put("key2", "value2");
        map.put("list", "value1, value2");
        map.put("listesc", "value1\\,value2");


        MapConfiguration config = new MapConfiguration(map);
        config.setListDelimiterHandler(new DefaultListDelimiterHandler(','));
        return config;
    }

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     * from the parent.
     */
    @Test
    public void testSetListDelimiterHandler()
    {
        ListDelimiterHandler handler1 = new DefaultListDelimiterHandler('/');
        ListDelimiterHandler handler2 = new DefaultListDelimiterHandler(';');
        parent.setListDelimiterHandler(handler1);
        setUpSubnodeConfig();
        parent.setListDelimiterHandler(handler2);
        assertEquals("List delimiter handler not obtained from parent",
                handler1, config.getListDelimiterHandler());

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     */
    @Test
    public void testConfigurationAtWithUpdateInitialized()
    {
        String key = "tables.table";
        config.setListDelimiterHandler(new DefaultListDelimiterHandler(';'));
        config.setThrowExceptionOnMissing(true);
        List<HierarchicalConfiguration<ImmutableNode>> subs =
                config.configurationsAt(key, true);
        BaseHierarchicalConfiguration sub =
                (BaseHierarchicalConfiguration) subs.get(0);

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     * Tests obtaining a configuration with all variables substituted.
     */
    @Test
    public void testInterpolatedConfiguration()
    {
        config.setListDelimiterHandler(new DefaultListDelimiterHandler(','));
        BaseHierarchicalConfiguration c = (BaseHierarchicalConfiguration) InterpolationTestHelper
                .testInterpolatedConfiguration(config);


        // tests whether the hierarchical structure has been maintained
        checkContent(c);

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    @Before
    public void setUp() throws Exception
    {
        BaseConfiguration baseConfig = new BaseConfiguration();
        baseConfig.setListDelimiterHandler(new DefaultListDelimiterHandler(','));
        conf = new DataConfiguration(baseConfig);


        // empty value
        conf.addProperty("empty", "");

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     */
    @Test
    public void testEscapeListDelimiters()
    {
        PropertiesConfiguration sub = new PropertiesConfiguration();
        sub.setListDelimiterHandler(new DefaultListDelimiterHandler(','));
        sub.addProperty("test.pi", "3\\,1415");
        config.addConfiguration(sub);
        assertEquals("Wrong value", "3,1415", config.getString("test.pi"));
    }

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     */
    @Test
    public void testConversionExpressionEngine()
    {
        PropertiesConfiguration child = new PropertiesConfiguration();
        child.setListDelimiterHandler(new DefaultListDelimiterHandler(','));
        child.addProperty("test(a)", "1,2,3");
        config.addConfiguration(child);
        DefaultExpressionEngine engineQuery =
                new DefaultExpressionEngine(
                        new DefaultExpressionEngineSymbols.Builder(

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