Examples of org.apache.commons.configuration2.convert.ConversionHandler

Package org.apache.commons.configuration2.convert

Examples of org.apache.commons.configuration2.convert.ConversionHandler

org.apache.commons.configuration2.convert.DefaultListDelimiterHandler
An interface defining the possible data type conversions supported by the configuration framework.

This interface defines a couple of methods related to different kinds of data type conversion:
- Conversion to an object of a specific type
- Conversion to an array of a specific type
- Conversion to a collection of a specific type
Data type conversion is related to variable substitution (aka interpolation). Before a value can be converted to a target type substitution has to be performed first, and the conversion is done on the resulting value. In order to support this, the conversion methods expect a {@link ConfigurationInterpolator} object; {@code Configuration}implementations here pass in their associated instance.

A {@code Configuration} object is associated with a concrete{@code ConversionHandler} implementation. Whenever a data type conversion isrequired it delegates to this handler. By providing a custom {@code ConversionHandler} object, the type conversion performed by theconfiguration object can be adapted.
@version $Id: ConversionHandler.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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     * Tests whether a ConversionHandler can be set.
     */
    @Test
    public void testSetConversionHandler()
    {
        ConversionHandler handler =
                EasyMock.createMock(ConversionHandler.class);
        EasyMock.replay(handler);
        assertSame("Wrong result", params, params.setConversionHandler(handler));
        assertSame("ConversionHandler not set", handler, params.getParameters()
                .get("conversionHandler"));

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     *
     * @return the original conversion handler or <b>null</b>
     */
    private DefaultConversionHandler getOriginalConversionHandler()
    {
        ConversionHandler handler = super.getConversionHandler();
        return (DefaultConversionHandler) ((handler instanceof DefaultConversionHandler) ? handler
                : null);
    }

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     * constructor.
     */
    @Test
    public void testInitWithConversionHandler()
    {
        ConversionHandler handler =
                EasyMock.createMock(ConversionHandler.class);
        EasyMock.replay(handler);
        factory = new DefaultBeanFactory(handler);
        assertSame("Wrong conversion handler", handler,
                factory.getConversionHandler());

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     */
    @Test
    public void testSetDefaultConversionHandler()
    {
        PropertiesConfiguration config = new PropertiesConfiguration();
        ConversionHandler handler = new DefaultConversionHandler();
        config.setConversionHandler(handler);
        assertSame("Handler not set", handler, config.getConversionHandler());
    }

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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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