Examples of org.apache.commons.configuration2.io.CombinedLocationStrategy

Package org.apache.commons.configuration2.io

Examples of org.apache.commons.configuration2.io.CombinedLocationStrategy

org.apache.commons.configuration2.sync.Synchronizer

A specialized implementation of a {@code FileLocationStrategy} whichencapsulates an arbitrary number of {@code FileLocationStrategy} objects.

A collection with the wrapped {@code FileLocationStrategy} objects is passedat construction time. During a [ {@code locate()} operation the wrappedstrategies are called one after the other until one returns a non null URL. This URL is returned. If none of the wrapped strategies is able to resolve the passed in {@link FileLocator}, result is null. This is similar to the chain of responsibility design pattern.

This class, together with the provided concrete {@code FileLocationStrategy}implementations, offers a convenient way to customize the lookup for configuration files: Just add the desired concrete strategies to a {@code CombinedLocationStrategy} object. If necessary, custom strategies canbe implemented if there are specific requirements. Note that the order in which strategies are added to a {@code CombinedLocationStrategy} matters: substrategies are queried in the same order as they appear in the collection passed to the constructor.
@version $Id: CombinedLocationStrategy.java 1624601 2014-09-12 18:04:36Z oheger $ @since 2.0

        {
            throw new ConfigurationException("Cannot resolve include file "
                    + fileName);
        }


        FileHandler fh = new FileHandler(this);
        fh.load(url);
    }

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    @Test
    public void testEquals() throws Exception
    {
        PropertiesConfiguration conf = new PropertiesConfiguration();
        FileHandler handler = new FileHandler(conf);
        handler.setFileName(testProperties);
        handler.load();


        String equals = conf.getString("test.equals");
        assertEquals("value=one", equals);
    }

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    public void testSetSystemPropertiesFromPropertiesFile()
            throws ConfigurationException, IOException
    {
        File file = folder.newFile("sys.properties");
        PropertiesConfiguration pconfig = new PropertiesConfiguration();
        FileHandler handler = new FileHandler(pconfig);
        pconfig.addProperty("fromFile", Boolean.TRUE);
        handler.setFile(file);
        handler.save();
        SystemConfiguration.setSystemProperties(handler.getBasePath(),
                handler.getFileName());
        SystemConfiguration sconf = new SystemConfiguration();
        assertTrue("Property from file not found", sconf.getBoolean("fromFile"));
    }

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        XMLConfiguration x3 = new XMLConfiguration(config);
        assertEquals("Wrong element value", "value2.2", x3.getString("key2"));
        assertEquals("Wrong attribute value", "USER2",
                x3.getString("key2[@override]"));
        StringWriter w = new StringWriter();
        new FileHandler(x3).save(w);
        String s = w.toString();
        x3 = new XMLConfiguration();
        new FileHandler(x3).load(new StringReader(s));
        assertEquals("Wrong element value after load", "value2.2",
                x3.getString("key2"));
        assertEquals("Wrong attribute value after load", "USER2",
                x3.getString("key2[@override]"));
    }

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            InterruptedException
    {
        // populate the test combined configuration
        setUpSourceTest();
        XMLConfiguration xmlConf = new XMLConfiguration();
        new FileHandler(xmlConf).load(ConfigurationAssert
                .getTestFile("test.xml"));
        config.addConfiguration(xmlConf);
        PropertiesConfiguration propConf = new PropertiesConfiguration();
        new FileHandler(propConf).load(ConfigurationAssert
                .getTestFile("test.properties"));
        for (int i = 0; i < 8; i++)
        {
            config.addConfiguration(new BaseHierarchicalConfiguration());
        }

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    public void testConfigurationChangedAfterLoading()
            throws ConfigurationException
    {
        builder.save();
        EasyMock.replay(builder);
        FileHandler handler = new FileHandler();
        listener.loading(handler);
        fireChangeEvent(false);
        listener.loaded(handler);
        fireChangeEvent(false);
        EasyMock.verify(builder);

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     * @return the URL of the include file or <b>null</b> if it cannot be
     *         resolved
     */
    private URL locateIncludeFile(String basePath, String fileName)
    {
        FileLocator includeLocator =
                FileLocatorUtils.fileLocator(locator).sourceURL(null)
                        .basePath(basePath).fileName(fileName).create();
        return FileLocatorUtils.locate(includeLocator);
    }

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            config.addConfiguration(new BaseHierarchicalConfiguration());
        }
        config.getConfiguration(0).addProperty(KEY_CONCURRENT, TEST_NAME);


        // Set a single synchronizer for all involved configurations
        Synchronizer sync = new ReadWriteSynchronizer();
        config.setSynchronizer(sync);
        for (Configuration c : config.getConfigurations())
        {
            c.setSynchronizer(sync);
        }

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     * @since 2.0
     */
    @Override
    public final Synchronizer getSynchronizer()
    {
        Synchronizer sync = synchronizer;
        return (sync != null) ? sync : NoOpSynchronizer.INSTANCE;
    }

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            config.addConfiguration(new BaseHierarchicalConfiguration());
        }
        config.getConfiguration(0).addProperty(KEY_CONCURRENT, TEST_NAME);


        // Set a single synchronizer for all involved configurations
        Synchronizer sync = new ReadWriteSynchronizer();
        config.setSynchronizer(sync);
        for (Configuration c : config.getConfigurations())
        {
            c.setSynchronizer(sync);
        }

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