Examples of org.apache.commons.configuration2.EnvironmentConfiguration

Package org.apache.commons.configuration2

Examples of org.apache.commons.configuration2.EnvironmentConfiguration

org.apache.commons.configuration2.convert.DefaultListDelimiterHandler
A Configuration implementation that reads the platform specific environment variables using the map returned by {@link System#getenv()}.

This configuration implementation is read-only. It allows read access to the defined OS environment variables, but their values cannot be changed. Any attempts to add or remove a property will throw an {@link UnsupportedOperationException}

Usage of this class is easy: After an instance has been created the get methods provided by the {@code Configuration} interface can be usedfor querying environment variables, e.g.:
```
 Configuration envConfig = new EnvironmentConfiguration(); System.out.println("JAVA_HOME=" + envConfig.getString("JAVA_HOME"); 
```
@author Nicolas De Loof @version $Id: EnvironmentConfiguration.java 1624601 2014-09-12 18:04:36Z oheger $ @since 1.5

     * Tests whether environment variables can be queried.
     */
    @Test
    public void testLookup()
    {
        EnvironmentConfiguration envConf = new EnvironmentConfiguration();
        for (Iterator<String> it = envConf.getKeys(); it.hasNext();)
        {
            String var = it.next();
            assertEquals("Wrong value for " + var, envConf.getString(var),
                    lookup.lookup(var));
        }
    }

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     * @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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org.apache.commons.beanutils.DynaProperty

org.apache.commons.configuration2.AbstractConfiguration

org.apache.commons.configuration2.BaseConfiguration

org.apache.commons.configuration2.BaseHierarchicalConfiguration

org.apache.commons.configuration2.BaseHierarchicalConfiguration$BuilderVisitor

org.apache.commons.configuration2.beanutils.BeanHelper

org.apache.commons.configuration2.beanutils.ConfigurationDynaBean

org.apache.commons.configuration2.beanutils.XMLBeanDeclaration

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